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68 Commits

Author SHA1 Message Date
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
Evgeniy Stepanov aa23bd83e5 [msan] Intercept mempcpy, wmempcpy. 
llvm-svn: 185431
 2013-07-02 14:49:24 +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 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
Evgeniy Stepanov f5cae53057 [msan] Optionally disable 2 tests (dlopen & gethostbyname). 
llvm-svn: 185076
 2013-06-27 13:21:00 +00:00
Evgeniy Stepanov 06d6c25141 [sanitizer] readdir and readdir_r interceptors. 
llvm-svn: 184950
 2013-06-26 15:00:53 +00:00
Evgeniy Stepanov 60d964d4f2 [sanitizer] Intercept sysinfo. 
llvm-svn: 184739
 2013-06-24 14:25:33 +00:00
Evgeniy Stepanov 02a7460d12 [sanitizer] Intercept inet_aton. 
llvm-svn: 184735
 2013-06-24 13:56:14 +00:00
Evgeniy Stepanov 0e8053af08 [sanitizer] Intercept readv, preadv, writev, pwritev. 
llvm-svn: 184717
 2013-06-24 10:43:23 +00:00
Evgeniy Stepanov b58b72e151 [msan] Intercept (v)asprintf. 
llvm-svn: 184545
 2013-06-21 13:32:26 +00:00
Alexey Samsonov dd489a4e15 [MSan] don't add msan unit tests to check-msan command if libcxx is not checked out 
llvm-svn: 183641
 2013-06-10 09:09:40 +00:00
Evgeniy Stepanov 53c8c13bf1 [msan] Implement __sanitizer_unaligned_*. 
llvm-svn: 183221
 2013-06-04 13:08:36 +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
Evgeniy Stepanov fc708db4c1 [sanitizer] Intercept getpeername. 
llvm-svn: 182844
 2013-05-29 11:49:25 +00:00
Evgeniy Stepanov f28217ad0e [sanitizer] modf/modff/modfl interceptors. 
llvm-svn: 182838
 2013-05-29 10:03:11 +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 b978627cb8 [sanitizer] Intercept getsockopt. 
llvm-svn: 182574
 2013-05-23 11:38:08 +00:00
Evgeniy Stepanov ab25369d04 [sanitizer] Interceptors for gethostbyname and friends. 
llvm-svn: 182573
 2013-05-23 11:10:23 +00:00
Evgeniy Stepanov 97aea34b54 [msan] Intercept getsockname. 
llvm-svn: 182475
 2013-05-22 13:46:22 +00:00
Evgeniy Stepanov 1d2f22825d [msan] Replace GetArgv hack with something that is slightly better. 
llvm-svn: 182359
 2013-05-21 08:56:22 +00:00
Evgeniy Stepanov 970be35808 [sanitizer] Intercept pthread_getschedparam. 
llvm-svn: 182353
 2013-05-21 08:12:08 +00:00
Evgeniy Stepanov ff6728f2f8 [msan] Unpoison dlpi_name in dl_iterate_phdr interceptor. 
llvm-svn: 182093
 2013-05-17 12:51:13 +00:00
Evgeniy Stepanov 87c6ec7cfe [msan] Intercept dl_iterate_phdr. 
llvm-svn: 182004
 2013-05-16 13:00:25 +00:00
Evgeniy Stepanov 44b75efab4 [sanitizer] Intercept inet_pton and inet_ntop. 
llvm-svn: 180107
 2013-04-23 14:05:15 +00:00
Evgeniy Stepanov 455abf4872 [msan] Unpoison the result of posix_memalign. 
llvm-svn: 180101
 2013-04-23 13:27:36 +00:00
Evgeniy Stepanov 3076ba0a08 [sanitizer] Intercept getgrnam{_r}, getgrgid{_r}. 
llvm-svn: 180091
 2013-04-23 12:01:20 +00:00
Evgeniy Stepanov 0cd7cf8217 [msan] Allow clock_getres(, 0). 
llvm-svn: 180090
 2013-04-23 11:48:31 +00:00
Evgeniy Stepanov d1dae90bf2 [msan] Fix gcc build of msan_test. 
llvm-svn: 179594
 2013-04-16 14:09:47 +00:00
Evgeniy Stepanov b0d786798c [msan] Fix sigaction test. 
Restore SIGPROF handler to the original state after the test.

llvm-svn: 179524
 2013-04-15 13:35:05 +00:00
Alexey Samsonov 1a345ad502 [MSan] don't build tests with -fPIE/-pie, as these flags are implied by -fsanitize=memory now 
llvm-svn: 179366
 2013-04-12 07:14:04 +00:00
Evgeniy Stepanov b4eac2f810 [msan] Interceptors for pipe2 and socketpair. 
llvm-svn: 179022
 2013-04-08 13:45:12 +00:00
Evgeniy Stepanov 7ba7207f1d [msan] Intercept time(). 
llvm-svn: 179002
 2013-04-08 08:25:22 +00:00
Evgeniy Stepanov e7a7a9b972 [msan] Fix sigaction interceptor. 
llvm-svn: 178868
 2013-04-05 12:58:07 +00:00
Evgeniy Stepanov 1f8b3538b4 [msan] Unpoison siginfo_t and ucontext_t in signal handlers. 
Add wrappers for all user signal handlers to unpoison the handler's arguments.

llvm-svn: 178754
 2013-04-04 08:22:52 +00:00
Evgeniy Stepanov f8213b4eb3 [sanitizer] More interceptors. 
getpwnam, getpwuid, getpwnam_r, getpwuid_r, clock_getres, clock_gettime,
clock_settime, getitimer, setitimer, sigaction (MSan).

llvm-svn: 178465
 2013-04-01 14:47:21 +00:00
Evgeniy Stepanov ecbf64648f [msan] Handle dlopen() failure in dlopen interceptor. 
llvm-svn: 177728
 2013-03-22 11:59:49 +00:00
Evgeniy Stepanov 93a842bd1f [msan] Move test main and gtest include to separate files. 
llvm-svn: 177718
 2013-03-22 09:01:26 +00:00
Evgeniy Stepanov bfe9df221d [msan] Place dlopen in an anon namespace. 
llvm-svn: 177716
 2013-03-22 08:49:36 +00:00
Evgeniy Stepanov b4a218db34 [sanitizer] Don't adjust the size of the user-allocated stack. 
Moved this code to sanitizer_common.

llvm-svn: 177383
 2013-03-19 09:30:52 +00:00
Evgeniy Stepanov c6bce93591 [msan] Intercept readdir64. 
llvm-svn: 177065
 2013-03-14 12:49:23 +00:00
Evgeniy Stepanov 4062a396c7 [msan] Fix a typo in test. 
llvm-svn: 177059
 2013-03-14 11:58:13 +00:00
Evgeniy Stepanov 231894a902 [sanitizer] Intercept frexp and friends. 
llvm-svn: 177056
 2013-03-14 11:34:39 +00:00
Evgeniy Stepanov ead6cf7c72 [msan] Intercept __strdup, strndup, __strndup. 
llvm-svn: 177052
 2013-03-14 11:10:36 +00:00
Evgeniy Stepanov 98f5ea0dba [msan] Increase stack size as required. 
Adjust stack size in pthread_attr_t when the app-requested size does not fit MSan TLS.

llvm-svn: 176939
 2013-03-13 09:01:40 +00:00
Reid Kleckner c9d382b5a4 [msan] intercept dlopen and clear shadow for it 
Summary:
The loader does not call mmap() through the PLT because it has to
bootstrap the process before libc is present.  Hooking dlopen() isn't
enough either because the loader runs module initializers before
returning, and they could run arbitrary msan instrumented code.

If msandr is present, then we can intercept the mmaps from dlopen at the
syscall layer and clear the shadow there.  If msandr is missing, we
clear the shadow after dlopen() and hope any initializers are trivial.

Reviewers: eugenis

CC: kcc, llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D509

llvm-svn: 176818
 2013-03-11 18:07:42 +00:00
Evgeniy Stepanov ea61d08185 [sanitizer] Add interceptors for localtime and friends. 
llvm-svn: 175499
 2013-02-19 09:19:16 +00:00
Evgeniy Stepanov e676f66fe3 [msan] Allow zero buf pointer in getcwd() interceptor. 
llvm-svn: 174970
 2013-02-12 14:36:22 +00:00
Evgeniy Stepanov 257274e754 [msan] Lit tests for MemorySanitizer. 
Build system setup for MSan lit tests (build with freshly-built clang, run,
check output) - a nearly exact copy from ASan.
First 2 lit tests for MSan.

llvm-svn: 174876
 2013-02-11 11:34:26 +00:00
Evgeniy Stepanov 358698279d [sanitizer] Further split private and public sanitizer headers. 
And make msan_interface.h C-compatible.

llvm-svn: 173928
 2013-01-30 13:12:08 +00:00