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149 Commits

Author SHA1 Message Date
Kostya Serebryany e6459977b8 [sanitizer] Fix boundary condition in LargeMmapAllocator::GetBlockBegin. Patch by Sergey Matveev 
llvm-svn: 179007
 2013-04-08 08:43:22 +00:00
Kostya Serebryany c3525ce6ac [sanitizer] while doing fast unwinding make sure that the frame pointer is aligned; fix lint 
llvm-svn: 178747
 2013-04-04 06:52:40 +00:00
Alexey Samsonov e586170e86 Fix unmatching ASan runtime flag for init-order checking exposed by r178158. Add a test for r178158. 
llvm-svn: 178229
 2013-03-28 09:11:20 +00:00
Alexey Samsonov 7ef76c1cd8 [Sanitizer] Disable atomic_test on Android, where it crashes Clang. 
llvm-svn: 177998
 2013-03-26 08:55:38 +00:00
Alexey Samsonov c6fd019c77 [Sanitizer] Add basic test for atomic_compare_exchange implementation 
llvm-svn: 177851
 2013-03-25 08:48:16 +00:00
Dmitry Vyukov 0f2c7ea5d0 tsan: fix lint warnings 
llvm-svn: 177251
 2013-03-18 07:58:20 +00:00
Alexey Samsonov e25c72958a [Sanitizer] Rely on template argument deduction in sanitizer_allocator_test 
llvm-svn: 177245
 2013-03-18 06:07:44 +00:00
Alexander Potapenko 845b575370 [libsanitizer] StopTheWorld in sanitizer_common 
StopTheWorld puts the process in a suspended state before running the
user-supplied callback. To be used in TSan and in leak checking code.

Linux implementation provided.

Patch by Sergey Matveev (earthdok@google.com)

llvm-svn: 177156
 2013-03-15 14:37:21 +00:00
Alexey Samsonov e4385c4b98 [Sanitizer] Don't link tests with -lpthread on Android. 
llvm-svn: 177151
 2013-03-15 12:54:01 +00:00
Kostya Serebryany 96a7620f3a [sanitizer] fix gcc build warnings 
llvm-svn: 177149
 2013-03-15 12:27:52 +00:00
Kostya Serebryany b941a2fca4 [asan] Add ForEachChunk() to sanitizer allocators. Patch by Sergey Matveev 
llvm-svn: 177147
 2013-03-15 11:39:41 +00:00
Alexey Samsonov cdd46d9ccc [Sanitizer] Generalize compile/link flags for sanitizer_common tests on Android and on other platforms. 
llvm-svn: 177146
 2013-03-15 10:39:26 +00:00
Alexey Samsonov 337b0fcf9c [Sanitizer] Build sanitizer_common tests w/o RTTI. Move ThreadRegistry class members below methods. 
llvm-svn: 177143
 2013-03-15 07:08:52 +00:00
Alexey Samsonov d1999a1ccc [Sanitizer] Fix compiler warnings and style issues in sanitizer_common tests. Use -Werror=sign-compare when building them. 
llvm-svn: 177077
 2013-03-14 15:15:35 +00:00
Alexey Samsonov 1cb684381a [Sanitizer] Add generic ThreadRegistry class for sanitizer runtimes. This class holds basic thread bookkeeping logic and allows specific sanitizer runtimes to create thread contexts and mark threads as created/running/joined etc. The class is based on the way we currently store thread contexts in TSan. 
llvm-svn: 177074
 2013-03-14 13:54:30 +00:00
Alexander Potapenko 34e1171768 [libsanitizer] fixed a bug in ThreadLister tests where we forgot to terminate one thread 
Patch by Sergey Matveev (earthdok@google.com)

llvm-svn: 177068
 2013-03-14 13:15:14 +00:00
Alexander Potapenko ac3bbb3ef3 [libsanitizer] Fixed incorrect handling of pre-existing threads in ThreadLister test. 
Also, extended the test to check that ThreadLister::Reset() works as intended.

Patch by Sergey Matveev (earthdok@google.com)

llvm-svn: 177060
 2013-03-14 12:06:54 +00:00
Evgeniy Stepanov 5697b58ec4 [sanitizer] Move GetTlsSize code from TSan to sanitizer_common. 
llvm-svn: 176938
 2013-03-13 08:19:53 +00:00
Kostya Serebryany 138b155042 [sanitizer] use fewer size classes in the allocator to reduce the memory footprint. There is no all-size-fits-all constant here, but this change is positive or neutral on several large apps I've tested 
llvm-svn: 176855
 2013-03-12 08:44:40 +00:00
Alexey Samsonov db7d9656bb [Sanitizer] Implement BlockingMutex::CheckLocked() 
llvm-svn: 176805
 2013-03-11 15:45:20 +00:00
Kostya Serebryany 0f5c20b417 [sanitizer] make SizeClassAllocator64::GetBlockBegin more bullet proof (by Sergey Matveev) 
llvm-svn: 176799
 2013-03-11 09:43:12 +00:00
Reid Kleckner c193da57b8 [msan] pthread_join() returns int, not void* 
pthread_join() returns an error code, not the result of the
pthread_create() function like I thought.

llvm-svn: 176554
 2013-03-06 15:41:35 +00:00
Reid Kleckner 66c26e5e96 [sanitizers] Fix check failure on dealloc from new thread 
Summary:
Adds a test for this case, which was reduced from a chromium build of
WebKit's DumpRenderTree.

Reviewers: eugenis

CC: glider

Differential Revision: http://llvm-reviews.chandlerc.com/D495

llvm-svn: 176552
 2013-03-06 14:54:08 +00:00
Alexey Samsonov dcb0e72e6f [Sanitizer] fix signed-unsigned mismatch in test and use correct order of EXPECT_EQ() args 
llvm-svn: 176479
 2013-03-05 12:23:07 +00:00
Alexey Samsonov 434dde9996 [Sanitizer] Add methods back() and pop_back() to InternalVector. Patch by Sergey Matveev 
llvm-svn: 176478
 2013-03-05 11:58:25 +00:00
Alexey Samsonov 4a3234bec5 [Sanitizer] Relax ThreadLister tests to allow possible pre-existing threads. Do proper mutex destruction. Patch by Sergey Matveev 
llvm-svn: 176249
 2013-02-28 11:33:51 +00:00
Kostya Serebryany f0b8f989e9 add Linux syscall wrappers and ThreadLister to sanitizer_common 
ThreadLister is a Linux-specific class for obtaining the thread IDs of a process from procfs (/proc/<pid>/task/). It will be used by leak checking code.
Also add several syscall wrappers which will be required by the same code that uses ThreadLister, but are not used in ThreadLister itself.
Patch by Sergey Matveev

llvm-svn: 176179
 2013-02-27 11:22:40 +00:00
Kostya Serebryany c98cddd024 [asan] guard ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS definition with an #ifndef 
llvm-svn: 176175
 2013-02-27 08:28:24 +00:00
Kostya Serebryany a8cfb900dd [sanitizer] A low-level vector implementation to be used in leak checking code. Patch by Sergey Matveev 
llvm-svn: 176089
 2013-02-26 13:30:27 +00:00
Kostya Serebryany c8ac15a66b [asan] use the new attribute syntax (no_address_safety_analysis => no_sanitize_address) 
llvm-svn: 176077
 2013-02-26 07:01:06 +00:00
Alexey Samsonov 54ff0f6388 [Sanitizer] one more fix for signed/unsigned mismatch in comparison 
llvm-svn: 176020
 2013-02-25 14:06:38 +00:00
Alexey Samsonov b2ac280f96 [Sanitizer] fix signed/unsigned compare warnings in sanitizer_stacktrace_test. Build sanitizer_common tests with -Werror as we use predictable just-built Clang for building them 
llvm-svn: 176014
 2013-02-25 09:00:03 +00:00
Reid Kleckner e1596856ec [Sanitizer] Add a test for the fast unwinder 
Summary:
The test sets up fake x86-style fp+retaddr frames, since that's all the
unwinder works with.

Reviewers: kcc

CC: eugenis

Differential Revision: http://llvm-reviews.chandlerc.com/D445

llvm-svn: 175893
 2013-02-22 15:10:16 +00:00
Evgeniy Stepanov 2e50efd484 [sanitizer] Fix FileOps test on Android. 
llvm-svn: 175515
 2013-02-19 15:01:05 +00:00
Evgeniy Stepanov 477e88ee9e [sanitizer] Slightly lower allocator test memory consumption. 
This way it fits on a random 1G device.

llvm-svn: 175513
 2013-02-19 13:38:27 +00:00
Alexey Samsonov 99b81b4bbe [Sanitizer] Allow runtime flags be separated by colon as well as space 
llvm-svn: 175511
 2013-02-19 13:03:37 +00:00
Kostya Serebryany 9f298da9bd [asan] instrument memory accesses with unusual sizes 
This patch makes asan instrument memory accesses with unusual sizes (e.g. 5 bytes or 10 bytes), e.g. long double or
packed structures.
Instrumentation is done with two 1-byte checks
(first and last bytes) and if the error is found
__asan_report_load_n(addr, real_size) or
__asan_report_store_n(addr, real_size)
is called.

asan-rt part

Also fix lint.

llvm-svn: 175508
 2013-02-19 11:30:25 +00:00
Alexey Samsonov 9211bd33ec [Sanitizer] Make temporary filename depend on user ID 
llvm-svn: 175424
 2013-02-18 07:17:12 +00:00
Evgeniy Stepanov 71a4ab7141 [sanitizer] Tests for scanf parser in allowGnuMalloc=false mode. 
llvm-svn: 174971
 2013-02-12 14:37:55 +00:00
Evgeniy Stepanov 154faa6ded [sanitizer] clang-format pass over scanf code. 
llvm-svn: 174888
 2013-02-11 15:22:34 +00:00
Evgeniy Stepanov 455c72d25e [sanitizer] scanf: don't report stores that did not happen. 
Respect REAL(scanf) return value and don't report memory stores that
could potentially happen, but did not.

llvm-svn: 174887
 2013-02-11 15:16:48 +00:00
Evgeniy Stepanov 7e0430fe4f [sanitizer] Scanf parser improvements. 
Handle %a in cases when it is unambiguous.
Handle %m.

Patch by Jakub Jelinek.

llvm-svn: 174882
 2013-02-11 14:04:24 +00:00
Evgeniy Stepanov e6045b4603 [sanitizer] Add 2 random tests for the scanf implementation. 
llvm-svn: 174705
 2013-02-08 11:19:23 +00:00
Evgeniy Stepanov 87c43537df [sanitizer] Improve scanf interceptor 
This a rewrite of the scanf parser. The new implementation is pretty close to
the spec, with a few shortcuts taken here and there. It is conservative, i.e.
it gives up parsing if it does not understand some part of the format string,
or runs into an ambiguous % spec. It does not handle some rarely used parts of
the spec, like %n$ - for now.

I'm also moving parser call to after the original *scanf function completes,
so that we can find out the store size of %s directive by the use of strlen()
on the target buffer.

llvm-svn: 174704
 2013-02-08 11:17:20 +00:00
Alexey Samsonov 2c5cbd2b38 [Sanitizer] extend internal libc with stat/fstat/lstat functions 
llvm-svn: 174316
 2013-02-04 10:16:50 +00:00
Alexey Samsonov c500132a93 [Sanitizer] Add change missed in r173926 
llvm-svn: 173929
 2013-01-30 13:19:15 +00:00
Alexey Samsonov 49a32c1d08 [Sanitizer] update style checker script and fix namespace style warnings 
llvm-svn: 173910
 2013-01-30 07:45:58 +00:00
Alexey Samsonov 5311754b62 [CMake] Fix compiler-rt tests after r173617 
llvm-svn: 173668
 2013-01-28 07:16:22 +00:00
Alexey Samsonov 622a7b2408 [Sanitizer] More fixes to scanf interceptor: stub support for %s, support for %[...] directive 
llvm-svn: 173451
 2013-01-25 15:26:19 +00:00
Alexey Samsonov 4899fb5cfb [Sanitizer] fix errors in scanf interceptors: add support for %c and fix cases like %5d 
llvm-svn: 173440
 2013-01-25 11:43:32 +00:00