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1662 Commits

Author SHA1 Message Date
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 5eb25e8d39 [sanitizer] Remove an extra va_copy. 
llvm-svn: 174883
 2013-02-11 14:08:12 +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 257274e754 [msan] Lit tests for MemorySanitizer. 
Build system setup for MSan lit tests (build with freshly-built clang, run,
check output) - a nearly exact copy from ASan.
First 2 lit tests for MSan.

llvm-svn: 174876
 2013-02-11 11:34:26 +00:00
Kostya Serebryany 53e37ef74f [tsan] added tsan-vs-gvn test 
llvm-svn: 174875
 2013-02-11 11:28:03 +00:00
Evgeniy Stepanov 9f9d79f3ad [sanitizer] Fix line numbers in a sanitizer lit test. 
llvm-svn: 174861
 2013-02-11 07:19:24 +00:00
Evgeniy Stepanov 0b805cc75c [asan] Fix off-by-one in AddrIsAtRight. 
llvm-svn: 174710
 2013-02-08 12:59:42 +00:00
Evgeniy Stepanov 60a8e5b9b7 [sanitizer] Fix lint. 
llvm-svn: 174708
 2013-02-08 12:13:43 +00:00
Timur Iskhodzhanov 167f9e4395 [ASan] Switch Windows to allocator v2, also fixing some build errors 
llvm-svn: 174707
 2013-02-08 12:02:00 +00:00
Timur Iskhodzhanov 659bca56a7 [ASan] Move functions using BitScan/clzl to sanitizer_common 
llvm-svn: 174706
 2013-02-08 11:45:04 +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
Dmitry Vyukov e679798315 tsan: fix suppress_java logic 
llvm-svn: 174635
 2013-02-07 17:12:28 +00:00
Alexander Potapenko c192af29f5 [ASan] Remove the replace_cfallocator flag, which is used no more. 
See https://code.google.com/p/address-sanitizer/issues/detail?id=10 for the context.

llvm-svn: 174629
 2013-02-07 15:59:37 +00:00
Alexander Potapenko dc91edad59 [ASan] Enable alloc_dealloc_mismatch by default on Darwin. 
Enable AddressSanitizer.AllocDeallocMismatch tests.

llvm-svn: 174628
 2013-02-07 15:55:21 +00:00
Alexander Potapenko 4fb43438d9 [ASan] Enable the new and delete wrappers on Darwin. 
Also fix large_func_test.cc, which got broken when we switched to allocator2: the OOB access was too far from the original allocation, so ASan decided to describe the next one.

llvm-svn: 174626
 2013-02-07 15:33:56 +00:00
Dmitry Vyukov effd98b0f4 tsan: intercept libc __res_iclose 
this is required to catch close of file descriptors created in getaddrinfo()

llvm-svn: 174624
 2013-02-07 15:27:45 +00:00
Dmitry Vyukov e94f4c048e tsan: fix Go build 
llvm-svn: 174622
 2013-02-07 15:26:55 +00:00
Kostya Serebryany 39675fe9c8 [sanitizer] always allocate 16-byte aligned chunks of memory 
llvm-svn: 174617
 2013-02-07 15:04:06 +00:00
Alexander Potapenko 109aa04ea9 [sanitizer_common] Fix lint warnings. 
llvm-svn: 174616
 2013-02-07 14:58:04 +00:00
Alexander Potapenko 07c740e213 [ASan] Fix a compilation warning. 
llvm-svn: 174604
 2013-02-07 12:00:40 +00:00
Alexander Potapenko f444a49310 [ASan] Implement asan_mz_size(), asan_mz_force_lock() and asan_mz_force_unlock() for allocator2. 
Switch to allocator2 on Darwin.

llvm-svn: 174603
 2013-02-07 11:40:03 +00:00
Evgeniy Stepanov 4ea6816247 [sanitizer] OFF_T on Mac is u64. 
llvm-svn: 174600
 2013-02-07 09:52:43 +00:00
Kostya Serebryany df2f0bff37 [tsan] race_on_write test 
llvm-svn: 174599
 2013-02-07 09:48:17 +00:00
Evgeniy Stepanov 44f083d49b [sanitizer] Exclude off64_t test on mac. 
llvm-svn: 174598
 2013-02-07 09:34:08 +00:00
Alexey Samsonov b788512d11 [Sanitizer] include stddef.h for ptrdiff_t in interception type test 
llvm-svn: 174597
 2013-02-07 09:03:01 +00:00
Zonr Chang 2d5d8168ff Implement aeabi_{f,d}cmp*. 
Special thanks to Anton for the review.

llvm-svn: 174596
 2013-02-07 08:29:47 +00:00
Kostya Serebryany 7b0b9b3b65 [msan] add strip_path_prefix flag; print error summary; don't crash while printing summary if debug info is missing. The tests will follow later once we establish the lit-like tests for msan. 
llvm-svn: 174595
 2013-02-07 08:04:56 +00:00
Evgeniy Stepanov 3e3d0be7de [sanitizer] Add a missing header. 
llvm-svn: 174594
 2013-02-07 07:43:41 +00:00
Evgeniy Stepanov 8268785f44 [sanitizer] Fix wrong size of OFF_T on 32-bit platforms. 
This broke pread/pwrite interceptors when building without
-D_FILE_OFFSET_BITS=64, and always on Android.

llvm-svn: 174593
 2013-02-07 07:37:12 +00:00
Alexey Samsonov 85cc9b655d [TSan] skip multiple internal frames, if necessary 
llvm-svn: 174516
 2013-02-06 16:28:05 +00:00
Alexander Potapenko 09aba10499 [ASan] fix the interceptor for siglongjmp. As we're using dylib interposition, we must intercept both siglongjmp and longjmp on Darwin. 
llvm-svn: 174510
 2013-02-06 15:45:43 +00:00
Alexander Potapenko d895ae94f9 Use 64-bit inodes in file operations. ASan is now built with -mmacosx-version-min=10.5, thus the default inode 
size is 32 bits. However the supported client code is going to target 10.6 and higher, where 64-bit inodes will be used.

llvm-svn: 174507
 2013-02-06 14:41:15 +00:00
Kostya Serebryany 21bedab7a1 [tsan] improve FrameIsInternal 
llvm-svn: 174506
 2013-02-06 14:32:16 +00:00
Kostya Serebryany 4fb340d972 [tsan] print error summary line 
llvm-svn: 174505
 2013-02-06 14:24:00 +00:00
Kostya Serebryany b4c2c5c8a6 [asan] print a short one-line report summary after the full report. Currently, works only if symbolization happens in-process. 
llvm-svn: 174501
 2013-02-06 12:36:49 +00:00
Alexander Potapenko 34157fc33f [ASan] Delete the code related to static runtime on OS X. 
Nuke lib/interception/mach_override.

llvm-svn: 174383
 2013-02-05 15:57:12 +00:00
Evgeniy Stepanov 36017454ac [asan] Fix Win/Mac build. 
llvm-svn: 174376
 2013-02-05 15:02:12 +00:00
Evgeniy Stepanov 1bc7298c44 [asan] Fix nonsensical reports of partial right OOB. 
In case of partial right OOB, ASan was reporting
  X is located 0 bytes to the right of [A, B)
where X was actually inside [A, B).

With this change, ASan will report B as the error address in such case.

llvm-svn: 174373
 2013-02-05 14:32:03 +00:00
Dmitry Vyukov fa67ed47e1 asan/tsan: fix failing CHECK on windows 
llvm-svn: 174319
 2013-02-04 10:42:38 +00:00
Alexey Samsonov 576e270287 [Sanitizer] use proper casting in *stat functions on Mac 
llvm-svn: 174318
 2013-02-04 10:31:39 +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
Dmitry Vyukov 7981ea8baa asan/tsan: fix compilation errors/bugs on Windows where long is 32-bit even in 64-bit mode 
llvm-svn: 174312
 2013-02-04 08:07:45 +00:00
Dmitry Vyukov 606de60163 tsan: intercept bind/listen 
llvm-svn: 174311
 2013-02-04 08:06:32 +00:00
Alexey Samsonov 4985b8766e [Sanitizer] use u32 instead of mode_t, which is defined in Darwin headers 
llvm-svn: 174189
 2013-02-01 16:32:18 +00:00
Alexey Samsonov 2e50809961 [ASan] remove debug output from the test 
llvm-svn: 174188
 2013-02-01 16:06:25 +00:00
Alexey Samsonov 39313b780d [Sanitizer] make internal_open have the same interface as libc version 
llvm-svn: 174187
 2013-02-01 15:58:46 +00:00
Dmitry Vyukov 1fab680c1b tsan: catch races on fd in more cases 
llvm-svn: 174184
 2013-02-01 15:52:35 +00:00
Alexey Samsonov 84cf6a4333 [TSan] remove artifacts from gotsan build in 'make clean' command 
llvm-svn: 174180
 2013-02-01 15:30:36 +00:00