https://github.com/python/cpython/commit/2ac1b48a044429d7a290310348b53a87b9f2033a commit: 2ac1b48a044429d7a290310348b53a87b9f2033a branch: 3.12 author: Antoine Pitrou <[email protected]> committer: pitrou <[email protected]> date: 2024-03-17T16:33:35+01:00 summary:
[3.12] gh-112536: Add support for thread sanitizer (TSAN) (gh-112648) (#116924) * [3.12] gh-112536: Add support for thread sanitizer (TSAN) (gh-112648) (cherry picked from commit 88cb9720001295f82c7771ab4ebf20f3cd0b31fb) * Remove doc for configure option (leave it hidden in this branch) --------- Co-authored-by: Samet YASLAN <[email protected]> files: A Misc/NEWS.d/next/Build/2023-12-17-18-23-02.gh-issue-112536.8lr3Ep.rst M Include/pyport.h M Lib/test/libregrtest/utils.py M Lib/test/support/__init__.py M Lib/test/test_io.py M configure M configure.ac diff --git a/Include/pyport.h b/Include/pyport.h index 35eca7234ca094..30b9c8ebc409f0 100644 --- a/Include/pyport.h +++ b/Include/pyport.h @@ -748,6 +748,11 @@ extern char * _getpty(int *, int, mode_t, int); # define _Py_ADDRESS_SANITIZER # endif # endif +# if __has_feature(thread_sanitizer) +# if !defined(_Py_THREAD_SANITIZER) +# define _Py_THREAD_SANITIZER +# endif +# endif #elif defined(__GNUC__) # if defined(__SANITIZE_ADDRESS__) # define _Py_ADDRESS_SANITIZER diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py index 1be5abd8828be8..25017e8717f47c 100644 --- a/Lib/test/libregrtest/utils.py +++ b/Lib/test/libregrtest/utils.py @@ -349,6 +349,9 @@ def get_build_info(): # --with-undefined-behavior-sanitizer if support.check_sanitizer(ub=True): sanitizers.append("UBSAN") + # --with-thread-sanitizer + if support.check_sanitizer(thread=True): + sanitizers.append("TSAN") if sanitizers: build.append('+'.join(sanitizers)) @@ -649,6 +652,7 @@ def display_header(use_resources: tuple[str, ...], asan = support.check_sanitizer(address=True) msan = support.check_sanitizer(memory=True) ubsan = support.check_sanitizer(ub=True) + tsan = support.check_sanitizer(thread=True) sanitizers = [] if asan: sanitizers.append("address") @@ -656,12 +660,15 @@ def display_header(use_resources: tuple[str, ...], sanitizers.append("memory") if ubsan: sanitizers.append("undefined behavior") + if tsan: + sanitizers.append("thread") if sanitizers: print(f"== sanitizers: {', '.join(sanitizers)}") for sanitizer, env_var in ( (asan, "ASAN_OPTIONS"), (msan, "MSAN_OPTIONS"), (ubsan, "UBSAN_OPTIONS"), + (tsan, "TSAN_OPTIONS"), ): options= os.environ.get(env_var) if sanitizer and options is not None: diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index cb5a84aa74e05f..4e793f154940e3 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -391,10 +391,10 @@ def skip_if_buildbot(reason=None): isbuildbot = False return unittest.skipIf(isbuildbot, reason) -def check_sanitizer(*, address=False, memory=False, ub=False): +def check_sanitizer(*, address=False, memory=False, ub=False, thread=False): """Returns True if Python is compiled with sanitizer support""" - if not (address or memory or ub): - raise ValueError('At least one of address, memory, or ub must be True') + if not (address or memory or ub or thread): + raise ValueError('At least one of address, memory, ub or thread must be True') cflags = sysconfig.get_config_var('CFLAGS') or '' @@ -411,18 +411,23 @@ def check_sanitizer(*, address=False, memory=False, ub=False): '-fsanitize=undefined' in cflags or '--with-undefined-behavior-sanitizer' in config_args ) + thread_sanitizer = ( + '-fsanitize=thread' in cflags or + '--with-thread-sanitizer' in config_args + ) return ( (memory and memory_sanitizer) or (address and address_sanitizer) or - (ub and ub_sanitizer) + (ub and ub_sanitizer) or + (thread and thread_sanitizer) ) -def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False): +def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False, thread=False): """Decorator raising SkipTest if running with a sanitizer active.""" if not reason: reason = 'not working with sanitizers active' - skip = check_sanitizer(address=address, memory=memory, ub=ub) + skip = check_sanitizer(address=address, memory=memory, ub=ub, thread=thread) return unittest.skipIf(skip, reason) # gh-89363: True if fork() can hang if Python is built with Address Sanitizer @@ -431,7 +436,7 @@ def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False): def set_sanitizer_env_var(env, option): - for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS'): + for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS', 'TSAN_OPTIONS'): if name in env: env[name] += f':{option}' else: diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 5e5562468bd054..daa40a6ba365b9 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -1708,7 +1708,8 @@ def test_seek_character_device_file(self): class CBufferedReaderTest(BufferedReaderTest, SizeofTest): tp = io.BufferedReader - @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing " + @skip_if_sanitizer(memory=True, address=True, thread=True, + reason="sanitizer defaults to crashing " "instead of returning NULL for malloc failure.") def test_constructor(self): BufferedReaderTest.test_constructor(self) @@ -2075,7 +2076,8 @@ def test_slow_close_from_thread(self): class CBufferedWriterTest(BufferedWriterTest, SizeofTest): tp = io.BufferedWriter - @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing " + @skip_if_sanitizer(memory=True, address=True, thread=True, + reason="sanitizer defaults to crashing " "instead of returning NULL for malloc failure.") def test_constructor(self): BufferedWriterTest.test_constructor(self) @@ -2596,7 +2598,8 @@ def test_interleaved_readline_write(self): class CBufferedRandomTest(BufferedRandomTest, SizeofTest): tp = io.BufferedRandom - @skip_if_sanitizer(memory=True, address=True, reason= "sanitizer defaults to crashing " + @skip_if_sanitizer(memory=True, address=True, thread=True, + reason="sanitizer defaults to crashing " "instead of returning NULL for malloc failure.") def test_constructor(self): BufferedRandomTest.test_constructor(self) diff --git a/Misc/NEWS.d/next/Build/2023-12-17-18-23-02.gh-issue-112536.8lr3Ep.rst b/Misc/NEWS.d/next/Build/2023-12-17-18-23-02.gh-issue-112536.8lr3Ep.rst new file mode 100644 index 00000000000000..a136eb47584993 --- /dev/null +++ b/Misc/NEWS.d/next/Build/2023-12-17-18-23-02.gh-issue-112536.8lr3Ep.rst @@ -0,0 +1 @@ +Add support for thread sanitizer (TSAN) diff --git a/configure b/configure index 938b6c6252406a..be783faa248c14 100755 --- a/configure +++ b/configure @@ -1089,6 +1089,7 @@ with_dsymutil with_address_sanitizer with_memory_sanitizer with_undefined_behavior_sanitizer +with_thread_sanitizer with_hash_algorithm with_tzpath with_libs @@ -1868,6 +1869,8 @@ Optional Packages: --with-undefined-behavior-sanitizer enable UndefinedBehaviorSanitizer undefined behaviour detector, 'ubsan' (default is no) + --with-thread-sanitizer enable ThreadSanitizer data race detector, 'tsan' + (default is no) --with-hash-algorithm=[fnv|siphash13|siphash24] select hash algorithm for use in Python/pyhash.c (default is SipHash13) @@ -12661,6 +12664,28 @@ with_ubsan="no" fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for --with-thread-sanitizer" >&5 +printf %s "checking for --with-thread-sanitizer... " >&6; } + +# Check whether --with-thread_sanitizer was given. +if test ${with_thread_sanitizer+y} +then : + withval=$with_thread_sanitizer; +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $withval" >&5 +printf "%s\n" "$withval" >&6; } +BASECFLAGS="-fsanitize=thread $BASECFLAGS" +LDFLAGS="-fsanitize=thread $LDFLAGS" +with_tsan="yes" + +else $as_nop + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +with_tsan="no" + +fi + + # Set info about shared libraries. diff --git a/configure.ac b/configure.ac index b3eaaa92464915..8be26cc0ab77a0 100644 --- a/configure.ac +++ b/configure.ac @@ -3230,6 +3230,24 @@ AC_MSG_RESULT([no]) with_ubsan="no" ]) +AC_MSG_CHECKING([for --with-thread-sanitizer]) +AC_ARG_WITH( + [thread_sanitizer], + [AS_HELP_STRING( + [--with-thread-sanitizer], + [enable ThreadSanitizer data race detector, 'tsan' (default is no)] + )], +[ +AC_MSG_RESULT([$withval]) +BASECFLAGS="-fsanitize=thread $BASECFLAGS" +LDFLAGS="-fsanitize=thread $LDFLAGS" +with_tsan="yes" +], +[ +AC_MSG_RESULT([no]) +with_tsan="no" +]) + # Set info about shared libraries. AC_SUBST([SHLIB_SUFFIX]) AC_SUBST([LDSHARED]) _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
