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Fail on new UB in CI #148168

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38ae0c1
Fail on new UB
StanFromIreland Apr 6, 2026
d1a9414
Don't waste CI resources
StanFromIreland Apr 6, 2026
a2a444d
wrong branch:-/
StanFromIreland Apr 6, 2026
46f0582
Run `--with-strict-overflow`
StanFromIreland Apr 6, 2026
cdebb42
Populate suppressions.txt, fix `test_capi` fails
StanFromIreland Apr 6, 2026
1e92881
Just skip `test_capi`
StanFromIreland Apr 6, 2026
00c6488
Move halt on error to fix configure
StanFromIreland Apr 6, 2026
b67defe
Fix suppressions
StanFromIreland Apr 6, 2026
a1a0e7f
Add another suppression
StanFromIreland Apr 6, 2026
8c423e0
Skip `test_faulthandler` too, and oh hey, I fixed that one!
StanFromIreland Apr 8, 2026
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4 changes: 2 additions & 2 deletions .github/workflows/reusable-san.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ jobs:
|| ''
}}.txt handle_segv=0" >> "$GITHUB_ENV"
else
echo "UBSAN_OPTIONS=${SAN_LOG_OPTION}" >> "$GITHUB_ENV"
echo "UBSAN_OPTIONS=${SAN_LOG_OPTION} halt_on_error=1 suppressions=${GITHUB_WORKSPACE}/Tools/ubsan/suppressions.txt" >> "$GITHUB_ENV"
fi
echo "CC=clang" >> "$GITHUB_ENV"
echo "CXX=clang++" >> "$GITHUB_ENV"
Expand All @@ -75,7 +75,7 @@ jobs:
${{
inputs.sanitizer == 'TSan'
&& '--with-thread-sanitizer'
|| '--with-undefined-behavior-sanitizer'
|| '--with-undefined-behavior-sanitizer --with-strict-overflow'
}}
--with-pydebug
${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
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6 changes: 5 additions & 1 deletion Tools/build/compute-changes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,11 @@ class Outputs:

def compute_changes() -> None:
target_ref, head_ref = git_refs()
if os.environ.get("GITHUB_EVENT_NAME", "") == "pull_request":
if True:
outputs = Outputs(
run_ubuntu=True,
)
elif os.environ.get("GITHUB_EVENT_NAME", "") == "pull_request":
# Getting changed files only makes sense on a pull request
files = get_changed_files(target_ref, head_ref)
outputs = process_changed_files(files)
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2 changes: 2 additions & 0 deletions Tools/ubsan/suppressions.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
null:Objects/object.c
bool:Objects/memoryobject.c
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