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runtime: "found bad pointer in Go heap" on darwin/arm64 #32324

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bcmills opened this issue May 30, 2019 · 8 comments
Closed

runtime: "found bad pointer in Go heap" on darwin/arm64 #32324

bcmills opened this issue May 30, 2019 · 8 comments
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FrozenDueToAge mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Darwin
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@bcmills
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bcmills commented May 30, 2019

Possibly related to #32026.

Seen in https://build.golang.org/log/581aabff93c4fd2e8fb64339dcbbe37bfedf7985:

darwin-arm64-corellium at ddb5d0db37b885ba327180816253714625fd3c38

:: Running /bin/bash with args ["bash" "/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/make.bash"] and env ["SHELL=/bin/sh" "XPC_FLAGS=0x0" "TMUX=/tmp//tmux-501/default,89,0" "GOROOT_BOOTSTRAP=/tmp/workdir-host-darwin-arm64-corellium-ios/go1.4" "PWD=/" "LOGNAME=mobile" "HOME=/var/mobile" "GO_BUILDER_ENV=host-darwin-arm64-corellium-ios" "TERM=screen" "USER=mobile" "TMUX_PANE=%0" "SHLVL=1" "XPC_SERVICE_NAME=org.golang.builder" "PATH=/var/mobile/bin:/usr/bin:/bin:/usr/sbin:/sbin" "CC=/var/mobile/bin/clangsign" "__CF_USER_TEXT_ENCODING=0x1F5:0:0" "_=/var/mobile/go/bin/buildlet" "WORKDIR=/tmp/workdir-host-darwin-arm64-corellium-ios" "GO_BUILDER_NAME=darwin-arm64-corellium" "GOROOT_BOOTSTRAP=/var/mobile/go-darwin-arm64-bootstrap" "GOBIN=" "TMPDIR=/tmp/workdir-host-darwin-arm64-corellium-ios/tmp" "GOCACHE=/tmp/workdir-host-darwin-arm64-corellium-ios/gocache" "GOROOT_BOOTSTRAP=/var/mobile/go-darwin-arm64-bootstrap"] in dir /tmp/workdir-host-darwin-arm64-corellium-ios/go/src

Building Go cmd/dist using /var/mobile/go-darwin-arm64-bootstrap.
Building Go toolchain1 using /var/mobile/go-darwin-arm64-bootstrap.
Building Go bootstrap cmd/go (go_bootstrap) using Go toolchain1.
warning: unable to find runtime/cgo.a
Building Go toolchain2 using go_bootstrap and Go toolchain1.
Building Go toolchain3 using go_bootstrap and Go toolchain2.
# cmd/compile
runtime: pointer 0x1148057a8 to unallocated span span.base()=0x1140bc000 span.limit=0x0 span.state=3
runtime: found in object at *(0x10a3ac000+0xe200)
object=0x10a3ac000 s.base()=0x10a3ac000 s.limit=0x10a3d6f80 s.spanclass=0 s.elemsize=180224 s.state=mSpanInUse
 *(object+0) = 0x105db0571
 *(object+8) = 0x10
 *(object+16) = 0x70900000008
 *(object+24) = 0xffffffff
 *(object+32) = 0x0
 *(object+40) = 0x8b0674
 *(object+48) = 0x4
 *(object+56) = 0x0
 *(object+64) = 0x10c4f0aa0
 *(object+72) = 0x0
 *(object+80) = 0x130f24e80
 *(object+88) = 0x16
 *(object+96) = 0x0
 *(object+104) = 0x10a2c81e0
 *(object+112) = 0x0
 *(object+120) = 0x13085fa00
 *(object+128) = 0x1148b1674
 *(object+136) = 0x4
 *(object+144) = 0x19b48e6
 *(object+152) = 0x0
 *(object+160) = 0x0
 *(object+168) = 0x0
 *(object+176) = 0x105db0596
 *(object+184) = 0x10
 *(object+192) = 0x70900000008
 *(object+200) = 0xffffffff
 *(object+208) = 0x0
 *(object+216) = 0x8b06b4
 *(object+224) = 0x4
 *(object+232) = 0x0
 *(object+240) = 0x10c4f0aa0
 *(object+248) = 0x0
 *(object+256) = 0x130f24e80
 *(object+264) = 0x16
 *(object+272) = 0x0
 *(object+280) = 0x10a2c81e0
 *(object+288) = 0x0
 *(object+296) = 0x13085fa00
 *(object+304) = 0x1148b16b4
 *(object+312) = 0x4
 *(object+320) = 0x19b48a6
 *(object+328) = 0x0
 *(object+336) = 0x0
 *(object+344) = 0x0
 *(object+352) = 0x105db05bb
 *(object+360) = 0x10
 *(object+368) = 0x70900000008
 *(object+376) = 0xffffffff
 *(object+384) = 0x0
 *(object+392) = 0x8b06c0
 *(object+400) = 0x4
 *(object+408) = 0x0
 *(object+416) = 0x10c4f0aa0
 *(object+424) = 0x0
 *(object+432) = 0x130f24e80
 *(object+440) = 0x16
 *(object+448) = 0x0
 *(object+456) = 0x10a2c81e0
 *(object+464) = 0x0
 *(object+472) = 0x13085fa00
 *(object+480) = 0x1148b16c0
 *(object+488) = 0x4
 *(object+496) = 0x19b489a
 *(object+504) = 0x0
 *(object+512) = 0x0
 *(object+520) = 0x0
 *(object+528) = 0x105db05ce
 *(object+536) = 0x10
 *(object+544) = 0x70900000008
 *(object+552) = 0xffffffff
 *(object+560) = 0x0
 *(object+568) = 0x8b06f8
 *(object+576) = 0x4
 *(object+584) = 0x0
 *(object+592) = 0x10c4f0aa0
 *(object+600) = 0x0
 *(object+608) = 0x130f24e80
 *(object+616) = 0x16
 *(object+624) = 0x0
 *(object+632) = 0x10a2c81e0
 *(object+640) = 0x0
 *(object+648) = 0x13085fa00
 *(object+656) = 0x1148b16f8
 *(object+664) = 0x4
 *(object+672) = 0x19b4862
 *(object+680) = 0x0
 *(object+688) = 0x0
 *(object+696) = 0x0
 *(object+704) = 0x105db05e1
 *(object+712) = 0x11
 *(object+720) = 0x70900000008
 *(object+728) = 0xffffffff
 *(object+736) = 0x0
 *(object+744) = 0x8b188d
 *(object+752) = 0x5
 *(object+760) = 0x0
 *(object+768) = 0x10c4f0aa0
 *(object+776) = 0x0
 *(object+784) = 0x130f24e80
 *(object+792) = 0x16
 *(object+800) = 0x0
 *(object+808) = 0x10a2c81e0
 *(object+816) = 0x0
 *(object+824) = 0x13085fa00
 *(object+832) = 0x1148b288d
 *(object+840) = 0x5
 *(object+848) = 0x19b36cd
 *(object+856) = 0x0
 *(object+864) = 0x0
 *(object+872) = 0x0
 *(object+880) = 0x105db061c
 *(object+888) = 0xf
 *(object+896) = 0x70900000008
 *(object+904) = 0xffffffff
 *(object+912) = 0x0
 *(object+920) = 0x8afd7f
 *(object+928) = 0x3
 *(object+936) = 0x0
 *(object+944) = 0x10c4f0aa0
 *(object+952) = 0x0
 *(object+960) = 0x130f24e80
 *(object+968) = 0x16
 *(object+976) = 0x0
 *(object+984) = 0x10a2c81e0
 *(object+992) = 0x0
 *(object+1000) = 0x13085fa00
 *(object+1008) = 0x1148b0d7f
 *(object+1016) = 0x3
 ...
 *(object+57736) = 0x5d
 *(object+57744) = 0x30900000008
 *(object+57752) = 0x8ffffffff
 *(object+57760) = 0x0
 *(object+57768) = 0x8047a8
 *(object+57776) = 0x8
 *(object+57784) = 0x0
 *(object+57792) = 0x10c4f09f0
 *(object+57800) = 0x0
 *(object+57808) = 0x130f24e80
 *(object+57816) = 0x16
 *(object+57824) = 0x0
 *(object+57832) = 0x10a2c81e0
 *(object+57840) = 0x0
 *(object+57848) = 0x13085fa00
 *(object+57856) = 0x1148057a8 <==
 *(object+57864) = 0x8
 *(object+57872) = 0x1a607b2
 *(object+57880) = 0x10a71e6c0
 *(object+57888) = 0x1
 *(object+57896) = 0x1
 *(object+57904) = 0x105db3728
 *(object+57912) = 0x5b
 *(object+57920) = 0x30900000008
 *(object+57928) = 0x8ffffffff
 *(object+57936) = 0x0
 *(object+57944) = 0x803d20
 *(object+57952) = 0x8
 *(object+57960) = 0x0
 *(object+57968) = 0x10c4f09f0
 *(object+57976) = 0x0
 ...
fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?)

runtime stack:
runtime.throw(0x10054283e, 0x3e)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/panic.go:714 +0x4c fp=0x16fb232e0 sp=0x16fb232b0 pc=0x10030cf1c
runtime.findObject(0x1148057a8, 0x10a3ac000, 0xe200, 0x10094a358, 0x13002d270, 0x20)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mbitmap.go:397 +0x338 fp=0x16fb23330 sp=0x16fb232e0 pc=0x1002f4ba8
runtime.scanobject(0x10a3ac000, 0x13002d270)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgcmark.go:1174 +0x1e0 fp=0x16fb233d0 sp=0x16fb23330 pc=0x100300050
runtime.gcDrain(0x13002d270, 0x7)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgcmark.go:932 +0x218 fp=0x16fb23430 sp=0x16fb233d0 pc=0x1002ff848
runtime.gcBgMarkWorker.func2()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:1927 +0x174 fp=0x16fb23470 sp=0x16fb23430 pc=0x100331ed4
runtime.systemstack(0x1006fe4c0)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:237 +0x98 fp=0x16fb23480 sp=0x16fb23470 pc=0x100334698
runtime.mstart()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:1146 fp=0x16fb23480 sp=0x16fb23480 pc=0x100311180

goroutine 6 [GC worker (idle)]:
runtime.systemstack_switch()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:183 +0x8 fp=0x13003ef50 sp=0x13003ef40 pc=0x1003345e8
runtime.gcBgMarkWorker(0x13002c000)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:1891 +0x1ac fp=0x13003efd0 sp=0x13003ef50 pc=0x1002fb9ec
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x13003efd0 sp=0x13003efd0 pc=0x100336d94
created by runtime.gcBgMarkStartWorkers
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:1785 +0x70

goroutine 1 [runnable]:
syscall.syscallX(0x10036ef90, 0x3, 0x2266000, 0x0, 0x2266000, 0x0, 0x0)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/sys_darwin_64.go:16 +0x14 fp=0x13061efe0 sp=0x13061efa0 pc=0x1003294d4
syscall.Seek(0x3, 0x2266000, 0x0, 0x133f36c66, 0x2, 0x100458844)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/syscall/zsyscall_darwin_arm64.go:1378 +0x48 fp=0x13061f040 sp=0x13061efe0 pc=0x10036ded8
internal/poll.(*FD).Seek(0x130081c20, 0x2266000, 0x0, 0x0, 0x0, 0x0)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/internal/poll/fd_unix.go:404 +0x88 fp=0x13061f080 sp=0x13061f040 pc=0x10037caa8
os.(*File).seek(...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/os/file_unix.go:293
os.(*File).Seek(0x1300185a8, 0x2266000, 0x0, 0x10af42890, 0x8, 0x1004528a8)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/os/file.go:207 +0x50 fp=0x13061f0e0 sp=0x13061f080 pc=0x10037f370
cmd/link/internal/ld.(*OutBuf).SeekSet(0x13007c980, 0x2266000)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/cmd/link/internal/ld/outbuf.go:47 +0x60 fp=0x13061f180 sp=0x13061f0e0 pc=0x100458860
cmd/link/internal/ld.Domacholink(0x1306e8000, 0x2265f5a)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/cmd/link/internal/ld/macho.go:986 +0x274 fp=0x13061f200 sp=0x13061f180 pc=0x100452a44
cmd/link/internal/arm64.asmb2(0x1306e8000)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/cmd/link/internal/arm64/asm.go:851 +0x8c0 fp=0x13061f2e0 sp=0x13061f200 pc=0x100485260
cmd/link/internal/ld.Main(0x1006f4120, 0x8, 0x20, 0x1, 0x1f, 0x1e, 0x100539979, 0x1a, 0x1005300ce, 0x3, ...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/cmd/link/internal/ld/main.go:271 +0xca8 fp=0x13061f440 sp=0x13061f2e0 pc=0x100457c08
main.main()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/cmd/link/main.go:65 +0x184 fp=0x13061ff80 sp=0x13061f440 pc=0x1004b5f74
runtime.main()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:203 +0x21c fp=0x13061ffd0 sp=0x13061ff80 pc=0x10030e69c
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x13061ffd0 sp=0x13061ffd0 pc=0x100336d94

goroutine 2 [force gc (idle)]:
runtime.gopark(0x100544a70, 0x1006fd6c0, 0x1411, 0x1)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:304 +0xc8 fp=0x13003ffa0 sp=0x13003ff80 pc=0x10030ea78
runtime.goparkunlock(...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:310
runtime.forcegchelper()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:253 +0xb0 fp=0x13003ffd0 sp=0x13003ffa0 pc=0x10030e930
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x13003ffd0 sp=0x13003ffd0 pc=0x100336d94
created by runtime.init.4
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:242 +0x28

goroutine 3 [GC sweep wait]:
runtime.gopark(0x100544a70, 0x1006fd7e0, 0x140c, 0x1)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:304 +0xc8 fp=0x130040fa0 sp=0x130040f80 pc=0x10030ea78
runtime.goparkunlock(...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:310
runtime.bgsweep(0x13007e000)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgcsweep.go:89 +0x170 fp=0x130040fd0 sp=0x130040fa0 pc=0x100301da0
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x130040fd0 sp=0x130040fd0 pc=0x100336d94
created by runtime.gcenable
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:210 +0x4c

goroutine 4 [GC scavenge wait]:
runtime.gopark(0x100544a70, 0x1006fda00, 0x140d, 0x1)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:304 +0xc8 fp=0x130041f20 sp=0x130041f00 pc=0x10030ea78
runtime.goparkunlock(...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:310
runtime.bgscavenge(0x13007e000)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgcscavenge.go:257 +0xdc fp=0x130041fd0 sp=0x130041f20 pc=0x1003013fc
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x130041fd0 sp=0x130041fd0 pc=0x100336d94
created by runtime.gcenable
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:211 +0x6c

goroutine 5 [finalizer wait]:
runtime.gopark(0x100544a70, 0x10071e6a0, 0x1410, 0x1)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:304 +0xc8 fp=0x13003af30 sp=0x13003af10 pc=0x10030ea78
runtime.goparkunlock(...)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/proc.go:310
runtime.runfinq()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mfinal.go:175 +0xac fp=0x13003afd0 sp=0x13003af30 pc=0x1002f827c
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x13003afd0 sp=0x13003afd0 pc=0x100336d94
created by runtime.createfing
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mfinal.go:156 +0x64

goroutine 18 [GC worker (idle)]:
runtime.systemstack_switch()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:183 +0x8 fp=0x130618f50 sp=0x130618f40 pc=0x1003345e8
runtime.gcBgMarkWorker(0x13002e500)
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:1891 +0x1ac fp=0x130618fd0 sp=0x130618f50 pc=0x1002fb9ec
runtime.goexit()
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/asm_arm64.s:1128 +0x4 fp=0x130618fd0 sp=0x130618fd0 pc=0x100336d94
created by runtime.gcBgMarkStartWorkers
	/private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/src/runtime/mgc.go:1785 +0x70
go tool dist: FAILED: /private/var/tmp/workdir-host-darwin-arm64-corellium-ios/go/pkg/tool/darwin_arm64/go_bootstrap install -gcflags=all= -ldflags=all= -a -i cmd/asm cmd/cgo cmd/compile cmd/link: exit status 2

@bcmills bcmills added mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Darwin labels May 30, 2019
@bcmills bcmills added this to the Go1.13 milestone May 30, 2019
@bcmills
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bcmills commented May 30, 2019

CC @mknyszek @aclements

@mknyszek mknyszek mentioned this issue Jun 4, 2019
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@bcmills
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bcmills commented Jul 3, 2019 •
edited

Another darwin-arm64-corellium: https://build.golang.org/log/66e0d48ead7ffac7cba4bc9427b75a968027cb80

@eliasnaur
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Another, this time in the cmd/compile test:

https://build.golang.org/log/2a4dfbd156fcf4676e7e745c78219497c463c38f

@andybons andybons modified the milestones: Go1.13, Go1.14 Jul 8, 2019
@bcmills bcmills mentioned this issue Sep 27, 2019
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@bcmills
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bcmills commented Sep 27, 2019

https://build.golang.org/log/d8f2a029d3e9b9b6bc5dcb83b4de74bbf9b6dafc

@rsc rsc modified the milestones: Go1.14, Backlog Oct 9, 2019
@bcmills bcmills mentioned this issue Oct 14, 2019
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@mengzhuo
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Failed at linux/mips64le too

https://build.golang.org/log/e93b008016bfe25042e76766bd32eaa749b4b809

@bcmills bcmills mentioned this issue Nov 12, 2019
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@mknyszek
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Should we move this into the Go 1.14 release? @bcmills

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bcmills commented Nov 12, 2019 •
edited

Maybe? I think #35541 is pretty clearly worth investigating, since that's on real hardware, but it's not clear to me that a failure that only occurs on darwin-arm64-corellium is necessarily worth tracking down. (It would be great if we could get the actual-hardware iOS builders running stably enough to see whether it occurs on those.)

2019-11-12T05:18:25-194ae32/linux-mips64le-mengzhuo
2019-11-11T16:02:42-f511467/linux-mips64le-mengzhuo
2019-09-26T17:34:54-430d2aa/darwin-arm64-corellium
2019-09-25T16:33:28-8189a06/darwin-arm64-corellium
2019-08-29T19:54:46-75198b9/darwin-arm64-corellium
2019-08-28T10:04:01-5ff12f6/plan9-arm
2019-08-27T21:02:43-cc6feab/darwin-arm64-corellium
2019-07-03T07:14:40-e2fdce9/darwin-arm64-corellium
2019-06-26T20:10:05-fc26cba/darwin-arm64-corellium
2019-06-03T19:02:11-cbdf9ad/darwin-arm64-corellium
2019-05-28T17:13:46-ddb5d0d/darwin-arm64-corellium
2019-04-11T18:59:57-8d86ef2/plan9-arm

@bcmills bcmills mentioned this issue Feb 27, 2020
Open
@bcmills bcmills mentioned this issue Mar 5, 2020
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@bcmills bcmills changed the title runtime: "found bad pointer in Go heap" on darwin-arm64-corellium builder runtime: "found bad pointer in Go heap" on darwin/arm64 Dec 9, 2021
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bcmills commented Dec 9, 2021

Haven't seen any more of these on darwin-arm64-corellium since 2019.
(#50063 tracks a similar issue on a current darwin-arm64 builder.)

@bcmills bcmills closed this as completed Dec 9, 2021
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FrozenDueToAge mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Darwin
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