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2996 Commits

Author SHA1 Message Date
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
Alexey Samsonov e958f9e480 [ASan] Return interface attribute to __sanitizer_print_stack_trace 
llvm-svn: 196364
 2013-12-04 08:17:45 +00:00
Yuchen Wu a5de343c79 compiler-rt: Added support for function checksums. 
llvm-svn: 196357
 2013-12-04 06:00:04 +00:00
Sergey Matveev 12d2143dbc [asan] Fix build error. 
llvm-svn: 196303
 2013-12-03 18:44:50 +00:00
Sergey Matveev d8fb4d8f91 [sanitizer] Expose __sanitizer_print_stack_trace(). 
Expose a new interface function for debugging code built with sanitizer tools.
Add an ASan implementation.

llvm-svn: 196302
 2013-12-03 18:24:28 +00:00
Joerg Sonnenberger 24f4a7dbec For libkern and libsa on NetBSD, the normal system headers can't be 
used. Adjust.

llvm-svn: 196292
 2013-12-03 16:19:14 +00:00
Alexey Samsonov 907eb5b630 [Sanitizer] Use more appropriate InternalScopedString in GetCodeRangeForFile 
llvm-svn: 196264
 2013-12-03 09:29:23 +00:00
Alexey Samsonov 8dd33a27c3 [Sanitizer] Fix a bug introduced in r196112. Add a test. 
llvm-svn: 196263
 2013-12-03 09:21:08 +00:00
Sergey Matveev b748d46019 [sanitizer] Allow InternalMmapVector construction with zero capacity. 
llvm-svn: 196112
 2013-12-02 15:41:04 +00:00
Evgeniy Stepanov c0378e72d1 [sanitizer] Intercept textdomain. 
Patch by Alexander Taran.

llvm-svn: 196098
 2013-12-02 13:43:26 +00:00
Kostya Serebryany 5236c79932 [asan] disable AddressSanitizer.HugeMallocTest if ASAN_AVOID_EXPENSIVE_TESTS is set 
llvm-svn: 196097
 2013-12-02 13:22:27 +00:00
Kostya Serebryany dc58090213 [asan] dump coverage even if asan has reported an error 
llvm-svn: 195959
 2013-11-29 14:49:32 +00:00
Kostya Serebryany 5774faf5b0 [sanitizer] disable shmctl intercetor in 32-bit -- it is rotten (bug filed) 
llvm-svn: 195958
 2013-11-29 14:09:13 +00:00
Timur Iskhodzhanov 5ca41e3800 Increase the LocatePcInTrace PC threshold now that GET_STACK_TRACE_WITH_PC_AND_BP has grown 
llvm-svn: 195957
 2013-11-29 13:15:25 +00:00
Timur Iskhodzhanov a10c46f2ae Fix current stack unwinding when using DRASan 
llvm-svn: 195956
 2013-11-29 12:53:30 +00:00
Timur Iskhodzhanov bbf2ff8193 [ASan] Also print <empty stack> when size==0 
llvm-svn: 195955
 2013-11-29 12:08:59 +00:00
Evgeniy Stepanov f2cddc3e64 [sanitizer] Disable iconv interceptor in OSX. 
iconv is defined in an optional DSO, and our interception logic on OSX does not
support that.

llvm-svn: 195919
 2013-11-28 14:42:59 +00:00
Evgeniy Stepanov b56c5cd95e [sanitizer] Intercept times. 
llvm-svn: 195918
 2013-11-28 14:41:22 +00:00
Evgeniy Stepanov 9c1f8323ae [sanitizer] Intercept iconv. 
llvm-svn: 195917
 2013-11-28 14:14:48 +00:00
Dmitry Vyukov 25ecfcf00c tsan: deflake more tests 
llvm-svn: 195916
 2013-11-28 10:12:16 +00:00
Dmitry Vyukov 8d1eb705c7 tsan: add support for passing file descriptors over UNIX domain sockets 
tsan was missing new fd's arrived from recvmsg(),
and thus was reporting false positives due to missed synchronization on the fd's

llvm-svn: 195914
 2013-11-28 09:09:42 +00:00
Dmitry Vyukov 0fea3ad0c7 tsan: deflake more tests 
llvm-svn: 195913
 2013-11-28 09:06:55 +00:00
Dmitry Vyukov c03868615b tsan: clarify "thread ended with ignores enabled" message 
llvm-svn: 195858
 2013-11-27 18:23:52 +00:00
Timur Iskhodzhanov c085e99385 Add a DLL thunk for __asan_handle_no_return 
llvm-svn: 195845
 2013-11-27 14:36:44 +00:00
Alexey Samsonov e0e31c4a30 [ASan] Clarify that AsanThread objects are allocated only via mmap(). No functionality change. 
llvm-svn: 195840
 2013-11-27 13:22:21 +00:00
Evgeniy Stepanov b76b687628 [sanitizer] Intercept __xpg_strerror_r. 
llvm-svn: 195839
 2013-11-27 12:29:10 +00:00
Lorenzo Martignoni 085bf66e60 Added missing lib/dfsan/scripts/check_custom_wrappers.sh 
llvm-svn: 195838
 2013-11-27 11:50:44 +00:00
Alexey Samsonov 1c256cbcc4 [Sanitizer] Add rudimentary support for using libbacktrace in symbolizer. 
More steps are needed to actually make it usable:
* sanitizer runtimes should be compiled with -DSANITIZER_LIBBACKTRACE.
* libbacktrace headers should be installed.
* user has to manually link in libbacktrace.a into the executable.

We can easily solve the first two problems in the build system, but
detecting/linking libbacktrace to all the tests we have and end-user programs
is more challenging (and will unlikely work w/o Driver support).

Based on the patch by Jakub Jelinek!

llvm-svn: 195837
 2013-11-27 11:46:58 +00:00
Dmitry Vyukov 3238e1c913 tsan: better diagnostics if thread finishes with ignores enabled 
print thread creation stack
and stacks where ignores were enabled.

llvm-svn: 195836
 2013-11-27 11:30:28 +00:00
Dmitry Vyukov 44be414d69 asan: fix android build 
android does not seem to have IOCB_CMD_PREADV

llvm-svn: 195835
 2013-11-27 11:20:55 +00:00
Dmitry Vyukov 89117e1fcc tsan: do not leave verbosity>0 in tests 
llvm-svn: 195833
 2013-11-27 10:05:22 +00:00
Dmitry Vyukov 51b35901fd tsan: minor refactoring 
use common helper macro

llvm-svn: 195832
 2013-11-27 09:59:11 +00:00
Dmitry Vyukov 7bd319cc08 tsan: fix flags parsing 
- running_on_valgrind was not parsed in some contexts
- refactor code a bit
- add comprehensive tests for flags parsing

llvm-svn: 195831
 2013-11-27 09:54:10 +00:00
Dmitry Vyukov ee882ba4a1 tsan: support synchronization by means of linux aio 
http://llvm-reviews.chandlerc.com/D2269

llvm-svn: 195830
 2013-11-27 09:10:47 +00:00
Alexey Samsonov d5144879f9 [Sanitizer] Improve external symbolizer behavior. 
1) Don't start external symbolizer subprocess until we actually try to
   symbolize anything.
2) Allow to turn off external symbolizer by providing empty ?SAN_SYMBOLIZER_PATH
   environment variable.

llvm-svn: 195771
 2013-11-26 16:24:53 +00:00
Lorenzo Martignoni 895454e1e4 Implement a bunch of custom glibc wrappers & corresponding tests 
llvm-svn: 195749
 2013-11-26 11:45:58 +00:00
Timur Iskhodzhanov 895392d03f [ASan] Use ExitProcess rather than _exit on Windows to avoid calling global dtors etc 
llvm-svn: 195723
 2013-11-26 09:40:39 +00:00
Peter Collingbourne 4184a471f2 build-libc-list.py: Replace --{,usr,gcc}lib with flags for specific libraries. 
This should allow us to cope with newer versions of GCC (and more esoteric
directory layouts).

llvm-svn: 195695
 2013-11-25 23:50:05 +00:00
Sergey Matveev 5170bca73c [lsan] Unbreak lsan_testlib.cc. 
Also, add missing logging output.

llvm-svn: 195652
 2013-11-25 15:54:31 +00:00
Alexey Samsonov c700e76278 [UBSan] Fix warning by specifying __extension__ before __int128 
llvm-svn: 195648
 2013-11-25 15:12:40 +00:00
Dmitry Vyukov 8cb7d46d98 tsan: filter out more bogus fd values 
people do close(sysconf(_SC_OPEN_MAX)) after fork, where _SC_OPEN_MAX=1200000.

llvm-svn: 195645
 2013-11-25 14:53:29 +00:00
Sergey Matveev 6b0f6af374 [lsan] Add a missing file. 
llvm-svn: 195643
 2013-11-25 14:30:37 +00:00
Sergey Matveev 2d3f8d7840 [lsan] Unbreak standalone LSan's initialization by making it more like ASan's. 
No longer allow interceptors to be called during initialization, use the preinit
array (instead of initializing at the first call to an intercepted function) and
adopt the calloc() hack from ASan.

llvm-svn: 195642
 2013-11-25 14:25:36 +00:00
Kostya Serebryany ccfc0481f1 [sanitizer] Implement TwoLevelByteMap and use it for the internal allocator on 64-bit. 
Summary:
Implement TwoLevelByteMap and use it for the internal allocator on 64-bit.
This reduces bss on 64-bit by ~8Mb because we don't use FlatByteMap on 64-bits any more.

Dmitry, please check my understanding of atomics.

Reviewers: dvyukov

Reviewed By: dvyukov

CC: samsonov, llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2259

llvm-svn: 195637
 2013-11-25 11:33:41 +00:00
Timur Iskhodzhanov 0d419293e2 [ASan] Follow-up fix: use #if SANITIZER_WINDOWS, not #ifdef 
llvm-svn: 195625
 2013-11-25 07:56:05 +00:00
Timur Iskhodzhanov 25cc3c55cc [ASan] Un-break the Windows build 
llvm-svn: 195624
 2013-11-25 07:54:55 +00:00
Sergey Matveev 634a75b63e [sanitizer] Do not clear memory which comes from secondary allocator. 
Secondary allocator is mmap-based, so the memory is already zeroed.

llvm-svn: 195571
 2013-11-24 14:45:38 +00:00
Sergey Matveev 10548681c0 [lsan] Use real memset to clear memory in standalone LSan. 
Performance improvement. Also, the allocator was using CompactSizeClassMap for
no good reason, so I switched it to DefaultSizeClassMap.

llvm-svn: 195570
 2013-11-24 14:28:18 +00:00
Kostya Serebryany a2fde9484f [sanitizer] use 16-byte aligned bzero in performance critical place (mostly for lsan) 
llvm-svn: 195549
 2013-11-23 12:49:19 +00:00
Alexander Potapenko 32474d6226 [ASan] Fix large_allocator_unpoisons_on_free.cc to pass correct parameters to mmap() on OSX. 
llvm-svn: 195443
 2013-11-22 11:19:28 +00:00
Evgeniy Stepanov 8f944b6672 [sanitizer] Fix kernel headers compatibility on powerpc64. 
llvm-svn: 195442
 2013-11-22 11:01:43 +00:00
Kostya Serebryany b1118e5952 Call real pthread_attr_getstack instead of the interceptor 
Summary:
Call real pthread_attr_getstack instead of the interceptor
when we do intercept pthread_attr_getstack.

Reviewers: samsonov, eugenis

Reviewed By: samsonov

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2237

llvm-svn: 195441
 2013-11-22 10:44:31 +00:00
Evgeniy Stepanov db643d7678 [sanitizer] Add kernel_stat definitions for arm. 
llvm-svn: 195436
 2013-11-22 10:09:34 +00:00
Evgeniy Stepanov f3aa5b5257 [sanitizer] Restore perf_event_attr handling. 
This time in a forward/backward compatible way.

llvm-svn: 195434
 2013-11-22 09:32:39 +00:00
Evgeniy Stepanov c53407de3c [sanitizer] Fix build. 
llvm-svn: 195433
 2013-11-22 09:26:10 +00:00
Evgeniy Stepanov 39cc337e20 [sanitizer] Change the way we use certain linux kernel headers. 
Some linux headers are broken on older kernels.
Instead of depending on the constants and types from such headers directly,
we provide our own definitions and then verify them with compile-time
assertions. This makes the dependency on the headers test-only and would allow
switching to some other way of testing on older kernels, or even disable the
tests as the last resort (after all, kernel interfaces are supposed to be
stable).

llvm-svn: 195427
 2013-11-22 09:01:50 +00:00
Evgeniy Stepanov fe8ed4a591 [sanitizer] Add missing header dependencies. 
llvm-svn: 195425
 2013-11-22 08:55:33 +00:00
Peter Collingbourne f09d5d03fd Revert r195381, "Implement a bunch of custom glibc wrappers & corresponding tests." 
It broke a buildbot.

llvm-svn: 195392
 2013-11-21 23:48:19 +00:00
Peter Collingbourne 0a14a71061 Implement a bunch of custom glibc wrappers & corresponding tests. 
- Introduce several new custom glibc wrappers
- Implement some of the not yet implemented wrappers
- Refactor and extend the tests
- Add script to make sure all declare custom glibc wrappers are implemented & tested.

Patch by Lorenzo Martignoni!

Differential Revision: http://llvm-reviews.chandlerc.com/D2234

llvm-svn: 195381
 2013-11-21 23:18:03 +00:00
Kostya Serebryany 67968632ba [asan] rename contiguous-container-buffer-overflow (too long) to container-overflow 
llvm-svn: 195352
 2013-11-21 12:23:52 +00:00
Dmitry Vyukov 5f1a783914 tsan: deflake tests 
the tests produce episodic flakes
the hypothesis is that it's due to our "racy" race detection algorithm
sleeps should remove the flakes

llvm-svn: 195351
 2013-11-21 12:23:17 +00:00
Evgeniy Stepanov 1bdf5c93e1 [msan] Test for r195349. 
llvm-svn: 195350
 2013-11-21 12:01:07 +00:00
Dmitry Vyukov 70fcec46e9 tsan: remove debug output from test 
llvm-svn: 195347
 2013-11-21 11:50:45 +00:00
Dmitry Vyukov 5fa72d4c3f tsan: add -lm to output test build script 
as common sanitizer interceptors now require it

llvm-svn: 195346
 2013-11-21 11:49:08 +00:00
Dmitry Vyukov 4ca8ee692e tsan: fix handling of setjmp 
It's incorrect to take address of setjmp,
because it may not (ligally) present in libc.
Fixes http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59188

llvm-svn: 195345
 2013-11-21 11:48:29 +00:00
Kostya Serebryany 53c51a1675 [tsan] use FileCheck in race_on_speculative_load.cc 
llvm-svn: 195331
 2013-11-21 09:09:47 +00:00
Kostya Serebryany 95f3e54066 [tsan] add a run-time-side regression test for https://code.google.com/p/thread-sanitizer/issues/detail?id=40 (tsan-hostile load speculation) 
llvm-svn: 195325
 2013-11-21 07:31:12 +00:00
Evgeniy Stepanov 3e29c6bf22 [asan] Fix OSX tests. 
llvm-svn: 195250
 2013-11-20 14:21:56 +00:00
Evgeniy Stepanov 0958ecca7e [msan] Tweak io_submit syscall hook. 
llvm-svn: 195246
 2013-11-20 13:04:23 +00:00
Evgeniy Stepanov 584fd96e9e [msan] Unpoison memory that is returned to the OS and flush its shadow. 
llvm-svn: 195244
 2013-11-20 12:51:14 +00:00
Evgeniy Stepanov 115ef14548 [asan] Test that LargeAllocator unpoisons memory before releasing it to the OS. 
llvm-svn: 195243
 2013-11-20 12:49:53 +00:00
Yuchen Wu ea7611c53c compiler-rt: Support for file checksum in GCDAProfiling.cpp. 
Takes file checksum as an argument to write to .gcda file.

llvm-svn: 195190
 2013-11-20 04:14:48 +00:00
Dmitry Vyukov 2918b67029 tsan: fix WTFAnnotateBenignRaceSized annotation 
actually use the passed size

llvm-svn: 195133
 2013-11-19 16:03:15 +00:00
Kostya Serebryany 3771a3dd73 [asan] remove a fixed FIXME; extend the comment around __sanitizer_annotate_contiguous_container 
llvm-svn: 195131
 2013-11-19 14:54:14 +00:00
Evgeniy Stepanov bfb2016c83 [msan] Fix origin tracking in unaligned load/store. 
llvm-svn: 195130
 2013-11-19 14:47:56 +00:00
Kostya Serebryany 7b664299f0 [asan] new shadow poison magic for contiguous-container-buffer-overflow, addressed Alexey Samsonov's comments for r195011 
llvm-svn: 195117
 2013-11-19 08:40:07 +00:00
Peter Collingbourne 01b337dc2d [dfsan] Tweaks for the ABI list 
- Add a bunch of glibc functions to the ABI list
- Group similar functions in the ABI

Patch by Lorenzo Martignoni!

Differential Revision: http://llvm-reviews.chandlerc.com/D2185

llvm-svn: 195110
 2013-11-19 06:33:13 +00:00
Alexey Samsonov 59243333de [ASan] Run one of UAS tests in UAR mode as well 
llvm-svn: 195015
 2013-11-18 14:54:50 +00:00
Kostya Serebryany 60ecf38133 [asan] fix Windows build 
llvm-svn: 195012
 2013-11-18 14:26:13 +00:00
Kostya Serebryany 3d97c2040d [asan] introduce __sanitizer_annotate_contiguous_container 
llvm-svn: 195011
 2013-11-18 14:02:05 +00:00
Kostya Serebryany a92b07d684 [asan] support __hppa__ (by John David Anglin) 
llvm-svn: 194995
 2013-11-18 08:20:13 +00:00
Alexey Samsonov be9d20b7a9 [ASan] Build ASan on Windows only if MSVC is used 
llvm-svn: 194963
 2013-11-17 12:18:35 +00:00
Alexey Samsonov 5d3fda728d CMake: don't build sanitizer runtimes on 64-bit Windows (it's unsupported for now) 
llvm-svn: 194958
 2013-11-17 10:12:23 +00:00
Alexey Samsonov 4985d5274a [DFSan] Don't include public headers in dfsan runtime code 
Summary:
Definitions we use in public sanitizer headers may
slightly conflict with the ones we use in private sanitizer runtimes.
Moreover, we generally forbid to include any system headers (like <stdint.h>)
in sanitizer runtime headers. This leads to inevitable duplication of selected
interface function declarations, but we decided to live with it.

Reviewers: pcc

Reviewed By: pcc

CC: kcc, llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2179

llvm-svn: 194955
 2013-11-17 09:41:47 +00:00
Tim Northover 084647d4c0 Add clang_darwin_embedded platform for embedded projects 
This should build a separate set of embedded runtime libraries, supporting the
option product:

    {PIC, static} x { Hard-float, soft-float }

The emphasis is on ARM platforms (Cortex-M4F, Cortex-M3, Cortex-M0) but X86
variants are also built where possible.

rdar://problem/10817205

llvm-svn: 194873
 2013-11-15 23:00:42 +00:00
Bob Wilson 99d8fa92c3 Remove #include of net/ip_mroute.h for SANITIZER_MAC. 
This header has not been supported at all for the last 2 major OS X releases.
Removed its include and the capture of related symbols.

<rdar://problem/15303348>

llvm-svn: 194841
 2013-11-15 19:13:08 +00:00
Dmitry Vyukov 4bbe6dc8a9 tsan: add support for robust mutexes 
llvm-svn: 194823
 2013-11-15 16:58:12 +00:00
Kostya Serebryany b41503253b [asan] helper script to dump/merge coverage data 
llvm-svn: 194809
 2013-11-15 11:51:08 +00:00
Alexey Samsonov a6e8322fb1 [Sanitizer] Make slow unwinder on Linux more robust 
llvm-svn: 194805
 2013-11-15 10:57:56 +00:00
Dmitry Vyukov 0b76e408b4 tsan: add proper cfi directives to assembly code 
this allows gdb to unwind through our hacky call

llvm-svn: 194803
 2013-11-15 10:25:53 +00:00
Alexey Samsonov 352d0e52f5 Don't build unsupported compiler-rt pieces on Windows 
llvm-svn: 194796
 2013-11-15 09:09:23 +00:00
Bob Wilson a08e9ac927 Reapply asan coverage changes 194702-194704. 
I still don't know what is causing our bootstrapped LTO buildbots to fail,
but llvm r194701 seems to be OK and I can't imagine that these changes could
cause the problem.

llvm-svn: 194790
 2013-11-15 07:18:15 +00:00
Bob Wilson abc91eacac Speculatively revert asan coverage changes 194702-194704. 
Apple's bootstrapped LTO builds have been failing, and these changes (along
with llvm 194701) are the only things on the blamelist.  I will either reapply
these changes or help debug the problem, depending on whether this fixes the
buildbots.

llvm-svn: 194779
 2013-11-15 03:26:28 +00:00
Dmitry Vyukov 2e7e5801a7 asan: disable pthread_setname_np interceptor 
it does not work anyway and can cause significant slowdown

llvm-svn: 194711
 2013-11-14 16:48:22 +00:00
Kostya Serebryany c46f281f83 [asan] unbreak dfsan, which includes sanitizer/common_interface_defs.h into internal sources (although it shoudn't) 
llvm-svn: 194704
 2013-11-14 13:44:43 +00:00
Kostya Serebryany 599f0c1309 [asan] disable CovDump on Windows for now (fails to compile) 
llvm-svn: 194703
 2013-11-14 13:37:54 +00:00
Kostya Serebryany 91c52d9552 [asan] Poor man's coverage that works with ASan (compiler-rt part) 
llvm-svn: 194702
 2013-11-14 13:28:17 +00:00