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runtime: index out of range in StopTrace #52704

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bcmills opened this issue May 4, 2022 · 1 comment
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runtime: index out of range in StopTrace #52704

bcmills opened this issue May 4, 2022 · 1 comment
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@bcmills
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@bcmills bcmills commented May 4, 2022

fatal error: index out of range

goroutine 87 [running]:
runtime.throw({0x12b453c?, 0x1404b80?})
	/Users/gopher/workdir/go/src/runtime/panic.go:1028 +0x5d fp=0xc0000507b8 sp=0xc000050788 pc=0x108955d
runtime.panicCheck1(0x10af239?, {0x12b453c, 0x12})
	/Users/gopher/workdir/go/src/runtime/panic.go:57 +0x87 fp=0xc0000507d8 sp=0xc0000507b8 pc=0x1086dc7
runtime.goPanicIndex(0x2, 0x0)
	/Users/gopher/workdir/go/src/runtime/panic.go:110 +0x34 fp=0xc000050818 sp=0xc0000507d8 pc=0x1086eb4
runtime.traceReadCPU()
	/Users/gopher/workdir/go/src/runtime/trace.go:755 +0x2ff fp=0xc0000508e0 sp=0xc000050818 pc=0x10aedff
runtime.StopTrace()
	/Users/gopher/workdir/go/src/runtime/trace.go:338 +0xad fp=0xc000050918 sp=0xc0000508e0 pc=0x10ad92d
runtime/trace.Stop()
	/Users/gopher/workdir/go/src/runtime/trace/trace.go:148 +0x7c fp=0xc000050990 sp=0xc000050918 pc=0x114ae7c
runtime/trace_test.TestTraceCPUProfile(0xc0000831e0)
	/Users/gopher/workdir/go/src/runtime/trace/trace_test.go:620 +0x22b fp=0xc000050ea8 sp=0xc000050990 pc=0x125b46b
testing.tRunner(0xc0000831e0, 0x12bf7d8)
	/Users/gopher/workdir/go/src/testing/testing.go:1449 +0x217 fp=0xc000050fb0 sp=0xc000050ea8 pc=0x115d837
testing.(*T).Run.func1()
	/Users/gopher/workdir/go/src/testing/testing.go:1496 +0x48 fp=0xc000050fe0 sp=0xc000050fb0 pc=0x115f068
runtime.goexit()
	/Users/gopher/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc000050fe8 sp=0xc000050fe0 pc=0x10bea61
created by testing.(*T).Run
	/Users/gopher/workdir/go/src/testing/testing.go:1496 +0x75e

greplogs -l -e 'goroutine \d+ \[.*\]:\n(?:.+\n\t.+\n)*runtime\.StopTrace' --since=2022-04-01
2022-05-04T03:08:40-4f89884/darwin-amd64-race

This may be related to #52693 (attn @rhysh; CC @golang/runtime).

@bcmills bcmills added NeedsInvestigation release-blocker labels May 4, 2022
@bcmills bcmills added this to the Go1.19 milestone May 4, 2022
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@gopherbot gopherbot commented May 4, 2022

Change https://go.dev/cl/404054 mentions this issue: runtime: use profile data before advancing index

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