runtime: TestStackGrowth failures

[gopherbot]

#!watchflakes
post <- pkg == "runtime" && `panic: finalizer started .* ago .* and ran \d+ iterations, but did not return`

Issue created automatically to collect these failures.

Example (log):

panic: finalizer started 104.093721ms ago (1.068654ms after registration) and ran 98 iterations, but did not return

runtime.gopark(0x843adec, 0x86a8a00, 0x12, 0x19, 0x4)
	/tmp/workdir/go/src/runtime/proc.go:381 +0xf6 fp=0x5884fe4c sp=0x5884fe38 pc=0x8089086
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:387
runtime.semacquire1(0x58b94438, 0x0, 0x1, 0x0, 0x12)
	/tmp/workdir/go/src/runtime/sema.go:160 +0x239 fp=0x5884fe80 sp=0x5884fe4c pc=0x809a709
sync.runtime_Semacquire(0x58b94438)
	/tmp/workdir/go/src/runtime/sema.go:62 +0x35 fp=0x5884fe98 sp=0x5884fe80 pc=0x80bdec5
sync.(*WaitGroup).Wait(0x58b94430)
	/tmp/workdir/go/src/sync/waitgroup.go:116 +0x5f fp=0x5884feb4 sp=0x5884fe98 pc=0x80c795f
runtime_test.TestStackGrowth(0x58d82000)
	/tmp/workdir/go/src/runtime/stack_test.go:141 +0x55a fp=0x5884ff9c sp=0x5884feb4 pc=0x836e89a
testing.tRunner(0x58d82000, 0x843bb54)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestStackGrowth"

2022-11-29 01:18 openbsd-386-71 go@0fd7be7e runtime.TestStackGrowth (log)

panic: finalizer started 104.093721ms ago (1.068654ms after registration) and ran 98 iterations, but did not return

runtime.gopark(0x843adec, 0x86a8a00, 0x12, 0x19, 0x4)
	/tmp/workdir/go/src/runtime/proc.go:381 +0xf6 fp=0x5884fe4c sp=0x5884fe38 pc=0x8089086
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:387
runtime.semacquire1(0x58b94438, 0x0, 0x1, 0x0, 0x12)
	/tmp/workdir/go/src/runtime/sema.go:160 +0x239 fp=0x5884fe80 sp=0x5884fe4c pc=0x809a709
sync.runtime_Semacquire(0x58b94438)
	/tmp/workdir/go/src/runtime/sema.go:62 +0x35 fp=0x5884fe98 sp=0x5884fe80 pc=0x80bdec5
sync.(*WaitGroup).Wait(0x58b94430)
	/tmp/workdir/go/src/sync/waitgroup.go:116 +0x5f fp=0x5884feb4 sp=0x5884fe98 pc=0x80c795f
runtime_test.TestStackGrowth(0x58d82000)
	/tmp/workdir/go/src/runtime/stack_test.go:141 +0x55a fp=0x5884ff9c sp=0x5884feb4 pc=0x836e89a
testing.tRunner(0x58d82000, 0x843bb54)

2022-12-14 19:13 openbsd-386-71 go@5c682f94 runtime.TestStackGrowth (log)

panic: finalizer started 152.908275ms ago (1.393595ms after registration) and ran 153 iterations, but did not return

runtime.gopark(0x843a718, 0x86a8180, 0x12, 0x19, 0x4)
	/tmp/workdir/go/src/runtime/proc.go:381 +0xf6 fp=0x5a04ee4c sp=0x5a04ee38 pc=0x8089086
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:387
runtime.semacquire1(0x5a5613f8, 0x0, 0x1, 0x0, 0x12)
	/tmp/workdir/go/src/runtime/sema.go:160 +0x239 fp=0x5a04ee80 sp=0x5a04ee4c pc=0x809a6f9
sync.runtime_Semacquire(0x5a5613f8)
	/tmp/workdir/go/src/runtime/sema.go:62 +0x35 fp=0x5a04ee98 sp=0x5a04ee80 pc=0x80bdeb5
sync.(*WaitGroup).Wait(0x5a5613f0)
	/tmp/workdir/go/src/sync/waitgroup.go:116 +0x5f fp=0x5a04eeb4 sp=0x5a04ee98 pc=0x80c794f
runtime_test.TestStackGrowth(0x5a1a3770)
	/tmp/workdir/go/src/runtime/stack_test.go:141 +0x55a fp=0x5a04ef9c sp=0x5a04eeb4 pc=0x836e32a
testing.tRunner(0x5a1a3770, 0x843b484)

— watchflakes

[bcmills]

https://build.golang.org/log/5571acfcf4d4d6de5d3f22b56f8c2dca2623f7cc (netbsd-arm64-bsiegert) also has one of these, so it's not just openbsd-.*-71.

[bcmills]

Hmm, but that's also a test timeout, not specific to this test (which only ran, in parallel, for 14s). 🤔

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && `panic: finalizer started .* ago .* and ran \d+ iterations, but did not return`

2023-01-09 18:21 openbsd-386-71 go@8232a09e runtime.TestStackGrowth (log)

panic: finalizer started 181.140689ms ago (1.280705ms after registration) and ran 191 iterations, but did not return

runtime.gopark(0x843a6f0, 0x86a7c40, 0x12, 0x19, 0x4)
	/tmp/workdir/go/src/runtime/proc.go:381 +0xf6 fp=0x5944de4c sp=0x5944de38 pc=0x8089086
runtime.goparkunlock(...)
	/tmp/workdir/go/src/runtime/proc.go:387
runtime.semacquire1(0x596ce088, 0x0, 0x1, 0x0, 0x12)
	/tmp/workdir/go/src/runtime/sema.go:160 +0x239 fp=0x5944de80 sp=0x5944de4c pc=0x809a6f9
sync.runtime_Semacquire(0x596ce088)
	/tmp/workdir/go/src/runtime/sema.go:62 +0x35 fp=0x5944de98 sp=0x5944de80 pc=0x80bdeb5
sync.(*WaitGroup).Wait(0x596ce080)
	/tmp/workdir/go/src/sync/waitgroup.go:116 +0x5f fp=0x5944deb4 sp=0x5944de98 pc=0x80c794f
runtime_test.TestStackGrowth(0x595bf950)
	/tmp/workdir/go/src/runtime/stack_test.go:141 +0x55a fp=0x5944df9c sp=0x5944deb4 pc=0x836e54a
testing.tRunner(0x595bf950, 0x843b45c)

— watchflakes

[bcmills]

#57585