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142 Commits

Author SHA1 Message Date
Sergey Matveev da9f5e7e7f [asan] Improve thread lifetime tracking on POSIX systems. 
Call AsanThread::Destroy() from a late-running TSD destructor.
Previously we called it before any user-registered TSD destructors, which caused
false positives in LeakSanitizer.

llvm-svn: 192585
 2013-10-14 12:01:05 +00:00
Alexey Samsonov c129e65661 [Sanitizer] Turn GetStackTrace() into StackTrace::Unwind() 
llvm-svn: 192533
 2013-10-12 12:23:00 +00:00
Sergey Matveev dc75cf3368 [sanitizer] Move the PTHREAD_DESTRUCTOR_ITERATIONS constant to sanitizer_linux.h. 
Add a test.

llvm-svn: 192442
 2013-10-11 12:09:49 +00:00
Alexey Samsonov f2b811a618 Refactor the usage of strip_path_prefix option and make it more consistent across sanitizers 
llvm-svn: 191943
 2013-10-04 08:55:03 +00:00
Alexey Samsonov 3b54a83d26 [LSan] Rework r191522 - treat allocations with short stack traces as live 
llvm-svn: 191662
 2013-09-30 10:57:56 +00:00
Alexey Samsonov f56ddf7fd1 [LSan] Don't report leaks with single-frame stack traces 
llvm-svn: 191522
 2013-09-27 13:54:20 +00:00
Evgeniy Stepanov 58dbe06230 [asan] Fix deadlock in stack unwinder on android/x86. 
Fixes PR17116.
Patch by 林作健 (manjian2006 at gmail.com).

llvm-svn: 190590
 2013-09-12 08:16:28 +00:00
Alexey Samsonov 7a36e6126b [Sanitizer] Refactor symbolization interface: use class instead of several functions. Move some code around to get rid of extra source files 
llvm-svn: 190410
 2013-09-10 14:36:16 +00:00
Sergey Matveev b9d34443f2 [lsan] Colorize LSan reports. 
llvm-svn: 189804
 2013-09-03 13:31:03 +00:00
Alexey Samsonov 5b5c99d219 ASan, LSan, MSan: try to find llvm-symbolizer binary in PATH if it is not provided. Now we don't need to explicitly set the location of llvm-symbolizer in lit test configs. 
llvm-svn: 189801
 2013-09-03 13:22:51 +00:00
Alexey Samsonov 614a5ea990 Revert r189347: it breaks on machines w/o installed debug versions of system libraries 
llvm-svn: 189350
 2013-08-27 14:04:01 +00:00
Alexey Samsonov ea0ef986e2 LSan: Check that dynamic linker library is properly symbolized 
llvm-svn: 189347
 2013-08-27 13:39:33 +00:00
Sergey Matveev 9e3e80208f [sanitizer] Add a fast version of StackDepotGet() for use in LSan. 
Add a class that holds a snapshot of the StackDepot optimized for querying by
ID. This allows us to speed up LSan dramatically.

llvm-svn: 189217
 2013-08-26 13:24:43 +00:00
Alexey Samsonov 903c3250d2 Slightly improve lint checker script and fix a few style issues 
llvm-svn: 189092
 2013-08-23 07:43:56 +00:00
Sergey Matveev 5371e90f7a [lsan] Add a regression test for building C code. 
llvm-svn: 189016
 2013-08-22 14:48:44 +00:00
Sergey Matveev f6ca04d468 [lsan] Add a stress test. 
llvm-svn: 189012
 2013-08-22 13:32:10 +00:00
Sergey Matveev bed55036a9 [lsan] Build standalone LSan with -fno-rtti. 
Fix issue where C code could not be built with -fsanitize=leak.

llvm-svn: 189010
 2013-08-22 13:23:22 +00:00
Alexey Samsonov 287fca44af [LSan] Add support for building standalone LSan runtime to Make build (compiler-rt part) 
llvm-svn: 188804
 2013-08-20 14:49:01 +00:00
Timur Iskhodzhanov eee13914e2 Define SANITIZER_INTERFACE_ATTRIBUTE on Windows and fix all the places where SANITIZER_INTERFACE_ATTRIBUTE or SANITIZER_ATTRIBUTE_WEAK are used 
llvm-svn: 188261
 2013-08-13 11:42:45 +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
Alexey Samsonov fd078b9405 Enable pipefail for LSan tests 
llvm-svn: 187873
 2013-08-07 08:46:09 +00:00
Sergey Matveev 6459a370a7 [lsan] Add leak_check_at_exit flag. 
We needed a way to tell LSan to invoke leak checking only if __do_leak_check()
is called explicitly. This can now be achieved by setting
leak_check_at_exit=false.

llvm-svn: 187578
 2013-08-01 14:57:07 +00:00
Rafael Espindola 3cf7eb50a9 Disable pipefail for lsan. 
llvm-svn: 187274
 2013-07-26 23:42:16 +00:00
Sergey Matveev 9c012165ad [lsan] Make __lsan_do_leak_check() honor the detect_leaks flag. 
Also move detect_leaks to common flags.

llvm-svn: 186821
 2013-07-22 12:38:17 +00:00
Sergey Matveev 1ac4824841 [lsan] Print direct leaks first. 
Direct leaks are higher priority, so it makes sense to have them on top.

llvm-svn: 186819
 2013-07-22 11:18:32 +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
Sergey Matveev 655bd0d08c [lsan] Add __lsan_do_leak_check() to the public interface. 
Let users override the normal behavior to run leak checking earlier in
the process. Also fix a couple nits here and there.

llvm-svn: 186581
 2013-07-18 14:06:07 +00:00
Sergey Matveev 28dc98ab0d [lsan] Increase the hardcoded limit on number of leaks. 
We never expected to see so many leaks in the real world. Until we did.

llvm-svn: 186157
 2013-07-12 12:31:22 +00:00
Sergey Matveev ddd7b6a1c8 [lsan] Fix test. 
llvm-svn: 185817
 2013-07-08 14:08:05 +00:00
Sergey Matveev bdeff959a1 [lsan] Handle fork() correctly. 
Update the main thread's os_id on every pthread_create, and before
initiating leak checking. This ensures that we have the correct os_id even if we
have forked after Init().

llvm-svn: 185815
 2013-07-08 12:57:24 +00:00
Alexey Samsonov 852d8a4c18 [LSan] Use overridable hook to report error summary 
llvm-svn: 185805
 2013-07-08 10:59:52 +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
Sergey Matveev 202881d1fe [lsan] Fix build again. 
llvm-svn: 185157
 2013-06-28 15:23:15 +00:00
Sergey Matveev b3fa575f7b [lsan] Fix build. 
llvm-svn: 185156
 2013-06-28 15:18:06 +00:00
Sergey Matveev 6672004c47 [lsan] When verbosity > 1, always print suppressions and summary (even if no leaks found). 
Also fix an output bug.

llvm-svn: 185153
 2013-06-28 15:05:16 +00:00
Sergey Matveev 2b19ee3da8 [lsan] Add suppression support. 
llvm-svn: 185152
 2013-06-28 14:38:31 +00:00
Sergey Matveev 1c34897887 [lsan] Fix flaky test. 
llvm-svn: 185079
 2013-06-27 14:24:07 +00:00
Alexey Samsonov 895784a5b0 [LSan] Add the way to disable LSan at link time 
llvm-svn: 185066
 2013-06-27 09:35:50 +00:00
Sergey Matveev c3332bc8c3 [lsan] Define interceptors more correctly. Also, always clear allocated memory. 
llvm-svn: 184849
 2013-06-25 14:05:52 +00:00
Sergey Matveev 4e0215a71c Revert to C-style callbacks for iteration over allocator chunks. 
Also clean up LSan code, fix some comments and replace void* with uptr
to bring down the number of reinterpret_casts.

llvm-svn: 184700
 2013-06-24 08:34:50 +00:00
Alexey Samsonov 43937b3758 Add cmake rules for building LSan common on Mac OS 
llvm-svn: 184639
 2013-06-22 16:33:52 +00:00
Sergey Matveev 38fa1ff710 [lsan] Try REALLY hard to fix Win build. 
llvm-svn: 184557
 2013-06-21 15:50:49 +00:00
Sergey Matveev 85f1fffdfb [lsan] This time really fix Win build. 
llvm-svn: 184556
 2013-06-21 15:22:12 +00:00
Sergey Matveev 7ed5c687ed [lsan] Fix win build. 
llvm-svn: 184555
 2013-06-21 15:14:57 +00:00
Sergey Matveev d28c03c03a [lsan] Increase allocator space; minor fixes. 
llvm-svn: 184554
 2013-06-21 15:10:20 +00:00
Sergey Matveev b94d5e2d1c [asan] Move lsan_disabled out of thread context. 
Fix for the case where disabler is used in pthread key destructor.

llvm-svn: 184553
 2013-06-21 14:51:52 +00:00
Sergey Matveev 5e6b9eccce [asan] Define LSan annotations as no-ops if leak detection is not supported. 
llvm-svn: 184422
 2013-06-20 13:39:42 +00:00
Sergey Matveev dac35c24c0 [lsan] Move symbolization and reporting out of StopTheWorld callback. 
llvm-svn: 184303
 2013-06-19 14:04:11 +00:00
Sergey Matveev 2717e7be06 [lsan] Set current_thread_tid correctly for main thread. 
llvm-svn: 184189
 2013-06-18 14:44:45 +00:00
Alexey Samsonov 7e325fb477 Properly install LSan interface header, rely on sanitizer header presence in lit tests 
llvm-svn: 183977
 2013-06-14 11:45:36 +00:00
Alexey Samsonov bd0428b81a [LSan] Use a typedef for frontier vector 
llvm-svn: 183973
 2013-06-14 10:07:56 +00:00
Alexey Samsonov b0d92b3312 [Sanitizer] Rename InternalVector to InternalMmapVector 
llvm-svn: 183972
 2013-06-14 09:59:40 +00:00
Alexey Samsonov 5e520c5e09 [LSan] fix link flags for building unit tests 
llvm-svn: 183891
 2013-06-13 07:23:18 +00:00
Sergey Matveev 978460c12c [lsan] Harmonized some naming inconsistencies. 
llvm-svn: 183748
 2013-06-11 15:26:20 +00:00
Sergey Matveev 5129c5e56f [lsan] Fix the unittest makefiles. 
llvm-svn: 183735
 2013-06-11 09:52:02 +00:00
Dmitry Vyukov 50ef53ebfc tsan: fix lint warnings 
llvm-svn: 183642
 2013-06-10 10:00:54 +00:00
Alexey Samsonov 575c599554 Drop support for 32-bit PowerPC in sanitizer tools. 
llvm-svn: 183499
 2013-06-07 09:44:43 +00:00
Sergey Matveev 1c4e214c32 [lsan] Put SANITIZER_INTERFACE_ATTRIBUTE on LSan interface functions. 
llvm-svn: 183429
 2013-06-06 18:40:55 +00:00
Sergey Matveev db356560fc [sanitizer] Do not fall back to SlowUnwindStack() in GetStackTrace() 
llvm-svn: 183414
 2013-06-06 14:19:36 +00:00
Sergey Matveev ecc4f5ba8e [lsan] Implement __lsan_ignore_object(). 
Leak annotation similar to HeapChecker's IgnoreObject().

llvm-svn: 183412
 2013-06-06 14:17:56 +00:00
Alexey Samsonov f6630ecee9 Simplify lit configs for asan/lsan/msan unit tests 
llvm-svn: 183410
 2013-06-06 13:48:20 +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
Sergey Matveev 17ee1abfa7 [lsan] Add __lsan_disable() and __lsan_enable(). 
Objects allocated after a call to __lsan_disable() will be treated as
live memory. Also add a ScopedDisabler.

llvm-svn: 183099
 2013-06-03 11:21:34 +00:00
Sergey Matveev 1a566ced91 [lsan] Added a dummy unittest to suppress LIT warnings. 
llvm-svn: 183004
 2013-05-31 14:15:54 +00:00
Sergey Matveev 5494e0bec3 [lsan] Run the leak detection tests under both ASan and LSan. 
Change the LSan lit test logic. Now "check-lsan" tests the leak
checking functionality in both standalone LSan and ASan.

llvm-svn: 183000
 2013-05-31 13:13:55 +00:00
Sergey Matveev 69f11803ec [lsan] Use the fast version of GetBlockBegin for leak checking in LSan and ASan. 
llvm-svn: 182994
 2013-05-31 11:13:45 +00:00
Sergey Matveev e615432313 [lsan] Convert the remaining LSan tests to output tests. 
llvm-svn: 182839
 2013-05-29 10:12:37 +00:00
Alexey Samsonov 75289297af Exclude sanitizer_nolibc_test from TSan test run. Fix lint warnings 
llvm-svn: 182837
 2013-05-29 09:40:07 +00:00
Sergey Matveev 39e8a6d87e [lsan] Begin converting LSan tests to output tests. 
In this CL all old tests are removed and one LIT test is added.

llvm-svn: 182730
 2013-05-27 11:41:46 +00:00
Sergey Matveev 9cda3df8bd [sanitizer] Move FindThreadByOSIdLocked from lsan to sanitizer_common. 
llvm-svn: 182728
 2013-05-27 10:35:51 +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
Sergey Matveev e45a0677a6 [lsan] Allow the ignored TLS range to be empty. 
llvm-svn: 182657
 2013-05-24 18:07:53 +00:00
Sergey Matveev 37dff38495 [lsan] Minor adjustments to LSan messages. 
llvm-svn: 182648
 2013-05-24 15:36:30 +00:00
Sergey Matveev c7715a228a [lsan] Prettify LSan reports and add a summary. 
llvm-svn: 182646
 2013-05-24 14:49:13 +00:00
Sergey Matveev bc880f3a54 [lsan] Add exitcode flag. Kill the process if leaks are found. 
llvm-svn: 182641
 2013-05-24 13:16:02 +00:00
Sergey Matveev a4a01975d5 [lsan] Add lit test support. 
"check-lsan" now runs both the tests from lib/lsan/tests and any lit
tests found under lib/lsan/lit_tests.

llvm-svn: 182583
 2013-05-23 12:58:56 +00:00
Sergey Matveev bb12f840b5 [lsan] Ensure lsan is initialized when interceptors are called. 
Also remove unnecessary ifdefs.

llvm-svn: 182571
 2013-05-23 10:24:44 +00:00
Alexey Samsonov 49eb5700e2 Revert r182465 and add lsan-common library to makefile-based build 
llvm-svn: 182470
 2013-05-22 13:20:37 +00:00
Sergey Matveev 20ccf95f80 [lsan] Invoke leak detection with atexit(). 
Keeps it consistent between ASan and LSan.

llvm-svn: 182399
 2013-05-21 17:56:45 +00:00
Sergey Matveev 17f5705d3c [asan] Do not invoke LSan hooks unless CAN_SANITIZE_LEAKS. 
llvm-svn: 182389
 2013-05-21 15:35:34 +00:00
Sergey Matveev 620744556a [lsan] Change CMakeLists to build the common LSan module for ASan. 
Also, define CAN_SANITIZE_LEAKS.

llvm-svn: 182383
 2013-05-21 14:12:11 +00:00
Sergey Matveev aa0b45a094 [lsan] LSan in LD_PRELOAD library form. 
llvm-svn: 182376
 2013-05-21 12:49:33 +00:00
Alexey Samsonov cbbdfc50ee Build LSan on x86_64 only if this target is supported 
llvm-svn: 182272
 2013-05-20 14:16:45 +00:00
Sergey Matveev 6dd91e475a [lsan] Fix r182256. 
Add missing call to GetUserBegin().

llvm-svn: 182267
 2013-05-20 14:04:56 +00:00
Sergey Matveev bcfd838bcb [lsan] GetUserBegin() in LSan. 
Separate the notions of user-visible chunk and allocator chunk, to facilitate
ASan integration.

llvm-svn: 182256
 2013-05-20 13:08:23 +00:00
Sergey Matveev 3c20829559 [lsan] CMakeLists and lit test configs for LSan. 
llvm-svn: 182251
 2013-05-20 11:13:33 +00:00
Sergey Matveev 48c1d1acad [lsan] Tests for LeakSanitizer. 
llvm-svn: 182250
 2013-05-20 11:09:27 +00:00
Sergey Matveev b5483be858 [lsan] Common leak checking module. 
Leak checking functionality which will be shared between
LSan/ASan/MSan.

llvm-svn: 182249
 2013-05-20 11:06:50 +00:00
Sergey Matveev 3d97cdd140 [lsan] Standalone LSan initialization. 
llvm-svn: 182248
 2013-05-20 11:04:43 +00:00
Sergey Matveev a5f9691dfb [lsan] Interceptors for standalone LSan. 
llvm-svn: 182247
 2013-05-20 11:01:40 +00:00
Sergey Matveev c7d003ec43 [lsan] Thread registry for standalone LSan. 
llvm-svn: 182246
 2013-05-20 10:57:53 +00:00
Sergey Matveev 866abfb3fe [lsan] Allocator for standalone LSan. 
This is the first in a series of CLs implementing LeakSanitizer.
http://clang.llvm.org/docs/LeakSanitizer.html

llvm-svn: 182245
 2013-05-20 10:54:00 +00:00