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2371 Commits

Author SHA1 Message Date
Evgeniy Stepanov 123fdb3413 [sanitizer] Fix handling of edge cases in mbstowcs-like interceptors. 
llvm-svn: 186002
 2013-07-10 14:01:51 +00:00
Chandler Carruth 28c1b294b8 Fix a bug in the readdir_r interceptor: when we reach the end of the 
directory stream, the entry is not written to, instead *result is set to
NULL and the entry is not written to at all.

I'm still somewhat suspicious of the correct instrumention here --
I feel like it should be marking the written range as the pointer in
*result and the length (*result)->d_reclen in case the implementation
decides not to use the passed-in entry (if that's even allowed).
Finally, the definition of 'struct dirent' analog used in the
interceptor is wrong in 32-bit mode with _FILE_OFFSET_BITS=64 as it hard
codes the use of a pointer-sized offset.

I've added a somewhat goofy test for the bug I fixed via ASan --
suggestions on how to better test the interceptor logic itself welcome.

llvm-svn: 185998
 2013-07-10 09:50:29 +00:00
Peter Collingbourne 2c60538ddd [asan] Update blacklists to use categories. 
Differential Revision: http://llvm-reviews.chandlerc.com/D1094

llvm-svn: 185980
 2013-07-09 22:04:28 +00:00
Evgeniy Stepanov 7160fb6511 [sanitizer] Update glob64 interceptor to handle GLOB_ALTDIRFUNC as well. 
llvm-svn: 185935
 2013-07-09 12:34:25 +00:00
Evgeniy Stepanov faba61a7bc [sanitizer] Support GLOB_ALTDIRFUNC in glob interceptor. 
llvm-svn: 185932
 2013-07-09 12:07:59 +00:00
Evgeniy Stepanov 77ef78a0a5 [sanitizer] Intercept realpath and canonicalize_file_name. 
Handle realpath(path, NULL) form.

llvm-svn: 185921
 2013-07-09 09:53:37 +00:00
Evgeniy Stepanov f60c75a644 [sanitizer] Wrap lines >80 chars. 
llvm-svn: 185920
 2013-07-09 09:47:36 +00:00
Evgeniy Stepanov 8495b84076 [asan] Fix windows build. 
llvm-svn: 185917
 2013-07-09 09:29:19 +00:00
Evgeniy Stepanov f7f252d025 [sanitizer] Syscall handlers for clock_gettime and clock_getres. 
llvm-svn: 185913
 2013-07-09 08:54:59 +00:00
Sergey Matveev ddd7b6a1c8 [lsan] Fix test. 
llvm-svn: 185817
 2013-07-08 14:08:05 +00:00
Sergey Matveev bdeff959a1 [lsan] Handle fork() correctly. 
Update the main thread's os_id on every pthread_create, and before
initiating leak checking. This ensures that we have the correct os_id even if we
have forked after Init().

llvm-svn: 185815
 2013-07-08 12:57:24 +00:00
Alexey Samsonov 852d8a4c18 [LSan] Use overridable hook to report error summary 
llvm-svn: 185805
 2013-07-08 10:59:52 +00:00
Evgeniy Stepanov c2e3ba9eed [sanitizer] Fix mac build. 
llvm-svn: 185706
 2013-07-05 15:04:56 +00:00
Evgeniy Stepanov 628d727749 [msan] Intercept pthread_key_create. 
llvm-svn: 185693
 2013-07-05 12:31:07 +00:00
Evgeniy Stepanov 0d1d35aeba [sanitizer] Disable ptrace interception on non-x86(_64). 
Patch by Hal Finkel.

llvm-svn: 185686
 2013-07-05 08:57:47 +00:00
Alexander Potapenko 4f73dea69d [ASan] Close stderr before launching atos in asan_symbolize.py 
llvm-svn: 185631
 2013-07-04 14:21:49 +00:00
Evgeniy Stepanov 717e0cd2a7 [sanitizer] Intercept tcgetattr. 
llvm-svn: 185626
 2013-07-04 14:03:31 +00:00
Evgeniy Stepanov db615c186f [sanitizer] More interceptors. 
bcopy
strtoimax, strtoumax
mbstowcs, mbsrtowcs, mbsnrtowcs
wcstombs, wcsrtombs, wcsnrtombs

llvm-svn: 185624
 2013-07-04 13:19:41 +00:00
Alexander Potapenko d0c91acb58 [ASan] Do not protect the malloc zone created by malloc_zone_create() on Snow Leopard and earlier systems. 
Fixes https://code.google.com/p/address-sanitizer/issues/detail?id=208

llvm-svn: 185621
 2013-07-04 10:16:12 +00:00
Sergey Matveev 22614e5e3f [sanitizer] Fix memory leak in sanitizer_common discovered by LeakSanitizer. 
llvm-svn: 185536
 2013-07-03 13:45:13 +00:00
Evgeniy Stepanov 1bd0fe447f [sanitizer] Fix Android build. 
llvm-svn: 185432
 2013-07-02 14:51:31 +00:00
Evgeniy Stepanov aa23bd83e5 [msan] Intercept mempcpy, wmempcpy. 
llvm-svn: 185431
 2013-07-02 14:49:24 +00:00
Evgeniy Stepanov 69a387e6ae [sanitizer] Fix GLOB_NOMATCH behaviour and refactor the interceptor a bit. 
llvm-svn: 185428
 2013-07-02 14:08:52 +00:00
Evgeniy Stepanov 165d759a6a [sanitizer] Intercept mbtowc, mbrtowc, get_current_dir_name. 
Move getcwd to common interceptors.

llvm-svn: 185424
 2013-07-02 13:34:44 +00:00
Evgeniy Stepanov 1df4dfe87a [sanitizer] Intercept setlocale. 
llvm-svn: 185416
 2013-07-02 09:23:45 +00:00
Alexey Samsonov 4798a08df8 [ASan] try to fix Windows build 
llvm-svn: 185345
 2013-07-01 16:38:38 +00:00
Alexey Samsonov 9857ca2564 [ASan] Properly disable strict init-order checking when pthread_create is called 
llvm-svn: 185342
 2013-07-01 16:16:41 +00:00
Evgeniy Stepanov 654688bed5 [msan] Intercept stpcpy. 
llvm-svn: 185340
 2013-07-01 15:19:37 +00:00
Evgeniy Stepanov 8a4e24ea8b [sanitizer] Intercept getnameinfo. 
llvm-svn: 185338
 2013-07-01 13:51:31 +00:00
Alexey Samsonov 7a1ad5e605 Change __sanitizer_symbolize_demangle hook return type to 'int' 
llvm-svn: 185326
 2013-07-01 11:20:56 +00:00
Alexander Potapenko 0fde89f2aa [ASan] Cache atos processes to make Darwin symbolication faster. 
Patch by Jesse Ruderman<jruderman@gmail.com>

llvm-svn: 185325
 2013-07-01 10:51:31 +00:00
Sergey Matveev 6b5a492091 [sanitizer] Use the correct macro to check glibc version. 
llvm-svn: 185324
 2013-07-01 10:15:29 +00:00
Alexey Samsonov c3832f7788 [ASan] Add sanity test for asan_symbolize.py script 
llvm-svn: 185318
 2013-07-01 09:15:19 +00:00
Evgeniy Stepanov d6e856f722 [sanitizer] Fix build with older kernels. 
PTRACE_SETREGSET & PTRACE_GETREGSET may be missing from linux headers.

llvm-svn: 185317
 2013-07-01 09:10:34 +00:00
Alexey Samsonov cc510707af [ASan] Remove leading underscores from function names in output tests 
llvm-svn: 185315
 2013-07-01 08:41:45 +00:00
Alexey Samsonov 8918140809 Hide mlock/munlock info message under verbosity flag. 
llvm-svn: 185314
 2013-07-01 08:25:29 +00:00
Alexey Samsonov e71f37c1cd Define the path to llvm-symbolizer tool in a common config to reduce copy-paste 
llvm-svn: 185286
 2013-06-30 14:47:38 +00:00
Richard Smith 079fe209f5 Fix typo found by Clang fix for extern "C" function handling. 
llvm-svn: 185234
 2013-06-28 22:28:37 +00:00
Alexey Samsonov 13f89cd19b [ASan] Remove %symbolize from lit tests: we now use external symbolizer instead of python script 
llvm-svn: 185163
 2013-06-28 15:52:44 +00:00
Sergey Matveev 202881d1fe [lsan] Fix build again. 
llvm-svn: 185157
 2013-06-28 15:23:15 +00:00
Sergey Matveev b3fa575f7b [lsan] Fix build. 
llvm-svn: 185156
 2013-06-28 15:18:06 +00:00
Sergey Matveev 6672004c47 [lsan] When verbosity > 1, always print suppressions and summary (even if no leaks found). 
Also fix an output bug.

llvm-svn: 185153
 2013-06-28 15:05:16 +00:00
Sergey Matveev 2b19ee3da8 [lsan] Add suppression support. 
llvm-svn: 185152
 2013-06-28 14:38:31 +00:00
Evgeniy Stepanov a127039258 [sanitizer] Disable all ptrace-related definitions on Android. 
llvm-svn: 185150
 2013-06-28 14:18:10 +00:00
Alexey Samsonov 002d764f21 [ASan] Migrate lit tests to external symbolizer from asan_symbolize.py script 
llvm-svn: 185148
 2013-06-28 12:50:12 +00:00
Alexey Samsonov 6a5b0758ec Demangle names using pluggable internal symbolizer if possible 
llvm-svn: 185146
 2013-06-28 12:30:24 +00:00
Evgeniy Stepanov 4aef0ee57d [sanitizer] Fix an unfortunate typo and disable ptrace interception on Android. 
llvm-svn: 185145
 2013-06-28 12:16:03 +00:00
Alexey Samsonov 28e68f9f2f Pass --default-arch flag to external symbolizer. Fix line lengths. 
llvm-svn: 185144
 2013-06-28 12:13:31 +00:00
Evgeniy Stepanov dec0f76c14 [sanitizer] Intercept ptrace. 
llvm-svn: 185142
 2013-06-28 11:02:43 +00:00
Alexander Potapenko 2b064a2b4e [ASan][OSX] Make sure the zones created by malloc_create_zone() are write-protected. 
Add a test.

llvm-svn: 185140
 2013-06-28 10:01:09 +00:00