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runtime: SIGSEGV in readgstatus via gcAssistAlloc #48845

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bcmills opened this issue Oct 7, 2021 · 1 comment
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runtime: SIGSEGV in readgstatus via gcAssistAlloc #48845

bcmills opened this issue Oct 7, 2021 · 1 comment
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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bcmills commented Oct 7, 2021

greplogs --dashboard -md -l -e '(?m)unexpected signal during runtime execution\n(.*\n)*runtime stack:\n(?:.+\n\t.+\n)*runtime\.readgstatus.*\n\t.+\n(?:.+\n\t.+\n)*runtime\.gcAssistAlloc'

2021-10-07T14:01:52-ecb2f23/android-386-emu
2021-10-06T19:59:27-62292e8-17c513e/android-amd64-emu
2021-10-05T20:53:02-d4b1ae0-695a59b/android-amd64-emu
2021-03-08T20:41:06-a08adda/linux-mips64le-rtrk

This looks to me like it may be closely related to #43824 (CC @prattmic @mknyszek)
@bcmills bcmills added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Oct 7, 2021
@bcmills bcmills added this to the Backlog milestone Oct 7, 2021
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Change https://golang.org/cl/368134 mentions this issue: runtime: fix racy allgs access on weak memory architectures

@golang golang locked and limited conversation to collaborators Dec 1, 2022
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