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2195 Commits

Author SHA1 Message Date
Sergey Matveev 3786ae5c54 [sanitizer] Fix kThreadDescriptorSize for glibc <= 2.11. 
Address issue reported by Greg Fitzgerald.

llvm-svn: 183098
 2013-06-03 10:20:23 +00:00
Alexander Potapenko 41cd6102e9 [ASan] Do not buffer stdin in asan_symbolize.py 
llvm-svn: 183006
 2013-05-31 14:55:06 +00:00
Sergey Matveev 1a566ced91 [lsan] Added a dummy unittest to suppress LIT warnings. 
llvm-svn: 183004
 2013-05-31 14:15:54 +00:00
Sergey Matveev 5494e0bec3 [lsan] Run the leak detection tests under both ASan and LSan. 
Change the LSan lit test logic. Now "check-lsan" tests the leak
checking functionality in both standalone LSan and ASan.

llvm-svn: 183000
 2013-05-31 13:13:55 +00:00
Evgeniy Stepanov 4717d2d494 [msan] Fix gcc build of msan runtime. 
llvm-svn: 182999
 2013-05-31 13:04:07 +00:00
Evgeniy Stepanov 96284becf4 [msan] Handle mixed track-origins and keep-going settings (compiler-rt part). 
Before this change, each module defined a weak_odr global __msan_track_origins
with a value of 1 if origin tracking is enabled, 0 if disabled. If there are
modules with different values, any of them may win. If 0 wins, and there is at
least one module with 1, the program will most likely crash.

With this change, __msan_track_origins is only emitted if origin tracking is
on. Then runtime library detects if there is at least one module with origin
tracking, and enables runtime support for it.

llvm-svn: 182996
 2013-05-31 12:04:08 +00:00
Sergey Matveev 53c24fe0e6 [sanitizer] Fix r182994 - update test. 
llvm-svn: 182995
 2013-05-31 11:33:21 +00:00
Sergey Matveev 69f11803ec [lsan] Use the fast version of GetBlockBegin for leak checking in LSan and ASan. 
llvm-svn: 182994
 2013-05-31 11:13:45 +00:00
Evgeniy Stepanov 1cf5ef5018 [sanitizer] Fix wrong size of addrinfo::ai_addrlen. 
Add compile time tests for sizes and offsets of all sanitizer-posix types.

llvm-svn: 182993
 2013-05-31 10:46:51 +00:00
Kostya Serebryany 3a7c6d689d [asan] workaround for the quemu bug in proc maps (http://code.google.com/p/address-sanitizer/issues/detail?id=160) 
llvm-svn: 182922
 2013-05-30 11:00:08 +00:00
Alexey Samsonov 2a6cc67225 Fix #if guards in sanitizer_common code 
llvm-svn: 182918
 2013-05-30 09:16:04 +00:00
Kostya Serebryany 831a1d7cec [sanitizer] introduce LargeMmapAllocator::GetBlockBeginFastSingleThreaded, required for LeakSanitizer to work faster. Also fix lint. 
llvm-svn: 182917
 2013-05-30 08:43:30 +00:00
Alexander Potapenko a8b41762e4 [ASan] Minor cleanup: remove a couple of unused variables. 
llvm-svn: 182915
 2013-05-30 07:30:07 +00:00
Timur Iskhodzhanov 013da5cb37 Replaced 'bool .* = 0;' with '... = false;' 
llvm-svn: 182868
 2013-05-29 17:26:25 +00:00
Sergey Matveev 6a0c722c23 [asan] Fix r182858. 
llvm-svn: 182862
 2013-05-29 15:31:52 +00:00
Sergey Matveev 4161813a50 [asan] Fix r182854: run the unpoison_tls test only on Linux. 
llvm-svn: 182858
 2013-05-29 14:37:04 +00:00
Timur Iskhodzhanov cc61eefd4b Fix MSVC W3 compiler warnings 
llvm-svn: 182857
 2013-05-29 14:11:44 +00:00
Sergey Matveev 09886cd17a [asan] Make ASan report the correct thread address ranges to LSan. 
This CL enables thread support in LSan when used on top of ASan.

llvm-svn: 182854
 2013-05-29 13:09:44 +00:00
Sergey Matveev 89bcec8117 [sanitizer] Change the way GetThreadStackAndTls() obtains the thread descriptor address. 
Instead of using arch_prctl(ARCH_GET_FS), read the address from the
tread descriptor itself. This lets us avoid sandboxing issues. Also,
GetThreadStackAndTls() can now be implemented on i386.

llvm-svn: 182853
 2013-05-29 13:07:42 +00:00
Evgeniy Stepanov 677003140c [sanitizer] Fix getaddrinfo interceptor to use the actual returned sockaddr size. 
llvm-svn: 182852
 2013-05-29 12:33:31 +00:00
Peter Collingbourne 112e5ba281 [nolibc] Unweak SymbolizerPrepareForSandboxing and move it to libc-independent part. 
Fixes the Go build.

Differential Revision: http://llvm-reviews.chandlerc.com/D877

llvm-svn: 182851
 2013-05-29 12:11:43 +00:00
Timur Iskhodzhanov 6ba477aa05 Fix MSVC warnings at the -W2 level 
llvm-svn: 182848
 2013-05-29 12:03:49 +00:00
Evgeniy Stepanov a4bf67e461 [sanitizer] Fix Mac build. 
llvm-svn: 182845
 2013-05-29 11:55:27 +00:00
Evgeniy Stepanov fc708db4c1 [sanitizer] Intercept getpeername. 
llvm-svn: 182844
 2013-05-29 11:49:25 +00:00
Evgeniy Stepanov a4d08c4e87 [sanitizer] Move TSan and MSan recvmsg interceptors to common. 
llvm-svn: 182843
 2013-05-29 11:30:00 +00:00
Dmitry Vyukov 2b997d2914 tsan: match "race" suppressions against "race on vptr" reports 
llvm-svn: 182842
 2013-05-29 11:23:54 +00:00
Peter Collingbourne 93aa8dfb78 [nolibc] Now that we have a custom allocator, remove dummy allocator 
definitions from test.

llvm-svn: 182841
 2013-05-29 10:52:59 +00:00
Alexey Samsonov 25ad5a6735 [sanitizer] Use raw check in internal allocator to prevent self-deadlocks. Try to fix Windows build. 
llvm-svn: 182840
 2013-05-29 10:41:53 +00:00
Sergey Matveev e615432313 [lsan] Convert the remaining LSan tests to output tests. 
llvm-svn: 182839
 2013-05-29 10:12:37 +00:00
Evgeniy Stepanov f28217ad0e [sanitizer] modf/modff/modfl interceptors. 
llvm-svn: 182838
 2013-05-29 10:03:11 +00:00
Alexey Samsonov 75289297af Exclude sanitizer_nolibc_test from TSan test run. Fix lint warnings 
llvm-svn: 182837
 2013-05-29 09:40:07 +00:00
Alexey Samsonov c30e2d6b3a Make InternalAlloc/InternalFree in sanitizer runtimes libc-free by switching to a custom allocator. 
llvm-svn: 182836
 2013-05-29 09:15:39 +00:00
Evgeniy Stepanov 08f662845d [sanitizer] Share TSan accept & accept4 interceptors with other sanitizers. 
llvm-svn: 182835
 2013-05-29 09:09:58 +00:00
Evgeniy Stepanov 40d7ed5d1e [sanitizer] Improve getaddrinfo interceptor. 
llvm-svn: 182775
 2013-05-28 14:34:37 +00:00
Evgeniy Stepanov dd0780f81c [msan] Change report header to be more alike to ASan and TSan. 
llvm-svn: 182774
 2013-05-28 14:27:30 +00:00
Peter Collingbourne a7887bf8be [nolibc] Add a test case for Linux/x86_64. 
Differential Revision: http://llvm-reviews.chandlerc.com/D873

llvm-svn: 182770
 2013-05-28 12:37:34 +00:00
Peter Collingbourne fb1a9f17e3 [nolibc] Make SymbolizerPrepareForSandboxing weak and optional. 
Differential Revision: http://llvm-reviews.chandlerc.com/D872

llvm-svn: 182765
 2013-05-28 11:05:05 +00:00
Peter Collingbourne 5b2669049a [nolibc] Make AddressInfo::Clear a weak function. 
llvm-svn: 182743
 2013-05-27 21:00:36 +00:00
Peter Collingbourne 123473d243 Use an address-of operator here to silence an MSVC warning. 
llvm-svn: 182740
 2013-05-27 16:02:19 +00:00
Sergey Matveev 39e8a6d87e [lsan] Begin converting LSan tests to output tests. 
In this CL all old tests are removed and one LIT test is added.

llvm-svn: 182730
 2013-05-27 11:41:46 +00:00
Sergey Matveev 9cda3df8bd [sanitizer] Move FindThreadByOSIdLocked from lsan to sanitizer_common. 
llvm-svn: 182728
 2013-05-27 10:35:51 +00:00
Alexey Samsonov 9c2bcf8c15 Improve support for compiler-rt tests in CMake build. 
Now compiler-rt tests run correctly if compiler-rt is checked out into
arbitrary directory (not necessarily projects/compiler-rt).
Patch by Greg Fitzgerald!

llvm-svn: 182726
 2013-05-27 09:35:24 +00:00
Nick Kledzik 23bbd617e4 <rdar://problem/12512722> Use arm divide instruction if available 
llvm-svn: 182665
 2013-05-24 19:38:11 +00:00
Sergey Matveev e45a0677a6 [lsan] Allow the ignored TLS range to be empty. 
llvm-svn: 182657
 2013-05-24 18:07:53 +00:00
Sergey Matveev 37dff38495 [lsan] Minor adjustments to LSan messages. 
llvm-svn: 182648
 2013-05-24 15:36:30 +00:00
Sergey Matveev c7715a228a [lsan] Prettify LSan reports and add a summary. 
llvm-svn: 182646
 2013-05-24 14:49:13 +00:00
Sergey Matveev bc880f3a54 [lsan] Add exitcode flag. Kill the process if leaks are found. 
llvm-svn: 182641
 2013-05-24 13:16:02 +00:00
Alexey Samsonov 646ec67e25 Disable init-order checking before destructors are run. 
We don't want to report initialization-order bugs when a destructor of a global
variable accesses dynamically initialized global from another
(not necessarily initialized) module. We do this by intercepting __cxa_atexit and
registrering our own callback that unpoisons shadow for all dynamically initialized
global variables.

llvm-svn: 182637
 2013-05-24 11:46:56 +00:00
Bill Wendling b7e7a38929 Don't override 'mode' and cleanup some variable names. 
llvm-svn: 182599
 2013-05-23 18:18:31 +00:00
Bill Wendling a600457cde Add 'mode' parameter when using 'O_CREAT'. Thanks to Evgeniy for pointing this out. 
llvm-svn: 182598
 2013-05-23 18:08:22 +00:00