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runtime: "traceback: unexpected SPWRITE function runtime.systemstack" #64934

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prattmic opened this issue Jan 2, 2024 · 2 comments
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runtime: "traceback: unexpected SPWRITE function runtime.systemstack" #64934

prattmic opened this issue Jan 2, 2024 · 2 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsFix The path to resolution is known, but the work has not been done.
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Go1.22

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prattmic commented Jan 2, 2024

https://go.dev/cl/525835 (backported to 1.21.2) introduced a regression causing a throw when panicking on the system stack:

traceback: unexpected SPWRITE function runtime.systemstack
runtime.systemstack(0x501fcc0)
    /Users/cherryyz/src/go/src/runtime/asm_amd64.s:509 +0x4a fp=0x7ff7bbfac760 sp=0x7ff7bbfac750 pc=0x4fa738a

This was fixed in https://go.dev/cl/531815 at tip, but needs a backport to 1.21.
@prattmic prattmic added the NeedsFix The path to resolution is known, but the work has not been done. label Jan 2, 2024
@prattmic prattmic added this to the Go1.22 milestone Jan 2, 2024
@prattmic prattmic self-assigned this Jan 2, 2024
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jan 2, 2024
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prattmic commented Jan 2, 2024

@gopherbot please backport to 1.21. This fixes a regression in a previous backport (#62464).

@prattmic prattmic closed this as completed Jan 2, 2024
@gopherbot gopherbot mentioned this issue Jan 2, 2024
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Backport issue(s) opened: #64935 (for 1.21).

Remember to create the cherry-pick CL(s) as soon as the patch is submitted to master, according to https://go.dev/wiki/MinorReleases.

@yangtian9999 yangtian9999 mentioned this issue Jul 9, 2024
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsFix The path to resolution is known, but the work has not been done.
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