Commit Graph

2895 Commits

Author SHA1 Message Date
Sergey Matveev 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
Sergey Matveev 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
Alexey Samsonov 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
Alexey Samsonov 12f5e639d6 [TSan] Add ValgrindSlowdown to the list of exported symbols
llvm-svn: 191952
2013-10-04 13:12:05 +00:00
Dmitry Vyukov 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
Alexey Samsonov 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
Dmitry Vyukov 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
Dmitry Vyukov 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
Dmitry Vyukov 19a1302046 asan/msan: fix "unused function 'OnExit'" warning
llvm-svn: 191904
2013-10-03 15:43:59 +00:00
Dmitry Vyukov fdfb2ade8f asan/msan/tsan: move _exit interceptor to common interceptors
llvm-svn: 191903
2013-10-03 15:22:29 +00:00
Dmitry Vyukov bfe7bb7034 tsan: include lsan into presubmit check
llvm-svn: 191902
2013-10-03 14:56:08 +00:00
Dmitry Vyukov 83ebd022d7 tsan: fix false positive in localtime()
llvm-svn: 191899
2013-10-03 14:12:09 +00:00
Dmitry Vyukov e07dc7d1fe tsan: intercept _exit so that we can override exit status
llvm-svn: 191898
2013-10-03 14:00:46 +00:00
Dmitry Vyukov 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
Evgeniy Stepanov 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
Evgeniy Stepanov c907a60ffb [sanitizer] Fix localtime and gmtime interceptors to clean tm->tm_zone.
llvm-svn: 191827
2013-10-02 14:30:03 +00:00
Dmitry Vyukov 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
Dmitry Vyukov af335eddfe msan: fix compiler warnings about unused variables
llvm-svn: 191821
2013-10-02 14:02:08 +00:00
Dmitry Vyukov 8358c41477 tsan: use ninja instead of make (faster and less output)
llvm-svn: 191819
2013-10-02 12:57:43 +00:00
Nick Lewycky f60d8ae155 This fixme is resolved, fix the test.
llvm-svn: 191810
2013-10-02 05:05:28 +00:00
Nick Lewycky b7aa592c19 Make the InvalidValueData take a SourceLocation.
llvm-svn: 191807
2013-10-02 02:29:47 +00:00
Alexey Samsonov 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
Alexey Samsonov 3b54a83d26 [LSan] Rework r191522 - treat allocations with short stack traces as live
llvm-svn: 191662
2013-09-30 10:57:56 +00:00
Alexey Samsonov f56ddf7fd1 [LSan] Don't report leaks with single-frame stack traces
llvm-svn: 191522
2013-09-27 13:54:20 +00:00
Evgeniy Stepanov 01781722b6 [sanitizer] Intercept backtrace, backtrace_symbols.
llvm-svn: 191516
2013-09-27 12:40:23 +00:00
Kostya Serebryany 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
Evgeniy Stepanov 022235cf04 [msan] Unpoison argument shadow for C++ module destructors.
Fixes PR17377.

llvm-svn: 191508
2013-09-27 11:32:21 +00:00
Dmitry Vyukov 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
Dmitry Vyukov e435f94b69 tsan: fix scanf interceptor
llvm-svn: 191445
2013-09-26 18:38:54 +00:00
Evgeniy Stepanov 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
Alexey Samsonov 4fc53e4c06 [Sanitizer] Don't include wordexp.h on Android
llvm-svn: 191358
2013-09-25 07:41:46 +00:00
Evgeniy Stepanov 2761ee0409 [sanitizer] Intercept wordexp.
llvm-svn: 191305
2013-09-24 14:38:22 +00:00
Alexander Potapenko 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
Evgeniy Stepanov 46901f613b [msan] Test for atomic handling in MSan.
llvm-svn: 191288
2013-09-24 11:21:16 +00:00
Kostya Serebryany 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
Evgeniy Stepanov ce72b2c20b [msan] Fix a WTF in r191196.
llvm-svn: 191197
2013-09-23 13:34:26 +00:00
Evgeniy Stepanov f497bfee76 [msan] Allow nested symbolizer and loader scopes.
llvm-svn: 191196
2013-09-23 13:26:31 +00:00
Timur Iskhodzhanov 7f92aa687a [ASan/Win] Slightly optimize the DLL thunk
llvm-svn: 191190
2013-09-23 11:40:58 +00:00
Timur Iskhodzhanov e2b207cfd2 [ASan] Fix a compile-time warning
llvm-svn: 191189
2013-09-23 11:19:43 +00:00
Timur Iskhodzhanov d6c93c7b4d [ASan] Add DLL thunks for the new stack UAR interface
llvm-svn: 191188
2013-09-23 11:05:41 +00:00
Alexander Potapenko 92b566b0e4 [ASan] Fix the interface test on Darwin.
llvm-svn: 191187
2013-09-23 10:38:23 +00:00
Kostya Serebryany b997c543fc [asan] disable the detect_stack_use_after_return run-time flag by default and enable it explicitly in tests. This is done in preparation to enabling the -fsanitize=use-after-return compile-time flag by default when -fsanitize=address is present.
llvm-svn: 191184
2013-09-23 08:58:14 +00:00
Dmitry Vyukov 2ea2d9cb29 tsan: remove unneeded ___chkstk_ms function from Go runtime
llvm-svn: 191161
2013-09-22 02:49:56 +00:00
Dmitry Vyukov a2c6e1e80f tsan: allow symbolization of non-native PCs, e.g. coming from JIT/JAVA/etc
llvm-svn: 191157
2013-09-22 00:14:57 +00:00
Dmitry Vyukov 76ec1910ac tsan: ignore malloc/free/strdup when called from libjvm
llvm-svn: 191153
2013-09-21 23:44:19 +00:00
Dmitry Vyukov 150406bbf3 tsan: ignore all interceptors coming directly from JVM
llvm-svn: 191152
2013-09-21 23:06:00 +00:00
Dmitry Vyukov 017015c9ed tsan: improve diagnostics for incorrect usages of mutexes
llvm-svn: 191151
2013-09-21 22:43:27 +00:00
Dmitry Vyukov 4e9c091dd7 tsan: allow to obtain code range for a particular module
this is required to ignore interceptors when called from the module

llvm-svn: 191149
2013-09-21 21:41:08 +00:00
Dmitry Vyukov 1da6b4d5c8 tsan: intercept fork syscall
llvm-svn: 191144
2013-09-21 20:59:04 +00:00
Dmitry Vyukov 3d15bcca1d tsan: do not try to use builtin atomic operations
see the comment in code

llvm-svn: 191132
2013-09-21 04:59:02 +00:00