diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a53f1ae1a46fc1..d14d17a5e088b6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -486,6 +486,7 @@ jobs:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: ./configure --config-cache --with-thread-sanitizer --with-pydebug
suppressions_path: Tools/tsan/supressions.txt
+ tsan_logs_artifact_name: tsan-logs-default
build_tsan_free_threading:
name: 'Thread sanitizer (free-threading)'
@@ -496,6 +497,7 @@ jobs:
config_hash: ${{ needs.check_source.outputs.config_hash }}
options: ./configure --config-cache --disable-gil --with-thread-sanitizer --with-pydebug
suppressions_path: Tools/tsan/suppressions_free_threading.txt
+ tsan_logs_artifact_name: tsan-logs-free-threading
# CIFuzz job based on https://google.github.io/oss-fuzz/getting-started/continuous-integration/
cifuzz:
diff --git a/.github/workflows/reusable-tsan.yml b/.github/workflows/reusable-tsan.yml
index 48bd5b547e8cba..b6d5d8fa1c7157 100644
--- a/.github/workflows/reusable-tsan.yml
+++ b/.github/workflows/reusable-tsan.yml
@@ -11,6 +11,10 @@ on:
description: 'A repo relative path to the suppressions file'
required: true
type: string
+ tsan_logs_artifact_name:
+ description: 'Name of the TSAN logs artifact. Must be unique for each job.'
+ required: true
+ type: string
jobs:
build_tsan_reusable:
@@ -41,7 +45,7 @@ jobs:
sudo sysctl -w vm.mmap_rnd_bits=28
- name: TSAN Option Setup
run: |
- echo "TSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/${{ inputs.suppressions_path }}" >> $GITHUB_ENV
+ echo "TSAN_OPTIONS=log_path=${GITHUB_WORKSPACE}/tsan_log suppressions=${GITHUB_WORKSPACE}/${{ inputs.suppressions_path }} handle_segv=0" >> $GITHUB_ENV
echo "CC=clang" >> $GITHUB_ENV
echo "CXX=clang++" >> $GITHUB_ENV
- name: Add ccache to PATH
@@ -60,3 +64,13 @@ jobs:
run: make pythoninfo
- name: Tests
run: ./python -m test --tsan -j4
+ - name: Display TSAN logs
+ if: always()
+ run: find ${GITHUB_WORKSPACE} -name 'tsan_log.*' | xargs head -n 1000
+ - name: Archive TSAN logs
+ if: always()
+ uses: actions/upload-artifact@v4
+ with:
+ name: ${{ inputs.tsan_logs_artifact_name }}
+ path: tsan_log.*
+ if-no-files-found: ignore
diff --git a/Tools/tsan/supressions.txt b/Tools/tsan/supressions.txt
index c778c791eacce8..22ba9d6ba2ab4d 100644
--- a/Tools/tsan/supressions.txt
+++ b/Tools/tsan/supressions.txt
@@ -2,3 +2,6 @@
# reference: https://github.com/google/sanitizers/wiki/ThreadSanitizerSuppressions
race:get_allocator_unlocked
race:set_allocator_unlocked
+
+# https://gist.github.com/mpage/daaf32b39180c1989572957b943eb665
+thread:pthread_create
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