gh-112536: Set up TSAN CI for free-threading by corona10 · Pull Request #116555 · python/cpython · GitHub
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gh-112536: Set up TSAN CI for free-threading #116555

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gh-112536: Set up TSAN CI for free-threading #116555

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gh-112536: Set up TSAN CI for free-threading
corona10 Mar 10, 2024
a7a3b08
Reduce test scope
corona10 Mar 10, 2024
a7f4826
fix
corona10 Mar 10, 2024
84bccfb
Add _Py_NO_SANITIZE_THREAD annotation
corona10 Mar 10, 2024
aa15f16
nit
corona10 Mar 10, 2024
0f72690
nit
corona10 Mar 10, 2024
2ce5cdd
fix
corona10 Mar 10, 2024
05a5882
swtich to clang
corona10 Mar 10, 2024
0b68814
Update
corona10 Mar 10, 2024
d2a4476
Update env
corona10 Mar 10, 2024
f641cad
fix
corona10 Mar 10, 2024
dd88d4a
fix
corona10 Mar 10, 2024
6c96e41
fix
corona10 Mar 10, 2024
179bacd
Update(?)
corona10 Mar 10, 2024
691d0e4
fix
corona10 Mar 10, 2024
d89f932
fix(?)
corona10 Mar 10, 2024
d833618
Check order
corona10 Mar 10, 2024
33317e7
Weired fix
corona10 Mar 10, 2024
cade95e
Revert to the gcc
corona10 Mar 10, 2024
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24 changes: 24 additions & 0 deletions .github/workflows/build.yml
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1 change: 1 addition & 0 deletions Objects/obmalloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -446,6 +446,7 @@ _PyMem_ArenaFree(void *Py_UNUSED(ctx), void *ptr,
/***************************/

static int
_Py_NO_SANITIZE_THREAD

@colesbury colesbury Mar 10, 2024

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I've had a better experience using suppression lists rather than marking functions as _Py_NO_SANITIZE_THREAD:

  1. Add a file supressions.txt somwhere (maybe Tools/tsan/supressions.txt?)
  2. Set the environment variable TSAN_OPTIONS="suppressions=<path_to_supressions.txt>"

See https://github.com/google/sanitizers/wiki/ThreadSanitizerSuppressions

set_default_allocator_unlocked(PyMemAllocatorDomain domain, int debug,
PyMemAllocatorEx *old_alloc)
{
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7 changes: 7 additions & 0 deletions configure
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6 changes: 6 additions & 0 deletions configure.ac
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Expand Up @@ -3264,6 +3264,12 @@ AC_MSG_RESULT([no])
with_tsan="no"
])

if test "$with_tsan" = "yes"
then
AC_DEFINE([MI_TSAN], [1],
[Define MI_TSAN for thread sanitizer])
fi

# Set info about shared libraries.
AC_SUBST([SHLIB_SUFFIX])
AC_SUBST([LDSHARED])
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3 changes: 3 additions & 0 deletions pyconfig.h.in
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