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runtime: print SIGSEGV/SIGBUS fault address from system stack #60894

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prattmic opened this issue Jun 20, 2023 · 1 comment
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runtime: print SIGSEGV/SIGBUS fault address from system stack #60894

prattmic opened this issue Jun 20, 2023 · 1 comment
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.22

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Normally sigpanic is responsible for printing the fault address of a SIGSEGV / SIGBUS, but when a signal occurs on the system stack, we convert to a throw. Thus the signal print occurs in fatalsignal, which does not attempt to print the fault address.

cc @golang/runtime
@prattmic prattmic added the NeedsFix The path to resolution is known, but the work has not been done. label Jun 20, 2023
@prattmic prattmic added this to the Backlog milestone Jun 20, 2023
@prattmic prattmic self-assigned this Jun 20, 2023
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jun 20, 2023
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Change https://go.dev/cl/504635 mentions this issue: runtime: print fault addr in fatalsignal

@mknyszek mknyszek moved this to In Progress in Go Compiler / Runtime Jun 28, 2023
@mknyszek mknyszek modified the milestones: Backlog, Go1.22 Jun 28, 2023
@github-project-automation github-project-automation bot moved this from In Progress to Done in Go Compiler / Runtime Sep 20, 2023
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Go1.22
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@mknyszek @prattmic @gopherbot