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3227 Commits

Author SHA1 Message Date
Evgeniy Stepanov 59bb0878e2 [msan] Tweak gethostbyname_r interceptor some more. 
This is covered by msan_test depending on glibc version and/or resolver setup.

llvm-svn: 197484
 2013-12-17 09:13:54 +00:00
Evgeniy Stepanov cb98c5f6f0 [msan] Relax gethostbyname_r test condition. 
Apparently, its return value depends on the glibc version.

llvm-svn: 197390
 2013-12-16 15:01:31 +00:00
Evgeniy Stepanov 43fc44007d [msan] Fix gethostbyname_r and similar interceptors. 
*h_errno is written not on success, but on failure.
In fact, it seems like it can be written even when return value signals
success, so we just unpoison it in all cases.

llvm-svn: 197383
 2013-12-16 13:24:33 +00:00
Kostya Serebryany 4eaa0492ca [asan] fix the test so that it works even if stack size is unlimited by default 
llvm-svn: 197372
 2013-12-16 09:09:31 +00:00
Kostya Serebryany 1aedf6c9e6 [asan] replace the flag uar_stack_size_log with two flags min_uar_stack_size_log/max_uar_stack_size_log 
llvm-svn: 197370
 2013-12-16 08:42:08 +00:00
Evgeniy Stepanov 3158ec4002 [msan] Fix strncat interceptor, add missing tests. 
llvm-svn: 197244
 2013-12-13 16:31:59 +00:00
Kostya Serebryany 57bfdb080b [asan] add flag uar_noreserve to use noreserve mmap for fake stack. uar_noreserve=1 will save some memory but also negatively affect performance 
llvm-svn: 197233
 2013-12-13 15:03:49 +00:00
Evgeniy Stepanov a643a754be [sanitizer] Disable call wrapping when building for Go. 
llvm-svn: 197232
 2013-12-13 14:58:21 +00:00
Evgeniy Stepanov 879c552dd9 [msan] Wrap indirect calls from sanitizer rtl when running under DR. 
llvm-svn: 197226
 2013-12-13 13:13:46 +00:00
Evgeniy Stepanov c8ccef49cc [msan] Add a check for recursive __msan_init. 
llvm-svn: 197218
 2013-12-13 09:11:14 +00:00
Evgeniy Stepanov 86d8fb5ba1 [msan] Clean stack and TLS shadow on thread exit. 
llvm-svn: 197156
 2013-12-12 13:48:47 +00:00
Kostya Serebryany e55d388e71 [asan] when a fake stack is being unmapped also flush the corresponding shadow 
llvm-svn: 197040
 2013-12-11 14:26:41 +00:00
Kostya Serebryany 7a3a93f112 [asan] if verbosity>=2, print the fake stack usage stats at thread exit; No functionality change in non-verboze mode 
llvm-svn: 197037
 2013-12-11 13:54:01 +00:00
Evgeniy Stepanov 9fc2b966ac [msandr] Remove one more use of std::string and put all STL headers under ifdef. 
llvm-svn: 197031
 2013-12-11 11:38:49 +00:00
Evgeniy Stepanov 88adc5e815 [msandr] Remove std::string in dr_init for optimized hybrid execution. 
Patch by Qin Zhao.

llvm-svn: 197029
 2013-12-11 11:36:05 +00:00
Tim Northover 638a424b56 Only build embedded darwin variants if the compiler supports them 
We need to filter out architectures that the compiler hasn't been built to
target (most likely the ARM ones) before attemptint to build a version of
libcompiler_rt.

This can result in a completely empty library (e.g. soft-float doesn't have any
x86 variants), in which case we shouldn't even try the build

llvm-svn: 197028
 2013-12-11 11:25:53 +00:00
Evgeniy Stepanov cd07898cf8 [msan] Get stack limits with pthread_create interceptor. 
Before we did it lazily on the first stack unwind in the thread.
It resulted in deadlock when the unwind was caused by memory allocation
inside pthread_getattr_np:
  pthread_getattr_np   <<< not reentable
  GetThreadStackTopAndBottom
  __interceptor_realloc
  pthread_getattr_np
  

llvm-svn: 197026
 2013-12-11 10:55:42 +00:00
Alexey Samsonov 4fc8098979 [TSan] Move declarations of __tsan_atomic functions to a public header 
llvm-svn: 197015
 2013-12-11 08:18:50 +00:00
Alexey Samsonov 2424dfa688 [TSan] Replace __tsan::OverrideFlags with __tsan::OnInitialize 
llvm-svn: 197014
 2013-12-11 07:31:36 +00:00
Matt Arsenault d326252d29 Fix minor gcc warnings. 
C++ style comments not allowed in C90,
signed unsigned comparision.

llvm-svn: 196948
 2013-12-10 19:05:43 +00:00
Kostya Serebryany b00a0e2971 [asan] relax HugeMallocTest so that it does not fail on small-RAM machines 
llvm-svn: 196904
 2013-12-10 10:34:55 +00:00
Kostya Serebryany b2eb3d3177 [asan] remove one test from SizedStackTest which relied on a now-wrong assumption that the left stack redzone is >= 32 bytes (PR18195) 
llvm-svn: 196900
 2013-12-10 09:49:31 +00:00
Timur Iskhodzhanov 89a346c2a1 [ASan] Fix StackTrace::SlowUnwindStack on Windows 
llvm-svn: 196894
 2013-12-10 08:30:39 +00:00
Chandler Carruth 3f697191bb Revert a final patch that was committed without the author contributing 
it to the LLVM project through the appropriate channels.

This reverts:
r195837: "[Sanitizer] Add rudimentary support for using libbacktrace in ..."

llvm-svn: 196875
 2013-12-10 04:40:39 +00:00
Richard Smith ab788cdc81 Unbreak build by adding an implementation of PopStackFrames function. 
llvm-svn: 196809
 2013-12-09 19:52:39 +00:00
Chandler Carruth 736f9fd229 Revert three patches which were committed without explicit contribution 
by their authors.

This may break builds where others added code relying on these patches,
but please *do not* revert this commit. Instead, we will prepare patches
which fix the failures.

Reverts the following commits:
r168306: "[asan] support x32 mode in the fast stack unwinder. Patch by H.J. Lu"
r168356: "[asan] more support for powerpc, patch by Peter Bergner"
r196489: "[sanitizer] fix the ppc32 build (patch by Jakub Jelinek)"

llvm-svn: 196802
 2013-12-09 19:25:51 +00:00
Will Dietz 3177a7f38a ubsan: Fix typo in 'TypeCheck/vptr.cpp' test to resolve 32bit failure. 
llvm-svn: 196799
 2013-12-09 19:04:33 +00:00
Sergey Matveev 47b02994f1 Fix Windows build. 
llvm-svn: 196780
 2013-12-09 13:24:44 +00:00
Alexey Samsonov 9f6218bf44 PR17977: don't assume EOWNERDEAD is always defined 
Summary: See details in http://llvm.org/bugs/show_bug.cgi?id=17977

Reviewers: dvyukov

Reviewed By: dvyukov

CC: glider, llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2340

llvm-svn: 196779
 2013-12-09 13:21:43 +00:00
Sergey Matveev b1b8d1aa47 [lsan] Make LSan ignore memory poisoned by ASan. 
Summary:
No more (potenital) false negatives due to red zones or fake stack
frames.

Reviewers: kcc, samsonov

Reviewed By: samsonov

CC: llvm-commits, samsonov

Differential Revision: http://llvm-reviews.chandlerc.com/D2359

llvm-svn: 196778
 2013-12-09 13:12:10 +00:00
Will Dietz 186507dac6 Fix integer tests on platforms where uint64_t is 'unsigned long long'. 
llvm-svn: 196612
 2013-12-06 21:49:18 +00:00
Kostya Serebryany 3429f78289 [asan] in SizedStackTest check the death string, also restrict one of the checks to 64-bit 
llvm-svn: 196576
 2013-12-06 09:33:36 +00:00
Evgeniy Stepanov 67bbf967b0 [msan] Allow strlen() (and similar functions) of shadow memory. 
llvm-svn: 196572
 2013-12-06 09:19:07 +00:00
Kostya Serebryany cab32309f8 [asan] rewrite asan's stack frame layout, compiler-rt part 
llvm-svn: 196569
 2013-12-06 09:00:25 +00:00
Alexey Samsonov 5ca3de6e91 PR16532: work around old GCC bug in interception_type_test.cc 
llvm-svn: 196506
 2013-12-05 13:29:46 +00:00
Alexey Samsonov 2d42b1d693 Run TSan/MSan lit tests only on 64-bit platforms 
llvm-svn: 196501
 2013-12-05 12:53:36 +00:00
Sergey Matveev 9be70fbda9 [sanitizer] Introduce VReport and VPrintf macros and use them in sanitizer code. 
Instead of "if (common_flags()->verbosity) Report(...)" we now have macros.

llvm-svn: 196497
 2013-12-05 12:04:51 +00:00
Kostya Serebryany 3b2f702d55 [tsan] fix the old tsan Makefile to build the asm files with includes 
llvm-svn: 196495
 2013-12-05 11:24:06 +00:00
Alexey Samsonov 58e44a3447 Revert r196490 and fix include paths in makefile-based build 
llvm-svn: 196492
 2013-12-05 10:40:11 +00:00
Kostya Serebryany d4af5c241d [asan] revert files which I accidentally commited in r196490 
llvm-svn: 196491
 2013-12-05 09:47:21 +00:00
Kostya Serebryany 9ffa232f06 [tsan] fix the include path that is broken in configure/make build but works in cmake build (PR18144). This is a quick fix. Will need to fix the configure/make build properly 
llvm-svn: 196490
 2013-12-05 09:42:59 +00:00
Kostya Serebryany f2c93b2973 [sanitizer] fix the ppc32 build (patch by Jakub Jelinek) 
llvm-svn: 196489
 2013-12-05 08:51:48 +00:00
Kostya Serebryany 14e92c2c62 [sanitizer] support toolchains that don't understand CFI directives 
Summary: Support toolchains that don't understand CFI directives.

Reviewers: dvyukov

Reviewed By: dvyukov

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2336

llvm-svn: 196480
 2013-12-05 07:44:35 +00:00
Lorenzo Martignoni 65550a5dd1 [DFSan] Extend the ABI list to discard new glibc functions 
Differential Revision: http://llvm-reviews.chandlerc.com/D2291

llvm-svn: 196389
 2013-12-04 16:53:10 +00:00
Lorenzo Martignoni dc601d8f3a [DFSan] Change the way labels are propagated when comparing memory through libc functions. 
Differential Revision: http://llvm-reviews.chandlerc.com/D2252

llvm-svn: 196388
 2013-12-04 16:48:09 +00:00
Sergey Matveev 7bc300c8fc [sanitizer] Fix log_path behavior with StopTheWorld. 
Summary:
Fix race on report_fd/report_fd_pid between the parent process and the
tracer task.

Reviewers: samsonov

Reviewed By: samsonov

CC: llvm-commits, kcc, dvyukov

Differential Revision: http://llvm-reviews.chandlerc.com/D2306

llvm-svn: 196385
 2013-12-04 14:37:01 +00:00
Timur Iskhodzhanov b8c367b49d [ASan] Use 'extern "C"' rather than 'extern' for global variables exposed in the interface 
llvm-svn: 196379
 2013-12-04 12:51:42 +00:00
Kostya Serebryany 5b66bad259 [asan] require __i686__ for the SSE test; also make weaker claims about stack buffer overflows in another test 
llvm-svn: 196375
 2013-12-04 10:48:16 +00:00
Kostya Serebryany 32b0b21790 [asan] revert 196373: committed to many files by mistake 
llvm-svn: 196374
 2013-12-04 10:47:14 +00:00
Kostya Serebryany 0060391a63 [asan] require __i686__ for the SSE test; also make weaker claims about stack buffer overflows in another test 
llvm-svn: 196373
 2013-12-04 10:44:13 +00:00