Exception 0xc7 0xcccccccc 0xcccccccc 0x0
PC=0x0

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x465d7a]

runtime stack:
runtime.throw({0x7f14e7, 0x2a})
	C:/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x328ffbdc sp=0x328ffbc8 pc=0x44047d
runtime.sigpanic()
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x46631f]

runtime stack:
runtime.throw({0x7f14e7, 0x2a})
	C:/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x328ff824 sp=0x328ff810 pc=0x44047d
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:250 +0x23b fp=0x328ff848 sp=0x328ff824 pc=0x455fab
runtime.gentraceback(0xffffffff, 0xffffffff, 0x0, 0x142ca4b0, 0x0, 0x0, 0x64, 0x0, 0x0, 0x0)
...
	C:/workdir/go/src/runtime/traceback.go:846 +0x1a2 fp=0x328ffef0 sp=0x328ffe10 pc=0x468562
runtime.tracebacktrap(0x0, 0x0, 0x0, 0x142ca4b0)
	C:/workdir/go/src/runtime/traceback.go:810 +0x7e fp=0x328fff08 sp=0x328ffef0 pc=0x4683ae
runtime.winthrow(0x750df4, 0x12860ad0, 0x142ca4b0)
	C:/workdir/go/src/runtime/signal_windows.go:235 +0x202 fp=0x328fff34 sp=0x328fff08 pc=0x4559b2
runtime.lastcontinuehandler(0x750df4, 0x12860ad0, 0x142ca4b0)
	C:/workdir/go/src/runtime/signal_windows.go:198 +0x58 fp=0x328fff44 sp=0x328fff34 pc=0x455798
sigtramp()
	C:/workdir/go/src/runtime/sys_windows_386.s:127 +0x77 fp=0x328fff48 sp=0x328fff44 pc=0x477657
*** Test killed: ran too long (6m0s).

runtime: marked free object in span 0x369ed8, elemsize=5376 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x456000 alloc marked  
0x457500 free  unmarked
0x458a00 free  marked   zombie
0x0000000000458a00:  0x544f4f524f472420  0x2f6f672f6372732f 
0x0000000000458a10:  0x2f72656e6e616373  0x672e73726f727265 
0x0000000000458a20:  0x5008736f5003006f  0x086e6f697469736f 
0x0000000000458a30:  0x6e656b6f742f6f67  0x7272450567734d03 
0x0000000000458a40:  0x637365066501726f  0x016464410301003a 
0x0000000000458a50:  0x4c726f7272450970  0x03736f7003747369 
...
fatal error: found pointer to free object

goroutine 3 [running]:
runtime.throw({0x7d89b, 0x1c})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x4315e0 sp=0x4315b8 pc=0x12460003
runtime.(*mspan).reportZombies(0x369ed8)
	/workdir/go/src/runtime/mgcsweep.go:788 +0x60 fp=0x431660 sp=0x4315e0 pc=0x118b0060
runtime.(*sweepLocked).sweep(0x431780, 0x0)
	/workdir/go/src/runtime/mgcsweep.go:607 +0x5f fp=0x431748 sp=0x431660 pc=0x118a005f
runtime.sweepone()
	/workdir/go/src/runtime/mgcsweep.go:370 +0x18 fp=0x4317a8 sp=0x431748 pc=0x11880018
runtime.bgsweep(0x438000)
	/workdir/go/src/runtime/mgcsweep.go:282 +0x2c fp=0x4317d0 sp=0x4317a8 pc=0x1185002c
runtime.gcenable.func1()
	/workdir/go/src/runtime/mgc.go:178 +0x2 fp=0x4317e0 sp=0x4317d0 pc=0x110a0002
runtime.goexit()
	/workdir/go/src/runtime/asm_wasm.s:401 +0x1 fp=0x4317e8 sp=0x4317e0 pc=0x14350001
created by runtime.gcenable
	/workdir/go/src/runtime/mgc.go:178 +0x8

runtime: marked free object in span 0xd7ef80, elemsize=288 freeindex=4 (bad use of unsafe.Pointer? try -d=checkptr)
0x676000 alloc unmarked
0x676120 alloc marked  
0x676240 alloc unmarked
0x676360 alloc unmarked
0x676480 free  unmarked
0x6765a0 free  marked   zombie
0x00000000006765a0:  0x0000000000000000  0x0000000000000000 
0x00000000006765b0:  0x0000000000000000  0x0000000000000000 
0x00000000006765c0:  0x0000000000000000  0x0000000000000000 
...
fatal error: found pointer to free object

runtime stack:
runtime.throw({0x558d1, 0x1c})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x265d88 sp=0x265d60 pc=0x12430003
runtime.(*mspan).reportZombies(0xd7ef80)
	/workdir/go/src/runtime/mgcsweep.go:788 +0x60 fp=0x265e08 sp=0x265d88 pc=0x11880060
runtime.(*sweepLocked).sweep(0x265f10, 0x0)
	/workdir/go/src/runtime/mgcsweep.go:607 +0x5f fp=0x265ef0 sp=0x265e08 pc=0x1187005f
runtime.(*mcentral).uncacheSpan(0x24ccd0, 0xd7ef80)
...
runtime.gcMarkTermination()
	/workdir/go/src/runtime/mgc.go:1058 +0x6c fp=0x432f00 sp=0x432cf8 pc=0x1118006c
runtime.gcMarkDone()
	/workdir/go/src/runtime/mgc.go:918 +0x45 fp=0x432f58 sp=0x432f00 pc=0x11120045
runtime.gcBgMarkWorker()
	/workdir/go/src/runtime/mgc.go:1366 +0x66 fp=0x432fe0 sp=0x432f58 pc=0x111c0066
runtime.goexit()
	/workdir/go/src/runtime/asm_wasm.s:401 +0x1 fp=0x432fe8 sp=0x432fe0 pc=0x14360001
created by runtime.gcBgMarkStartWorkers
	/workdir/go/src/runtime/mgc.go:1158 +0x3

runtime: pointer 0x616e6966 to unallocated span span.base()=0x8f78000 span.limit=0x8f79ff8 span.state=0
runtime: found in object at *(0x8d3a420+0x0)
object=0x8d3a420 s.base()=0x8d3a000 s.limit=0x8d3c000 s.spanclass=5 s.elemsize=16 s.state=mSpanInUse
 *(object+0) = 0x616e6966 <==
 *(object+4) = 0x657a696c
 *(object+8) = 0x8114ed7
 *(object+12) = 0x0
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x81d8da0, 0x3e})
	/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x8c53e2c sp=0x8c53e18 pc=0x807fbdd
runtime.badPointer(0xef804360, 0x616e6966, 0x8d3a420, 0x0)
	/workdir/go/src/runtime/mbitmap.go:316 +0xa2 fp=0x8c53e4c sp=0x8c53e2c pc=0x8058f12
runtime.findObject(0x616e6966, 0x8d3a420, 0x0)
	/workdir/go/src/runtime/mbitmap.go:359 +0x9e fp=0x8c53e64 sp=0x8c53e4c pc=0x805916e
runtime.scanobject(0x8d3a420, 0x8c2895c)
	/workdir/go/src/runtime/mgcmark.go:1341 +0x183 fp=0x8c53eb4 sp=0x8c53e64 pc=0x8065613
runtime.markrootSpans(0x8c2895c, 0x0)
	/workdir/go/src/runtime/mgcmark.go:390 +0x18e fp=0x8c53ef0 sp=0x8c53eb4 pc=0x80630fe
runtime.markroot(0x8c2895c, 0x4, 0x1)
	/workdir/go/src/runtime/mgcmark.go:192 +0xe9 fp=0x8c53f4c sp=0x8c53ef0 pc=0x80628c9
runtime.gcDrain(0x8c2895c, 0x3)
	/workdir/go/src/runtime/mgcmark.go:1069 +0x4ed fp=0x8c53fb0 sp=0x8c53f4c pc=0x8064ffd
runtime.gcBgMarkWorker.func2()
	/workdir/go/src/runtime/mgc.go:1307 +0xaa fp=0x8c53fdc sp=0x8c53fb0 pc=0x806060a
runtime.systemstack()
	/workdir/go/src/runtime/asm_386.s:370 +0x41 fp=0x8c53fe0 sp=0x8c53fdc pc=0x80af4e1

runtime: marked free object in span 0x369a10, elemsize=2304 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x46c000 alloc marked  
0x46c900 free  unmarked
0x46d200 free  unmarked
0x46db00 free  unmarked
0x46e400 free  marked   zombie
0x000000000046e400:  0x0000000000000000  0x0000000000000000 
0x000000000046e410:  0x0000000000000000  0x0000000000000000 
0x000000000046e420:  0x0000000000000000  0x0000000000000000 
0x000000000046e430:  0x0000000000000000  0x0000000000000000 
...
fatal error: found pointer to free object

goroutine 3 [running]:
runtime.throw({0x7d888, 0x1c})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x4315e0 sp=0x4315b8 pc=0x12460003
runtime.(*mspan).reportZombies(0x369a10)
	/workdir/go/src/runtime/mgcsweep.go:788 +0x60 fp=0x431660 sp=0x4315e0 pc=0x118b0060
runtime.(*sweepLocked).sweep(0x431780, 0x0)
	/workdir/go/src/runtime/mgcsweep.go:607 +0x5f fp=0x431748 sp=0x431660 pc=0x118a005f
runtime.sweepone()
	/workdir/go/src/runtime/mgcsweep.go:370 +0x18 fp=0x4317a8 sp=0x431748 pc=0x11880018
runtime.bgsweep(0x438000)
	/workdir/go/src/runtime/mgcsweep.go:282 +0x2c fp=0x4317d0 sp=0x4317a8 pc=0x1185002c
runtime.gcenable.func1()
	/workdir/go/src/runtime/mgc.go:178 +0x2 fp=0x4317e0 sp=0x4317d0 pc=0x110a0002
runtime.goexit()
	/workdir/go/src/runtime/asm_wasm.s:401 +0x1 fp=0x4317e8 sp=0x4317e0 pc=0x14350001
created by runtime.gcenable
	/workdir/go/src/runtime/mgc.go:178 +0x8

runtime: pointer 0x7e42a0 to unused region of span span.base()=0x522000 span.limit=0x526000 span.state=1
runtime: found in object at *(0x424f00+0x90)
object=0x424f00 s.base()=0x41e000 s.limit=0x42be00 s.spanclass=104 s.elemsize=9472 s.state=mSpanInUse
 *(object+0) = 0x8fd8
 *(object+8) = 0x6e63d0
 *(object+16) = 0xc
 *(object+24) = 0x6e67d0
 *(object+32) = 0xa
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x8604a, 0x3e})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x351220 sp=0x3511f8 pc=0x12460003
runtime.badPointer(0xdfb508, 0x7e42a0, 0x424f00, 0x90)
	/workdir/go/src/runtime/mbitmap.go:316 +0xe fp=0x351260 sp=0x351220 pc=0x10dc000e
runtime.findObject(0x7e42a0, 0x424f00, 0x90)
	/workdir/go/src/runtime/mbitmap.go:359 +0x1d fp=0x351290 sp=0x351260 pc=0x10dd001d
runtime.scanobject(0x424f00, 0x41f240)
	/workdir/go/src/runtime/mgcmark.go:1341 +0x32 fp=0x351328 sp=0x351290 pc=0x11460032
runtime.gcDrain(0x41f240, 0x7)
	/workdir/go/src/runtime/mgcmark.go:1103 +0x35 fp=0x351380 sp=0x351328 pc=0x11430035
runtime.gcBgMarkWorker.func2()
	/workdir/go/src/runtime/mgc.go:1326 +0x8 fp=0x3513d8 sp=0x351380 pc=0x11200008
runtime.systemstack()
	/workdir/go/src/runtime/asm_wasm.s:169 +0x2 fp=0x3513e0 sp=0x3513d8 pc=0x140c0002
runtime.mstart()
	/workdir/go/src/runtime/asm_wasm.s:27 fp=0x3513e8 sp=0x3513e0 pc=0x14080000

runtime: pointer 0x737973 to unused region of span span.base()=0x498000 span.limit=0x49a000 span.state=1
runtime: found in object at *(0x61c560+0x8)
object=0x61c560 s.base()=0x61c000 s.limit=0x61e000 s.spanclass=5 s.elemsize=16 s.state=mSpanInUse
 *(object+0) = 0x7ff8000100001eb1
 *(object+8) = 0x737973 <==
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x5b8ee, 0x3e})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x265e00 sp=0x265dd8 pc=0x12430003
runtime.badPointer(0xcbd0a8, 0x737973, 0x61c560, 0x8)
	/workdir/go/src/runtime/mbitmap.go:316 +0xe fp=0x265e40 sp=0x265e00 pc=0x10d9000e
runtime.findObject(0x737973, 0x61c560, 0x8)
	/workdir/go/src/runtime/mbitmap.go:359 +0x1d fp=0x265e70 sp=0x265e40 pc=0x10da001d
runtime.scanobject(0x61c560, 0x41f240)
	/workdir/go/src/runtime/mgcmark.go:1341 +0x32 fp=0x265f08 sp=0x265e70 pc=0x11430032
runtime.markrootSpans(0x41f240, 0x0)
	/workdir/go/src/runtime/mgcmark.go:390 +0x34 fp=0x265f80 sp=0x265f08 pc=0x11360034
runtime.markroot(0x41f240, 0x4, 0x1)
	/workdir/go/src/runtime/mgcmark.go:192 +0x1d fp=0x266028 sp=0x265f80 pc=0x1132001d
runtime.gcDrain(0x41f240, 0xb)
	/workdir/go/src/runtime/mgcmark.go:1069 +0x66 fp=0x266080 sp=0x266028 pc=0x11400066
runtime.gcBgMarkWorker.func2()
	/workdir/go/src/runtime/mgc.go:1324 +0xa fp=0x2660d8 sp=0x266080 pc=0x111d000a
runtime.systemstack()
	/workdir/go/src/runtime/asm_wasm.s:169 +0x2 fp=0x2660e0 sp=0x2660d8 pc=0x140d0002
runtime.mstart()
	/workdir/go/src/runtime/asm_wasm.s:27 fp=0x2660e8 sp=0x2660e0 pc=0x14090000

runtime: marked free object in span 0x36b968, elemsize=10240 freeindex=1 (bad use of unsafe.Pointer? try -d=checkptr)
0x4aa000 alloc unmarked
0x4ac800 free  unmarked
0x4af000 free  unmarked
0x4b1800 free  marked   zombie
0x00000000004b1800:  0x0000000000000012  0x0000000000000000 
0x00000000004b1810:  0x0000000000000000  0x0000000000000000 
0x00000000004b1820:  0x0000000000000000  0x0000000000000000 
0x00000000004b1830:  0x0000000000000000  0x0000000000000000 
0x00000000004b1840:  0x0000a3585de23a8c  0x0000000000002bac 
...
fatal error: found pointer to free object

runtime stack:
runtime.throw({0x7d885, 0x1c})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x351088 sp=0x351060 pc=0x12460003
runtime.(*mspan).reportZombies(0x36b968)
	/workdir/go/src/runtime/mgcsweep.go:788 +0x60 fp=0x351108 sp=0x351088 pc=0x118b0060
runtime.(*sweepLocked).sweep(0x351210, 0x0)
	/workdir/go/src/runtime/mgcsweep.go:607 +0x5f fp=0x3511f0 sp=0x351108 pc=0x118a005f
runtime.(*mcentral).uncacheSpan(0x33b4f0, 0x36b968)
...
runtime.gcMarkTermination()
	/workdir/go/src/runtime/mgc.go:1058 +0x6c fp=0x432f00 sp=0x432cf8 pc=0x111b006c
runtime.gcMarkDone()
	/workdir/go/src/runtime/mgc.go:918 +0x45 fp=0x432f58 sp=0x432f00 pc=0x11150045
runtime.gcBgMarkWorker()
	/workdir/go/src/runtime/mgc.go:1366 +0x66 fp=0x432fe0 sp=0x432f58 pc=0x111f0066
runtime.goexit()
	/workdir/go/src/runtime/asm_wasm.s:401 +0x1 fp=0x432fe8 sp=0x432fe0 pc=0x14350001
created by runtime.gcBgMarkStartWorkers
	/workdir/go/src/runtime/mgc.go:1158 +0x3

runtime: marked free object in span 0x368228, elemsize=24 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x416000 alloc marked  
0x416018 alloc marked  
0x416030 alloc marked  
0x416048 alloc marked  
0x416060 alloc marked  
0x416078 alloc marked  
0x416090 alloc marked  
0x4160a8 alloc marked  
0x4160c0 alloc marked  
...
fatal error: found pointer to free object

goroutine 3 [running]:
runtime.throw({0x7d898, 0x1c})
	/workdir/go/src/runtime/panic.go:1047 +0x3 fp=0x4315e0 sp=0x4315b8 pc=0x12460003
runtime.(*mspan).reportZombies(0x368228)
	/workdir/go/src/runtime/mgcsweep.go:788 +0x60 fp=0x431660 sp=0x4315e0 pc=0x118b0060
runtime.(*sweepLocked).sweep(0x431780, 0x0)
	/workdir/go/src/runtime/mgcsweep.go:612 +0xfd fp=0x431748 sp=0x431660 pc=0x118a00fd
runtime.sweepone()
	/workdir/go/src/runtime/mgcsweep.go:370 +0x18 fp=0x4317a8 sp=0x431748 pc=0x11880018
runtime.bgsweep(0x438000)
	/workdir/go/src/runtime/mgcsweep.go:282 +0x2c fp=0x4317d0 sp=0x4317a8 pc=0x1185002c
runtime.gcenable.func1()
	/workdir/go/src/runtime/mgc.go:178 +0x2 fp=0x4317e0 sp=0x4317d0 pc=0x110a0002
runtime.goexit()
	/workdir/go/src/runtime/asm_wasm.s:401 +0x1 fp=0x4317e8 sp=0x4317e0 pc=0x14350001
created by runtime.gcenable
	/workdir/go/src/runtime/mgc.go:178 +0x8

207239  ======
0 : sysmon 1 0xd69998
1 : traceBuf 23 0xd80f98
2 : traceStackTab 42 0xd70ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe1ba?, 0x45eb45?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7ffe58068ed8 sp=0x7ffe58068ea8 pc=0x43a77d
...
cmd/trace.TestFoo(0xc000241520)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000052770 sp=0xc0000525b0 pc=0x751769
testing.tRunner(0xc000241520, 0xad0728)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000527c0 sp=0xc000052770 pc=0x51832b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000527e0 sp=0xc0000527c0 pc=0x5191ca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f401
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

206456  ======
0 : sysmon 1 0xd69998
1 : traceBuf 23 0xd80f98
2 : traceStackTab 42 0xd70ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe1ba?, 0x45eb45?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fccea0d1c20 sp=0x7fccea0d1bf0 pc=0x43a77d
...
cmd/trace.TestFoo(0xc0002311e0)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000052770 sp=0xc0000525b0 pc=0x751769
testing.tRunner(0xc0002311e0, 0xad0728)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000527c0 sp=0xc000052770 pc=0x51832b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000527e0 sp=0xc0000527c0 pc=0x5191ca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f401
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

205725  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe2ba?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f3aee48cc20 sp=0x7f3aee48cbf0 pc=0x43a7bd
...
cmd/trace.TestFoo(0xc000437520)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000051f70 sp=0xc000051db0 pc=0x751609
testing.tRunner(0xc000437520, 0xad0828)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc000051fc0 sp=0xc000051f70 pc=0x5181cb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc000051fe0 sp=0xc000051fc0 pc=0x51906a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000051fe8 sp=0xc000051fe0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

206911  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45ebe5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fcd758b1c20 sp=0x7fcd758b1bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc000231a00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000053770 sp=0xc0000535b0 pc=0x751649
testing.tRunner(0xc000231a00, 0xad0788)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000537c0 sp=0xc000053770 pc=0x51820b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000537e0 sp=0xc0000537c0 pc=0x5190aa
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46f4a1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

206798  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45ebe5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f9ff3d69c20 sp=0x7f9ff3d69bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc00021dd40)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00023f770 sp=0xc00023f5b0 pc=0x751669
testing.tRunner(0xc00021dd40, 0xad0788)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc00023f7c0 sp=0xc00023f770 pc=0x51820b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc00023f7e0 sp=0xc00023f7c0 pc=0x5190aa
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00023f7e8 sp=0xc00023f7e0 pc=0x46f4a1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

94330  ======
0 : traceStackTab 42 0x6fa658
1 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x5bd466?, 0x45d565?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fddef7fdc20 sp=0x7fddef7fdbf0 pc=0x4398dd
runtime.checkRanks(0xc0004036c0, 0x642358?, 0xffffffff000318ff?)
	/workdir/go/src/runtime/lockrank_on.go:156 +0x21a fp=0x7fddef7fdc80 sp=0x7fddef7fdc20 pc=0x40d93a
...
	/workdir/go/src/runtime/trace/trace_test.go:374 +0x125 fp=0xc0000537e0 sp=0xc0000536c8 pc=0x569de5
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46d581
created by runtime/trace_test.TestTraceStressStartStop
	/workdir/go/src/runtime/trace/trace_test.go:360 +0x12b

goroutine 19 [running]:
	goroutine running on other thread; stack unavailable
created by runtime.gcenable
	/workdir/go/src/runtime/mgc.go:179 +0xaa

runtime: pointer 0xc0014a6000 to unallocated span span.base()=0xc0014a6000 span.limit=0xc0014c6020 span.state=0
runtime: found in object at *(0xc0012d6000+0x18058)
object=0xc0012d6000 s.base()=0xc001276000 s.limit=0xc001316508 s.spanclass=0 s.elemsize=663552 s.state=mSpanInUse
 *(object+0) = 0x0
 *(object+8) = 0x0
 *(object+16) = 0x0
 *(object+24) = 0x0
 *(object+32) = 0x0
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x559f67?, 0x6?})
	/tmp/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0xc000055df8 sp=0xc000055dc8 pc=0x4347bd
runtime.badPointer(0x827ccaf60, 0xc000055e70?, 0xc0012d6000, 0xc000055f00?)
	/tmp/workdir/go/src/runtime/mbitmap.go:316 +0x150 fp=0xc000055e48 sp=0xc000055df8 pc=0x413390
runtime.findObject(0xc00095af00?, 0xc00002cf00?, 0xc00004a800?)
	/tmp/workdir/go/src/runtime/mbitmap.go:359 +0xa6 fp=0xc000055e80 sp=0xc000055e48 pc=0x413526
runtime.scanobject(0xc00002bc40?, 0xc00002bc40)
	/tmp/workdir/go/src/runtime/mgcmark.go:1335 +0x165 fp=0xc000055f10 sp=0xc000055e80 pc=0x41dd45
runtime.gcDrain(0xc00002bc40, 0x3)
	/tmp/workdir/go/src/runtime/mgcmark.go:1105 +0x1d4 fp=0xc000055f70 sp=0xc000055f10 pc=0x41d5b4
runtime.gcBgMarkWorker.func2()
	/tmp/workdir/go/src/runtime/mgc.go:1307 +0xa5 fp=0xc000055fc0 sp=0xc000055f70 pc=0x419ca5
runtime.systemstack()
	/tmp/workdir/go/src/runtime/asm_amd64.s:492 +0x49 fp=0xc000055fc8 sp=0xc000055fc0 pc=0x464009

208372  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45ebe5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7ffee1aee558 sp=0x7ffee1aee528 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc00021f380)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000053770 sp=0xc0000535b0 pc=0x751689
testing.tRunner(0xc00021f380, 0xad0788)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000537c0 sp=0xc000053770 pc=0x51822b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000537e0 sp=0xc0000537c0 pc=0x5190ca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46f4a1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207630  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45ebe5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7ff99abebc20 sp=0x7ff99abebbf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc000233ba0)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000235f70 sp=0xc000235db0 pc=0x751689
testing.tRunner(0xc000233ba0, 0xad0788)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc000235fc0 sp=0xc000235f70 pc=0x51822b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc000235fe0 sp=0xc000235fc0 pc=0x5190ca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000235fe8 sp=0xc000235fe0 pc=0x46f4a1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

208093  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f83c6597c20 sp=0x7f83c6597bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc000239520)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00043af70 sp=0xc00043adb0 pc=0x751649
testing.tRunner(0xc000239520, 0xad0788)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc00043afc0 sp=0xc00043af70 pc=0x5181eb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc00043afe0 sp=0xc00043afc0 pc=0x51908a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00043afe8 sp=0xc00043afe0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

208527  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fa4fd396c20 sp=0x7fa4fd396bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc0002236c0)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc0001cef70 sp=0xc0001cedb0 pc=0x751509
testing.tRunner(0xc0002236c0, 0xad0780)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0001cefc0 sp=0xc0001cef70 pc=0x5180ab
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0001cefe0 sp=0xc0001cefc0 pc=0x518f4a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0001cefe8 sp=0xc0001cefe0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

208246  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe21a?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fe77e206c20 sp=0x7fe77e206bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc0000b8680)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00022bf70 sp=0xc00022bdb0 pc=0x751509
testing.tRunner(0xc0000b8680, 0xad0780)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc00022bfc0 sp=0xc00022bf70 pc=0x5180ab
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc00022bfe0 sp=0xc00022bfc0 pc=0x518f4a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00022bfe8 sp=0xc00022bfe0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207507  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe20f?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fd2627fbc20 sp=0x7fd2627fbbf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc0002a31e0)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000057770 sp=0xc0000575b0 pc=0x751229
testing.tRunner(0xc0002a31e0, 0xad0760)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000577c0 sp=0xc000057770 pc=0x517dcb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000577e0 sp=0xc0000577c0 pc=0x518c6a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000577e8 sp=0xc0000577e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207221  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe20f?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fa458a76c20 sp=0x7fa458a76bf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc00022b520)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc0000bd770 sp=0xc0000bd5b0 pc=0x751229
testing.tRunner(0xc00022b520, 0xad0760)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000bd7c0 sp=0xc0000bd770 pc=0x517dcb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000bd7e0 sp=0xc0000bd7c0 pc=0x518c6a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000bd7e8 sp=0xc0000bd7e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207708  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe20f?, 0x45eba5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7ff11fffec20 sp=0x7ff11fffebf0 pc=0x43a7fd
...
cmd/trace.TestFoo(0xc000102340)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000053770 sp=0xc0000535b0 pc=0x7511e9
testing.tRunner(0xc000102340, 0xad0760)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000537c0 sp=0xc000053770 pc=0x517dcb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000537e0 sp=0xc0000537c0 pc=0x518c6a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

193599  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe38f?, 0x45ebc5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f0155ffac20 sp=0x7f0155ffabf0 pc=0x43a81d
...
cmd/trace.TestFoo(0xc000544680)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc0000c3770 sp=0xc0000c35b0 pc=0x751209
testing.tRunner(0xc000544680, 0xad08e0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000c37c0 sp=0xc0000c3770 pc=0x517deb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000c37e0 sp=0xc0000c37c0 pc=0x518c8a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000c37e8 sp=0xc0000c37e0 pc=0x46f481
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

208048  ======
0 : sysmon 1 0xd6a998
1 : traceBuf 23 0xd81f98
2 : traceStackTab 42 0xd71ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fe38f?, 0x45ebc5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fcfb1580c20 sp=0x7fcfb1580bf0 pc=0x43a81d
...
cmd/trace.TestFoo(0xc000541a00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000053770 sp=0xc0000535b0 pc=0x751209
testing.tRunner(0xc000541a00, 0xad08e0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000537c0 sp=0xc000053770 pc=0x517deb
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000537e0 sp=0xc0000537c0 pc=0x518c8a
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000537e8 sp=0xc0000537e0 pc=0x46f481
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207493  ======
0 : sysmon 1 0xd66998
1 : traceBuf 23 0xd7df98
2 : traceStackTab 42 0xd6def8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fb38f?, 0x45ec45?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f94ab536c20 sp=0x7f94ab536bf0 pc=0x43a87d
...
cmd/trace.TestFoo(0xc000103a00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000052770 sp=0xc0000525b0 pc=0x74e029
testing.tRunner(0xc000103a00, 0xacd8d0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000527c0 sp=0xc000052770 pc=0x51776b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000527e0 sp=0xc0000527c0 pc=0x5185ea
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

208328  ======
0 : sysmon 1 0xd66998
1 : traceBuf 23 0xd7df98
2 : traceStackTab 42 0xd6def8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fb38f?, 0x45ec45?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f361c11ec20 sp=0x7f361c11ebf0 pc=0x43a87d
...
cmd/trace.TestFoo(0xc000225860)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00032f770 sp=0xc00032f5b0 pc=0x74e029
testing.tRunner(0xc000225860, 0xacd8d0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc00032f7c0 sp=0xc00032f770 pc=0x51776b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc00032f7e0 sp=0xc00032f7c0 pc=0x5185ea
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00032f7e8 sp=0xc00032f7e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

207715  ======
0 : sysmon 1 0xd66998
1 : traceBuf 23 0xd7df98
2 : traceStackTab 42 0xd6def8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7fb38f?, 0x45ec45?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f1039d76c20 sp=0x7f1039d76bf0 pc=0x43a87d
...
cmd/trace.TestFoo(0xc000103a00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00023f770 sp=0xc00023f5b0 pc=0x74e029
testing.tRunner(0xc000103a00, 0xacd8d0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc00023f7c0 sp=0xc00023f770 pc=0x51776b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc00023f7e0 sp=0xc00023f7c0 pc=0x5185ea
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc00023f7e8 sp=0xc00023f7e0 pc=0x46f461
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

210886  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8f0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f4cb4169c20 sp=0x7f4cb4169bf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc000220b60)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000156770 sp=0xc0001565b0 pc=0x752e49
testing.tRunner(0xc000220b60, 0xad1df0)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0001567c0 sp=0xc000156770 pc=0x519b4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0001567e0 sp=0xc0001567c0 pc=0x51a9ca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0001567e8 sp=0xc0001567e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

211255  ======
0 : sysmon 1 0xd6c978
1 : traceBuf 23 0xd83f78
2 : traceStackTab 42 0xd73ed8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fe4ec2b8c20 sp=0x7fe4ec2b8bf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc000225860)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000052770 sp=0xc0000525b0 pc=0x752d89
testing.tRunner(0xc000225860, 0xad1d10)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000527c0 sp=0xc000052770 pc=0x519c4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000527e0 sp=0xc0000527c0 pc=0x51aaca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000527e8 sp=0xc0000527e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

211003  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7ff11fffec20 sp=0x7ff11fffebf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc0000db040)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000051770 sp=0xc0000515b0 pc=0x752d09
testing.tRunner(0xc0000db040, 0xad1d08)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0000517c0 sp=0xc000051770 pc=0x519c4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0000517e0 sp=0xc0000517c0 pc=0x51aaca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000517e8 sp=0xc0000517e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

210352  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fd4fdf85c20 sp=0x7fd4fdf85bf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc0002b3860)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000225f70 sp=0xc000225db0 pc=0x752d09
testing.tRunner(0xc0002b3860, 0xad1d08)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc000225fc0 sp=0xc000225f70 pc=0x519c4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc000225fe0 sp=0xc000225fc0 pc=0x51aaca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000225fe8 sp=0xc000225fe0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

211392  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fe6d67fbc20 sp=0x7fe6d67fbbf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc0002a1a00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000247770 sp=0xc0002475b0 pc=0x752ca9
testing.tRunner(0xc0002a1a00, 0xad1d08)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0002477c0 sp=0xc000247770 pc=0x519c4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0002477e0 sp=0xc0002477c0 pc=0x51aaca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0002477e8 sp=0xc0002477e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

211500  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f100b2bec20 sp=0x7f100b2bebf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc000543380)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc0001cf770 sp=0xc0001cf5b0 pc=0x752ca9
testing.tRunner(0xc000543380, 0xad1d08)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0001cf7c0 sp=0xc0001cf770 pc=0x519c4b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0001cf7e0 sp=0xc0001cf7c0 pc=0x51aaca
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0001cf7e8 sp=0xc0001cf7e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

211043  ======
0 : sysmon 1 0xd6b998
1 : traceBuf 23 0xd82f98
2 : traceStackTab 42 0xd72ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f091fffec20 sp=0x7f091fffebf0 pc=0x439e3d
...
cmd/trace.TestFoo(0xc00020ed00)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000263770 sp=0xc0002635b0 pc=0x752a49
testing.tRunner(0xc00020ed00, 0xad1d08)
	/workdir/go/src/testing/testing.go:1446 +0x10b fp=0xc0002637c0 sp=0xc000263770 pc=0x519c2b
testing.(*T).Run.func1()
	/workdir/go/src/testing/testing.go:1493 +0x2a fp=0xc0002637e0 sp=0xc0002637c0 pc=0x51aaaa
runtime.goexit()
	/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0002637e8 sp=0xc0002637e0 pc=0x46f4c1
created by testing.(*T).Run
	/workdir/go/src/testing/testing.go:1493 +0x35f

runtime: pointer 0xc000f68000 to unallocated span span.base()=0xc000f68000 span.limit=0xc000f77fff span.state=0
runtime: found in object at *(0xc0013c0000+0x0)
object=0xc0013c0000 s.base()=0xc0013a0000 s.limit=0xc001440508 s.spanclass=0 s.elemsize=663552 s.state=mSpanInUse
 *(object+0) = 0x0 <==
 *(object+8) = 0x0
 *(object+16) = 0x0
 *(object+24) = 0x0
 *(object+32) = 0x0
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x115b36f?, 0x6?})
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/panic.go:1047 +0x5d fp=0x7000090edce8 sp=0x7000090edcb8 pc=0x1033e7d
runtime.badPointer(0x1409a20, 0x7000090edd60?, 0xc0013c0000, 0x1024328?)
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mbitmap.go:314 +0x150 fp=0x7000090edd38 sp=0x7000090edce8 pc=0x1013210
runtime.findObject(0xc0030c4000?, 0x102fcff?, 0xc000031738?)
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mbitmap.go:357 +0xa6 fp=0x7000090edd70 sp=0x7000090edd38 pc=0x10133a6
runtime.scanobject(0xc000031738?, 0xc000031738)
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mgcmark.go:1337 +0x165 fp=0x7000090ede00 sp=0x7000090edd70 pc=0x101d8c5
runtime.gcDrainN(0xc000031738, 0x10000)
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mgcmark.go:1194 +0x192 fp=0x7000090ede30 sp=0x7000090ede00 pc=0x101d512
runtime.gcAssistAlloc1(0xc000117860, 0xc000331910?)
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mgcmark.go:569 +0x12e fp=0x7000090ede98 sp=0x7000090ede30 pc=0x101bfae
runtime.gcAssistAlloc.func1()
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/mgcmark.go:476 +0x25 fp=0x7000090edeb8 sp=0x7000090ede98 pc=0x101be65
runtime.systemstack()
	/var/folders/9w/4l2_g3kx01x199n37fbmv3s80000gn/T/workdir-host-darwin-amd64-10_14/go/src/runtime/asm_amd64.s:492 +0x49 fp=0x7000090edec0 sp=0x7000090edeb8 pc=0x1065309

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x7ff6f49eb8e4]

runtime stack:
runtime.throw({0x7ff6f4b4c65b?, 0x0?})
	C:/workdir/go/src/runtime/panic.go:1047 +0x40 fp=0xea793ff1b0 sp=0xea793ff180 pc=0x7ff6f49c73a0
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:251 +0x220 fp=0xea793ff200 sp=0xea793ff1b0 pc=0x7ff6f49dcc90
runtime.gentraceback(0x4000041520?, 0x4000024000?, 0xea793ff5a8?, 0x40003c4000, 0x0, 0xea793ff5a8, 0x40, 0x0, 0x0?, 0x6)
	C:/workdir/go/src/runtime/traceback.go:162 +0x304 fp=0xea793ff540 sp=0xea793ff210 pc=0x7ff6f49eb8e4
runtime.sigprof(0x7ff6f49f71d8, 0x20c?, 0xea793ff7f0?, 0x40003c4000, 0x40003c0000)
	C:/workdir/go/src/runtime/proc.go:4626 +0xf8 fp=0xea793ff7b0 sp=0xea793ff540 pc=0x7ff6f49d3618
runtime.profilem(0x40003c0000, 0x20c?)
	C:/workdir/go/src/runtime/os_windows.go:1228 +0x110 fp=0xea793ffb90 sp=0xea793ff7b0 pc=0x7ff6f49c43d0
runtime.profileLoop()
	C:/workdir/go/src/runtime/os_windows.go:1284 +0x178 fp=0xea793ffc10 sp=0xea793ffb90 pc=0x7ff6f49c4578
runtime.mstart1()
	C:/workdir/go/src/runtime/proc.go:1425 +0x88 fp=0xea793ffc40 sp=0xea793ffc10 pc=0x7ff6f49cc308
runtime.mstart0()
	C:/workdir/go/src/runtime/proc.go:1382 +0x68 fp=0xea793ffc70 sp=0xea793ffc40 pc=0x7ff6f49cc268
runtime.mstart()
	C:/workdir/go/src/runtime/asm_arm64.s:128 +0x10 fp=0xea793ffc80 sp=0xea793ffc70 pc=0x7ff6f49f70a0

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x0 pc=0x3ac66f]

runtime stack:
runtime.throw({0x51017b?, 0x5e6150?})
	C:/workdir/go/src/runtime/panic.go:1047 +0x65 fp=0x69bd3fed18 sp=0x69bd3fece8 pc=0x388645
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:251 +0x213 fp=0x69bd3fed60 sp=0x69bd3fed18 pc=0x39d453
runtime.gentraceback(0xffffffdccc0fa9c0?, 0x69bd3ff130?, 0x8?, 0xc000052820, 0x0, 0x69bd3ff130, 0x40, 0x0, 0x0?, 0x6)
	C:/workdir/go/src/runtime/traceback.go:162 +0x4cf fp=0x69bd3ff0d0 sp=0x69bd3fed60 pc=0x3ac66f
runtime.sigprof(0x3918bf, 0x198?, 0x69bd3ff370?, 0xc000052820, 0xc00005c800)
	C:/workdir/go/src/runtime/proc.go:4626 +0x11d fp=0x69bd3ff340 sp=0x69bd3ff0d0 pc=0x3944bd
runtime.profilem(0xc00005c800, 0x198?)
	C:/workdir/go/src/runtime/os_windows.go:1228 +0xff fp=0x69bd3ff860 sp=0x69bd3ff340 pc=0x38553f
runtime.profileLoop()
	C:/workdir/go/src/runtime/os_windows.go:1284 +0x1d2 fp=0x69bd3ff8d8 sp=0x69bd3ff860 pc=0x385752
runtime.mstart1()
	C:/workdir/go/src/runtime/proc.go:1425 +0x9d fp=0x69bd3ff900 sp=0x69bd3ff8d8 pc=0x38d7fd
runtime.mstart0()
	C:/workdir/go/src/runtime/proc.go:1382 +0x6c fp=0x69bd3ff928 sp=0x69bd3ff900 pc=0x38d72c
runtime.mstart()
	C:/workdir/go/src/runtime/asm_amd64.s:390 +0x5 fp=0x69bd3ff930 sp=0x69bd3ff928 pc=0x3b8305

runtime: pointer 0xc00191a000 to unused region of span span.base()=0xc000968000 span.limit=0xc000977fff span.state=1
runtime: found in object at *(0xc001828000+0x1c078)
object=0xc001828000 s.base()=0xc0017e8000 s.limit=0xc001888508 s.spanclass=0 s.elemsize=663552 s.state=mSpanInUse
 *(object+0) = 0x0
 *(object+8) = 0x0
 *(object+16) = 0x0
 *(object+24) = 0x0
 *(object+32) = 0x0
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x55a430?, 0x6?})
	/tmp/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0xc00005bdf8 sp=0xc00005bdc8 pc=0x433ebd
runtime.badPointer(0x827bb1898, 0xc00005be70?, 0xc001828000, 0x4242c8?)
	/tmp/workdir/go/src/runtime/mbitmap.go:314 +0x150 fp=0xc00005be48 sp=0xc00005bdf8 pc=0x413170
runtime.findObject(0xc0000141e0?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/mbitmap.go:357 +0xa6 fp=0xc00005be80 sp=0xc00005be48 pc=0x413306
runtime.scanobject(0xc000027238?, 0xc000027238)
	/tmp/workdir/go/src/runtime/mgcmark.go:1337 +0x165 fp=0xc00005bf10 sp=0xc00005be80 pc=0x41d865
runtime.gcDrain(0xc000027238, 0x3)
	/tmp/workdir/go/src/runtime/mgcmark.go:1105 +0x1d4 fp=0xc00005bf70 sp=0xc00005bf10 pc=0x41d0d4
runtime.gcBgMarkWorker.func2()
	/tmp/workdir/go/src/runtime/mgc.go:1307 +0xa5 fp=0xc00005bfc0 sp=0xc00005bf70 pc=0x4197c5
runtime.systemstack()
	/tmp/workdir/go/src/runtime/asm_amd64.s:492 +0x49 fp=0xc00005bfc8 sp=0xc00005bfc0 pc=0x4642e9

runtime: pointer 0xa00010000664e00 to unallocated span span.base()=0xa00010000664000 span.limit=0xa00010000667f00 span.state=0
runtime: found in object at *(0xa000100000c4600+0x0)
object=0xa000100000c4600 s.base()=0xa000100000c4000 s.limit=0xa000100000c5e00 s.spanclass=72 s.elemsize=1536 s.state=mSpanInUse
 *(object+0) = 0x0 <==
 *(object+8) = 0x0
 *(object+16) = 0x0
 *(object+24) = 0x0
 *(object+32) = 0x0
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x100160e36, 0x3e})
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/panic.go:1198 +0x68 fp=0x11027d508 sp=0x11027d4c8 pc=0x10003a0b8
runtime.badPointer(0xa00000026e74b00, 0xa00010000664e00, 0xa000100000c4600, 0x0)
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/mbitmap.go:367 +0x174 fp=0x11027d560 sp=0x11027d508 pc=0x100014514
runtime.findObject(0xa00010000664e00, 0xa000100000c4600, 0x0)
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/mbitmap.go:409 +0x104 fp=0x11027d5a8 sp=0x11027d560 pc=0x1000146d4
runtime.scanobject(0xa000100000c4600, 0xa0001000003be98)
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/mgcmark.go:1280 +0x1ec fp=0x11027d648 sp=0x11027d5a8 pc=0x100020b8c
runtime.gcDrain(0xa0001000003be98, 0x3)
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/mgcmark.go:1047 +0x25c fp=0x11027d6b0 sp=0x11027d648 pc=0x10002031c
runtime.gcBgMarkWorker.func2()
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/mgc.go:1269 +0xbc fp=0x11027d720 sp=0x11027d6b0 pc=0x10001ca2c
runtime.systemstack()
	/ramdisk8GB/workdir-host-aix-ppc64-osuosl/go1.4/src/runtime/asm_ppc64x.s:250 +0x68 fp=0x11027d740 sp=0x11027d720 pc=0x10006c0e8

runtime: pointer 0x9ec6000 to unallocated span span.base()=0x9ec6000 span.limit=0x9ed5fff span.state=0
runtime: found in object at *(0xa7a2000+0x3c)
object=0xa7a2000 s.base()=0xa702000 s.limit=0xa7a2484 s.spanclass=0 s.elemsize=663552 s.state=mSpanInUse
 *(object+0) = 0x0
 *(object+4) = 0x0
 *(object+8) = 0x0
 *(object+12) = 0x0
 *(object+16) = 0x0
 *(object+20) = 0x0
 *(object+24) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x8192faf, 0x3e})
	/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x983bec4 sp=0x983beb0 pc=0x807ed6d
runtime.badPointer(0xef819a50, 0x9ec6000, 0xa7a2000, 0x3c)
	/workdir/go/src/runtime/mbitmap.go:314 +0xa2 fp=0x983bee4 sp=0x983bec4 pc=0x8058582
runtime.findObject(0x9ec6000, 0xa7a2000, 0x3c)
	/workdir/go/src/runtime/mbitmap.go:357 +0x9f fp=0x983befc sp=0x983bee4 pc=0x80587df
runtime.scanobject(0xa7a2000, 0x942c95c)
	/workdir/go/src/runtime/mgcmark.go:1335 +0x16e fp=0x983bf4c sp=0x983befc pc=0x8064c8e
runtime.gcDrain(0x942c95c, 0x3)
	/workdir/go/src/runtime/mgcmark.go:1103 +0x24f fp=0x983bfb0 sp=0x983bf4c pc=0x80643ef
runtime.gcBgMarkWorker.func2()
	/workdir/go/src/runtime/mgc.go:1339 +0xaf fp=0x983bfdc sp=0x983bfb0 pc=0x805fcef
runtime.systemstack()
	/workdir/go/src/runtime/asm_386.s:370 +0x41 fp=0x983bfe0 sp=0x983bfdc pc=0x80af361

212720  ======
0 : sysmon 1 0xd6c998
1 : traceBuf 23 0xd83f98
2 : traceStackTab 42 0xd73ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7fefe3385c20 sp=0x7fefe3385bf0 pc=0x439e3d
...
	/workdir/go/src/runtime/trace.go:879 +0xc5 fp=0xc000051450 sp=0xc000051408 pc=0x45d825
runtime.StartTrace()
	/workdir/go/src/runtime/trace.go:242 +0xa9 fp=0xc0000514d0 sp=0xc000051450 pc=0x45bc09
runtime/trace.Start({0xb3adc0?, 0xc0000a7560})
	/workdir/go/src/runtime/trace/trace.go:125 +0x97 fp=0xc000051528 sp=0xc0000514d0 pc=0x50bf17
cmd/trace.traceProgram(0xc0002a9380, 0xad1d00, {0x7f636b, 0x7})
	/workdir/go/src/cmd/trace/annotations_test.go:334 +0x5f fp=0xc0000515b0 sp=0xc000051528 pc=0x75031f
cmd/trace.TestFoo(0xc0002a9380)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc000051770 sp=0xc0000515b0 pc=0x752a49
testing.tRunner(0xc0002a9380, 0xad1d08)

212262  ======
0 : sysmon 1 0xd6b998
1 : traceBuf 23 0xd82f98
2 : traceStackTab 42 0xd72ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f91427fbc20 sp=0x7f91427fbbf0 pc=0x439e3d
...
	/workdir/go/src/runtime/trace.go:879 +0xc5 fp=0xc0000d1c50 sp=0xc0000d1c08 pc=0x45d825
runtime.StartTrace()
	/workdir/go/src/runtime/trace.go:242 +0xa9 fp=0xc0000d1cd0 sp=0xc0000d1c50 pc=0x45bc09
runtime/trace.Start({0xb3ada0?, 0xc0002a6660})
	/workdir/go/src/runtime/trace/trace.go:125 +0x97 fp=0xc0000d1d28 sp=0xc0000d1cd0 pc=0x50bf17
cmd/trace.traceProgram(0xc00022a820, 0xad1d00, {0x7f636b, 0x7})
	/workdir/go/src/cmd/trace/annotations_test.go:334 +0x5f fp=0xc0000d1db0 sp=0xc0000d1d28 pc=0x75031f
cmd/trace.TestFoo(0xc00022a820)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc0000d1f70 sp=0xc0000d1db0 pc=0x752a49
testing.tRunner(0xc00022a820, 0xad1d08)

210167  ======
0 : sysmon 1 0xd6b998
1 : traceBuf 23 0xd82f98
2 : traceStackTab 42 0xd72ef8
3 : gscan 34 0x0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x7ff8b0?, 0x45d7e5?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f93d994cc20 sp=0x7f93d994cbf0 pc=0x439e3d
...
	/workdir/go/src/runtime/trace.go:879 +0xc5 fp=0xc00023e450 sp=0xc00023e408 pc=0x45d825
runtime.StartTrace()
	/workdir/go/src/runtime/trace.go:242 +0xa9 fp=0xc00023e4d0 sp=0xc00023e450 pc=0x45bc09
runtime/trace.Start({0xb3ada0?, 0xc000205d70})
	/workdir/go/src/runtime/trace/trace.go:125 +0x97 fp=0xc00023e528 sp=0xc00023e4d0 pc=0x50bf17
cmd/trace.traceProgram(0xc0000d24e0, 0xad1d00, {0x7f636b, 0x7})
	/workdir/go/src/cmd/trace/annotations_test.go:334 +0x5f fp=0xc00023e5b0 sp=0xc00023e528 pc=0x75031f
cmd/trace.TestFoo(0xc0000d24e0)
	/workdir/go/src/cmd/trace/trace_test.go:190 +0x49 fp=0xc00023e770 sp=0xc00023e5b0 pc=0x752a49
testing.tRunner(0xc0000d24e0, 0xad1d08)

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x31c80]

runtime stack:
runtime.throw({0x1a26ae, 0x2a})
	/tmp/gobuilder-mips64/go1.4/src/runtime/panic.go:1198 +0x6c
runtime.sigpanic()
	/tmp/gobuilder-mips64/go1.4/src/runtime/signal_unix.go:719 +0x328
runtime.readgstatus(...)
	/tmp/gobuilder-mips64/go1.4/src/runtime/proc.go:889
runtime.markroot(0xc000028e98, 0x96)
	/tmp/gobuilder-mips64/go1.4/src/runtime/mgcmark.go:198 +0x228
runtime.gcDrain(0xc000028e98, 0x3)
	/tmp/gobuilder-mips64/go1.4/src/runtime/mgcmark.go:1013 +0x534
runtime.gcBgMarkWorker.func2()
	/tmp/gobuilder-mips64/go1.4/src/runtime/mgc.go:1269 +0xe4
runtime.systemstack()
	/tmp/gobuilder-mips64/go1.4/src/runtime/asm_mips64x.s:191 +0x7c

runtime: pointer 0x91e8000 to unallocated span span.base()=0x91e8000 span.limit=0x91f7fff span.state=0
runtime: found in object at *(0x9fb8000+0x3c)
object=0x9fb8000 s.base()=0x9f18000 s.limit=0x9fb8484 s.spanclass=0 s.elemsize=663552 s.state=mSpanInUse
 *(object+0) = 0x0
 *(object+4) = 0x0
 *(object+8) = 0x0
 *(object+12) = 0x0
 *(object+16) = 0x0
 *(object+20) = 0x0
 *(object+24) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x819834d, 0x3e})
	/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x8d89ec4 sp=0x8d89eb0 pc=0x807fd3d
runtime.badPointer(0xef54ea20, 0x91e8000, 0x9fb8000, 0x3c)
	/workdir/go/src/runtime/mbitmap.go:314 +0xa2 fp=0x8d89ee4 sp=0x8d89ec4 pc=0x80589a2
runtime.findObject(0x91e8000, 0x9fb8000, 0x3c)
	/workdir/go/src/runtime/mbitmap.go:357 +0x9f fp=0x8d89efc sp=0x8d89ee4 pc=0x8058bff
runtime.scanobject(0x9fb8000, 0x8828f5c)
...
	/workdir/go/src/compress/flate/deflate.go:666 +0x23 fp=0x89fad30 sp=0x89fad10 pc=0x8136703
compress/flate.testSync(0x8882e10, 0x6, {0x8269086, 0x1, 0x1}, {0x88b8078, 0x2})
	/workdir/go/src/compress/flate/deflate_test.go:265 +0x417 fp=0x89faea0 sp=0x89fad30 pc=0x813e897
compress/flate.testToFromWithLevelAndLimit(0x8882e10, 0x6, {0x8269086, 0x1, 0x1}, {0x88b8078, 0x2}, 0x0)
	/workdir/go/src/compress/flate/deflate_test.go:369 +0x4bc fp=0x89faf14 sp=0x89faea0 pc=0x813faec
compress/flate.testToFromWithLimit(0x8882e10, {0x8269086, 0x1, 0x1}, {0x88b8078, 0x2}, {0x0, 0x0, 0x0, 0x0, ...})
	/workdir/go/src/compress/flate/deflate_test.go:374 +0x65 fp=0x89faf3c sp=0x89faf14 pc=0x813fb65
compress/flate.TestDeflateInflate(0x8882e10)
	/workdir/go/src/compress/flate/deflate_test.go:386 +0x11d fp=0x89faf9c sp=0x89faf3c pc=0x813fd0d
testing.tRunner(0x8882e10, 0x819ab88)

fatal error: runtime·lock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
fatal error: runtime·unlock: lock count
...
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/trace/parser.go:233 +0x1209 fp=0xc00004cb20 sp=0xc00004c8d8 pc=0x51d069
internal/trace.parse({0x5e6720?, 0xc00007c7e0?}, {0x0, 0x0})
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/trace/parser.go:104 +0x37 fp=0xc00004cb90 sp=0xc00004cb20 pc=0x51bc77
internal/trace.Parse({0x5e6720?, 0xc00007c7e0?}, {0x0?, 0x0})
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/internal/trace/parser.go:91 +0x31 fp=0xc00004cbc8 sp=0xc00004cb90 pc=0x51bb71
runtime/trace_test.parseTrace(0xc00023aea0, {0x5e6720?, 0xc00007c7e0?})
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/runtime/trace/trace_test.go:146 +0x50 fp=0xc00004cdc0 sp=0xc00004cbc8 pc=0x5627f0
runtime/trace_test.TestTraceFutileWakeup(0xc00023aea0)
	/var/tmp/workdir-host-illumos-amd64-jclulow/go/src/runtime/trace/trace_test.go:560 +0x3db fp=0xc00004cf70 sp=0xc00004cdc0 pc=0x564e7b
testing.tRunner(0xc00023aea0, 0x5c2540)

unexpected fault address 0x6384f3
fatal error: fault
[signal 0xc0000005 code=0x1 addr=0x6384f3 pc=0x450e27]

99928  ======
0 : trace 42 0x657b20
1 : wbufSpans 39 0x651030
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x553dbd?, 0x0?})
	/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x7f153fffeb58 sp=0x7f153fffeb28 pc=0x4392fd
runtime.checkRanks(0xc0001021a0, 0xc000067000?, 0x4cb503?)
	/workdir/go/src/runtime/lockrank_on.go:156 +0x22d fp=0x7f153fffebb8 sp=0x7f153fffeb58 pc=0x40de8d
...
	/workdir/go/src/runtime/sema.go:160 +0x214 fp=0xc0000afe48 sp=0xc0000afde0 pc=0x44d6f4
runtime.semacquire(...)
	/workdir/go/src/runtime/sema.go:111
runtime.StopTrace()
	/workdir/go/src/runtime/trace.go:395 +0x285 fp=0xc0000afe80 sp=0xc0000afe48 pc=0x45bf65
runtime/trace.Stop()
	/workdir/go/src/runtime/trace/trace.go:148 +0x8e fp=0xc0000afeb8 sp=0xc0000afe80 pc=0x4bec6e
os/signal.TestSignalTrace(0xc000007d40)
	/workdir/go/src/os/signal/signal_test.go:908 +0x21a fp=0xc0000aff70 sp=0xc0000afeb8 pc=0x4e3f9a
testing.tRunner(0xc000007d40, 0x55cc18)

fatal error: unknown runnable goroutine during bootstrap

runtime stack:
runtime.throw({0x6e8761, 0x2b})
	C:/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0x18fed0 sp=0x18febc pc=0x43626d
runtime.schedinit()
	C:/workdir/go/src/runtime/proc.go:738 +0x2ea fp=0x18ff00 sp=0x18fed0 pc=0x43a0aa
runtime.rt0_go()
	C:/workdir/go/src/runtime/asm_386.s:239 +0x15f fp=0x18ff04 sp=0x18ff00 pc=0x461d9f

unexpected fault address 0x80000007
fatal error: fault
[signal 0xc0000005 code=0x0 addr=0x80000007 pc=0x40ef4f]

goroutine 1 [running]:
runtime.throw({0x685b3b, 0x5})
	C:/workdir/go/src/runtime/panic.go:1047 +0x4d fp=0xaca72e4 sp=0xaca72d0 pc=0x43928d
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:270 +0x105 fp=0xaca7308 sp=0xaca72e4 pc=0x44ed35
runtime.mapaccess2_fast32(0x657940, 0xaca74ac, 0xd233)
	C:/workdir/go/src/runtime/map_fast32.go:85 +0x11f fp=0xaca7318 sp=0xaca7308 pc=0x40ef4f
cmd/link/internal/ld.(*stackCheck).check(0xaca7478, 0xd233)
	C:/workdir/go/src/cmd/link/internal/ld/stackcheck.go:145 +0x3a fp=0xaca7378 sp=0xaca7318 pc=0x5d055a
cmd/link/internal/ld.(*Link).doStackCheck(0xad0c000)
	C:/workdir/go/src/cmd/link/internal/ld/stackcheck.go:79 +0x1db fp=0xaca74cc sp=0xaca7378 pc=0x5d00cb
cmd/link/internal/ld.Main(0x8479e0, {0x10, 0x20, 0x1, 0x4, 0x8, 0x0, {0x0, 0x0}, {0x68d080, ...}, ...})
	C:/workdir/go/src/cmd/link/internal/ld/main.go:288 +0x12b8 fp=0xaca761c sp=0xaca74cc pc=0x5c18e8
main.main()
	C:/workdir/go/src/cmd/link/main.go:72 +0xa73 fp=0xaca7fc4 sp=0xaca761c pc=0x638563
runtime.main()
	C:/workdir/go/src/runtime/proc.go:250 +0x22e fp=0xaca7ff0 sp=0xaca7fc4 pc=0x43be5e
runtime.goexit()
	C:/workdir/go/src/runtime/asm_386.s:1326 +0x1 fp=0xaca7ff4 sp=0xaca7ff0 pc=0x468311

runtime: pointer 0x1068293a0 to unused region of span span.base()=0x106818000 span.limit=0x106828950 span.state=1
runtime: found in object at *(0x1313a0000+0x3920)
object=0x1313a0000 s.base()=0x1313a0000 s.limit=0x1313bb580 s.spanclass=0 s.elemsize=114688 s.state=mSpanInUse
 *(object+0) = 0x1065396f4
 *(object+8) = 0x1a
 *(object+16) = 0x0
 *(object+24) = 0x0
 *(object+32) = 0x0
 *(object+40) = 0x0
 *(object+48) = 0x0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x10262a73f?, 0x6?})
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/panic.go:1047 +0x40 fp=0x16d9eac60 sp=0x16d9eac30 pc=0x10244cb00
runtime.badPointer(0x106637a18, 0x130033238?, 0x1313a0000, 0x102436c68?)
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/mbitmap.go:314 +0x120 fp=0x16d9eacb0 sp=0x16d9eac60 pc=0x10242c230
runtime.findObject(0x106818000?, 0x10245bf9c?, 0x16d9ead28?)
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/mbitmap.go:357 +0xb8 fp=0x16d9eacf0 sp=0x16d9eacb0 pc=0x10242c398
runtime.scanobject(0x1313a0000, 0x130033238)
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/mgcmark.go:1335 +0x138 fp=0x16d9ead80 sp=0x16d9eacf0 pc=0x102436cb8
runtime.gcDrain(0x130033238, 0x7)
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/mgcmark.go:1103 +0x1b4 fp=0x16d9eade0 sp=0x16d9ead80 pc=0x1024364e4
runtime.gcBgMarkWorker.func2()
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/mgc.go:1367 +0x74 fp=0x16d9eae30 sp=0x16d9eade0 pc=0x1024329d4
runtime.systemstack()
	/tmp/workdir-host-ios-arm64-corellium-ios/go/src/runtime/asm_arm64.s:243 +0x6c fp=0x16d9eae40 sp=0x16d9eae30 pc=0x10247b31c

unexpected fault address 0xffffcabbb5d0
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffcabbb5d0 pc=0x73088]

goroutine 87 [running]:
runtime.throw({0x26e5f2?, 0x10724c?})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x40 fp=0x40048cecd0 sp=0x40048ceca0 pc=0x42c90
runtime.sigpanic()
	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:851 +0x1a8 fp=0x40048ced10 sp=0x40048cecd0 pc=0x598e8
runtime.memmove()
	/var/gobuilder/buildlet/go/src/runtime/memmove_arm64.s:96 +0xb8 fp=0x40048ced20 sp=0x40048ced20 pc=0x73088
cmd/link/internal/loader.(*SymbolBuilder).SetBytesAt(...)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/loader/symbolbuilder.go:350
cmd/link/internal/ld.(*pclntab).generatePctab.func2(0x2332e0?, 0x400006c810?)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/pcln.go:519 +0x108 fp=0x40048cedd0 sp=0x40048ced20 pc=0x1a4a88
cmd/link/internal/ld.writeBlock(0x400013e000, 0x0?, 0x40006c0000, {0x40019f8420, 0x1054, 0x0?}, 0x0?, 0x0?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1005 +0x300 fp=0x40048ceef0 sp=0x40048cedd0 pc=0x153d20
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x0?, {0x40019f8420?, 0x0?, 0x0?}, 0x0?, 0x0?, {0x471f80?, 0x0?, 0x0?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x40048cef70 sp=0x40048ceef0 pc=0x153994
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x40048cefd0 sp=0x40048cef70 pc=0x1538f4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x40048cefd0 sp=0x40048cefd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

unexpected fault address 0xffffcdb70000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffcdb70000 pc=0x73168]

goroutine 50 [running]:
runtime.throw({0x26e5f2?, 0x10724c?})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x40 fp=0x400162ed00 sp=0x400162ecd0 pc=0x42c90
runtime.sigpanic()
	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:851 +0x1a8 fp=0x400162ed40 sp=0x400162ed00 pc=0x598e8
runtime.memmove()
	/var/gobuilder/buildlet/go/src/runtime/memmove_arm64.s:175 +0x198 fp=0x400162ed50 sp=0x400162ed50 pc=0x73168
cmd/link/internal/ld.(*OutBuf).WriteSym(0x400053e000, 0x4000586000, 0x1b2b9?)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/outbuf.go:314 +0x160 fp=0x400162edd0 sp=0x400162ed50 pc=0x1a1b10
cmd/link/internal/ld.writeBlock(0x400013e000, 0x0?, 0x4000586000, {0x400189b8e8, 0xf4c, 0x0?}, 0x0?, 0x15c770?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1002 +0x2b4 fp=0x400162eef0 sp=0x400162edd0 pc=0x153cd4
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x400013e000?, {0x400189b8e8?, 0x4001120ce0?, 0x2?}, 0x2?, 0x27?, {0x471f80?, 0x4001120de0?, 0x4000b74f00?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x400162ef70 sp=0x400162eef0 pc=0x153994
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x400162efd0 sp=0x400162ef70 pc=0x1538f4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x400162efd0 sp=0x400162efd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

unexpected fault address 0xffffc535eb86
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffc535eb86 pc=0x73038]

goroutine 68 [running]:
runtime.throw({0x26e5f2?, 0x10724c?})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x40 fp=0x4000d5fcd0 sp=0x4000d5fca0 pc=0x42c90
runtime.sigpanic()
	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:851 +0x1a8 fp=0x4000d5fd10 sp=0x4000d5fcd0 pc=0x598e8
runtime.memmove()
	/var/gobuilder/buildlet/go/src/runtime/memmove_arm64.s:67 +0x68 fp=0x4000d5fd20 sp=0x4000d5fd20 pc=0x73038
cmd/link/internal/loader.(*SymbolBuilder).SetBytesAt(...)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/loader/symbolbuilder.go:350
cmd/link/internal/ld.(*pclntab).generatePctab.func2(0x2332e0?, 0x400006c810?)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/pcln.go:519 +0x108 fp=0x4000d5fdd0 sp=0x4000d5fd20 pc=0x1a4a88
cmd/link/internal/ld.writeBlock(0x400013e000, 0x4000d72070?, 0x4000174000, {0x40021d5668, 0xb4a, 0x400013ac40?}, 0x400012e0a0?, 0x4000174000?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1005 +0x300 fp=0x4000d5fef0 sp=0x4000d5fdd0 pc=0x153d20
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x72714?, {0x40021d5668?, 0x72718?, 0x23d72?}, 0x23d73?, 0x23d74?, {0x471f80?, 0x4000d3c270?, 0x40018e27b0?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x4000d5ff70 sp=0x4000d5fef0 pc=0x153994
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x4000d5ffd0 sp=0x4000d5ff70 pc=0x1538f4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x4000d5ffd0 sp=0x4000d5ffd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

unexpected fault address 0xffffcd7dc000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffcd7dc000 pc=0x73160]

goroutine 84 [running]:
runtime.throw({0x26e5f2?, 0x10724c?})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x40 fp=0x400187ed00 sp=0x400187ecd0 pc=0x42c90
runtime.sigpanic()
	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:851 +0x1a8 fp=0x400187ed40 sp=0x400187ed00 pc=0x598e8
runtime.memmove()
	/var/gobuilder/buildlet/go/src/runtime/memmove_arm64.s:173 +0x190 fp=0x400187ed50 sp=0x400187ed50 pc=0x73160
cmd/link/internal/ld.(*OutBuf).WriteSym(0x40013661c0, 0x400009c000, 0x196e6?)
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/outbuf.go:314 +0x160 fp=0x400187edd0 sp=0x400187ed50 pc=0x1a1b10
cmd/link/internal/ld.writeBlock(0x400013e000, 0x0?, 0x400009c000, {0x4001862878, 0x7ba, 0x0?}, 0x0?, 0x15c770?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1002 +0x2b4 fp=0x400187eef0 sp=0x400187edd0 pc=0x153cd4
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x400013e000?, {0x4001862878?, 0x40008a9000?, 0x543?}, 0x700?, 0x9?, {0x471f80?, 0x4000ab59e0?, 0x4000166500?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x400187ef70 sp=0x400187eef0 pc=0x153994
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x400187efd0 sp=0x400187ef70 pc=0x1538f4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x400187efd0 sp=0x400187efd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

unexpected fault address 0xffffbcce7000
fatal error: fault
unexpected fault address 0xffffbcbff000
fatal error: fault
unexpected fault address 0xffffbc99b000
fatal error: fault
unexpected fault address 0xffffbcb17000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffbcce7000 pc=0x73168]

...
cmd/link/internal/ld.writeBlock(0x400013e000, 0x0?, 0x4000192000, {0x4002879a18, 0x78a6, 0x0?}, 0x0?, 0x15c530?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1002 +0x2b4 fp=0x4000098ef0 sp=0x4000098dd0 pc=0x153a94
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x400013e000?, {0x4002879a18?, 0x72718?, 0x1?}, 0x1?, 0x15?, {0x471f80?, 0x40019b7880?, 0x4000b5aa00?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x4000098f70 sp=0x4000098ef0 pc=0x153754
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x4000098fd0 sp=0x4000098f70 pc=0x1536b4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x4000098fd0 sp=0x4000098fd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

unexpected fault address 0xffffbc9bf000
fatal error: fault
unexpected fault address 0xffffbc877000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x1 addr=0xffffbc9bf000 pc=0x73168]

goroutine 141 [running]:
runtime.throw({0x26e5f2?, 0x10724c?})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x40 fp=0x4000037d00 sp=0x4000037cd0 pc=0x42c90
runtime.sigpanic()
...
cmd/link/internal/ld.writeBlock(0x400013e000, 0x0?, 0x4000586000, {0x400279b9f0, 0x78ab, 0x0?}, 0x0?, 0x15c530?, {0x471f80, 0x200, ...})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:1002 +0x2b4 fp=0x40000c4ef0 sp=0x40000c4dd0 pc=0x153a94
cmd/link/internal/ld.writeBlocks.func1(0x0?, 0x400013e000?, {0x400279b9f0?, 0x40019457d0?, 0x2?}, 0x2?, 0x19?, {0x471f80?, 0x4001945880?, 0x40009ef900?})
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:959 +0x64 fp=0x40000c4f70 sp=0x40000c4ef0 pc=0x153754
cmd/link/internal/ld.writeBlocks.func2()
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:962 +0x54 fp=0x40000c4fd0 sp=0x40000c4f70 pc=0x1536b4
runtime.goexit()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm64.s:1172 +0x4 fp=0x40000c4fd0 sp=0x40000c4fd0 pc=0x72714
created by cmd/link/internal/ld.writeBlocks
	/var/gobuilder/buildlet/go/src/cmd/link/internal/ld/data.go:958 +0x4dc

--- FAIL: TestRecoverBeforePanicAfterGoexit2 (69.55s)
    crash_test.go:58: /tmp/gobuilder-mips64le/tmp/go-build3305139991/testprog.exe RecoverBeforePanicAfterGoexit2: exit status 2
    crash_test.go:468: output does not start with "fatal error: no goroutines (main called runtime.Goexit) - deadlock!":

runtime: bad pointer in frame os/user.lookupUnixGid at 0xc000104e00: 0x78
fatal error: invalid pointer found on stack

runtime stack:
runtime.throw({0x1767a6, 0x1e})
	/data/golang/workdir/go/src/runtime/panic.go:1047 +0x58 fp=0x3ffcf4fedf0 sp=0x3ffcf4fedc8 pc=0x50538
runtime.adjustpointers(0xc000104de8, 0x3ffcf4feee0, 0x3ffcf4ff2c0, {0x235b28, 0x2476e0})
	/data/golang/workdir/go/src/runtime/stack.go:632 +0x2b0 fp=0x3ffcf4fee50 sp=0x3ffcf4fedf0 pc=0x6cf00
runtime.adjustframe(0x3ffcf4ff1e8, 0x3ffcf4ff2c0)
	/data/golang/workdir/go/src/runtime/stack.go:674 +0x10e fp=0x3ffcf4fef00 sp=0x3ffcf4fee50 pc=0x6d01e
...
	/data/golang/workdir/go/src/os/user/cgo_lookup_unix.go:184 +0x66 fp=0xc000104da0 sp=0xc000104d40 pc=0x130866
os/user.lookupUnixGid(0x0)
	/data/golang/workdir/go/src/os/user/cgo_lookup_unix.go:120 +0x8c fp=0xc000104e58 sp=0xc000104da0 pc=0x13042c
os/user.lookupGroupId({0x177dee, 0x1})
	/data/golang/workdir/go/src/os/user/cgo_lookup_unix.go:113 +0x78 fp=0xc000104e88 sp=0xc000104e58 pc=0x130368
os/user.LookupGroupId(...)
	/data/golang/workdir/go/src/os/user/lookup.go:64
os/user.TestLookupGroup(0xc000083520)
	/data/golang/workdir/go/src/os/user/user_test.go:110 +0x120 fp=0xc000104f68 sp=0xc000104e88 pc=0x131e00
testing.tRunner(0xc000083520, 0x17be40)

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x2dee8]

runtime stack:
runtime.throw({0x98e06e, 0x2a})
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/panic.go:1198 +0x5c
runtime.sigpanic()
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/signal_unix.go:719 +0x248
runtime.readgstatus(...)
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/proc.go:889
runtime.markroot(0xc000031e98, 0x2d)
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/mgcmark.go:198 +0x188
runtime.gcDrain(0xc000031e98, 0x3)
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/mgcmark.go:1013 +0x450
runtime.gcBgMarkWorker.func2()
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/mgc.go:1269 +0xb4
runtime.systemstack()
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/runtime/asm_ppc64x.s:250 +0x68

goroutine 34 [running]:
	goroutine running on other thread; stack unavailable
created by cmd/compile/internal/gc.compileFunctions.func3
	/tmp/genbootstrap-3894857761/go-linux-ppc64-bootstrap/src/cmd/compile/internal/gc/compile.go:138 +0x48

runtime: bad pointer in frame os/user.lookupUnixUid at 0x43bd24: 0x6
fatal error: invalid pointer found on stack

runtime stack:
runtime.throw({0x20cd72, 0x1e})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x4c fp=0x729adae4 sp=0x729adad0 pc=0x4b870
runtime.adjustpointers(0x43bcfc, 0x729adb74, 0x729addd4, {0x33992c, 0x344c60})
	/var/gobuilder/buildlet/go/src/runtime/stack.go:630 +0x258 fp=0x729adb2c sp=0x729adae4 pc=0x67cc0
runtime.adjustframe(0x729add64, 0x729addd4)
	/var/gobuilder/buildlet/go/src/runtime/stack.go:672 +0xcc fp=0x729adb84 sp=0x729adb2c pc=0x67db4
...
	/var/gobuilder/buildlet/go/src/os/user/lookup.go:15 +0x24 fp=0x43bdcc sp=0x43bdb8 pc=0x1839a0
os/user.LookupId({0x20f20e, 0x1})
	/var/gobuilder/buildlet/go/src/os/user/lookup.go:42 +0x14 fp=0x43bdf0 sp=0x43bdcc pc=0x183a74
archive/tar.statUnix({0x258118, 0x4c4300}, 0xb1eaa0)
	/var/gobuilder/buildlet/go/src/archive/tar/stat_unix.go:39 +0xfc fp=0x43be5c sp=0x43bdf0 pc=0x193400
archive/tar.FileInfoHeader({0x258118, 0x4c4300}, {0x0, 0x0})
	/var/gobuilder/buildlet/go/src/archive/tar/common.go:705 +0x56c fp=0x43bef8 sp=0x43be5c pc=0x18d5c0
archive/tar.TestFileInfoHeader(0x482690)
	/var/gobuilder/buildlet/go/src/archive/tar/tar_test.go:216 +0xc0 fp=0x43bf98 sp=0x43bef8 pc=0x1b0cd8
testing.tRunner(0x482690, 0x216408)

runtime: bad pointer in frame os/user.lookupUnixUid at 0x43cd24: 0x6
fatal error: invalid pointer found on stack

runtime stack:
runtime.throw({0x20cd72, 0x1e})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x4c fp=0x7fffcfd4 sp=0x7fffcfc0 pc=0x4b8d8
runtime.adjustpointers(0x43ccfc, 0x7fffd064, 0x7fffd2c4, {0x339a80, 0x344c60})
	/var/gobuilder/buildlet/go/src/runtime/stack.go:630 +0x258 fp=0x7fffd01c sp=0x7fffcfd4 pc=0x67da4
runtime.adjustframe(0x7fffd254, 0x7fffd2c4)
	/var/gobuilder/buildlet/go/src/runtime/stack.go:672 +0xcc fp=0x7fffd074 sp=0x7fffd01c pc=0x67e98
...
	/var/gobuilder/buildlet/go/src/os/user/lookup.go:15 +0x24 fp=0x43cdcc sp=0x43cdb8 pc=0x183a58
os/user.LookupId({0x20f20e, 0x1})
	/var/gobuilder/buildlet/go/src/os/user/lookup.go:42 +0x14 fp=0x43cdf0 sp=0x43cdcc pc=0x183b2c
archive/tar.statUnix({0x258130, 0x9c6300}, 0xc98f00)
	/var/gobuilder/buildlet/go/src/archive/tar/stat_unix.go:39 +0xfc fp=0x43ce5c sp=0x43cdf0 pc=0x1934b8
archive/tar.FileInfoHeader({0x258130, 0x9c6300}, {0x0, 0x0})
	/var/gobuilder/buildlet/go/src/archive/tar/common.go:705 +0x56c fp=0x43cef8 sp=0x43ce5c pc=0x18d678
archive/tar.TestFileInfoHeader(0x901c20)
	/var/gobuilder/buildlet/go/src/archive/tar/tar_test.go:216 +0xc0 fp=0x43cf98 sp=0x43cef8 pc=0x1b0d90
testing.tRunner(0x901c20, 0x216408)

runtime: pointer 0xc0037fe000 to unused region of span span.base()=0xc0037fe000 span.limit=0xc0037fffe0 span.state=1
runtime: found in object at *(0xc0028f6000+0x9848)
object=0xc0028f6000 s.base()=0xc0028d6000 s.limit=0xc002900000 s.spanclass=0 s.elemsize=172032 s.state=mSpanInUse
 *(object+0) = 0xc002876180
 *(object+8) = 0xc0028761b0
 *(object+16) = 0xc0028761e0
 *(object+24) = 0xc002876210
 *(object+32) = 0xc002876240
 *(object+40) = 0xc0028762a0
 *(object+48) = 0xc0028762d0
...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw({0x1229b56?, 0x6?})
	/tmp/buildlet/go/src/runtime/panic.go:1047 +0x5d fp=0x700006fcdd90 sp=0x700006fcdd60 pc=0x10352dd
runtime.badPointer(0x2552118, 0x700006fcde08?, 0xc0028f6000, 0x700006fcde58?)
	/tmp/buildlet/go/src/runtime/mbitmap.go:314 +0x150 fp=0x700006fcdde0 sp=0x700006fcdd90 pc=0x1014170
runtime.findObject(0xc0022caea0?, 0x1028999?, 0x1055746?)
	/tmp/buildlet/go/src/runtime/mbitmap.go:357 +0xa6 fp=0x700006fcde18 sp=0x700006fcdde0 pc=0x1014306
runtime.scanobject(0xc000030138?, 0xc000030138)
...
	/tmp/buildlet/go/src/os/exec/exec.go:590 +0x39 fp=0xc00008fc00 sp=0xc00008fbe0 pc=0x10e5119
os/exec.(*Cmd).CombinedOutput(0xc000172840)
	/tmp/buildlet/go/src/os/exec/exec.go:1005 +0xa8 fp=0xc00008fc28 sp=0xc00008fc00 pc=0x10e6d48
cmd/link/internal/ld.gobuildTestdata(0xc0004f7ba0, {0xc00015c5a0?, 0xc0004f7a00?}, {0xc00015c640, 0x42}, {0x121413d, 0x9})
	/tmp/buildlet/go/src/cmd/link/internal/ld/dwarf_test.go:126 +0x1b2 fp=0xc00008fd08 sp=0xc00008fc28 pc=0x119c1b2
cmd/link/internal/ld.abstractOriginSanity(0xc0004f7ba0, {0xc00001e240, 0x3d}, {0x121413d, 0x9})
	/tmp/buildlet/go/src/cmd/link/internal/ld/dwarf_test.go:595 +0x118 fp=0xc00008fef0 sp=0xc00008fd08 pc=0x119ef58
cmd/link/internal/ld.TestAbstractOriginSanityIssue25459(0xc0004f7ba0)
	/tmp/buildlet/go/src/cmd/link/internal/ld/dwarf_test.go:693 +0xf1 fp=0xc00008ff70 sp=0xc00008fef0 pc=0x119f971
testing.tRunner(0xc0004f7ba0, 0x122d478)

60879  ======
0 : pollDesc 8 0x7fdcf0642a90
1 : prof 22 0x84c5c0
fatal error: lock ordering problem

runtime stack:
runtime.throw({0x67a36f?, 0x0?})
	/workdir/go/src/runtime/panic.go:992 +0x71 fp=0x7fdce8ff8de0 sp=0x7fdce8ff8db0 pc=0x438c11
runtime.checkRanks(0xc0005f3a00, 0x0?, 0x81bd78?)
	/workdir/go/src/runtime/lockrank_on.go:151 +0x205 fp=0x7fdce8ff8e40 sp=0x7fdce8ff8de0 pc=0x40d985
runtime.lockWithRank.func1()
	/workdir/go/src/runtime/lockrank_on.go:78 +0x87 fp=0x7fdce8ff8e70 sp=0x7fdce8ff8e40 pc=0x40d607
runtime.systemstack()
	/workdir/go/src/runtime/asm_amd64.s:469 +0x49 fp=0x7fdce8ff8e78 sp=0x7fdce8ff8e70 pc=0x468629

runtime.gopark(0x48?, 0x668fa0?, 0x40?, 0x34?, 0x40ffa5?)
	/workdir/go/src/runtime/proc.go:361 +0xd6 fp=0xc00048dda8 sp=0xc00048dd88 pc=0x43b736
runtime.goparkunlock(...)
	/workdir/go/src/runtime/proc.go:367
runtime.semacquire1(0xc0000cef48, 0xd8?, 0x1, 0x0)
	/workdir/go/src/runtime/sema.go:144 +0x1fb fp=0xc00048de10 sp=0xc00048dda8 pc=0x44c53b
sync.runtime_Semacquire(0xc00008a6d8?)
	/workdir/go/src/runtime/sema.go:56 +0x25 fp=0xc00048de40 sp=0xc00048de10 pc=0x466bc5
sync.(*WaitGroup).Wait(0xc00008a618?)
	/workdir/go/src/sync/waitgroup.go:136 +0x52 fp=0xc00048de68 sp=0xc00048de40 pc=0x472292
net.TestConcurrentSetDeadline(0xc0005f3380)
	/workdir/go/src/net/timeout_test.go:1152 +0x3df fp=0xc00048df70 sp=0xc00048de68 pc=0x5f295f
testing.tRunner(0xc0005f3380, 0x688ae8)

fatal error: index out of range

runtime stack:
runtime.throw({0x63d1b7, 0x12})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:1047 +0x4c fp=0x7fffd394 sp=0x7fffd380 pc=0x4b2ac
runtime.panicCheck1(0x3b088, {0x63d1b7, 0x12})
	/var/gobuilder/buildlet/go/src/runtime/panic.go:57 +0xb0 fp=0x7fffd3a8 sp=0x7fffd394 pc=0x48938
runtime.goPanicIndex(0x21401a6, 0x1fc)
	/var/gobuilder/buildlet/go/src/runtime/panic.go:112 +0x2c fp=0x7fffd3c8 sp=0x7fffd3a8 pc=0x489d4
runtime.(*gcWork).put(0xc2c25c, 0xc98000)
	/var/gobuilder/buildlet/go/src/runtime/mgcwork.go:136 +0xf4 fp=0x7fffd3d8 sp=0x7fffd3c8 pc=0x3b088
runtime.greyobject(0xc98000, 0xa0d360, 0x8, 0x7bc52ff8, 0xc2c25c, 0x0)
	/var/gobuilder/buildlet/go/src/runtime/mgcmark.go:1506 +0x1d8 fp=0x7fffd3f8 sp=0x7fffd3d8 pc=0x33188
runtime.scanblock(0xa0d360, 0x12eac, 0x7bc544fd, 0xc2c25c, 0x0)
	/var/gobuilder/buildlet/go/src/runtime/mgcmark.go:1238 +0x120 fp=0x7fffd424 sp=0x7fffd3f8 pc=0x32a68
runtime.markrootBlock(0xa0d360, 0x12eac, 0x7bc544fd, 0xc2c25c, 0x0)
	/var/gobuilder/buildlet/go/src/runtime/mgcmark.go:284 +0x74 fp=0x7fffd440 sp=0x7fffd424 pc=0x2ffd0
runtime.markroot(0xc2c25c, 0x3, 0x1)
	/var/gobuilder/buildlet/go/src/runtime/mgcmark.go:176 +0x434 fp=0x7fffd49c sp=0x7fffd440 pc=0x2fc8c
runtime.gcDrain(0xc2c25c, 0x7)
	/var/gobuilder/buildlet/go/src/runtime/mgcmark.go:1069 +0x58c fp=0x7fffd4e4 sp=0x7fffd49c pc=0x32494
runtime.gcBgMarkWorker.func2()
	/var/gobuilder/buildlet/go/src/runtime/mgc.go:1367 +0x7c fp=0x7fffd510 sp=0x7fffd4e4 pc=0x2d11c
runtime.systemstack()
	/var/gobuilder/buildlet/go/src/runtime/asm_arm.s:317 +0x60 fp=0x7fffd514 sp=0x7fffd510 pc=0x7ddd8

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x11c pc=0x61864]

runtime stack:
runtime.throw({0x746387?, 0x2?})
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/panic.go:1047 +0x44 fp=0xad293c40 sp=0xad293c18 pc=0x484c4
runtime.sigpanic()
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/signal_unix.go:821 +0x26c fp=0xad293c70 sp=0xad293c40 pc=0x5f274
runtime.adjustpointer(...)
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/stack.go:571
runtime.adjustdefers(0x8000?, 0xac3f9040?)
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/stack.go:763 +0x34 fp=0xad293c78 sp=0xad293c78 pc=0x61864
runtime.copystack(0xac3f9040, 0x8000)
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/stack.go:919 +0x1e0 fp=0xad293e20 sp=0xad293c78 pc=0x61c88
runtime.newstack()
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/stack.go:1112 +0x358 fp=0xad293fc8 sp=0xad293e20 pc=0x62138
runtime.morestack()
	/tmp/workdir-host-freebsd-riscv64-unmatched/go/src/runtime/asm_riscv64.s:204 +0x58 fp=0xad293fd0 sp=0xad293fc8 pc=0x76ae0

vcs-test.golang.org rerouted to http://127.0.0.1:54291
https://vcs-test.golang.org rerouted to https://127.0.0.1:54290
go test proxy running at GOPROXY=http://127.0.0.1:54289/mod
fatal error: runtime.SetFinalizer: finalizer already set

runtime stack:
runtime.throw({0xb84f6e?, 0xbd9d78?})
	/tmp/workdir/go/src/runtime/panic.go:1047 +0x5d fp=0x70ddcbfcfef8 sp=0x70ddcbfcfec8 pc=0x43821d
runtime.SetFinalizer.func2()
	/tmp/workdir/go/src/runtime/mfinal.go:478 +0x54 fp=0x70ddcbfcff30 sp=0x70ddcbfcfef8 pc=0x41ac14
...
	/tmp/workdir/go/src/testing/testing.go:1095 +0x4a fp=0xc0007dfd08 sp=0xc0007dfcb0 pc=0x52bcaa
testing.(*common).Skip(0xc0003dc000, {0xc000112270?, 0xa98cc0?, 0x125f001?})
	/tmp/workdir/go/src/testing/testing.go:1071 +0x58 fp=0xc0007dfd60 sp=0xc0007dfd08 pc=0x52ba58
testing.(*T).Skip(0xc84940?, {0xc000112270?, 0xaae120?, 0xc000112260?})
	<autogenerated>:1 +0x29 fp=0xc0007dfd90 sp=0xc0007dfd60 pc=0x533349
cmd/go/internal/script/scripttest.Run({0xc8e148, 0xc0003dc000}, 0xb60533?, 0xc0002b7ee8?, {0xc0005157d0, 0xf}, {0xc84480, 0xc000e4c1e0})
	/tmp/workdir/go/src/cmd/go/internal/script/scripttest/scripttest.go:94 +0x12e fp=0xc0007dfe10 sp=0xc0007dfd90 pc=0xa2a2ee
cmd/go_test.TestScript.func3(0xc0003dc000)
	/tmp/workdir/go/src/cmd/go/script_test.go:154 +0x60d fp=0xc0007dff70 sp=0xc0007dfe10 pc=0xa4734d
testing.tRunner(0xc0003dc000, 0xc00032d360)

--- FAIL: TestStackSwitchCallback (0.02s)
    crash_cgo_test.go:888: /workdir/tmp/go-build1249108805/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f77e4018af0 0x7f77e4020ef0], sp=0x7f77dfffed68, called from
        runtime.acquireLockRank.func1()
        	/workdir/go/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f77dfffed70 sp=0x7f77dfffed68 pc=0x40f6e5
        runtime.acquireLockRank(0x0?)
        	/workdir/go/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f77dfffeda0 sp=0x7f77dfffed70 pc=0x40f61e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
        	/workdir/go/src/runtime/proc.go:1113 +0x65 fp=0x7f77dfffede8 sp=0x7f77dfffeda0 pc=0x4427a5
        runtime.dropm()
...
        fatal error: morestack on g0

        runtime stack:
        runtime.throw({0x575a73?, 0x0?})
        	/workdir/go/src/runtime/panic.go:1011 +0x5c fp=0xc00002bf88 sp=0xc00002bf58 pc=0x43d8fc
        runtime.badmorestackg0.func1()
        	/workdir/go/src/runtime/proc.go:533 +0xe5 fp=0xc00002bfe0 sp=0xc00002bf88 pc=0x441165
        runtime.switchToCrashStack0()
        	/workdir/go/src/runtime/asm_amd64.s:559 +0x32 fp=0xc00002bff0 sp=0xc00002bfe0 pc=0x475492

...

        goroutine 5 gp=0xc0000ac000 m=nil [finalizer wait]:
        runtime.gopark(0xc00005c650?, 0x40fcde?, 0x38?, 0xc6?, 0x40fd00?)
        	/workdir/go/src/runtime/proc.go:402 +0xce fp=0xc00005c620 sp=0xc00005c600 pc=0x4408ce
        runtime.runfinq()
        	/workdir/go/src/runtime/mfinal.go:194 +0x111 fp=0xc00005c7e0 sp=0xc00005c620 pc=0x41d811
        runtime.goexit({})
        	/workdir/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc00005c7e8 sp=0xc00005c7e0 pc=0x4773c1
        created by runtime.createfing in goroutine 1
        	/workdir/go/src/runtime/mfinal.go:164 +0x3d

Exception 0x200c7 0xefdfcfe8 0xcc483ff 0x0
PC=0x0

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x0 pc=0xcd18de]

runtime stack:
runtime.throw({0xde9857, 0x2a})
	C:/workdir/go/src/runtime/panic.go:1011 +0x4d fp=0x22aef790 sp=0x22aef77c pc=0xca819d
runtime.sigpanic()
...
	C:/workdir/go/src/runtime/proc.go:402 +0xfd fp=0x1917f8c sp=0x1917f78 pc=0xcaafed
runtime.gcBgMarkWorker(0x1908000)
	C:/workdir/go/src/runtime/mgc.go:1333 +0xe2 fp=0x1917fe8 sp=0x1917f8c pc=0xc873a2
runtime.gcBgMarkStartWorkers.gowrap1()
	C:/workdir/go/src/runtime/mgc.go:1249 +0x25 fp=0x1917ff0 sp=0x1917fe8 pc=0xc872a5
runtime.goexit({})
	C:/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x1917ff4 sp=0x1917ff0 pc=0xcdf811
created by runtime.gcBgMarkStartWorkers in goroutine 41
	C:/workdir/go/src/runtime/mgc.go:1249 +0x11a
*** Test killed: ran too long (11m0s).

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x11 pc=0xac629e]

runtime stack:
runtime.throw({0xbf0305?, 0x0?})
	C:/workdir/go/src/runtime/panic.go:1011 +0x65 fp=0x4a17fff198 sp=0x4a17fff168 pc=0xacb505
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:395 +0x265 fp=0x4a17fff1e0 sp=0x4a17fff198 pc=0xae2825
runtime/internal/atomic.(*Uintptr).Load(...)
	C:/workdir/go/src/runtime/internal/atomic/types.go:359
...
internal/poll_test.TestConsume(0xc000129380)
	C:/workdir/go/src/internal/poll/writev_test.go:58 +0x988 fp=0xc000063f70 sp=0xc000063c80 pc=0xbaaaa8
testing.tRunner(0xc000129380, 0xbf3788)
	C:/workdir/go/src/testing/testing.go:1689 +0xfb fp=0xc000063fc0 sp=0xc000063f70 pc=0xb6ac9b
testing.(*T).Run.gowrap1()
	C:/workdir/go/src/testing/testing.go:1742 +0x25 fp=0xc000063fe0 sp=0xc000063fc0 pc=0xb6bcc5
runtime.goexit({})
	C:/workdir/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc000063fe8 sp=0xc000063fe0 pc=0xb035a1
created by testing.(*T).Run in goroutine 1
	C:/workdir/go/src/testing/testing.go:1742 +0x390

=== RUN   TestPanicWithDirectlyPrintableCustomTypes/panicCustomInt8
    panic_test.go:42: /opt/s/w/ir/x/t/go-build2067687639/testprog.exe panicCustomInt8: exit status 2
    panic_test.go:44: "panic: main.MyInt8(93)"
        is not present in
        fatal error: schedule: holding locks
        panic: main.MyInt8(93)
        
        goroutine 1 [running]:
        main.panicCustomInt8()
        	/opt/s/w/ir/x/w/goroot/src/runtime/testdata/testprog/panicprint.go:46 +0x3c
...
        	/opt/s/w/ir/x/w/goroot/src/runtime/preempt_arm64.s:47 +0x9c fp=0x1400004e570 sp=0x1400004e380 pc=0x1021678fc
        runtime.gopark(0x60, 0x128f51ae8, 0xc8, 0xe5, 0x1021103e4)
        	/opt/s/w/ir/x/w/goroot/src/runtime/proc.go:385 +0xc fp=0x1400004e580 sp=0x1400004e580 pc=0x10213567c
        runtime.runfinq()
        	/opt/s/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x108 fp=0x1400004e7d0 sp=0x1400004e580 pc=0x102113ac8
        runtime.goexit({})
        	/opt/s/w/ir/x/w/goroot/src/runtime/asm_arm64.s:1222 +0x4 fp=0x1400004e7d0 sp=0x1400004e7d0 pc=0x102166d64
        created by runtime.createfing in goroutine 1
        	/opt/s/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x80
--- FAIL: TestPanicWithDirectlyPrintableCustomTypes/panicCustomInt8 (0.04s)

=== RUN   TestRead/SpecialFile
[signal 0xc0000005 code=0x0 addr=0x11 pc=0x88629e]

runtime stack:
runtime.throw({0x9b0305?, 0x0?})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1011 +0x65 fp=0xf2addfec50 sp=0xf2addfec20 pc=0x88b505
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x265 fp=0xf2addfec98 sp=0xf2addfec50 pc=0x8a2825
runtime/internal/atomic.(*Uintptr).Load(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/internal/atomic/types.go:359
...
created by testing.(*T).Run in goroutine 1
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x390

goroutine 28 gp=0xc000084700 m=nil [runnable]:
testing.(*T).Run.gowrap1()
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 fp=0xc0000f5fe0 sp=0xc0000f5fd8 pc=0x92bca0
runtime.goexit({})
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000f5fe8 sp=0xc0000f5fe0 pc=0x8c35a1
created by testing.(*T).Run in goroutine 40
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x390

=== RUN   TestRead/SpecialFile
[signal 0xc0000005 code=0x0 addr=0x11 pc=0xe7629e]

runtime stack:
runtime.throw({0xfa0305?, 0x0?})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1011 +0x65 fp=0x1b85dfecf0 sp=0x1b85dfecc0 pc=0xe7b505
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x265 fp=0x1b85dfed38 sp=0x1b85dfecf0 pc=0xe92825
runtime/internal/atomic.(*Uintptr).Load(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/internal/atomic/types.go:359
...
created by testing.(*T).Run in goroutine 1
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x390

goroutine 28 gp=0xc00012e540 m=nil [runnable]:
testing.(*T).Run.gowrap1()
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 fp=0xc000171fe0 sp=0xc000171fd8 pc=0xf1bca0
runtime.goexit({})
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc000171fe8 sp=0xc000171fe0 pc=0xeb35a1
created by testing.(*T).Run in goroutine 46
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x390

=== RUN   TestStackSwitchCallback
=== PAUSE TestStackSwitchCallback
=== CONT  TestStackSwitchCallback
    crash_cgo_test.go:888: /home/swarming/.swarming/w/ir/x/t/go-build2859502035/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7fd694018af0 0x7fd694020ef0], sp=0x7fd68fffed68, called from
        runtime.acquireLockRank.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7fd68fffed70 sp=0x7fd68fffed68 pc=0x40f6e5
        runtime.acquireLockRank(0x0?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0x3e fp=0x7fd68fffeda0 sp=0x7fd68fffed70 pc=0x40f61e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
...
        fatal error: morestack on g0
        
        runtime stack:
        runtime.throw({0x575993?, 0x0?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1011 +0x5c fp=0xc000033f88 sp=0xc000033f58 pc=0x43d93c
        runtime.badmorestackg0.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:533 +0xe5 fp=0xc000033fe0 sp=0xc000033f88 pc=0x4411a5
        runtime.switchToCrashStack0()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:559 +0x32 fp=0xc000033ff0 sp=0xc000033fe0 pc=0x475772
        
...
        goroutine 18 gp=0xc000186380 m=nil [finalizer wait]:
        runtime.gopark(0xc000064650?, 0x40fcde?, 0x38?, 0x46?, 0x40fd00?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0xce fp=0xc000064620 sp=0xc000064600 pc=0x44090e
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x111 fp=0xc0000647e0 sp=0xc000064620 pc=0x41d811
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x4776a1
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x3d
--- FAIL: TestStackSwitchCallback (0.02s)

=== RUN   TestTypeparamTest/issue48537.go
    builder_test.go:855: Input: /home/swarming/.swarming/w/ir/x/w/goroot/test/typeparam/issue48537.go
runtime: marked free object in span 0x250d3c8, elemsize=64 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x10a50000 free  marked   zombie
0x0000000010a50000:  0x0000000000000000  0x0000000000000000 
0x0000000010a50010:  0x0000000009ba0e40  0x0000000000000000 
0x0000000010a50020:  0x0000000000000000  0x000000000eaeb770 
0x0000000010a50030:  0x0000000000000000  0x0000000000000000 
0x10a50040 free  unmarked
0x10a50080 free  unmarked
...
fatal error: found pointer to free object

goroutine 1008 [running]:
runtime.throw({0xadaf0, 0x1c})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1077 +0x3 fp=0x1b6db50 sp=0x1b6db28 pc=0x12760003
runtime.(*mspan).reportZombies(0x250d3c8)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:861 +0x61 fp=0x1b6dbc8 sp=0x1b6db50 pc=0x119f0061
runtime.(*sweepLocked).sweep(0x1b6dd28, 0x1)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:639 +0x77 fp=0x1b6dce8 sp=0x1b6dbc8 pc=0x119b0077
runtime.(*mcentral).cacheSpan(0x49c558)
...

goroutine 44 [GC worker (idle)]:
runtime.gopark(0xc3d30, 0x1831e80, 0x1a, 0x14, 0x0)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:398 +0x22 fp=0x184e748 sp=0x184e720 pc=0x129e0022
runtime.gcBgMarkWorker()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1295 +0x1f fp=0x184e7e0 sp=0x184e748 pc=0x112e001f
runtime.goexit()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_wasm.s:401 +0x1 fp=0x184e7e8 sp=0x184e7e0 pc=0x14e70001
created by runtime.gcBgMarkStartWorkers in goroutine 43
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1219 +0x3

--- FAIL: TestStackSwitchCallback (0.02s)
    crash_cgo_test.go:888: /workdir/tmp/go-build2088922425/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f2784018af0 0x7f2784020ef0], sp=0x7f277fffed68, called from
        runtime.acquireLockRank.func1()
        	/workdir/go/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f277fffed70 sp=0x7f277fffed68 pc=0x40f725
        runtime.acquireLockRank(0x0?)
        	/workdir/go/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f277fffeda0 sp=0x7f277fffed70 pc=0x40f65e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
        	/workdir/go/src/runtime/proc.go:1114 +0x65 fp=0x7f277fffede8 sp=0x7f277fffeda0 pc=0x442825
        runtime.dropm()
...
        fatal error: morestack on g0

        runtime stack:
        runtime.throw({0x57692a?, 0x0?})
        	/workdir/go/src/runtime/panic.go:1021 +0x5c fp=0xc00002bf88 sp=0xc00002bf58 pc=0x43d97c
        runtime.badmorestackg0.func1()
        	/workdir/go/src/runtime/proc.go:533 +0xe5 fp=0xc00002bfe0 sp=0xc00002bf88 pc=0x4411e5
        runtime.switchToCrashStack0()
        	/workdir/go/src/runtime/asm_amd64.s:559 +0x32 fp=0xc00002bff0 sp=0xc00002bfe0 pc=0x4758d2

...

        goroutine 18 gp=0xc000102700 m=nil [finalizer wait]:
        runtime.gopark(0xc00005c650?, 0x40fd1e?, 0x38?, 0xc6?, 0x40fd40?)
        	/workdir/go/src/runtime/proc.go:402 +0xce fp=0xc00005c620 sp=0xc00005c600 pc=0x44094e
        runtime.runfinq()
        	/workdir/go/src/runtime/mfinal.go:194 +0x111 fp=0xc00005c7e0 sp=0xc00005c620 pc=0x41d851
        runtime.goexit({})
        	/workdir/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc00005c7e8 sp=0xc00005c7e0 pc=0x477801
        created by runtime.createfing in goroutine 1
        	/workdir/go/src/runtime/mfinal.go:164 +0x3d

runtime: out of memory: cannot allocate 679477248-byte block (3564240896 in use)
fatal error: out of memory

goroutine 32 gp=0x98847e8 m=13 mp=0x9d80588 [running]:
runtime.throw({0x8185585, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0x98485b4 sp=0x98485a0 pc=0x8083b0d
runtime.(*mcache).allocLarge(0xf7f392e0, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0x98485e0 sp=0x98485b4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8170260, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0x9848648 sp=0x98485e0 pc=0x8055090
...
runtime.gopark(0x818ffc8, 0x9dc8168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0x9dcd78c sp=0x9dcd778 pc=0x8086b8c
runtime.gcBgMarkWorker(0x9dc6000)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0x9dcd7e8 sp=0x9dcd78c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0x9dcd7f0 sp=0x9dcd7e8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x9dcd7f4 sp=0x9dcd7f0 pc=0x80babf1
created by runtime.gcBgMarkStartWorkers in goroutine 34
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

runtime: out of memory: cannot allocate 679477248-byte block (3593568256 in use)
fatal error: out of memory

goroutine 32 gp=0xa4847e8 m=9 mp=0xa880008 [running]:
runtime.throw({0x8185585, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0xa4d5db4 sp=0xa4d5da0 pc=0x8083b1d
runtime.(*mcache).allocLarge(0xf7f9d348, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0xa4d5de0 sp=0xa4d5db4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8170260, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0xa4d5e48 sp=0xa4d5de0 pc=0x8055090
...
runtime.gopark(0x818ffc8, 0xa548168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0xa54a78c sp=0xa54a778 pc=0x8086b9c
runtime.gcBgMarkWorker(0xa496b80)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0xa54a7e8 sp=0xa54a78c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0xa54a7f0 sp=0xa54a7e8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0xa54a7f4 sp=0xa54a7f0 pc=0x80bac01
created by runtime.gcBgMarkStartWorkers in goroutine 33
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

runtime: out of memory: cannot allocate 679477248-byte block (3547430912 in use)
fatal error: out of memory

goroutine 32 gp=0x8c847e8 m=14 mp=0x8e80b08 [running]:
runtime.throw({0x8185585, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0x8fb8db4 sp=0x8fb8da0 pc=0x8083b1d
runtime.(*mcache).allocLarge(0xf7f3c538, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0x8fb8de0 sp=0x8fb8db4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8170260, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0x8fb8e48 sp=0x8fb8de0 pc=0x8055090
...
runtime.gopark(0x818ffc8, 0x8efc168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0x8ef7f8c sp=0x8ef7f78 pc=0x8086b9c
runtime.gcBgMarkWorker(0x8ef2000)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0x8ef7fe8 sp=0x8ef7f8c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0x8ef7ff0 sp=0x8ef7fe8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x8ef7ff4 sp=0x8ef7ff0 pc=0x80bac01
created by runtime.gcBgMarkStartWorkers in goroutine 50
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

runtime: out of memory: cannot allocate 679477248-byte block (3417309184 in use)
fatal error: out of memory

goroutine 20 gp=0x9407208 m=9 mp=0x9800008 [running]:
runtime.throw({0x8187811, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0x94465b4 sp=0x94465a0 pc=0x8083b1d
runtime.(*mcache).allocLarge(0xf7ee5348, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0x94465e0 sp=0x94465b4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8172460, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0x9446648 sp=0x94465e0 pc=0x8055090
...
runtime.gopark(0x81922a4, 0x99b0168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0x99b9f8c sp=0x99b9f78 pc=0x8086c5c
runtime.gcBgMarkWorker(0x99ac000)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0x99b9fe8 sp=0x99b9f8c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0x99b9ff0 sp=0x99b9fe8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x99b9ff4 sp=0x99b9ff0 pc=0x80bacc1
created by runtime.gcBgMarkStartWorkers in goroutine 17
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

runtime: out of memory: cannot allocate 679477248-byte block (3564240896 in use)
fatal error: out of memory

goroutine 20 gp=0x8c07208 m=3 mp=0x8c4eb08 [running]:
runtime.throw({0x8185585, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0x90addb4 sp=0x90adda0 pc=0x8083b1d
runtime.(*mcache).allocLarge(0xf7f4d538, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0x90adde0 sp=0x90addb4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8170260, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0x90ade48 sp=0x90adde0 pc=0x8055090
...
runtime.gopark(0x818ffc8, 0x913a168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0x913f78c sp=0x913f778 pc=0x8086b9c
runtime.gcBgMarkWorker(0x9138000)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0x913f7e8 sp=0x913f78c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0x913f7f0 sp=0x913f7e8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x913f7f4 sp=0x913f7f0 pc=0x80bac01
created by runtime.gcBgMarkStartWorkers in goroutine 23
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

=== RUN   TestStackSwitchCallback
=== PAUSE TestStackSwitchCallback
=== CONT  TestStackSwitchCallback
    crash_cgo_test.go:888: /home/swarming/.swarming/w/ir/x/t/go-build452406994/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f1c40018af0 0x7f1c40020ef0], sp=0x7f1c3bffed68, called from
        runtime.acquireLockRank.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f1c3bffed70 sp=0x7f1c3bffed68 pc=0x40f725
        runtime.acquireLockRank(0x0?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f1c3bffeda0 sp=0x7f1c3bffed70 pc=0x40f65e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
...
        fatal error: morestack on g0
        
        runtime stack:
        runtime.throw({0x57692a?, 0x0?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x5c fp=0xc000033f88 sp=0xc000033f58 pc=0x43d97c
        runtime.badmorestackg0.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:533 +0xe5 fp=0xc000033fe0 sp=0xc000033f88 pc=0x4411e5
        runtime.switchToCrashStack0()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:559 +0x32 fp=0xc000033ff0 sp=0xc000033fe0 pc=0x4757d2
        
...
        goroutine 5 gp=0xc000007c00 m=nil [finalizer wait]:
        runtime.gopark(0xc000064650?, 0x40fd1e?, 0x38?, 0x46?, 0x40fd40?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0xce fp=0xc000064620 sp=0xc000064600 pc=0x44094e
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x111 fp=0xc0000647e0 sp=0xc000064620 pc=0x41d851
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x477701
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x3d
--- FAIL: TestStackSwitchCallback (0.01s)

=== RUN   TestStackSwitchCallback
=== PAUSE TestStackSwitchCallback
=== CONT  TestStackSwitchCallback
    crash_cgo_test.go:888: /home/swarming/.swarming/w/ir/x/t/go-build4245969974/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f3e54018af0 0x7f3e54020ef0], sp=0x7f3e4fffed68, called from
        runtime.acquireLockRank.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f3e4fffed70 sp=0x7f3e4fffed68 pc=0x40f725
        runtime.acquireLockRank(0x0?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f3e4fffeda0 sp=0x7f3e4fffed70 pc=0x40f65e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
...
        fatal error: morestack on g0
        
        runtime stack:
        runtime.throw({0x576aab?, 0x0?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x5c fp=0xc000033f88 sp=0xc000033f58 pc=0x43d9bc
        runtime.badmorestackg0.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:533 +0xe5 fp=0xc000033fe0 sp=0xc000033f88 pc=0x441225
        runtime.switchToCrashStack0()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:559 +0x32 fp=0xc000033ff0 sp=0xc000033fe0 pc=0x475912
        
...
        goroutine 5 gp=0xc000007c00 m=nil [finalizer wait]:
        runtime.gopark(0xc000064650?, 0x40fd1e?, 0x38?, 0x46?, 0x40fd40?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0xce fp=0xc000064620 sp=0xc000064600 pc=0x44098e
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x111 fp=0xc0000647e0 sp=0xc000064620 pc=0x41d851
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x477841
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x3d
--- FAIL: TestStackSwitchCallback (0.02s)

runtime: out of memory: cannot allocate 679477248-byte block (3467739136 in use)
fatal error: out of memory

goroutine 32 gp=0x9884908 m=5 mp=0x998c008 [running]:
runtime.throw({0x8185585, 0xd})
	/workdir/go/src/runtime/panic.go:1021 +0x4d fp=0x9bf1db4 sp=0x9bf1da0 pc=0x8083b1d
runtime.(*mcache).allocLarge(0xf7f5f790, 0x28600000, 0x1)
	/workdir/go/src/runtime/mcache.go:236 +0x1c7 fp=0x9bf1de0 sp=0x9bf1db4 pc=0x805ca37
runtime.mallocgc(0x28600000, 0x8170260, 0x1)
	/workdir/go/src/runtime/malloc.go:1165 +0x640 fp=0x9bf1e48 sp=0x9bf1de0 pc=0x8055090
...
runtime.gopark(0x818ffc8, 0x9bda168, 0x1a, 0xa, 0x0)
	/workdir/go/src/runtime/proc.go:402 +0x10c fp=0x9be3f8c sp=0x9be3f78 pc=0x8086b9c
runtime.gcBgMarkWorker(0x9bd8000)
	/workdir/go/src/runtime/mgc.go:1333 +0xfd fp=0x9be3fe8 sp=0x9be3f8c pc=0x80637cd
runtime.gcBgMarkStartWorkers.gowrap1()
	/workdir/go/src/runtime/mgc.go:1249 +0x27 fp=0x9be3ff0 sp=0x9be3fe8 pc=0x80636b7
runtime.goexit({})
	/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x9be3ff4 sp=0x9be3ff0 pc=0x80bac01
created by runtime.gcBgMarkStartWorkers in goroutine 37
	/workdir/go/src/runtime/mgc.go:1249 +0x12c

=== RUN   TestCthread
Exception 0x200c7 0xefd5ffe8 0xcc483ff 0x0
PC=0x0

fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x0 pc=0xc974be]

runtime stack:
runtime.throw({0xdbad66, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x4d fp=0x2a82f8c0 sp=0x2a82f8ac pc=0xc6dcad
...
	C:/b/s/w/ir/x/w/goroot/src/cmd/cgo/internal/test/cgo_test.go:88 +0x1f fp=0x1f13f98 sp=0x1f13f90 pc=0xd477df
testing.tRunner(0x1f22308, 0xdbe230)
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1689 +0x123 fp=0x1f13fe4 sp=0x1f13f98 pc=0xd0d1a3
testing.(*T).Run.gowrap1()
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x2c fp=0x1f13ff0 sp=0x1f13fe4 pc=0xd0e19c
runtime.goexit({})
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:1363 +0x1 fp=0x1f13ff4 sp=0x1f13ff0 pc=0xca5461
created by testing.(*T).Run in goroutine 1
	C:/b/s/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x3b7
*** Test killed: ran too long (11m0s).

fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x74a74]

goroutine 182 gp=0xc000083340 m=0 mp=0x467a40 [running]:
runtime.throw({0x268033?, 0x16174?})
	/workdir/go/src/runtime/panic.go:1021 +0x40 fp=0xc0002a95d0 sp=0xc0002a9590 pc=0x4eb10
runtime.sigpanic()
	/workdir/go/src/runtime/signal_unix.go:865 +0x3b8 fp=0xc0002a9640 sp=0xc0002a95d0 pc=0x6b678
runtime.updateTimerModifiedEarliest(...)
	/workdir/go/src/runtime/time.go:852 pc=0x74a75
...
created by time_test.TestConcurrentTimerResetStop in goroutine 95
	/workdir/go/src/time/time_test.go:1698 +0x60

goroutine 190 gp=0xc00020afc0 m=nil [runnable]:
time_test.TestConcurrentTimerResetStop.gowrap1()
	/workdir/go/src/time/time_test.go:1692 +0x1 fp=0xc00009e7c0 sp=0xc00009e7c0 pc=0x1f41a1
runtime.goexit({})
	/workdir/go/src/runtime/asm_ppc64x.s:1018 +0x4 fp=0xc00009e7c0 sp=0xc00009e7c0 pc=0x8dee4
created by time_test.TestConcurrentTimerResetStop in goroutine 95
	/workdir/go/src/time/time_test.go:1692 +0x118

=== RUN   TestStackSwitchCallback
=== PAUSE TestStackSwitchCallback
=== CONT  TestStackSwitchCallback
    crash_cgo_test.go:888: /home/swarming/.swarming/w/ir/x/t/go-build3416701477/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f1400018af0 0x7f1400020ef0], sp=0x7f13fbffed68, called from
        runtime.acquireLockRank.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f13fbffed70 sp=0x7f13fbffed68 pc=0x40f625
        runtime.acquireLockRank(0x0?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f13fbffeda0 sp=0x7f13fbffed70 pc=0x40f55e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
...
        fatal error: morestack on g0
        
        runtime stack:
        runtime.throw({0x5770d0?, 0x0?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x5c fp=0xc000033f88 sp=0xc000033f58 pc=0x43d8bc
        runtime.badmorestackg0.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:533 +0xe5 fp=0xc000033fe0 sp=0xc000033f88 pc=0x441125
        runtime.switchToCrashStack0()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:559 +0x32 fp=0xc000033ff0 sp=0xc000033fe0 pc=0x474bf2
        
...
        goroutine 18 gp=0xc000186380 m=nil [finalizer wait]:
        runtime.gopark(0xc000064650?, 0x40fc1e?, 0x38?, 0x46?, 0x40fc40?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0xce fp=0xc000064620 sp=0xc000064600 pc=0x44088e
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x111 fp=0xc0000647e0 sp=0xc000064620 pc=0x41d751
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x476b21
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x3d
--- FAIL: TestStackSwitchCallback (0.02s)

=== RUN   Test/fixedbugs/issue39541.go
=== PAUSE Test/fixedbugs/issue39541.go
=== CONT  Test/fixedbugs/issue39541.go
    testdir_test.go:142: exit status 2
        fatal error: index out of range
        
        runtime stack:
        runtime.throw({0x98bcb?, 0xd8d671f5227d7?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x44 fp=0x3f6408fe98 sp=0x3f6408fe70 pc=0x3fbbc
        runtime.panicCheck1(0x0?, {0x98bcb, 0x12})
...
        runtime.gcBgMarkWorker(0x3f641020c0)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1469 +0x380 fp=0x3f641647c8 sp=0x3f64164738 pc=0x263e0
        runtime.gcBgMarkStartWorkers.gowrap1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1249 +0x2c fp=0x3f641647d8 sp=0x3f641647c8 pc=0x2603c
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_riscv64.s:540 +0x4 fp=0x3f641647d8 sp=0x3f641647d8 pc=0x6fb94
        created by runtime.gcBgMarkStartWorkers in goroutine 97
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1249 +0x150
        
--- FAIL: Test/fixedbugs/issue39541.go (4.34s)

=== RUN   TestTypeparamTest/combine.go
    builder_test.go:854: Input: /home/swarming/.swarming/w/ir/x/w/goroot/test/typeparam/combine.go
runtime: marked free object in span 0x1cf0508, elemsize=4096 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x10ae0000 free  marked   zombie
0x0000000010ae0000:  0x7279706f43202f2f  0x3130322074686769 
0x0000000010ae0010:  0x6f47206568542034  0x73726f6874754120 
0x0000000010ae0020:  0x6972206c6c41202e  0x7365722073746867 
0x0000000010ae0030:  0x2f0a2e6465767265  0x666f20657355202f 
0x0000000010ae0040:  0x6f73207369687420  0x646f632065637275 
0x0000000010ae0050:  0x766f672073692065  0x79622064656e7265 
...
fatal error: found pointer to free object

goroutine 647 gp=0x2074540 m=0 mp=0x4b1ea0 [running]:
runtime.throw({0xb1d3d, 0x1c})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1023 +0x3 fp=0x182c348 sp=0x182c320 pc=0x12880003
runtime.(*mspan).reportZombies(0x1cf0508)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:872 +0x61 fp=0x182c3b8 sp=0x182c348 pc=0x11b20061
runtime.(*sweepLocked).sweep(0x182c510, 0x0)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:638 +0x7a fp=0x182c4d8 sp=0x182c3b8 pc=0x11ad007a
runtime.sweepone()
...

goroutine 44 gp=0x1800e00 m=nil [GC worker (idle)]:
runtime.gopark(0xc8730, 0x1887f20, 0x1a, 0xa, 0x0)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0x22 fp=0x1848748 sp=0x1848720 pc=0x12b00022
runtime.gcBgMarkWorker()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1310 +0x1f fp=0x18487e0 sp=0x1848748 pc=0x1141001f
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_wasm.s:434 +0x1 fp=0x18487e8 sp=0x18487e0 pc=0x15380001
created by runtime.gcBgMarkStartWorkers in goroutine 43
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1234 +0x3

--- FAIL: TestStackSwitchCallback (0.02s)
    crash_cgo_test.go:888: /workdir/tmp/go-build418855891/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7fb95c018af0 0x7fb95c020ef0], sp=0x7fb957ffed68, called from
        runtime.acquireLockRank.func1()
        	/workdir/go/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7fb957ffed70 sp=0x7fb957ffed68 pc=0x40f665
        runtime.acquireLockRank(0x0?)
        	/workdir/go/src/runtime/lockrank_on.go:115 +0x3e fp=0x7fb957ffeda0 sp=0x7fb957ffed70 pc=0x40f59e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
        	/workdir/go/src/runtime/proc.go:1114 +0x65 fp=0x7fb957ffede8 sp=0x7fb957ffeda0 pc=0x442865
        runtime.dropm()
...
        fatal error: morestack on g0

        runtime stack:
        runtime.throw({0x57754d?, 0x0?})
        	/workdir/go/src/runtime/panic.go:1021 +0x5c fp=0xc00002bf88 sp=0xc00002bf58 pc=0x43d9bc
        runtime.badmorestackg0.func1()
        	/workdir/go/src/runtime/proc.go:533 +0xe5 fp=0xc00002bfe0 sp=0xc00002bf88 pc=0x441225
        runtime.switchToCrashStack0()
        	/workdir/go/src/runtime/asm_amd64.s:559 +0x32 fp=0xc00002bff0 sp=0xc00002bfe0 pc=0x474d52

...

        goroutine 18 gp=0xc000102700 m=nil [finalizer wait]:
        runtime.gopark(0xc00005c650?, 0x40fc5e?, 0x38?, 0xc6?, 0x40fc80?)
        	/workdir/go/src/runtime/proc.go:402 +0xce fp=0xc00005c620 sp=0xc00005c600 pc=0x44098e
        runtime.runfinq()
        	/workdir/go/src/runtime/mfinal.go:194 +0x111 fp=0xc00005c7e0 sp=0xc00005c620 pc=0x41d771
        runtime.goexit({})
        	/workdir/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc00005c7e8 sp=0xc00005c7e0 pc=0x476c81
        created by runtime.createfing in goroutine 1
        	/workdir/go/src/runtime/mfinal.go:164 +0x3d

=== RUN   TestStackSwitchCallback
=== PAUSE TestStackSwitchCallback
=== CONT  TestStackSwitchCallback
    crash_cgo_test.go:888: /home/swarming/.swarming/w/ir/x/t/go-build993534921/testprogcgo.exe StackSwitchCallback: exit status 2
    crash_cgo_test.go:895: expected "OK\n", got runtime: morestack on g0, stack [0x7f9590018af0 0x7f9590020ef0], sp=0x7f9583ffed68, called from
        runtime.acquireLockRank.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0xa5 fp=0x7f9583ffed70 sp=0x7f9583ffed68 pc=0x40f665
        runtime.acquireLockRank(0x0?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/lockrank_on.go:115 +0x3e fp=0x7f9583ffeda0 sp=0x7f9583ffed70 pc=0x40f59e
        runtime.casgstatus(0xc000006700, 0x3, 0x6)
...
        fatal error: morestack on g0
        
        runtime stack:
        runtime.throw({0x57746d?, 0x0?})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x5c fp=0xc000033f88 sp=0xc000033f58 pc=0x43d9bc
        runtime.badmorestackg0.func1()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:533 +0xe5 fp=0xc000033fe0 sp=0xc000033f88 pc=0x441225
        runtime.switchToCrashStack0()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:559 +0x32 fp=0xc000033ff0 sp=0xc000033fe0 pc=0x474e92
        
...
        goroutine 18 gp=0xc000102700 m=nil [finalizer wait]:
        runtime.gopark(0xc000064650?, 0x40fc5e?, 0x38?, 0x46?, 0x40fc80?)
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0xce fp=0xc000064620 sp=0xc000064600 pc=0x44098e
        runtime.runfinq()
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:194 +0x111 fp=0xc0000647e0 sp=0xc000064620 pc=0x41d771
        runtime.goexit({})
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x476dc1
        created by runtime.createfing in goroutine 1
        	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:164 +0x3d
--- FAIL: TestStackSwitchCallback (0.03s)

=== RUN   TestTypeparamTest/issue44688.go
    builder_test.go:854: Input: /home/swarming/.swarming/w/ir/x/w/goroot/test/typeparam/issue44688.go
runtime: marked free object in span 0x1cdb448, elemsize=64 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x10b10000 free  marked   zombie
0x0000000010b10000:  0x0000000000000004  0x0000000000129410 
0x0000000010b10010:  0x000000000a36f8c0  0x0000000000127c38 
0x0000000010b10020:  0x00000000004a4900  0x0000000000129ea0 
0x0000000010b10030:  0x00000000004981a8  0x0000000000000000 
0x10b10040 free  unmarked
0x10b10080 free  unmarked
...
fatal error: found pointer to free object

goroutine 780 gp=0x20b4e00 m=0 mp=0x4b0260 [running]:
runtime.throw({0xb1fe7, 0x1c})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x3 fp=0x2106df8 sp=0x2106dd0 pc=0x128b0003
runtime.(*mspan).reportZombies(0x1cdb448)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:872 +0x61 fp=0x2106e68 sp=0x2106df8 pc=0x11b60061
runtime.(*sweepLocked).sweep(0x2106fe0, 0x1)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:638 +0x82 fp=0x2106f88 sp=0x2106e68 pc=0x11b10082
runtime.(*mcentral).cacheSpan(0x4ba0f8)
...
golang.org/x/tools/go/ssa_test.TestTypeparamTest.func1(0x407f380)
	/home/swarming/.swarming/w/ir/x/w/targetrepo630900990/go/ssa/builder_test.go:881 +0x4d fp=0x183bf60 sp=0x183bdf0 pc=0x2954004d
testing.tRunner(0x407f380, 0x639c078)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1689 +0xd fp=0x183bfc8 sp=0x183bf60 pc=0x1a1a000d
testing.(*T).Run.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x2 fp=0x183bfe0 sp=0x183bfc8 pc=0x1a200002
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_wasm.s:434 +0x1 fp=0x183bfe8 sp=0x183bfe0 pc=0x15440001
created by testing.(*T).Run in goroutine 570
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x43

vcs-test.golang.org rerouted to http://127.0.0.1:53553
https://vcs-test.golang.org rerouted to https://127.0.0.1:53554
go test proxy running at GOPROXY=http://127.0.0.1:53555/mod
--- FAIL: TestScript (0.69s)
    --- FAIL: TestScript/work (6.65s)
        script_test.go:136: 2024-03-15T17:10:32Z
        script_test.go:138: $WORK=/tmp/buildlet/tmp/cmd-go-test-542332898/tmpdir1082132271/work1795262683
        script_test.go:160: 
            > ! go work init doesnotexist
            [stderr]
...
            fatal error: unexpected signal during runtime execution
            [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xa6a54e6]

            goroutine 3 gp=0xc000008c40 m=8 mp=0xc000380008 [running]:
            runtime.throw({0xad724be?, 0x0?})
            	/tmp/buildlet/go/src/runtime/panic.go:1021 +0x5c fp=0xc0000636c0 sp=0xc000063690 pc=0xa6d27bc
            runtime.sigpanic()
            	/tmp/buildlet/go/src/runtime/signal_unix.go:865 +0x3e9 fp=0xc000063720 sp=0xc0000636c0 pc=0xa6eb669
            runtime.unlock2(0xc000063760?)
            	/tmp/buildlet/go/src/runtime/lock_sema.go:129 +0x86 fp=0xc000063750 sp=0xc000063720 pc=0xa6a54e6
...
            	/tmp/buildlet/go/src/runtime/proc.go:402 +0xce fp=0xc000841df8 sp=0xc000841dd8 pc=0xa6d566e
            runtime.selectgo(0xc000841f90, 0xc000841f58, 0xc00017e420?, 0x0, 0xb459a00?, 0x1)
            	/tmp/buildlet/go/src/runtime/select.go:335 +0x7a5 fp=0xc000841f20 sp=0xc000841df8 pc=0xa6e73e5
            cmd/go/internal/work.(*Builder).Do.func4()
            	/tmp/buildlet/go/src/cmd/go/internal/work/exec.go:211 +0x110 fp=0xc000841fe0 sp=0xc000841f20 pc=0xac554b0
            runtime.goexit({})
            	/tmp/buildlet/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc000841fe8 sp=0xc000841fe0 pc=0xa70d9a1
            created by cmd/go/internal/work.(*Builder).Do in goroutine 1
            	/tmp/buildlet/go/src/cmd/go/internal/work/exec.go:207 +0x3fe
        script_test.go:160: FAIL: testdata/script/work.txt:24: go run example.com/b: exit status 2

=== RUN   TestTypeparamTest/fact.go
    builder_test.go:854: Input: /home/swarming/.swarming/w/ir/x/w/goroot/test/typeparam/fact.go
runtime: marked free object in span 0x1cc9930, elemsize=64 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x10b10000 free  marked   zombie
0x0000000010b10000:  0x0000000000000005  0x0000000000129800 
0x0000000010b10010:  0x0000000006023560  0x0000000000128598 
0x0000000010b10020:  0x00000000004a6920  0x0000000000000000 
0x0000000010b10030:  0x0000000000000000  0x0000000000000000 
0x10b10040 free  unmarked
0x10b10080 free  unmarked
...
fatal error: found pointer to free object

goroutine 698 gp=0x20a48c0 m=0 mp=0x4b2260 [running]:
runtime.throw({0xb2721, 0x1c})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x3 fp=0x18a3448 sp=0x18a3420 pc=0x128b0003
runtime.(*mspan).reportZombies(0x1cc9930)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:872 +0x61 fp=0x18a34b8 sp=0x18a3448 pc=0x11b60061
runtime.(*sweepLocked).sweep(0x18a3630, 0x1)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:638 +0x82 fp=0x18a35d8 sp=0x18a34b8 pc=0x11b10082
runtime.(*mcentral).cacheSpan(0x4bc0f8)
...
golang.org/x/tools/go/ssa_test.TestTypeparamTest.func1(0x23d84e0)
	/home/swarming/.swarming/w/ir/x/w/targetrepo3703155541/go/ssa/builder_test.go:867 +0x42 fp=0x7fa4f60 sp=0x7fa4df0 pc=0x29600042
testing.tRunner(0x23d84e0, 0x5a1e0c0)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1689 +0xd fp=0x7fa4fc8 sp=0x7fa4f60 pc=0x1a1c000d
testing.(*T).Run.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x2 fp=0x7fa4fe0 sp=0x7fa4fc8 pc=0x1a220002
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_wasm.s:434 +0x1 fp=0x7fa4fe8 sp=0x7fa4fe0 pc=0x15440001
created by testing.(*T).Run in goroutine 570
	/home/swarming/.swarming/w/ir/x/w/goroot/src/testing/testing.go:1742 +0x43

=== RUN   TestTypeparamTest/equal.go
    builder_test.go:854: Input: /home/swarming/.swarming/w/ir/x/w/goroot/test/typeparam/equal.go
runtime: marked free object in span 0x1cdb318, elemsize=64 freeindex=0 (bad use of unsafe.Pointer? try -d=checkptr)
0x10b10000 free  marked   zombie
0x0000000010b10000:  0x0000000000000005  0x0000000000129c10 
0x0000000010b10010:  0x00000000068d7360  0x0000000000128b40 
0x0000000010b10020:  0x000000000f274ec0  0x0000000000000000 
0x0000000010b10030:  0x0000000000000000  0x0000000000000000 
0x10b10040 alloc marked  
0x10b10080 free  unmarked
...
fatal error: found pointer to free object

goroutine 694 gp=0x20b8540 m=0 mp=0x4b2260 [running]:
runtime.throw({0xb2721, 0x1c})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1021 +0x3 fp=0x21d4d48 sp=0x21d4d20 pc=0x128b0003
runtime.(*mspan).reportZombies(0x1cdb318)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:872 +0x61 fp=0x21d4db8 sp=0x21d4d48 pc=0x11b60061
runtime.(*sweepLocked).sweep(0x21d4f30, 0x1)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go:638 +0x82 fp=0x21d4ed8 sp=0x21d4db8 pc=0x11b10082
runtime.(*mcentral).cacheSpan(0x4bc0f8)
...
runtime.gopark(0xc95f8, 0x1bce080, 0x1a, 0xa, 0x0)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:402 +0x22 fp=0x1856738 sp=0x1856710 pc=0x12b30022
runtime.gcBgMarkWorker(0x1b9a460)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1333 +0x1f fp=0x18567d0 sp=0x1856738 pc=0x1145001f
runtime.gcBgMarkStartWorkers.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1249 +0x2 fp=0x18567e0 sp=0x18567d0 pc=0x11440002
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_wasm.s:434 +0x1 fp=0x18567e8 sp=0x18567e0 pc=0x15440001
created by runtime.gcBgMarkStartWorkers in goroutine 42
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go:1249 +0x28

=== RUN   TestCachedInstall
    carchive_test.go:1163: [go install -buildmode=c-archive ./libgo]
    carchive_test.go:1165: # testcarchive/libgo
        /Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: running ar failed: exit status 1
        /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: $WORK/b001/exe/a.out.a(000001.o) has no symbols
        /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: $WORK/b001/exe/a.out.a(000002.o) has no symbols
        /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: $WORK/b001/exe/a.out.a(000003.o) has no symbols
        /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: $WORK/b001/exe/a.out.a(000013.o) has no symbols
        fatal error: /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: can't write to output file (Device error)
        /Users/swarming/.swarming/w/ir/cache/tools/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar: internal ranlib command failed
        
    carchive_test.go:1166: exit status 1
--- FAIL: TestCachedInstall (3.02s)

vcs-test.golang.org rerouted to http://127.0.0.1:55532
https://vcs-test.golang.org rerouted to https://127.0.0.1:55533
go test proxy running at GOPROXY=http://127.0.0.1:55534/mod
--- FAIL: TestScript (0.46s)
    --- FAIL: TestScript/test_chatty_parallel_fail (1.33s)
        script_test.go:136: 2024-03-21T20:27:24Z
        script_test.go:138: $WORK=/tmp/buildlet/tmp/cmd-go-test-2996921757/tmpdir2993885865/test_chatty_parallel_fail4186416870
        script_test.go:160: 
            # Run parallel chatty tests.
            # Check that multiple parallel outputs continue running. (1.266s)
...
            fatal error: unexpected signal during runtime execution
            [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x8d46426]

            goroutine 3 gp=0xc000008c40 m=5 mp=0xc000200008 [running]:
            runtime.throw({0x94165af?, 0x4?})
            	/tmp/buildlet/go/src/runtime/panic.go:1021 +0x5c fp=0xc0000676c0 sp=0xc000067690 pc=0x8d736fc
            runtime.sigpanic()
            	/tmp/buildlet/go/src/runtime/signal_unix.go:865 +0x3e9 fp=0xc000067720 sp=0xc0000676c0 pc=0x8d8c5a9
            runtime.unlock2(0xc000067760?)
            	/tmp/buildlet/go/src/runtime/lock_sema.go:129 +0x86 fp=0xc000067750 sp=0xc000067720 pc=0x8d46426
...
            	/tmp/buildlet/go/src/runtime/select.go:335 +0x7a5 fp=0xc0006d5f20 sp=0xc0006d5df8 pc=0x8d88325
            cmd/go/internal/work.(*Builder).Do.func4()
            	/tmp/buildlet/go/src/cmd/go/internal/work/exec.go:211 +0x110 fp=0xc0006d5fe0 sp=0xc0006d5f20 pc=0x92f94f0
            runtime.goexit({})
            	/tmp/buildlet/go/src/runtime/asm_amd64.s:1695 +0x1 fp=0xc0006d5fe8 sp=0xc0006d5fe0 pc=0x8daea61
            created by cmd/go/internal/work.(*Builder).Do in goroutine 1
            	/tmp/buildlet/go/src/cmd/go/internal/work/exec.go:207 +0x3fe
            [exit status 2]
            > stdout -count=1 '^=== CONT  TestChattyParallel/sub-0'
        script_test.go:160: FAIL: testdata/script/test_chatty_parallel_fail.txt:5: stdout -count=1 '^=== CONT  TestChattyParallel/sub-0': found 0 matches for `(?m)^=== CONT  TestChattyParallel/sub-0` in stdout

fatal error: unexpected signal during runtime execution
[signal SIGBUS: bus error code=0x80 addr=0x0 pc=0xc2c8c]

goroutine 83 gp=0xc000414000 m=4 mp=0xc000080008 [running]:
runtime.throw({0xd0f204, 0x2a})
	runtime/panic.go:1021 +0x58 fp=0xc000def670 sp=0xc000def648 pc=0x6fc40
runtime.sigpanic()
	runtime/signal_unix.go:865 +0x5e4 fp=0xc000def6d0 sp=0xc000def670 pc=0x94674
runtime.memclrNoHeapPointers(0x7c883317c643bbfe, 0x20)
	runtime/memclr_mips64x.s:79 +0xf4 fp=0xc000def6d8 sp=0xc000def6d8 pc=0xc2c8c
...
cmd/compile/internal/ssagen.Compile(0xc0021b4900, 0x3)
	cmd/compile/internal/ssagen/pgen.go:241 +0x964 fp=0xc00070df78 sp=0xc00070dea0 pc=0x907de4
cmd/compile/internal/gc.compileFunctions.func5.1(0x3)
	cmd/compile/internal/gc/compile.go:182 +0x5c fp=0xc00070dfb0 sp=0xc00070df78 pc=0xbd2a0c
cmd/compile/internal/gc.compileFunctions.func3.1()
	cmd/compile/internal/gc/compile.go:164 +0x5c fp=0xc00070dfd8 sp=0xc00070dfb0 pc=0xbd2ed4
runtime.goexit({})
	runtime/asm_mips64x.s:671 +0x4 fp=0xc00070dfd8 sp=0xc00070dfd8 pc=0xc1e1c
created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 37
	cmd/compile/internal/gc/compile.go:163 +0x2dc

SIGILL: illegal instruction
PC=0xb3cab0 m=0 sigcode=128
instruction bytes: 0x96 0x5c 0x1 0x4f 0xf6 0x7c 0x29 0xd 0x2b 0x28 0xa2 0x0 0x51 0x1 0xa0 0x10

goroutine 1 gp=0xc0000021c0 m=0 mp=0x13d1760 [running]:
cmd/compile/internal/types2.(*typeWriter).typ(0xc0007ec780, {0xe5c530, 0xc0007ec5d0})
	cmd/compile/internal/types2/typestring.go:120 +0x128 fp=0xc0007fbc50 sp=0xc0007fba58 pc=0xb3cab0
cmd/compile/internal/types2.(*typeWriter).tParamList(0xc0007ec780, {0xc0003a8a40, 0x1, 0x1})
	cmd/compile/internal/types2/typestring.go:416 +0x184 fp=0xc0007fbcf0 sp=0xc0007fbc50 pc=0xb3ec8c
cmd/compile/internal/types2.(*typeWriter).signature(0xc0007ec780, 0xc0007e7600)
...
r16  0xd	r17  0x0
r18  0x1	r19  0x1
r20  0x1b04eaf6a2f80f6f	r21  0xa931ea0e77e496df
r22  0xd26190	r23  0xfffffffffffffffb
r24  0xff8396d31712bcd3	r25  0x16499b3a2b542e3a
r26  0x0	r27  0x0
r28  0x0	r29  0xc0007fba58
r30  0xc0000021c0	r31  0xb3ca2c
pc   0xb3cab0	link 0xb3ca2c
lo   0x1	hi   0x0

SIGILL: illegal instruction
PC=0xb3cab0 m=0 sigcode=128
instruction bytes: 0x96 0x5c 0x1 0x4f 0xf6 0x7c 0x29 0xd 0x2b 0x28 0xa2 0x0 0x51 0x1 0xa0 0x10

goroutine 1 gp=0xc0000021c0 m=0 mp=0x13d1760 [running]:
cmd/compile/internal/types2.(*typeWriter).typ(0xc000554870, {0xe5c530, 0xc000554660})
	cmd/compile/internal/types2/typestring.go:120 +0x128 fp=0xc000533508 sp=0xc000533310 pc=0xb3cab0
cmd/compile/internal/types2.(*typeWriter).tParamList(0xc000554870, {0xc000504d10, 0x1, 0x1})
	cmd/compile/internal/types2/typestring.go:416 +0x184 fp=0xc0005335a8 sp=0xc000533508 pc=0xb3ec8c
cmd/compile/internal/types2.(*typeWriter).signature(0xc000554870, 0xc00055e740)
...
r16  0xd	r17  0x0
r18  0x1	r19  0x1
r20  0x2b9015e27170949	r21  0x5f4d987bd4710390
r22  0xd26190	r23  0xfffffffffffffffb
r24  0xff8082c69123e5c6	r25  0x29f37e91f1232d91
r26  0x0	r27  0x0
r28  0x0	r29  0xc000533310
r30  0xc0000021c0	r31  0xb3ca2c
pc   0xb3cab0	link 0xb3ca2c
lo   0x1	hi   0x0