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95 Commits

Author SHA1 Message Date
Sergey Matveev 27ef175ef0 [lsan] Fix bug when discovering indirectly leaked objects. 
If an object contains pointers to itself, that doesn't make it indirectly
leaked. D'oh!

llvm-svn: 192716
 2013-10-15 16:00:11 +00:00
Dmitry Vyukov 7502a3a90c tsan: use verbosity flag in sanitizer_common code directly 
now it's available from common_flags()

llvm-svn: 192705
 2013-10-15 14:12:26 +00:00
Sergey Matveev 43d90cbd86 [lsan] Support ASan's stack-use-after-return mode in LSan. 
Treat the fake stack as live memory.

llvm-svn: 192593
 2013-10-14 14:04:50 +00:00
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