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runtime: TestGoroutineParallelism2 fails with "invalid memory address or nil pointer dereference" on brillo #14486

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rakyll opened this issue Feb 24, 2016 · 2 comments
Closed

runtime: TestGoroutineParallelism2 fails with "invalid memory address or nil pointer dereference" on brillo #14486

rakyll opened this issue Feb 24, 2016 · 2 comments
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Go1.7

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@rakyll
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rakyll commented Feb 24, 2016

Reproducible on Qualcomm Dragonboard 410c, Brillo image built with BDK 7.5.4.

go_android_exec: adb push /var/folders/00/1b8h8000h01000cxqpysvccm005d21/T/go-build559449628/runtime/_test/runtime.test /mnt/media_rw/tmp/runtime.test-55607/runtime.test-55607-tmp
1484 KB/s (5098700 bytes in 3.353s)
go_android_exec: adb shell cp '/mnt/media_rw/tmp/runtime.test-55607/runtime.test-55607-tmp' '/mnt/media_rw/tmp/runtime.test-55607/runtime.test-55607'
go_android_exec: adb shell rm '/mnt/media_rw/tmp/runtime.test-55607/runtime.test-55607-tmp'
go_android_exec: adb shell export TMPDIR="/mnt/media_rw/tmp/runtime.test-55607"; export GOROOT="/mnt/media_rw/goroot/"; export GOPATH="/mnt/media_rw/gopath/"; cd "/mnt/media_rw/goroot/src/runtime"; '/mnt/media_rw/tmp/runtime.test-55607/runtime.test-55607' -test.short=true -test.timeout=6m0s; echo -n exitcode=$?
--- FAIL: TestGoroutineParallelism2 (0.05s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
    panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0xb6dc1f30]

goroutine 102631 [running]:
panic(0xb6f9c4e0, 0x9691e030)
    /Users/jbd/go/src/runtime/panic.go:483 +0x37c fp=0x9692be24 sp=0x9692bde0
testing.tRunner.func1(0x9695e000)
    /Users/jbd/go/src/testing/testing.go:467 +0x16c fp=0x9692be80 sp=0x9692be24
runtime.call16(0x0, 0xb7017854, 0x9719c05c, 0x4, 0x4)
    /Users/jbd/go/src/runtime/asm_arm.s:429 +0x68 fp=0x9692be94 sp=0x9692be80
panic(0xb6f9c4e0, 0x9691e030)
    /Users/jbd/go/src/runtime/panic.go:441 +0x49c fp=0x9692bed8 sp=0x9692be94
runtime.panicmem()
    /Users/jbd/go/src/runtime/panic.go:45 +0x50 fp=0x9692beec sp=0x9692bed8
runtime.sigpanic()
    /Users/jbd/go/src/runtime/sigpanic_unix.go:24 +0x2b4 fp=0x9692bf18 sp=0x9692beec
runtime_test.testGoroutineParallelism2(0x9695e000, 0x1530100)
    /Users/jbd/go/src/runtime/proc_test.go:183 +0x2fc fp=0x9692bf9c sp=0x9692bf1c
runtime_test.TestGoroutineParallelism2(0x9695e000)
    /Users/jbd/go/src/runtime/proc_test.go:141 +0x48 fp=0x9692bfa8 sp=0x9692bf9c
testing.tRunner(0x9695e000, 0xb70c5c1c)
    /Users/jbd/go/src/testing/testing.go:473 +0xb0 fp=0x9692bfcc sp=0x9692bfa8
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9692bfcc sp=0x9692bfcc
created by testing.RunTests
    /Users/jbd/go/src/testing/testing.go:582 +0x688

goroutine 1 [chan receive, locked to thread]:
runtime.gopark(0xb7016dd4, 0x97736030, 0xb6fe36f0, 0xc, 0xb70d6717, 0x3)
    /Users/jbd/go/src/runtime/proc.go:262 +0x15c fp=0x96931d58 sp=0x96931d44
runtime.goparkunlock(0x97736030, 0xb6fe36f0, 0xc, 0xb6d06617, 0x3)
    /Users/jbd/go/src/runtime/proc.go:268 +0x48 fp=0x96931d74 sp=0x96931d58
runtime.chanrecv(0xb6f66658, 0x97736000, 0x96931e70, 0x96931d01, 0xb6d80000)
    /Users/jbd/go/src/runtime/chan.go:470 +0x538 fp=0x96931dbc sp=0x96931d74
runtime.chanrecv1(0xb6f66658, 0x97736000, 0x96931e70)
    /Users/jbd/go/src/runtime/chan.go:355 +0x28 fp=0x96931dd4 sp=0x96931dbc
testing.RunTests(0xb7016ad0, 0xb70c5640, 0xb2, 0xb2, 0x96972001)
    /Users/jbd/go/src/testing/testing.go:583 +0x6b8 fp=0x96931ea4 sp=0x96931dd4
testing.(*M).Run(0x96931f7c, 0xb6dca6a8)
    /Users/jbd/go/src/testing/testing.go:515 +0x94 fp=0x96931eec sp=0x96931ea4
runtime_test.TestMain(0x96931f7c)
    /Users/jbd/go/src/runtime/crash_test.go:24 +0x1c fp=0x96931f2c sp=0x96931eec
main.main()
    runtime/_test/_testmain.go:996 +0x140 fp=0x96931fa4 sp=0x96931f2c
runtime.main()
    /Users/jbd/go/src/runtime/proc.go:188 +0x328 fp=0x96931fcc sp=0x96931fa4
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x96931fcc sp=0x96931fcc

goroutine 17 [syscall, locked to thread]:
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9692efd8 sp=0x9692efd8

goroutine 2 [force gc (idle)]:
runtime.gopark(0xb7016dd4, 0xb70d6020, 0xb6fe7900, 0xf, 0x14, 0x1)
    /Users/jbd/go/src/runtime/proc.go:262 +0x15c fp=0x9691a7a8 sp=0x9691a794
runtime.goparkunlock(0xb70d6020, 0xb6fe7900, 0xf, 0x14, 0x1)
    /Users/jbd/go/src/runtime/proc.go:268 +0x48 fp=0x9691a7c4 sp=0x9691a7a8
runtime.forcegchelper()
    /Users/jbd/go/src/runtime/proc.go:229 +0xc8 fp=0x9691a7dc sp=0x9691a7c4
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9691a7dc sp=0x9691a7dc
created by runtime.init.4
    /Users/jbd/go/src/runtime/proc.go:218 +0x28

goroutine 3 [GC sweep wait]:
runtime.gopark(0xb7016dd4, 0xb70d6178, 0xb6fe4800, 0xd, 0xb6d68914, 0x1)
    /Users/jbd/go/src/runtime/proc.go:262 +0x15c fp=0x9691af9c sp=0x9691af88
runtime.goparkunlock(0xb70d6178, 0xb6fe4800, 0xd, 0x14, 0x1)
    /Users/jbd/go/src/runtime/proc.go:268 +0x48 fp=0x9691afb8 sp=0x9691af9c
runtime.bgsweep(0x9690c080)
    /Users/jbd/go/src/runtime/mgcsweep.go:79 +0x178 fp=0x9691afd4 sp=0x9691afb8
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9691afd4 sp=0x9691afd4
created by runtime.gcenable
    /Users/jbd/go/src/runtime/mgc.go:191 +0x54

goroutine 4 [finalizer wait]:
runtime.gopark(0xb7016dd4, 0xb70e421c, 0xb6fe6340, 0xe, 0x14, 0x1)
    /Users/jbd/go/src/runtime/proc.go:262 +0x15c fp=0x9691b788 sp=0x9691b774
runtime.goparkunlock(0xb70e421c, 0xb6fe6340, 0xe, 0x14, 0x1)
    /Users/jbd/go/src/runtime/proc.go:268 +0x48 fp=0x9691b7a4 sp=0x9691b788
runtime.runfinq()
    /Users/jbd/go/src/runtime/mfinal.go:158 +0xc4 fp=0x9691b7dc sp=0x9691b7a4
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9691b7dc sp=0x9691b7dc
created by runtime.createfing
    /Users/jbd/go/src/runtime/mfinal.go:139 +0x68

goroutine 5 [GC worker (idle)]:
runtime.gopark(0x9790e014, 0x9691bfcc, 0xb6fe8b88, 0x10, 0x14, 0x0)
    /Users/jbd/go/src/runtime/proc.go:262 +0x15c fp=0x9691bf90 sp=0x9691bf7c
runtime.gcBgMarkWorker(0x96912000)
    /Users/jbd/go/src/runtime/mgc.go:1402 +0xd4 fp=0x9691bfd4 sp=0x9691bf90
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9691bfd4 sp=0x9691bfd4
created by runtime.gcBgMarkStartWorkers
    /Users/jbd/go/src/runtime/mgc.go:1329 +0x8c

goroutine 7 [syscall]:
runtime.notetsleepg(0xb70d6224, 0xe6502c86, 0x0, 0x0)
    /Users/jbd/go/src/runtime/lock_futex.go:205 +0x50 fp=0x9691cf88 sp=0x9691cf70
runtime.timerproc()
    /Users/jbd/go/src/runtime/time.go:209 +0x148 fp=0x9691cfdc sp=0x9691cf88
runtime.goexit()
    /Users/jbd/go/src/runtime/asm_arm.s:993 +0x4 fp=0x9691cfdc sp=0x9691cfdc
created by runtime.addtimerLocked
    /Users/jbd/go/src/runtime/time.go:116 +0x210
exitcode=2go_android_exec: adb shell rm -rf /mnt/media_rw/tmp/runtime.test-55607
FAIL    runtime 22.155s
@rakyll rakyll self-assigned this Feb 24, 2016
@rakyll rakyll added this to the Unplanned milestone Feb 24, 2016
@rakyll rakyll modified the milestones: Go1.7, Unplanned Mar 3, 2016
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CL https://golang.org/cl/20340 mentions this issue.

@mdcnz
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mdcnz commented Oct 9, 2016

Encountered this issue when compiling Go on linux amd64 because localhost was pointing to IP address in a docker network. Docker is not running, it just happens to be installed on my machine.

Fixed by reverting localhost to 127.0.0.1

environment: ubuntu linux 4.4.0-38-generic x86_64

localhost: 172.17.0.2

ifconfig shows: docker0 inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0

go/src: master commit 9b6ced9, Sat Oct 8 07:24:45 2016

go/src$ ./all.bash
...
ok regexp/syntax 0.955s
--- FAIL: TestGoroutineParallelism2 (0.00s)
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference

@golang golang locked and limited conversation to collaborators Oct 9, 2017
@rsc rsc unassigned rakyll Jun 23, 2022
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