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114 Commits

Author SHA1 Message Date
Kostya Serebryany 895ff83e47 [tsan] make calloc crash instead of returning 0 on overflow (controlled by the allocator_may_return_null flag) 
llvm-svn: 190135
 2013-09-06 11:04:14 +00:00
Dmitry Vyukov 4e27d1fdaf tsan: catch races on condition variables 
llvm-svn: 189816
 2013-09-03 15:04:15 +00:00
Dmitry Vyukov 3a6c7cea77 tsan: properly intercept pthread_cond functions 
llvm-svn: 189767
 2013-09-02 18:06:28 +00:00
Dmitry Vyukov 97f0eae0a5 tsan/msan: add halt_on_error flag 
If halt_on_error==true, program terminates after reporting first error.

llvm-svn: 188279
 2013-08-13 15:33:00 +00:00
Rui Ueyama 633ec6848b Add "CHECK-" prefix to un-break buildbot failure. 
After r188221, the prefix given by --check-prefix must match with the label
as a whole. Substring is not considered to be a correct label anymore.

llvm-svn: 188227
 2013-08-12 23:43:19 +00:00
Daniel Dunbar bc5dbc435e [tests] Update to use lit_config and lit package, as appropriate. 
llvm-svn: 188116
 2013-08-09 22:14:01 +00:00
Alexander Potapenko 0443f1ac72 [TSan] Fix free_race.c by removing `not` from the test invocation that doesn't fail. 
llvm-svn: 187889
 2013-08-07 13:54:27 +00:00
Alexander Potapenko ce32410097 [TSan] Let the users suppress use-after-free errors using the "race:" suppressions. 
If there's a race between a memory access and a free() call in the client program,
it can be reported as a use-after-free (if the access occurs after the free()) or an ordinary race
(if free() occurs after the access).
We've decided to use a single "race:" prefix for both cases instead of introducing a "use-after-free:" one,
because in many cases this allows us to keep a single suppression for both the use-after-free and free-after-use.

This may be misleading if the use-after-free occurs in a non-racy way (e.g. in a single-threaded program).
But normally such bugs shall not be suppressed.

llvm-svn: 187885
 2013-08-07 12:39:00 +00:00
Alexey Samsonov b6c8b3de70 Enable pipefail for TSan tests 
llvm-svn: 187875
 2013-08-07 09:02:37 +00:00
Rafael Espindola 7bc3077afb Disable pipefail for ThreadSanitizer. 
llvm-svn: 187272
 2013-07-26 23:38:18 +00:00
Hans Wennborg 2e304b6ffd Use --driver-mode=g++ instead of -ccc-cxx; required after Clang r186605 
llvm-svn: 186607
 2013-07-18 20:48:50 +00:00
Dmitry Vyukov 1a0c76fa55 tsan: support sigsuspend() call 
Intercepting it makes it process pending signal before return.

llvm-svn: 186400
 2013-07-16 11:28:04 +00:00
Alexey Samsonov e71f37c1cd Define the path to llvm-symbolizer tool in a common config to reduce copy-paste 
llvm-svn: 185286
 2013-06-30 14:47:38 +00:00
Dmitry Vyukov 5001d43dcb tsan: make the test more robust 
currently it episodically fails
the hypothesis it is due to racy race detection algorithm
the sleep should make it more robust

llvm-svn: 184752
 2013-06-24 16:28:02 +00:00
Dmitry Vyukov 03ec9545f5 tsan: fix potential false positive race on fd 
llvm-svn: 184430
 2013-06-20 14:32:12 +00:00
Dmitry Vyukov 79de34f75c tsan: fix lit test failures 
llvm-svn: 183674
 2013-06-10 16:06:21 +00:00
Dmitry Vyukov b08e72913a tsan: add system tests for suppressions 
llvm-svn: 183673
 2013-06-10 15:39:28 +00:00
Alexey Samsonov e3bf521b7c Remove a bunch of copy-paste: use common config for sanitizer lit/unit tests 
llvm-svn: 183407
 2013-06-06 13:28:37 +00:00
Alexey Samsonov 9c2bcf8c15 Improve support for compiler-rt tests in CMake build. 
Now compiler-rt tests run correctly if compiler-rt is checked out into
arbitrary directory (not necessarily projects/compiler-rt).
Patch by Greg Fitzgerald!

llvm-svn: 182726
 2013-05-27 09:35:24 +00:00
Dmitry Vyukov 536bff3396 tsan: detect when a thread ends with ignores enabled 
llvm-svn: 182354
 2013-05-21 08:12:35 +00:00
Dmitry Vyukov c9af818515 tsan: introduce recursive mutex lock/unlock java interface 
this is required to handle Object.Wait()

llvm-svn: 182088
 2013-05-17 12:03:46 +00:00
Dmitry Vyukov db7d9e5db4 tsan: comment out debug output in test 
llvm-svn: 180787
 2013-04-30 13:09:31 +00:00
Dmitry Vyukov d0ac6c168b tsan: fix deadlock detector table (OK to lock sync var mutex during reporting) 
llvm-svn: 180782
 2013-04-30 12:00:40 +00:00
Dmitry Vyukov 3f7bf08b12 tsan: add interface functions for unaligned access, e.g. __sanitizer_unaligned_load16 
llvm-svn: 180780
 2013-04-30 11:56:56 +00:00
Dmitry Vyukov a05bbe1c9a tsan: add a test that used to crash, fixed by r180180. 
llvm-svn: 180251
 2013-04-25 06:58:43 +00:00
Dmitry Vyukov 368d97e33c tsan: fix stack traces for malloc and free 
llvm-svn: 180184
 2013-04-24 11:16:47 +00:00
Alexey Samsonov 0d725b1408 [TSan] remove -fPIE -pie from TSan lit tests to check that -fsanitize=thread implies them now 
llvm-svn: 179365
 2013-04-12 07:11:00 +00:00
Alexey Samsonov 9f3938e271 Explicitly list all sanitizer headers in CMake build rules. Make sure sanitizer lit_tests depend on fresh headers. 
llvm-svn: 179293
 2013-04-11 15:49:52 +00:00
Alexey Samsonov 7ad129277e [Sanitizer] fix TSan tests: remove global ctor from sanitizer_common, run load_shared_lib test only in lit 
llvm-svn: 179090
 2013-04-09 07:46:20 +00:00
Kostya Serebryany 9d28efc1ad [asan] relax Linux/zero-base-shadow.cc to make it pass on newer Ubuntu; fix lint 
llvm-svn: 179088
 2013-04-09 07:08:05 +00:00
Alexander Potapenko 32efd25b93 [libsymbolized] If we can't find an address in the list of shared libraries, try to reload it. 
Add a regression test for the case where such behavior helps TSan:
  1. race is reported in the main module
  2. new shared library is loaded
  3. race is reported in the shared library

llvm-svn: 179032
 2013-04-08 17:46:34 +00:00
Alexander Potapenko bbfc722e46 [TSan] Add the WTFAnnotateBenignRaceSized implementation and a test for 
WTFAnnotateBenignRaceSized and AnnotateBenignRaceSized.

llvm-svn: 178534
 2013-04-02 11:21:53 +00:00
Kostya Serebryany 3e73c84050 [tsan] a test checking that memset/memcpy/memmove are not inlined in tsan mode 
llvm-svn: 178231
 2013-03-28 11:21:50 +00:00
Kostya Serebryany ac83282665 [tsan] don't use -fno-builtin for tests; add a test for a false negative bug (inlined memcpy is not instrumented) 
llvm-svn: 178228
 2013-03-28 08:41:49 +00:00
Alexey Samsonov f903a9ee6e [TSan] Fixup for r178128: verify that TSan indeed doesn't report race 
llvm-svn: 178129
 2013-03-27 10:22:51 +00:00
Alexey Samsonov 059e61f8b0 [TSan] Run test output through FileCheck 
llvm-svn: 178128
 2013-03-27 09:25:06 +00:00
Kostya Serebryany 79a6e189b0 [tsan] make memcpy_race.cc test immune to memcpy inlining 
llvm-svn: 178011
 2013-03-26 12:42:18 +00:00
Kostya Serebryany 4d7efba66e [tsan] add a test for aligned-vs-unaligned race (tsan's false negative) 
llvm-svn: 177996
 2013-03-26 08:31:02 +00:00
Dmitry Vyukov 4adf49d253 tsan: intercept setjmp/longjmp 
llvm-svn: 177858
 2013-03-25 10:10:44 +00:00
Dmitry Vyukov 9af68719ed tsan: return 0 on malloc() failure instead of crashing 
llvm-svn: 177741
 2013-03-22 17:06:22 +00:00
Dmitry Vyukov 3bd5ffb62b tsan: test that tsan explicitly says "race on vptr". 
Requires llvm r177717.

llvm-svn: 177726
 2013-03-22 10:54:39 +00:00
Dmitry Vyukov 2f411641fe tsan: work around FileCheck bug with empty outputs 
llvm-svn: 177715
 2013-03-22 08:48:34 +00:00
Dmitry Vyukov ebf63d0095 tsan: better reporting of thread leaks 
1. do not report running threads as leaks
2. aggregate leaked threads by creation stack

llvm-svn: 177647
 2013-03-21 16:55:17 +00:00
Dmitry Vyukov 0851fa8819 tsan: better reporting for races on vptr 
explicitly say "ctor/dtor vs virtual call"

llvm-svn: 177640
 2013-03-21 15:37:39 +00:00
Dmitry Vyukov c638a7127e tsan: reduce size of mutexsets from 64 to 16 mutexes 
overflow is handled anyway
saves memory because each thread holds 1024 mutexsets

llvm-svn: 177520
 2013-03-20 13:50:47 +00:00
Dmitry Vyukov b7c68ee856 tsan: fix flaky test 
llvm-svn: 177500
 2013-03-20 09:22:13 +00:00
Dmitry Vyukov f6c4a7a2f5 tsan: fix incorrect test 
llvm-svn: 177499
 2013-03-20 09:21:49 +00:00
Evgeniy Stepanov 0af672326a [sanitizer] Replace more platform checks with SANITIZER_ constants. 
llvm-svn: 177400
 2013-03-19 14:33:38 +00:00
Alexey Samsonov e1955b851d [TSan] Makefiles: allow configurable paths to clang and FileCheck. Add -fno-rtti flag. 
llvm-svn: 177247
 2013-03-18 07:00:36 +00:00
Kostya Serebryany 01a32bdef1 [tsan] enable tsan-vs-gvn test since it is now fixed 
llvm-svn: 176079
 2013-02-26 08:18:27 +00:00