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cmd/cgo: aix c-archive corrupting stack #68957

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pmur opened this issue Aug 19, 2024 · 3 comments
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cmd/cgo: aix c-archive corrupting stack #68957

pmur opened this issue Aug 19, 2024 · 3 comments
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arch-ppc64x compiler/runtime Issues related to the Go compiler and/or runtime. OS-AIX
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Go1.24

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pmur commented Aug 19, 2024

Go version

master

Output of go env in your module/workspace:

GOARCH=ppc64
GOOS=aix

What did you do?

go test cmd/cgo/internal/testcarchive

What did you see happen?

Various strange failures.

Many c-archive tests are failing. The argc/argv parameters are getting corrupted cause the the test binary to do unexpected things.

What did you expect to see?

All tests pass, and argc/argv parameters to main not get corrupted when c-archives are linked.
@pmur pmur self-assigned this Aug 19, 2024
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Aug 19, 2024
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Change https://go.dev/cl/606895 mentions this issue: runtime: on aix, fix call to _cgo_sys_thread_create in _rt0_ppc64_aix_lib

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pmur commented Aug 20, 2024

@gopherbot please consider this for backport to 1.22 and 1.23, this is a bug with no workaround.

@gopherbot gopherbot mentioned this issue Aug 20, 2024
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Backport issue(s) opened: #68972 (for 1.22), #68973 (for 1.23).

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

@gopherbot gopherbot mentioned this issue Aug 20, 2024
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@dmitshur dmitshur added this to the Go1.24 milestone Aug 21, 2024
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arch-ppc64x compiler/runtime Issues related to the Go compiler and/or runtime. OS-AIX
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