53e61b1acf
[sanitizer] Define kPthreadDestructorIterations on POSIX systems.
...
llvm-svn: 192453
2013-10-11 14:19:14 +00:00
6dc0775f1f
tsan: catch more races on file descriptors
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llvm-svn: 192452
2013-10-11 14:13:11 +00:00
c9f9ada48d
tsan: fix epoll_ctl interceptor
...
Currently data-race-test unittests fail with the following false positive:
WARNING: ThreadSanitizer: data race (pid=20365)
Write of size 8 at 0x7da000008050 by thread T54:
#0 close tsan_interceptors.cc:1483 (racecheck_unittest-linux-amd64-O0+0x0000000eb34a)
#1 NegativeTests_epoll::Worker2() unittest/posix_tests.cc:1148 (racecheck_unittest-linux-amd64-O0+0x0000000cc6b1)
#2 MyThread::ThreadBody(MyThread*) unittest/./thread_wrappers_pthread.h:367 (racecheck_unittest-linux-amd64-O0+0x000000097500)
Previous read of size 8 at 0x7da000008050 by thread T49:
#0 epoll_ctl tsan_interceptors.cc:1646 (racecheck_unittest-linux-amd64-O0+0x0000000e9fee)
#1 NegativeTests_epoll::Worker1() unittest/posix_tests.cc:1140 (racecheck_unittest-linux-amd64-O0+0x0000000cc5b5)
#2 MyThread::ThreadBody(MyThread*) unittest/./thread_wrappers_pthread.h:367 (racecheck_unittest-linux-amd64-O0+0x000000097500)
llvm-svn: 192448
2013-10-11 13:33:22 +00:00
6c5e943953
[sanitizer] Ninja style fix to r192442.
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llvm-svn: 192443
2013-10-11 12:15:45 +00:00
dc75cf3368
[sanitizer] Move the PTHREAD_DESTRUCTOR_ITERATIONS constant to sanitizer_linux.h.
...
Add a test.
llvm-svn: 192442
2013-10-11 12:09:49 +00:00
0cd96165f1
[Sanitizer] StackTrace: kill CopyTo and reimplement CopyFrom
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llvm-svn: 192441
2013-10-11 11:14:20 +00:00
9d8385453b
[Sanitizer] Simplify StackTrace::FastUnwindStack interface and fix a bug with one-frame stack traces
...
llvm-svn: 192428
2013-10-11 09:58:30 +00:00
3431b38067
tsan: minor refactoring
...
Replace duplicate code snippet with function.
llvm-svn: 192357
2013-10-10 16:03:24 +00:00
fbb194ff34
tsan: add annotations to ignore synchronization operations
...
The annotations are AnnotateIgnoreSyncBegin/End,
may be useful to ignore some infrastructure synchronization
that introduces lots of false negatives.
llvm-svn: 192355
2013-10-10 15:58:12 +00:00
6f7fb43ad3
[sanitizer] Fix the parent liveness check in StopTheWorld.
...
Comparing the parent PID with 1 isn't sufficient to ensure the parent is alive,
because of prctl(PR_SET_CHILD_SUBREAPER, ...). Compare with the real parent's
recorded PID instead.
llvm-svn: 192295
2013-10-09 13:36:20 +00:00
adef754297
[sanitizer] Fix deadlock in StopTheWorld.
...
The tracer thread in StopTheWorld could wait on a mutex forever if the parent
process died before unlocking it. Use PR_SET_PDEATHSIG so that the parent would
kill the child in this scenario.
llvm-svn: 192210
2013-10-08 18:01:03 +00:00
398fb700a2
[sanitizer] Do not break the CFI unwind chain in clone().
...
Fixes build on clang 3.2, which doesn't support cfi_undefined. This change
doesn't seem to break the slow unwinder. Even if it does, the worst thing that
could happen is that we would not see a backtrace when a fatal error happens
under StopTheWorld.
llvm-svn: 192196
2013-10-08 16:38:39 +00:00
50ec07c196
[TSan] Automatically pick up llvm-symbolizer from PATH, as we do in another sanitizers
...
llvm-svn: 191954
2013-10-04 13:38:35 +00:00
12f5e639d6
[TSan] Add ValgrindSlowdown to the list of exported symbols
...
llvm-svn: 191952
2013-10-04 13:12:05 +00:00
513a3a6c0b
tsan: fix a bug in pthread_once when called from an ignored library
...
It must set thr->in_rtl = 0 before executing user callback.
llvm-svn: 191946
2013-10-04 10:27:21 +00:00
f2b811a618
Refactor the usage of strip_path_prefix option and make it more consistent across sanitizers
...
llvm-svn: 191943
2013-10-04 08:55:03 +00:00
302ec7b9bc
tsan: add memory_limit_mb flag
...
The flag allows to bound maximum process memory consumption (best effort).
If RSS reaches memory_limit_mb, tsan flushes all shadow memory.
llvm-svn: 191913
2013-10-03 17:14:35 +00:00
c967d2f49c
asan/msan/tsan: fix broken linux syscalls
...
Currently the following source code:
u64 NanoTime() {
kernel_timeval tv = {};
internal_syscall(__NR_gettimeofday, &tv, 0);
return (u64)tv.tv_sec * 1000*1000*1000 + tv.tv_usec * 1000;
}
generates the following assembly:
Dump of assembler code for function __sanitizer::NanoTime():
=> 0x00007ff30657d380 <+0>: lea -0x10(%rsp),%rdi
0x00007ff30657d385 <+5>: xor %esi,%esi
0x00007ff30657d387 <+7>: mov $0x60,%eax
0x00007ff30657d38c <+12>: syscall
0x00007ff30657d38e <+14>: mov $0,%eax
0x00007ff30657d393 <+19>: retq
with this change:
Dump of assembler code for function __sanitizer::NanoTime():
=> 0x00007faab834f380 <+0>: movq $0x0,-0x10(%rsp)
0x00007faab834f389 <+9>: movq $0x0,-0x8(%rsp)
0x00007faab834f392 <+18>: lea -0x10(%rsp),%rdi
0x00007faab834f397 <+23>: xor %esi,%esi
0x00007faab834f399 <+25>: mov $0x60,%eax
0x00007faab834f39e <+30>: syscall
0x00007faab834f3a0 <+32>: mov -0x8(%rsp),%rax
0x00007faab834f3a5 <+37>: mov -0x10(%rsp),%rcx
0x00007faab834f3aa <+42>: imul $0x3e8,%rax,%rdx
0x00007faab834f3b1 <+49>: imul $0x3b9aca00,%rcx,%rax
0x00007faab834f3b8 <+56>: add %rdx,%rax
0x00007faab834f3bb <+59>: retq
llvm-svn: 191908
2013-10-03 16:53:50 +00:00
19a1302046
asan/msan: fix "unused function 'OnExit'" warning
...
llvm-svn: 191904
2013-10-03 15:43:59 +00:00
fdfb2ade8f
asan/msan/tsan: move _exit interceptor to common interceptors
...
llvm-svn: 191903
2013-10-03 15:22:29 +00:00
bfe7bb7034
tsan: include lsan into presubmit check
...
llvm-svn: 191902
2013-10-03 14:56:08 +00:00
83ebd022d7
tsan: fix false positive in localtime()
...
llvm-svn: 191899
2013-10-03 14:12:09 +00:00
e07dc7d1fe
tsan: intercept _exit so that we can override exit status
...
llvm-svn: 191898
2013-10-03 14:00:46 +00:00
5ba736457c
tsan: ignore interceptors coming from specified libraries
...
LibIgnore allows to ignore all interceptors called from a particular set
of dynamic libraries. LibIgnore remembers all "called_from_lib" suppressions
from the provided SuppressionContext; finds code ranges for the libraries;
and checks whether the provided PC value belongs to the code ranges.
Also make malloc and friends interceptors use SCOPED_INTERCEPTOR_RAW instead of
SCOPED_TSAN_INTERCEPTOR, because if they are called from an ignored lib,
then must call our internal allocator instead of libc malloc.
llvm-svn: 191897
2013-10-03 13:37:17 +00:00
364f70c728
[asan] Don't require X86 to build Android runtime.
...
Patch by Greg Fitzgerald.
llvm-svn: 191883
2013-10-03 08:31:14 +00:00
c907a60ffb
[sanitizer] Fix localtime and gmtime interceptors to clean tm->tm_zone.
...
llvm-svn: 191827
2013-10-02 14:30:03 +00:00
945397157b
tsan: fix the following compiler warning
...
sanitizer_common_interceptors.inc:1142:53: warning: invoking macro INTERCEPTOR argument 3: empty macro arguments are undefined in ISO C90 and ISO C++98 [enabled by default]
llvm-svn: 191822
2013-10-02 14:04:23 +00:00
af335eddfe
msan: fix compiler warnings about unused variables
...
llvm-svn: 191821
2013-10-02 14:02:08 +00:00
8358c41477
tsan: use ninja instead of make (faster and less output)
...
llvm-svn: 191819
2013-10-02 12:57:43 +00:00
f60d8ae155
This fixme is resolved, fix the test.
...
llvm-svn: 191810
2013-10-02 05:05:28 +00:00
b7aa592c19
Make the InvalidValueData take a SourceLocation.
...
llvm-svn: 191807
2013-10-02 02:29:47 +00:00
20abdf69ec
Add top-level CMake 'compiler-rt' target to build all compiler-rt libraries
...
llvm-svn: 191747
2013-10-01 12:52:15 +00:00
3b54a83d26
[LSan] Rework r191522 - treat allocations with short stack traces as live
...
llvm-svn: 191662
2013-09-30 10:57:56 +00:00
f56ddf7fd1
[LSan] Don't report leaks with single-frame stack traces
...
llvm-svn: 191522
2013-09-27 13:54:20 +00:00
01781722b6
[sanitizer] Intercept backtrace, backtrace_symbols.
...
llvm-svn: 191516
2013-09-27 12:40:23 +00:00
3c42ce1516
[asan] introduce run-time flag uar_stack_size_log to control the size of FakeStack; don't crash when the fake stack is exhausted, move some code to .cc file
...
llvm-svn: 191510
2013-09-27 11:37:23 +00:00
022235cf04
[msan] Unpoison argument shadow for C++ module destructors.
...
Fixes PR17377.
llvm-svn: 191508
2013-09-27 11:32:21 +00:00
439a904515
tsan: support allocator_may_return_null flag
...
Fixes https://code.google.com/p/thread-sanitizer/issues/detail?id=29
llvm-svn: 191482
2013-09-27 02:31:23 +00:00
e435f94b69
tsan: fix scanf interceptor
...
llvm-svn: 191445
2013-09-26 18:38:54 +00:00
8f27f6b549
[sanitizer] A bunch of libc interceptors.
...
sigwait
sigwaitinfo
sigtimedwait
sigemptyset
sigfillset
sigpending
sigprocmask
llvm-svn: 191374
2013-09-25 14:47:43 +00:00
4fc53e4c06
[Sanitizer] Don't include wordexp.h on Android
...
llvm-svn: 191358
2013-09-25 07:41:46 +00:00
2761ee0409
[sanitizer] Intercept wordexp.
...
llvm-svn: 191305
2013-09-24 14:38:22 +00:00
ae49e8c34a
[ASan] Fix GCD tests by spinning forever in the main thread.
...
Since the error is always reported by one of the GCD workers, this will help avoid premature program termination with exit code 0.
llvm-svn: 191294
2013-09-24 12:42:25 +00:00
46901f613b
[msan] Test for atomic handling in MSan.
...
llvm-svn: 191288
2013-09-24 11:21:16 +00:00
01ff028814
[asan] remove -fsanitize=use-after-return from the tests (this flag now comes with asan by default)
...
llvm-svn: 191204
2013-09-23 14:34:06 +00:00
ce72b2c20b
[msan] Fix a WTF in r191196.
...
llvm-svn: 191197
2013-09-23 13:34:26 +00:00
f497bfee76
[msan] Allow nested symbolizer and loader scopes.
...
llvm-svn: 191196
2013-09-23 13:26:31 +00:00
7f92aa687a
[ASan/Win] Slightly optimize the DLL thunk
...
llvm-svn: 191190
2013-09-23 11:40:58 +00:00
e2b207cfd2
[ASan] Fix a compile-time warning
...
llvm-svn: 191189
2013-09-23 11:19:43 +00:00
d6c93c7b4d
[ASan] Add DLL thunks for the new stack UAR interface
...
llvm-svn: 191188
2013-09-23 11:05:41 +00:00
Sergey Matveev