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gh-159606: Skip test_faulthandler signal tests on ASan - #159607

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@vstinner

@vstinner vstinner commented Oct 17, 2026 •

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The address sanitizer can catch signals such as SIGBUG and then hangs.

The address sanitizer can catch signals such as SIGBUG and then
hangs.
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!buildbot x86-64 MacOS Intel ASAN NoGIL PR

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🤖 New build scheduled with the buildbot fleet by @vstinner for commit 6f18149 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F159607%2Fmerge

The command will test the builders whose names match following regular expression: x86-64 MacOS Intel ASAN NoGIL PR

The builders matched are:

  • x86-64 MacOS Intel ASAN NoGIL PR

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I'm not sure why test_sigbus() hangs on "x86-64 MacOS Intel ASAN NoGIL 3.x". Since we already skip signal tests on TSan/UBSan/MSan, I think that it should be fine to also skip them on ASan.

cc @StanFromIreland

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Maybe the problem is on the macOS machine: see #159608 (comment). The bug was only seen on this machine for 2 days, whereas the code didn't change.

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