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runtime,reflect: fatal error: fault in reflect.Value.Call under maymorestack=mayMoreStackMove on windows-amd64-longtest #52800

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bcmills opened this issue May 9, 2022 · 2 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Windows release-blocker
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@bcmills
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bcmills commented May 9, 2022

##### maymorestack=mayMoreStackMove
ok  	runtime	148.357s
unexpected fault address 0xc00008e018
fatal error: fault
[signal 0xc0000005 code=0x0 addr=0xc00008e018 pc=0x578840]

goroutine 322 [running]:
runtime.throw({0x5f38d7?, 0x19?})
	C:/workdir/go/src/runtime/panic.go:1028 +0x65 fp=0xc0000a9800 sp=0xc0000a97d0 pc=0x37e2e5
runtime.sigpanic()
	C:/workdir/go/src/runtime/signal_windows.go:261 +0x125 fp=0xc0000a9848 sp=0xc0000a9800 pc=0x393905
reflect_test.(*Outer).M(0x0?)
	<autogenerated>:1 fp=0xc0000a9850 sp=0xc0000a9848 pc=0x578840
runtime.call16(0xc000022510, 0xc00017e0f8, 0x0, 0x0, 0x0, 0x8, 0xc0000a9d80)
	C:/workdir/go/src/runtime/asm_amd64.s:724 +0x55 fp=0xc0000a9870 sp=0xc0000a9850 pc=0x3b04f5
runtime.reflectcall(0xc00017c150?, 0x1?, 0x1?, 0x76008?, 0xc0?, 0x1?, 0x1?)
	<autogenerated>:1 +0x3c fp=0xc0000a98b0 sp=0xc0000a9870 pc=0x3b497c
reflect.Value.call({0x5ad680?, 0xc00008e018?, 0x213?}, {0x5f356f, 0x4}, {0x0, 0x0, 0x0?})
	C:/workdir/go/src/reflect/value.go:585 +0x8a5 fp=0xc0000a9ea0 sp=0xc0000a98b0 pc=0x4234c5
reflect.Value.Call({0x5ad680?, 0xc00008e018?, 0x213?}, {0x0, 0x0, 0x0})
	C:/workdir/go/src/reflect/value.go:368 +0x10c fp=0xc0000a9f18 sp=0xc0000a9ea0 pc=0x42296c
reflect_test.TestCallMethodJump(0xc000084680?)
	C:/workdir/go/src/reflect/all_test.go:6556 +0x125 fp=0xc0000a9f70 sp=0xc0000a9f18 pc=0x54d405
testing.tRunner(0xc000055040, 0x60b390)
	C:/workdir/go/src/testing/testing.go:1449 +0x10b fp=0xc0000a9fc0 sp=0xc0000a9f70 pc=0x46810b
testing.(*T).Run.func1()
	C:/workdir/go/src/testing/testing.go:1496 +0x2a fp=0xc0000a9fe0 sp=0xc0000a9fc0 pc=0x468faa
runtime.goexit()
	C:/workdir/go/src/runtime/asm_amd64.s:1594 +0x1 fp=0xc0000a9fe8 sp=0xc0000a9fe0 pc=0x3b2301
created by testing.(*T).Run
	C:/workdir/go/src/testing/testing.go:1496 +0x35f

greplogs -l -e '##### maymorestack=mayMoreStackMove\n(.*\n)*reflect\.Value\.Call' --since=2022-01-01
2022-05-06T22:04:35-4e79f06/windows-amd64-longtest
2022-05-05T21:52:18-10d1189/windows-amd64-longtest
2022-05-01T00:05:20-edab07d/windows-amd64-longtest
2022-04-26T22:08:12-226346b/windows-amd64-longtest

(attn @golang/runtime)

@bcmills
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bcmills commented May 9, 2022

This is a release-blocker for Go 1.19 because windows/amd64 is a first-class port.

@bcmills bcmills added this to the Go1.19 milestone May 9, 2022
@heschi heschi added the NeedsFix The path to resolution is known, but the work has not been done. label May 9, 2022
@bcmills bcmills added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 9, 2022
@gopherbot gopherbot removed the NeedsFix The path to resolution is known, but the work has not been done. label May 9, 2022
@gopherbot
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Change https://go.dev/cl/407508 mentions this issue: reflect: store receiver in pointer slot for reflect call

@golang golang locked and limited conversation to collaborators May 23, 2023
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