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2580 Commits

Author SHA1 Message Date
Kostya Serebryany c19851ab6c [asan] undo the previous commit since TLS hack breaks with signals... :( 
llvm-svn: 190662
 2013-09-13 06:15:02 +00:00
Kostya Serebryany 096413ba3b [asan] use TLS on Linux to get the FakeStack. Saves 15% performance 
llvm-svn: 190661
 2013-09-13 06:04:18 +00:00
Kostya Serebryany 77caab4d7b [asan] inline PoisonShadow in FakeStack to get ~10% speedup 
llvm-svn: 190660
 2013-09-13 05:57:58 +00:00
Peter Collingbourne cdec0a8ad2 [dfsan] Add a few easy functions to the ABI list. 
llvm-svn: 190653
 2013-09-13 01:38:56 +00:00
Kostya Serebryany 7638aa135e [asan] a bit of performance improvement in fake stack, generalized one test, fixed android build of another test 
llvm-svn: 190606
 2013-09-12 14:41:10 +00:00
Kostya Serebryany 627ea6391e [asan] add a test for use-after-return and exceptions and fix it. Not 100% sure this is a complete fix, will keep looking for harder cases. 
llvm-svn: 190603
 2013-09-12 13:25:29 +00:00
Alexander Potapenko 9caa10d0c7 [ASan] Do not build asan_fake_stack_test.cc on OSX until https://code.google.com/p/address-sanitizer/issues/detail?id=222 is fixed. 
llvm-svn: 190597
 2013-09-12 09:46:56 +00:00
Kostya Serebryany 79d98a851b [asan] limit the size of the fake stack with a reasonable constant. This fixes a failure when the main thread's stack is considered unlimited (very large). 
llvm-svn: 190596
 2013-09-12 09:08:13 +00:00
Kostya Serebryany 44441cc34b [asan] (part 2) don't lazy-init fake_stack if we only need to check that fake_stack exists (should fix 32-bit builds) 
llvm-svn: 190594
 2013-09-12 08:47:00 +00:00
Kostya Serebryany 736bd08e05 [asan] don't lazy-init fake_stack if we only need to check that fake_stack exists (should fix 32-bit builds) 
llvm-svn: 190593
 2013-09-12 08:43:44 +00:00
Kostya Serebryany 628cda7367 [asan] hopefully make the FakeStack async-signal safe, enable the related test 
llvm-svn: 190592
 2013-09-12 08:34:50 +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
Kostya Serebryany e8f961e847 [asan] use xchg instead of CAS in FakeStack::Allocate (5% faster for this case) 
llvm-svn: 190589
 2013-09-12 07:28:42 +00:00
Kostya Serebryany 729c8dc65b [asan] fully re-implement the FakeStack (use-after-return) to make it faster and async-signal-safe. The implementation is not yet complete (see FIXMEs) but the existing tests pass. 
llvm-svn: 190588
 2013-09-12 07:11:58 +00:00
Bill Wendling a6ec07ce2d Fix typo 
llvm-svn: 190543
 2013-09-11 19:35:32 +00:00
Daniel Jasper 333e0cb055 Revert r190520 as it wasn't the right fix. 
llvm-svn: 190524
 2013-09-11 12:53:04 +00:00
Daniel Jasper 2b3f143f23 Add empty virtual destructor... 
... as this otherwise triggers -Wnon-virtual-dtor.

llvm-svn: 190520
 2013-09-11 12:28:15 +00:00
Alexey Samsonov 4a2447fd81 [TSan] Use --whole-archive around TSan runtime in old TSan makefiles. Fix a Go build 
llvm-svn: 190513
 2013-09-11 11:06:06 +00:00
Alexey Samsonov 279283c064 [Sanitizer] build sanitizer_common library with -Wglobal-constructors 
llvm-svn: 190504
 2013-09-11 09:57:15 +00:00
Alexey Samsonov e99a0b9b76 [TSan] Use Clang to compile and link TSan unit tests with TSan runtime 
llvm-svn: 190503
 2013-09-11 09:56:33 +00:00
Alexey Samsonov d397a9ba1d Fixup for r190410: use lazy initialization for symbolizer as some compilers emit global constructor to setup vptr 
llvm-svn: 190414
 2013-09-10 16:16:27 +00:00
Timur Iskhodzhanov 92702d8401 [ASan] Remove the explicit function prototypes for intercepted functions on Windows 
llvm-svn: 190411
 2013-09-10 14:42:15 +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
Kostya Serebryany 8fc35ca008 [asan] refactor the use-after-return API so that the size class is computed at compile time instead of at run-time. compiler-rt part 
llvm-svn: 190406
 2013-09-10 13:16:26 +00:00
Evgeniy Stepanov df96e863de [msan] bool -> int to make msan_interface.h C-compatible. 
llvm-svn: 190402
 2013-09-10 11:04:37 +00:00
Timur Iskhodzhanov 190784b21b [ASan] Don't crash in DescribeHeapAddress if we don't know the current thread's ID 
Also make DescribeThread easier to use.
This was firing on Dr.ASan runs, not sure how to repro InvalidTID in a simple test.

llvm-svn: 190392
 2013-09-10 08:36:21 +00:00
Eli Friedman abc1a5cb9b Delete unused variables. 
llvm-svn: 190383
 2013-09-10 03:27:07 +00:00
Peter Collingbourne 0dca2e5ed1 [dfsan] Initial set of DFSAN_OPTIONS flags. 
llvm-svn: 190379
 2013-09-10 01:51:35 +00:00
Bill Wendling 97c22c3c92 Don't allow a NULL-length file. Try to revert to the buffered version. 
llvm-svn: 190359
 2013-09-09 22:25:46 +00:00
Evgeniy Stepanov 842fa3f80d [msan] Intercept fstatat / fstatat64. 
llvm-svn: 190306
 2013-09-09 13:40:41 +00:00
Evgeniy Stepanov cf02f171a9 [sanitizer] Fix PR17138. 
strerror_r on OSX returns a positive error code when the errno value is
unknown. Buffer contents are initialized in any case.

llvm-svn: 190295
 2013-09-09 08:58:54 +00:00
Evgeniy Stepanov 80cc27857b [sanitizer] Delete extra whitespace. 
llvm-svn: 190292
 2013-09-09 06:18:07 +00:00
Alexey Samsonov 77029be19a [ASan] fix one more memory leak in test case 
llvm-svn: 190277
 2013-09-08 14:01:07 +00:00
Alexey Samsonov a302a1affc [Sanitizer] Use generic configs for running sanitizer_common unit tests 
llvm-svn: 190276
 2013-09-08 13:52:07 +00:00
Alexey Samsonov 071cc9e89d [ASan] turn on leak checking for ASan tests and fix a few discovered leaks 
llvm-svn: 190274
 2013-09-08 13:23:29 +00:00
Evgeniy Stepanov 73166796a3 [sanitizer] Avoid including any system headers in the system-header-free part of the runtime library. 
llvm-svn: 190161
 2013-09-06 15:34:17 +00:00
Evgeniy Stepanov 09d33c67e1 [sanitizer] Fix Android build. 
Android actually has "__unused" macro defined in <cdefs.h>.

llvm-svn: 190160
 2013-09-06 14:58:49 +00:00
Evgeniy Stepanov 5c1035e7fa [sanitizer] A bunch of linux system call handlers. 
llvm-svn: 190157
 2013-09-06 14:20:01 +00:00
Alexander Potapenko 2a54274c25 [ASan] make the check for NULL more portable. 
llvm-svn: 190139
 2013-09-06 12:04:37 +00:00
Alexey Samsonov 6985f3f67b Fix compiler warning introduced in r190022 
llvm-svn: 190137
 2013-09-06 11:08:12 +00:00
Alexey Samsonov 16516b9b00 Migrate ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS to new spelling - ATTRIBUTE_NO_SANITIZE_ADDRESS 
llvm-svn: 190136
 2013-09-06 11:07:33 +00:00
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
Kostya Serebryany 6c5b034d7b [msan] make calloc crash instead of returning 0 on overflow (controlled by the allocator_may_return_null flag) 
llvm-svn: 190132
 2013-09-06 10:58:55 +00:00
Kostya Serebryany e009ef4ac1 [asan] make calloc crash instead of returning 0 on overflow (controlled by the allocator_may_return_null flag) 
llvm-svn: 190128
 2013-09-06 09:51:50 +00:00
Kostya Serebryany ada5a7b7ef [sanitizer] make the allocator crash instead of returning 0 on huge size (controlled by the allocator_may_return_null flag) 
llvm-svn: 190127
 2013-09-06 09:25:11 +00:00
Kostya Serebryany 5e0b2085c8 [tsan] add colors to tsan output 
llvm-svn: 190045
 2013-09-05 11:23:27 +00:00
Reid Kleckner d483c072af sanitizers: Make sure Visual Studio gets error reports 
Visual Studio appears to close stderr before launching a non-console
win32 program.  This means we don't see any sanitizer reports.  If
stderr printing fails, call OutputDebugStringA to get the reports into
the Visual Studio debugger console.

llvm-svn: 190030
 2013-09-05 03:19:57 +00:00
Reid Kleckner 0071525492 asan: Add a wcslen interceptor mirroring strlen 
Tested on Linux, since I can't build the tests on Windows yet.

llvm-svn: 190022
 2013-09-05 01:13:49 +00:00
Kostya Serebryany 2e57127cf7 [asan] add a test that demonstrates why the current use-after-return is not signal-safe 
llvm-svn: 189943
 2013-09-04 14:39:43 +00:00
Kostya Serebryany 1f13414d45 [asan] make use-after-return handle very deep recursion; fixes 483.xalancbmk in UAR mode 
llvm-svn: 189929
 2013-09-04 10:59:32 +00:00