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bradfitz opened this issue Nov 1, 2021 · 3 comments
Closed

runtime: pollCache.free crash #49273

bradfitz opened this issue Nov 1, 2021 · 3 comments
Labels
FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-OpenBSD
Milestone
Go1.18

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@bradfitz
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bradfitz commented Nov 1, 2021

Trybot flake:
https://storage.googleapis.com/go-build-log/e38e03fb/openbsd-amd64-68_52a7023e.log

openbsd-amd64-68 at e38e03fb4517436aacc0f4802b18743958b8f2fe (pending change with git parent 2bcf1c0)

ok  	crypto/tls	0.475s
ok  	crypto/x509	0.429s
ok  	database/sql	0.961s
ok  	database/sql/driver	0.040s

##### 
fatal error: unexpected signal during runtime execution
[signal SIGSEGV: segmentation violation code=0x1 addr=0x278 pc=0x40c74e]

goroutine 1826 [running]:
runtime.throw({0x9cd8d6?, 0xc00068b2d8?})
	/tmp/workdir/go/src/runtime/panic.go:992 +0x71 fp=0xc0000475b8 sp=0xc000047588 pc=0x433a31
runtime.sigpanic()
	/tmp/workdir/go/src/runtime/signal_unix.go:781 +0x3a9 fp=0xc000047608 sp=0xc0000475b8 pc=0x449009
runtime.unlock2(0xaa8e40?)
	/tmp/workdir/go/src/runtime/lock_sema.go:115 +0x4e fp=0xc000047630 sp=0xc000047608 pc=0x40c74e
runtime.unlockWithRank(...)
	/tmp/workdir/go/src/runtime/lockrank_off.go:31
runtime.unlock(...)
	/tmp/workdir/go/src/runtime/lock_sema.go:97
runtime.(*pollCache).free(0xdbb800, 0x2490553a8)
	/tmp/workdir/go/src/runtime/netpoll.go:199 +0x45 fp=0xc000047648 sp=0xc000047630 pc=0x42f965
internal/poll.runtime_pollClose(0xc0000476a0?)
	/tmp/workdir/go/src/runtime/netpoll.go:192 +0x4e fp=0xc000047668 sp=0xc000047648 pc=0x45d8ae
internal/poll.(*pollDesc).close(...)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:51
internal/poll.(*FD).destroy(0xc00068b2c0)
	/tmp/workdir/go/src/internal/poll/fd_unix.go:76 +0x2e fp=0xc000047690 sp=0xc000047668 pc=0x4c478e
internal/poll.(*FD).decref(0x2490553a8?)
	/tmp/workdir/go/src/internal/poll/fd_mutex.go:213 +0x53 fp=0xc0000476b0 sp=0xc000047690 pc=0x4c3613
internal/poll.(*FD).Close(0xc00068b2c0)
	/tmp/workdir/go/src/internal/poll/fd_unix.go:106 +0x4f fp=0xc0000476d8 sp=0xc0000476b0 pc=0x4c484f
os.(*file).close(0xc00068b2c0)
	/tmp/workdir/go/src/os/file_unix.go:252 +0xad fp=0xc000047730 sp=0xc0000476d8 pc=0x4d194d
os.(*File).Close(...)
	/tmp/workdir/go/src/os/file_posix.go:25
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:312 +0x57 fp=0xc000047790 sp=0xc000047730 pc=0x4fdeb7
os/exec.(*Cmd).Start.func1(0xc000047798?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc0000477c8 sp=0xc000047790 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc0000477e0 sp=0xc0000477c8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0000477e8 sp=0xc0000477e0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

goroutine 1 [semacquire]:
runtime.gopark(0x406aca?, 0x2f5a2ccc8?, 0x80?, 0x2d?, 0x40e1a5?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000156fc8 sp=0xc000156fa8 pc=0x436536
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:372
runtime.semacquire1(0xc000808aa8, 0x80?, 0x1, 0x0)
	/tmp/workdir/go/src/runtime/sema.go:144 +0x1f3 fp=0xc000157030 sp=0xc000156fc8 pc=0x446533
sync.runtime_Semacquire(0xc0007c1680?)
	/tmp/workdir/go/src/runtime/sema.go:56 +0x25 fp=0xc000157060 sp=0xc000157030 pc=0x45f165
sync.(*WaitGroup).Wait(0x95acc0?)
	/tmp/workdir/go/src/sync/waitgroup.go:136 +0x52 fp=0xc000157088 sp=0xc000157060 pc=0x46e7b2
cmd/go/internal/work.(*Builder).Do(0xc000479e00, {0xaad6a8, 0xc0000a2000}, 0xc000670f00)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:210 +0x4af fp=0xc0001571a0 sp=0xc000157088 pc=0x85a5cf
cmd/go/internal/list.runList({0xaad6a8?, 0xc0000a2000}, 0xc0000ce258?, {0xc0000b2170, 0x44?, 0x1})
	/tmp/workdir/go/src/cmd/go/internal/list/list.go:607 +0xf8b fp=0xc000157d98 sp=0xc0001571a0 pc=0x89e48b
main.invoke(0xd7bf00, {0xc0000b2130, 0x5, 0x5})
	/tmp/workdir/go/src/cmd/go/main.go:216 +0x2ee fp=0xc000157e60 sp=0xc000157d98 pc=0x8da9ce
main.main()
	/tmp/workdir/go/src/cmd/go/main.go:173 +0x78e fp=0xc000157f80 sp=0xc000157e60 pc=0x8da3ae
runtime.main()
	/tmp/workdir/go/src/runtime/proc.go:255 +0x213 fp=0xc000157fe0 sp=0xc000157f80 pc=0x436173
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000157fe8 sp=0xc000157fe0 pc=0x463241

goroutine 2 [force gc (idle)]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000044fb0 sp=0xc000044f90 pc=0x436536
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:372
runtime.forcegchelper()
	/tmp/workdir/go/src/runtime/proc.go:306 +0xa5 fp=0xc000044fe0 sp=0xc000044fb0 pc=0x4363c5
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000044fe8 sp=0xc000044fe0 pc=0x463241
created by runtime.init.6
	/tmp/workdir/go/src/runtime/proc.go:294 +0x25

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000045790 sp=0xc000045770 pc=0x436536
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:372
runtime.bgsweep(0x0?)
	/tmp/workdir/go/src/runtime/mgcsweep.go:297 +0xd7 fp=0xc0000457c8 sp=0xc000045790 pc=0x423c77
runtime.gcenable.func1()
	/tmp/workdir/go/src/runtime/mgc.go:177 +0x26 fp=0xc0000457e0 sp=0xc0000457c8 pc=0x419f66
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0000457e8 sp=0xc0000457e0 pc=0x463241
created by runtime.gcenable
	/tmp/workdir/go/src/runtime/mgc.go:177 +0x6b

goroutine 4 [GC scavenge wait]:
runtime.gopark(0xc000045fa0?, 0x0?, 0x0?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000045f60 sp=0xc000045f40 pc=0x436536
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:372
runtime.bgscavenge(0x0?)
	/tmp/workdir/go/src/runtime/mgcscavenge.go:320 +0x288 fp=0xc000045fc8 sp=0xc000045f60 pc=0x421d08
runtime.gcenable.func2()
	/tmp/workdir/go/src/runtime/mgc.go:178 +0x26 fp=0xc000045fe0 sp=0xc000045fc8 pc=0x419f06
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000045fe8 sp=0xc000045fe0 pc=0x463241
created by runtime.gcenable
	/tmp/workdir/go/src/runtime/mgc.go:178 +0xaa

goroutine 18 [finalizer wait]:
runtime.gopark(0xd8baa0?, 0xc0000824e0?, 0x70?, 0x47?, 0x442ed1?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000044630 sp=0xc000044610 pc=0x436536
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:372
runtime.runfinq()
	/tmp/workdir/go/src/runtime/mfinal.go:177 +0xb3 fp=0xc0000447e0 sp=0xc000044630 pc=0x419053
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0000447e8 sp=0xc0000447e0 pc=0x463241
created by runtime.createfing
	/tmp/workdir/go/src/runtime/mfinal.go:157 +0x45

goroutine 20 [GC worker (idle)]:
runtime.gopark(0xc000125380?, 0xc0000407a0?, 0xb9?, 0x71?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000040758 sp=0xc000040738 pc=0x436536
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1196 +0xe5 fp=0xc0000407e0 sp=0xc000040758 pc=0x41bf85
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0000407e8 sp=0xc0000407e0 pc=0x463241
created by runtime.gcBgMarkStartWorkers
	/tmp/workdir/go/src/runtime/mgc.go:1120 +0x25

goroutine 21 [GC worker (idle)]:
runtime.gopark(0xc000040fb8?, 0x0?, 0x0?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000040f58 sp=0xc000040f38 pc=0x436536
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1196 +0xe5 fp=0xc000040fe0 sp=0xc000040f58 pc=0x41bf85
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000040fe8 sp=0xc000040fe0 pc=0x463241
created by runtime.gcBgMarkStartWorkers
	/tmp/workdir/go/src/runtime/mgc.go:1120 +0x25

goroutine 22 [GC worker (idle)]:
runtime.gopark(0xc0000417b8?, 0xc00002c060?, 0x18?, 0x14?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000041758 sp=0xc000041738 pc=0x436536
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1196 +0xe5 fp=0xc0000417e0 sp=0xc000041758 pc=0x41bf85
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0000417e8 sp=0xc0000417e0 pc=0x463241
created by runtime.gcBgMarkStartWorkers
	/tmp/workdir/go/src/runtime/mgc.go:1120 +0x25

goroutine 34 [GC worker (idle)]:
runtime.gopark(0xdbbf40?, 0x3?, 0xfc?, 0x3?, 0x0?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000486758 sp=0xc000486738 pc=0x436536
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1196 +0xe5 fp=0xc0004867e0 sp=0xc000486758 pc=0x41bf85
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0004867e8 sp=0xc0004867e0 pc=0x463241
created by runtime.gcBgMarkStartWorkers
	/tmp/workdir/go/src/runtime/mgc.go:1120 +0x25

goroutine 1812 [IO wait]:
runtime.gopark(0x7?, 0xc00063cc00?, 0x0?, 0x2?, 0xffffffffffffffff?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000483500 sp=0xc0004834e0 pc=0x436536
runtime.netpollblock(0x475749?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/netpoll.go:453 +0xf3 fp=0xc000483538 sp=0xc000483500 pc=0x42fbd3
internal/poll.runtime_pollWait(0x238df6118, 0x72)
	/tmp/workdir/go/src/runtime/netpoll.go:233 +0x89 fp=0xc000483558 sp=0xc000483538 pc=0x45da29
internal/poll.(*pollDesc).wait(0xc0004b0780?, 0xc00063cc00?, 0x1)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:83 +0x32 fp=0xc000483580 sp=0xc000483558 pc=0x4c3992
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:88
internal/poll.(*FD).Read(0xc0004b0780, {0xc00063cc00, 0x200, 0x200})
	/tmp/workdir/go/src/internal/poll/fd_unix.go:166 +0x25a fp=0xc000483600 sp=0xc000483580 pc=0x4c4cfa
os.(*File).read(...)
	/tmp/workdir/go/src/os/file_posix.go:31
os.(*File).Read(0xc00030a1b0, {0xc00063cc00?, 0x1?, 0xc0004836a0?})
	/tmp/workdir/go/src/os/file.go:119 +0x5e fp=0xc000483658 sp=0xc000483600 pc=0x4ce3de
bytes.(*Buffer).ReadFrom(0xc0002a2c30, {0xaa9300, 0xc00030a1b0})
	/tmp/workdir/go/src/bytes/buffer.go:204 +0x98 fp=0xc0004836b0 sp=0xc000483658 pc=0x4f8bb8
io.copyBuffer({0xaa8420, 0xc0002a2c30}, {0xaa9300, 0xc00030a1b0}, {0x0, 0x0, 0x0})
	/tmp/workdir/go/src/io/io.go:412 +0x14b fp=0xc000483730 sp=0xc0004836b0 pc=0x4bf0eb
io.Copy(...)
	/tmp/workdir/go/src/io/io.go:385
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:311 +0x3a fp=0xc000483790 sp=0xc000483730 pc=0x4fde9a
os/exec.(*Cmd).Start.func1(0x1f?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc0004837c8 sp=0xc000483790 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc0004837e0 sp=0xc0004837c8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0004837e8 sp=0xc0004837e0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

goroutine 1796 [runnable]:
syscall.syscall6(0x476e20, 0xc0e8, 0xc00065ecbc, 0x0, 0xc0005c0090, 0x0, 0x0)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:46 +0x3b fp=0xc00065ebd8 sp=0xc00065ebb8 pc=0x45febb
syscall.syscall6(0x38?, 0x8?, 0x38?, 0x100c00065ecc8?, 0x2f5a2c888?, 0x0?, 0x2f5a23f18?)
	<autogenerated>:1 +0x35 fp=0xc00065ec38 sp=0xc00065ebd8 pc=0x465835
syscall.wait4(0xc00065ecc0?, 0x40e507?, 0x90?, 0x99e3c0?)
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_amd64.go:43 +0x48 fp=0xc00065ec98 sp=0xc00065ec38 pc=0x473208
syscall.Wait4(0x203000?, 0xc00065ecf4, 0x46f986?, 0x580?)
	/tmp/workdir/go/src/syscall/syscall_bsd.go:144 +0x2b fp=0xc00065ecd0 sp=0xc00065ec98 pc=0x470fab
os.(*Process).wait(0xc0007cc180)
	/tmp/workdir/go/src/os/exec_unix.go:43 +0x77 fp=0xc00065ed28 sp=0xc00065ecd0 pc=0x4cd817
os.(*Process).Wait(...)
	/tmp/workdir/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000872580)
	/tmp/workdir/go/src/os/exec/exec.go:507 +0x54 fp=0xc00065eda0 sp=0xc00065ed28 pc=0x4fedb4
os/exec.(*Cmd).Run(0x913d20?)
	/tmp/workdir/go/src/os/exec/exec.go:341 +0x39 fp=0xc00065edc0 sp=0xc00065eda0 pc=0x4fdf19
cmd/go/internal/work.(*Builder).toolID(0xc000479e00, {0x9b0e41, 0x9b98c2?})
	/tmp/workdir/go/src/cmd/go/internal/work/buildid.go:167 +0x425 fp=0xc00065efa8 sp=0xc00065edc0 pc=0x8560e5
cmd/go/internal/work.(*Builder).buildActionID(0xc000479e00, 0xc00059e8c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:314 +0xff6 fp=0xc00065f3b0 sp=0xc00065efa8 pc=0x85c336
cmd/go/internal/work.(*Builder).build(0xc000479e00, {0xc0000a2000?, 0xc000548000?}, 0xc00059e8c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:472 +0x199 fp=0xc00065fdb8 sp=0xc00065f3b0 pc=0x85d6d9
cmd/go/internal/work.(*Builder).Do.func2({0xaad6a8, 0xc0000a2000}, 0xc00059e8c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:139 +0x5ec fp=0xc00065ff20 sp=0xc00065fdb8 pc=0x85b00c
cmd/go/internal/work.(*Builder).Do.func3()
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:201 +0xb9 fp=0xc00065ffe0 sp=0xc00065ff20 pc=0x85a839
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc00065ffe8 sp=0xc00065ffe0 pc=0x463241
created by cmd/go/internal/work.(*Builder).Do
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:187 +0x3da

goroutine 1798 [runnable]:
syscall.syscall(0x4770e0, 0xe, 0x0, 0x0)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:24 +0x3b fp=0xc0005008f8 sp=0xc0005008d8 pc=0x45fdbb
syscall.syscall(0x472272?, 0xc00056ec00?, 0x32e580?, 0xc0005009f8?)
	<autogenerated>:1 +0x26 fp=0xc000500940 sp=0xc0005008f8 pc=0x465766
syscall.Close(0xdbb860?)
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_amd64.go:512 +0x2f fp=0xc000500970 sp=0xc000500940 pc=0x47462f
syscall.forkExec({0xc000548360?, 0x9b12c2?}, {0xc00049a1e0?, 0x2?, 0x2?}, 0xa55fb92700000300?)
	/tmp/workdir/go/src/syscall/exec_unix.go:226 +0x499 fp=0xc000500a98 sp=0xc000500970 pc=0x470959
syscall.StartProcess(...)
	/tmp/workdir/go/src/syscall/exec_unix.go:263
os.startProcess({0xc000548360, 0xc000500bb8?}, {0xc00049a1e0, 0x2, 0x2}, 0xc000500d48)
	/tmp/workdir/go/src/os/exec_posix.go:54 +0x332 fp=0xc000500b80 sp=0xc000500a98 pc=0x4cd3d2
os.StartProcess({0xc000548360, 0x2a}, {0xc00049a1e0, 0x2, 0x2}, 0x0?)
	/tmp/workdir/go/src/os/exec.go:109 +0x5a fp=0xc000500bc8 sp=0xc000500b80 pc=0x4ccdda
os/exec.(*Cmd).Start(0xc00032e420)
	/tmp/workdir/go/src/os/exec/exec.go:422 +0x565 fp=0xc000500da0 sp=0xc000500bc8 pc=0x4fe4a5
os/exec.(*Cmd).Run(0x913d20?)
	/tmp/workdir/go/src/os/exec/exec.go:338 +0x1e fp=0xc000500dc0 sp=0xc000500da0 pc=0x4fdefe
cmd/go/internal/work.(*Builder).toolID(0xc000479e00, {0x9b0e41, 0x9b98c2?})
	/tmp/workdir/go/src/cmd/go/internal/work/buildid.go:167 +0x425 fp=0xc000500fa8 sp=0xc000500dc0 pc=0x8560e5
cmd/go/internal/work.(*Builder).buildActionID(0xc000479e00, 0xc00059f2c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:314 +0xff6 fp=0xc0005013b0 sp=0xc000500fa8 pc=0x85c336
cmd/go/internal/work.(*Builder).build(0xc000479e00, {0xc0000a2000?, 0x0?}, 0xc00059f2c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:472 +0x199 fp=0xc000501db8 sp=0xc0005013b0 pc=0x85d6d9
cmd/go/internal/work.(*Builder).Do.func2({0xaad6a8, 0xc0000a2000}, 0xc00059f2c0)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:139 +0x5ec fp=0xc000501f20 sp=0xc000501db8 pc=0x85b00c
cmd/go/internal/work.(*Builder).Do.func3()
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:201 +0xb9 fp=0xc000501fe0 sp=0xc000501f20 pc=0x85a839
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000501fe8 sp=0xc000501fe0 pc=0x463241
created by cmd/go/internal/work.(*Builder).Do
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:187 +0x3da

goroutine 1813 [IO wait]:
runtime.gopark(0x9?, 0xc00063ce00?, 0x0?, 0x2?, 0xffffffffffffffff?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000484d00 sp=0xc000484ce0 pc=0x436536
runtime.netpollblock(0x475749?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/netpoll.go:453 +0xf3 fp=0xc000484d38 sp=0xc000484d00 pc=0x42fbd3
internal/poll.runtime_pollWait(0x249055cb8, 0x72)
	/tmp/workdir/go/src/runtime/netpoll.go:233 +0x89 fp=0xc000484d58 sp=0xc000484d38 pc=0x45da29
internal/poll.(*pollDesc).wait(0xc0004b0840?, 0xc00063ce00?, 0x1)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:83 +0x32 fp=0xc000484d80 sp=0xc000484d58 pc=0x4c3992
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:88
internal/poll.(*FD).Read(0xc0004b0840, {0xc00063ce00, 0x200, 0x200})
	/tmp/workdir/go/src/internal/poll/fd_unix.go:166 +0x25a fp=0xc000484e00 sp=0xc000484d80 pc=0x4c4cfa
os.(*File).read(...)
	/tmp/workdir/go/src/os/file_posix.go:31
os.(*File).Read(0xc00030a1d8, {0xc00063ce00?, 0x1?, 0xc000484ea0?})
	/tmp/workdir/go/src/os/file.go:119 +0x5e fp=0xc000484e58 sp=0xc000484e00 pc=0x4ce3de
bytes.(*Buffer).ReadFrom(0xc0002a2cc0, {0xaa9300, 0xc00030a1d8})
	/tmp/workdir/go/src/bytes/buffer.go:204 +0x98 fp=0xc000484eb0 sp=0xc000484e58 pc=0x4f8bb8
io.copyBuffer({0xaa8420, 0xc0002a2cc0}, {0xaa9300, 0xc00030a1d8}, {0x0, 0x0, 0x0})
	/tmp/workdir/go/src/io/io.go:412 +0x14b fp=0xc000484f30 sp=0xc000484eb0 pc=0x4bf0eb
io.Copy(...)
	/tmp/workdir/go/src/io/io.go:385
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:311 +0x3a fp=0xc000484f90 sp=0xc000484f30 pc=0x4fde9a
os/exec.(*Cmd).Start.func1(0x0?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc000484fc8 sp=0xc000484f90 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc000484fe0 sp=0xc000484fc8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000484fe8 sp=0xc000484fe0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

goroutine 1799 [runnable]:
syscall.syscall6(0x476e20, 0xcbe1, 0xc000504cbc, 0x0, 0xc000578000, 0x0, 0x0)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:46 +0x3b fp=0xc000504bd8 sp=0xc000504bb8 pc=0x45febb
syscall.syscall6(0x17?, 0x8?, 0x38?, 0x101c000504cc8?, 0x238dea8e0?, 0x0?, 0x2f5a23a68?)
	<autogenerated>:1 +0x35 fp=0xc000504c38 sp=0xc000504bd8 pc=0x465835
syscall.wait4(0xc000504cc0?, 0x40e507?, 0x90?, 0x99e3c0?)
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_amd64.go:43 +0x48 fp=0xc000504c98 sp=0xc000504c38 pc=0x473208
syscall.Wait4(0x203000?, 0xc000504cf4, 0x46f986?, 0x580?)
	/tmp/workdir/go/src/syscall/syscall_bsd.go:144 +0x2b fp=0xc000504cd0 sp=0xc000504c98 pc=0x470fab
os.(*Process).wait(0xc0005480c0)
	/tmp/workdir/go/src/os/exec_unix.go:43 +0x77 fp=0xc000504d28 sp=0xc000504cd0 pc=0x4cd817
os.(*Process).Wait(...)
	/tmp/workdir/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc000367600)
	/tmp/workdir/go/src/os/exec/exec.go:507 +0x54 fp=0xc000504da0 sp=0xc000504d28 pc=0x4fedb4
os/exec.(*Cmd).Run(0x913d20?)
	/tmp/workdir/go/src/os/exec/exec.go:341 +0x39 fp=0xc000504dc0 sp=0xc000504da0 pc=0x4fdf19
cmd/go/internal/work.(*Builder).toolID(0xc000479e00, {0x9b2cca, 0x9b5c7d?})
	/tmp/workdir/go/src/cmd/go/internal/work/buildid.go:167 +0x425 fp=0xc000504fa8 sp=0xc000504dc0 pc=0x8560e5
cmd/go/internal/work.(*Builder).buildActionID(0xc000479e00, 0xc000671a40)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:312 +0xef5 fp=0xc0005053b0 sp=0xc000504fa8 pc=0x85c235
cmd/go/internal/work.(*Builder).build(0xc000479e00, {0xaad6a8?, 0xc0000a2000?}, 0xc000671a40)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:472 +0x199 fp=0xc000505db8 sp=0xc0005053b0 pc=0x85d6d9
cmd/go/internal/work.(*Builder).Do.func2({0xaad6a8, 0xc0000a2000}, 0xc000671a40)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:139 +0x5ec fp=0xc000505f20 sp=0xc000505db8 pc=0x85b00c
cmd/go/internal/work.(*Builder).Do.func3()
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:201 +0xb9 fp=0xc000505fe0 sp=0xc000505f20 pc=0x85a839
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000505fe8 sp=0xc000505fe0 pc=0x463241
created by cmd/go/internal/work.(*Builder).Do
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:187 +0x3da

goroutine 1797 [runnable]:
syscall.syscall6(0x476e20, 0x2097, 0xc00065acbc, 0x0, 0xc000356000, 0x0, 0x0)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:46 +0x3b fp=0xc00065abd8 sp=0xc00065abb8 pc=0x45febb
syscall.syscall6(0x17?, 0x8?, 0x38?, 0x101c00065ac88?, 0x238dcf500?, 0x0?, 0x2f5a235b8?)
	<autogenerated>:1 +0x35 fp=0xc00065ac38 sp=0xc00065abd8 pc=0x465835
syscall.wait4(0xc00065acc0?, 0x40e507?, 0x90?, 0x99e3c0?)
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_amd64.go:43 +0x48 fp=0xc00065ac98 sp=0xc00065ac38 pc=0x473208
syscall.Wait4(0x203000?, 0xc00065acf4, 0x2f5a235b8?, 0x580?)
	/tmp/workdir/go/src/syscall/syscall_bsd.go:144 +0x2b fp=0xc00065acd0 sp=0xc00065ac98 pc=0x470fab
os.(*Process).wait(0xc0005a20c0)
	/tmp/workdir/go/src/os/exec_unix.go:43 +0x77 fp=0xc00065ad28 sp=0xc00065acd0 pc=0x4cd817
os.(*Process).Wait(...)
	/tmp/workdir/go/src/os/exec.go:132
os/exec.(*Cmd).Wait(0xc0007da000)
	/tmp/workdir/go/src/os/exec/exec.go:507 +0x54 fp=0xc00065ada0 sp=0xc00065ad28 pc=0x4fedb4
os/exec.(*Cmd).Run(0x913d20?)
	/tmp/workdir/go/src/os/exec/exec.go:341 +0x39 fp=0xc00065adc0 sp=0xc00065ada0 pc=0x4fdf19
cmd/go/internal/work.(*Builder).toolID(0xc000479e00, {0x9b2cca, 0x9b5c7d?})
	/tmp/workdir/go/src/cmd/go/internal/work/buildid.go:167 +0x425 fp=0xc00065afa8 sp=0xc00065adc0 pc=0x8560e5
cmd/go/internal/work.(*Builder).buildActionID(0xc000479e00, 0xc000671e00)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:312 +0xef5 fp=0xc00065b3b0 sp=0xc00065afa8 pc=0x85c235
cmd/go/internal/work.(*Builder).build(0xc000479e00, {0xc0000a2000?, 0x0?}, 0xc000671e00)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:472 +0x199 fp=0xc00065bdb8 sp=0xc00065b3b0 pc=0x85d6d9
cmd/go/internal/work.(*Builder).Do.func2({0xaad6a8, 0xc0000a2000}, 0xc000671e00)
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:139 +0x5ec fp=0xc00065bf20 sp=0xc00065bdb8 pc=0x85b00c
cmd/go/internal/work.(*Builder).Do.func3()
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:201 +0xb9 fp=0xc00065bfe0 sp=0xc00065bf20 pc=0x85a839
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc00065bfe8 sp=0xc00065bfe0 pc=0x463241
created by cmd/go/internal/work.(*Builder).Do
	/tmp/workdir/go/src/cmd/go/internal/work/exec.go:187 +0x3da

goroutine 1827 [runnable]:
syscall.syscall(0x477340, 0x16, 0xc00015a200, 0x200)
	/tmp/workdir/go/src/runtime/sys_openbsd3.go:24 +0x3b fp=0xc000487cf8 sp=0xc000487cd8 pc=0x45fdbb
syscall.syscall(0x1010000000000?, 0xc000487d70?, 0x4c3992?, 0x249055008?)
	<autogenerated>:1 +0x26 fp=0xc000487d40 sp=0xc000487cf8 pc=0x465766
syscall.read(0xc00068b380?, {0xc00015a200?, 0x44a101?, 0x4f8cde?})
	/tmp/workdir/go/src/syscall/zsyscall_openbsd_amd64.go:1143 +0x49 fp=0xc000487d80 sp=0xc000487d40 pc=0x475749
syscall.Read(...)
	/tmp/workdir/go/src/syscall/syscall_unix.go:188
internal/poll.ignoringEINTRIO(...)
	/tmp/workdir/go/src/internal/poll/fd_unix.go:687
internal/poll.(*FD).Read(0xc00068b380?, {0xc00015a200?, 0x200?, 0x200?})
	/tmp/workdir/go/src/internal/poll/fd_unix.go:162 +0x285 fp=0xc000487e00 sp=0xc000487d80 pc=0x4c4d25
os.(*File).read(...)
	/tmp/workdir/go/src/os/file_posix.go:31
os.(*File).Read(0xc0007e6030, {0xc00015a200?, 0x1?, 0xc000487ea0?})
	/tmp/workdir/go/src/os/file.go:119 +0x5e fp=0xc000487e58 sp=0xc000487e00 pc=0x4ce3de
bytes.(*Buffer).ReadFrom(0xc00040e150, {0xaa9300, 0xc0007e6030})
	/tmp/workdir/go/src/bytes/buffer.go:204 +0x98 fp=0xc000487eb0 sp=0xc000487e58 pc=0x4f8bb8
io.copyBuffer({0xaa8420, 0xc00040e150}, {0xaa9300, 0xc0007e6030}, {0x0, 0x0, 0x0})
	/tmp/workdir/go/src/io/io.go:412 +0x14b fp=0xc000487f30 sp=0xc000487eb0 pc=0x4bf0eb
io.Copy(...)
	/tmp/workdir/go/src/io/io.go:385
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:311 +0x3a fp=0xc000487f90 sp=0xc000487f30 pc=0x4fde9a
os/exec.(*Cmd).Start.func1(0x4?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc000487fc8 sp=0xc000487f90 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc000487fe0 sp=0xc000487fc8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000487fe8 sp=0xc000487fe0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

goroutine 1731 [IO wait]:
runtime.gopark(0xb?, 0xc00015a400?, 0x0?, 0x2?, 0xffffffffffffffff?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc000047d00 sp=0xc000047ce0 pc=0x436536
runtime.netpollblock(0x475749?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/netpoll.go:453 +0xf3 fp=0xc000047d38 sp=0xc000047d00 pc=0x42fbd3
internal/poll.runtime_pollWait(0x249055bd0, 0x72)
	/tmp/workdir/go/src/runtime/netpoll.go:233 +0x89 fp=0xc000047d58 sp=0xc000047d38 pc=0x45da29
internal/poll.(*pollDesc).wait(0xc000251440?, 0xc00015a400?, 0x1)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:83 +0x32 fp=0xc000047d80 sp=0xc000047d58 pc=0x4c3992
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:88
internal/poll.(*FD).Read(0xc000251440, {0xc00015a400, 0x200, 0x200})
	/tmp/workdir/go/src/internal/poll/fd_unix.go:166 +0x25a fp=0xc000047e00 sp=0xc000047d80 pc=0x4c4cfa
os.(*File).read(...)
	/tmp/workdir/go/src/os/file_posix.go:31
os.(*File).Read(0xc0000b1340, {0xc00015a400?, 0xc000479e00?, 0xc000047ea0?})
	/tmp/workdir/go/src/os/file.go:119 +0x5e fp=0xc000047e58 sp=0xc000047e00 pc=0x4ce3de
bytes.(*Buffer).ReadFrom(0xc0007c16e0, {0xaa9300, 0xc0000b1340})
	/tmp/workdir/go/src/bytes/buffer.go:204 +0x98 fp=0xc000047eb0 sp=0xc000047e58 pc=0x4f8bb8
io.copyBuffer({0xaa8420, 0xc0007c16e0}, {0xaa9300, 0xc0000b1340}, {0x0, 0x0, 0x0})
	/tmp/workdir/go/src/io/io.go:412 +0x14b fp=0xc000047f30 sp=0xc000047eb0 pc=0x4bf0eb
io.Copy(...)
	/tmp/workdir/go/src/io/io.go:385
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:311 +0x3a fp=0xc000047f90 sp=0xc000047f30 pc=0x4fde9a
os/exec.(*Cmd).Start.func1(0xc000047f98?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc000047fc8 sp=0xc000047f90 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc000047fe0 sp=0xc000047fc8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc000047fe8 sp=0xc000047fe0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

goroutine 1732 [IO wait]:
runtime.gopark(0x10?, 0xc00015aa00?, 0x0?, 0x2?, 0xffffffffffffffff?)
	/tmp/workdir/go/src/runtime/proc.go:366 +0xd6 fp=0xc0007fa500 sp=0xc0007fa4e0 pc=0x436536
runtime.netpollblock(0x475749?, 0x0?, 0x0?)
	/tmp/workdir/go/src/runtime/netpoll.go:453 +0xf3 fp=0xc0007fa538 sp=0xc0007fa500 pc=0x42fbd3
internal/poll.runtime_pollWait(0x249055660, 0x72)
	/tmp/workdir/go/src/runtime/netpoll.go:233 +0x89 fp=0xc0007fa558 sp=0xc0007fa538 pc=0x45da29
internal/poll.(*pollDesc).wait(0xc000251560?, 0xc00015aa00?, 0x1)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:83 +0x32 fp=0xc0007fa580 sp=0xc0007fa558 pc=0x4c3992
internal/poll.(*pollDesc).waitRead(...)
	/tmp/workdir/go/src/internal/poll/fd_poll_runtime.go:88
internal/poll.(*FD).Read(0xc000251560, {0xc00015aa00, 0x200, 0x200})
	/tmp/workdir/go/src/internal/poll/fd_unix.go:166 +0x25a fp=0xc0007fa600 sp=0xc0007fa580 pc=0x4c4cfa
os.(*File).read(...)
	/tmp/workdir/go/src/os/file_posix.go:31
os.(*File).Read(0xc0000b1358, {0xc00015aa00?, 0x0?, 0xc0007fa6a0?})
	/tmp/workdir/go/src/os/file.go:119 +0x5e fp=0xc0007fa658 sp=0xc0007fa600 pc=0x4ce3de
bytes.(*Buffer).ReadFrom(0xc0007c1710, {0xaa9300, 0xc0000b1358})
	/tmp/workdir/go/src/bytes/buffer.go:204 +0x98 fp=0xc0007fa6b0 sp=0xc0007fa658 pc=0x4f8bb8
io.copyBuffer({0xaa8420, 0xc0007c1710}, {0xaa9300, 0xc0000b1358}, {0x0, 0x0, 0x0})
	/tmp/workdir/go/src/io/io.go:412 +0x14b fp=0xc0007fa730 sp=0xc0007fa6b0 pc=0x4bf0eb
io.Copy(...)
	/tmp/workdir/go/src/io/io.go:385
os/exec.(*Cmd).writerDescriptor.func1()
	/tmp/workdir/go/src/os/exec/exec.go:311 +0x3a fp=0xc0007fa790 sp=0xc0007fa730 pc=0x4fde9a
os/exec.(*Cmd).Start.func1(0x0?)
	/tmp/workdir/go/src/os/exec/exec.go:441 +0x25 fp=0xc0007fa7c8 sp=0xc0007fa790 pc=0x4fecc5
os/exec.(*Cmd).Start.func3()
	/tmp/workdir/go/src/os/exec/exec.go:442 +0x2a fp=0xc0007fa7e0 sp=0xc0007fa7c8 pc=0x4fec6a
runtime.goexit()
	/tmp/workdir/go/src/runtime/asm_amd64.s:1446 +0x1 fp=0xc0007fa7e8 sp=0xc0007fa7e0 pc=0x463241
created by os/exec.(*Cmd).Start
	/tmp/workdir/go/src/os/exec/exec.go:440 +0x715

go tool dist: FAILED: go list -gcflags=all= -ldflags=all= -f={{if .Stale}}	STALE {{.ImportPath}}: {{.StaleReason}}{{end}} std: exit status 2


Error: tests failed: dist test failed: go_test:debug/buildinfo: exit status 1

/cc @aclements
@seankhliao seankhliao added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 2, 2021
@mknyszek mknyszek added this to the Go1.18 milestone Nov 2, 2021
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mknyszek commented Nov 2, 2021

I'm gonna take a wild guess and say this is somehow related to #49259.

@bcmills bcmills mentioned this issue Dec 9, 2021
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@ianlancetaylor
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This is still happening on the *BSD builders.

2022-01-12T19:03:11-deb4580/openbsd-386-70-n2d
2022-01-12T19:03:10-68b3d36/netbsd-386-9_0-n2d
2022-01-12T16:50:38-83bfdb6/openbsd-amd64-68
2022-01-11T17:13:50-1abe9c1/openbsd-386-70
2022-01-11T02:26:58-90a8482/openbsd-386-70
2022-01-10T22:48:40-6019a52/netbsd-386-9_0-n2d
2022-01-10T19:51:05-7de2249/netbsd-386-9_0
2022-01-07T17:55:09-2f45981/openbsd-386-70
2022-01-06T21:38:57-c5540e5/openbsd-386-70-n2d
2022-01-06T19:42:27-10f1ed1/openbsd-386-70-n2d
2022-01-06T15:00:16-da7891f/netbsd-386-9_0-n2d
2022-01-06T00:26:47-b5bfaf4/openbsd-386-70
2022-01-04T21:10:15-1c8f9d2/netbsd-386-9_0-n2d
2022-01-03T23:45:06-a893d0f/netbsd-amd64-9_0

@ianlancetaylor
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I'm going to optimistically close this as a dup of #49209. The earliest occurrence of this issue appears to be 2021-10-18 which is consistent with the #49209 timeframe.

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