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833 Commits

Author SHA1 Message Date
Evgeniy Stepanov 251080b0eb [sanitizer] Fix build when scanf interceptors are enabled, and __isoc99_*scanf are not. 
Fixes PR16916.

llvm-svn: 189015
 2013-08-22 13:59:15 +00:00
Chandler Carruth 6b8d17bf35 It appears that glibc 2.13 has the same thread descriptor size as 2.11, 
bump up the inflection point to 2.14. If someone can tell me how to
actually figure out value for this, that would be awesome.

Anyways, this takes me to one ASan failure, one LSan failure, and three
TSan failures for 'check-all' on Linux.

llvm-svn: 188635
 2013-08-18 10:04:51 +00:00
Chandler Carruth 022a3d4e88 Revert r188369 (and r188455) which breaks the build on at least some 
Linux systems. I've replied on the original commit thread with details
of the problem.

llvm-svn: 188628
 2013-08-18 08:47:06 +00:00
Timur Iskhodzhanov 10286e1e59 [ASan/RTL] Disable colored reporting on Windows 
llvm-svn: 188545
 2013-08-16 11:26:26 +00:00
Evgeniy Stepanov a1d44d4d8f [sanitizer] Add missing include. 
llvm-svn: 188455
 2013-08-15 10:20:30 +00:00
Evgeniy Stepanov 0bb7577d89 [sanitizer] Split platform_limits_posix into system- and kernel-dependent parts. 
This change moves everything depending on kernel headers (mostly ioctl types
and ids) into a separate source file. This will reduce the possibility of
header conflict on various platforms (most importantly, older glibc versions).

This change also removes 2 deprecated ioctls, and symbolic ids for other bunch
of ambiguous ioctls (i.e. same id is shared by ioctls with different memory
behavior).

llvm-svn: 188369
 2013-08-14 13:34:14 +00:00
Timur Iskhodzhanov dd052cedf8 Add a FIXME to check_lint 
llvm-svn: 188266
 2013-08-13 13:44:02 +00:00
Timur Iskhodzhanov 82a6647755 [*San/RTL] One more minor fix 
llvm-svn: 188263
 2013-08-13 12:16:43 +00:00
Timur Iskhodzhanov 45e82d12b0 [*San/RTL] Fix minor breakage 
Grumbling: this hasn't been caught by running 'make check-{a,l,t}san check-sanitizer'
llvm-svn: 188262
 2013-08-13 12:03:51 +00:00
Timur Iskhodzhanov eee13914e2 Define SANITIZER_INTERFACE_ATTRIBUTE on Windows and fix all the places where SANITIZER_INTERFACE_ATTRIBUTE or SANITIZER_ATTRIBUTE_WEAK are used 
llvm-svn: 188261
 2013-08-13 11:42:45 +00:00
Evgeniy Stepanov 64cace0687 [sanitizer] Intercept poll/ppoll. 
llvm-svn: 188177
 2013-08-12 13:19:53 +00:00
Evgeniy Stepanov 98c39a184e [sanitizer] Intercept getgroups. 
llvm-svn: 188167
 2013-08-12 11:01:40 +00:00
Daniel Dunbar bc5dbc435e [tests] Update to use lit_config and lit package, as appropriate. 
llvm-svn: 188116
 2013-08-09 22:14:01 +00:00
Evgeniy Stepanov 7f915cf8a5 [sanitizer] Fix handling of %n in scanf interceptor. 
%n does not increase the input item count. The new code emits writes to %n
arguments even if it has run out of input items.

llvm-svn: 188069
 2013-08-09 12:58:35 +00:00
Evgeniy Stepanov 3bf5439a9d [sanitizer] Limit scandir interceptor to Linux. 
Implementation uses __thread not available on certain platforms.

llvm-svn: 187983
 2013-08-08 14:04:36 +00:00
Evgeniy Stepanov 564215d949 [sanitizer] Intercept scandir/scandir64. 
llvm-svn: 187982
 2013-08-08 13:57:15 +00:00
Dmitry Vyukov 87bf47894c tsan: better diagnostics for invalid addresses passed to free() 
llvm-svn: 187980
 2013-08-08 13:47:50 +00:00
Evgeniy Stepanov 233455cba8 [sanitizer] Intercept strerror and strerror_r. 
llvm-svn: 187978
 2013-08-08 11:44:05 +00:00
Evgeniy Stepanov 04b7bff1fe [sanitizer] Intercept sched_getaffinity. 
Re-applying with a more reliable test case.

llvm-svn: 187876
 2013-08-07 09:10:16 +00:00
David Blaikie 787e2b6499 Revert "[sanitizer] Intercept sched_getaffinity." 
This reverts commit r187788.

The test case is unreliable (as the test may be run in a situation in
which it has no affinity with cpu0). This can be recommitted with a more
reliable test - possibly using CPU_COUNT != 0 instead (I wasn't entirely
sure that a process was guaranteed to have at least one affinity, though
it seems reasonable, or I'd have made the change myself).

llvm-svn: 187841
 2013-08-07 00:37:26 +00:00
Alexander Potapenko 8c6cd93123 [libsanitizer] Drive-by fix for -Wempty-body in sanitizer_common_syscalls.inc 
This makes the file consistently use { } around the if statements containing the PRE_/POST_ macros.

llvm-svn: 187797
 2013-08-06 14:07:46 +00:00
Evgeniy Stepanov 03c0281a17 [sanitizer] Fix NULL arg handling in setitimer/getitimer interceptors. 
llvm-svn: 187789
 2013-08-06 09:54:33 +00:00
Evgeniy Stepanov 9f05e5e533 [sanitizer] Intercept sched_getaffinity. 
llvm-svn: 187788
 2013-08-06 09:29:01 +00:00
Alexey Samsonov b42ea7ef21 Lint fixes 
llvm-svn: 187726
 2013-08-05 13:20:39 +00:00
Evgeniy Stepanov 44b77c26e4 [msan] Allocator statistics interface and malloc hooks. 
llvm-svn: 187653
 2013-08-02 14:26:58 +00:00
Sergey Matveev 6459a370a7 [lsan] Add leak_check_at_exit flag. 
We needed a way to tell LSan to invoke leak checking only if __do_leak_check()
is called explicitly. This can now be achieved by setting
leak_check_at_exit=false.

llvm-svn: 187578
 2013-08-01 14:57:07 +00:00
Evgeniy Stepanov 3feb17c452 [sanitizer] Tweak read syscall handler signature for consistency. 
llvm-svn: 187417
 2013-07-30 13:16:52 +00:00
Evgeniy Stepanov 9fbd981f99 [sanitizer] read() syscall hook. 
llvm-svn: 187414
 2013-07-30 13:04:43 +00:00
Evgeniy Stepanov da9fd25603 [msan] Intercept confstr. 
llvm-svn: 187412
 2013-07-30 12:46:59 +00:00
Evgeniy Stepanov f3e218a021 [asan] Raise thread stack size limit. 
It's a sanity check, mostly, and we've seen threads with >256Mb stack.

llvm-svn: 187408
 2013-07-30 09:01:18 +00:00
Evgeniy Stepanov 573ba3499e [sanitizer] Disable ForEachMappedRegion on Android. 
It needs interface that is missing from the NDK, and it is not used on Android anyway.

llvm-svn: 187407
 2013-07-30 08:39:16 +00:00
Peter Collingbourne e572e17a8e Fix warning. 
llvm-svn: 187373
 2013-07-29 20:13:41 +00:00
Peter Collingbourne 9058c07c95 Move UnpoisonMappedDSO to sanitizer_common. 
This is so DFSan will be able to use it.

Differential Revision: http://llvm-reviews.chandlerc.com/D1206

llvm-svn: 187372
 2013-07-29 19:09:49 +00:00
Sergey Matveev 540338259d [sanitizer] Change strip_path_prefix flag behavior. 
Previously (in tools other than TSan) the entire prefix of the path had to mach
the argument. With this change, only some suffix of the prefix has to match.
This is the same way this flag works in TSan.

llvm-svn: 186837
 2013-07-22 16:14:38 +00:00
Sergey Matveev 9c012165ad [lsan] Make __lsan_do_leak_check() honor the detect_leaks flag. 
Also move detect_leaks to common flags.

llvm-svn: 186821
 2013-07-22 12:38:17 +00:00
Alexey Samsonov 3122deb65c [Sanitizer] Always provide --default-arch argument to llvm-symbolizer 
llvm-svn: 186513
 2013-07-17 15:02:43 +00:00
Dmitry Vyukov 46cbc2ed50 tsan: fix unitialized read warning under newer gcc (it does not have visibility into asm) 
llvm-svn: 186495
 2013-07-17 06:56:47 +00:00
Dmitry Vyukov d4060fd281 tsan: extend suppressions format with ^ and $ symbols 
not it's possible to write more precise suppressions,
e.g. "^foo$" won't match "blafoobar"

llvm-svn: 186424
 2013-07-16 16:44:15 +00:00
Alexey Samsonov 9916aa2d95 [Sanitizer] move strcpy and strncpy to common interceptors 
llvm-svn: 186408
 2013-07-16 12:51:53 +00:00
Alexey Samsonov eb7973246f [ASan] Bump min supported Mac OS X version to 10.6 
llvm-svn: 186404
 2013-07-16 11:54:40 +00:00
Timur Iskhodzhanov 4245f78fdd [ASan] Use less shadow on Win 32-bit 
llvm-svn: 186393
 2013-07-16 09:47:39 +00:00
Timur Iskhodzhanov d7eb67774e Fix check_lint warnings in sanitizers' runtime libraries 
llvm-svn: 186328
 2013-07-15 16:11:39 +00:00
Alexey Samsonov 0048a248bd Completely revert all mbstowcs-and-friends changes from r186109. They were unintentional 
llvm-svn: 186158
 2013-07-12 12:33:23 +00:00
Alexey Samsonov fde429ba69 [Sanitizer] Revert some parts of r186109 related to mbstowcs-and-friends interceptors 
llvm-svn: 186155
 2013-07-12 11:59:58 +00:00
Chandler Carruth 1a48dc5ed6 Fix a veritable conucopia of bugs in the readdir_r interceptors. 
First, the reason I came here: I forgot to look at readdir64_r which had
the exact same bug as readdir_r. However, upon applying the same
quick-fix and testing it I discovered that it still didn't work at all.
As a consequence, I spent some time studying the code and thinking about
it and fixed several other problems.

Second, the code was checking for a null entry and result pointer, but
there is no indication that null pointers are viable here. Certainly,
the spec makes it extremely clear that there is no non-error case where
the implementation of readdir_r fails to dereference the 'result'
pointer and store NULL to it. Thus, our checking for a non-null 'result'
pointer before reflecting that write in the instrumentation was
trivially dead. Remove it.

Third, the interceptor was marking the write to the actual dirent struct
by looking at the entry pointer, but nothing in the spec requires that
the dirent struct written is actually written into the entry structure
provided. A threadlocal buffer would be just as conforming, and the spec
goes out of its way to say the pointer to the *actual* result dirent
struct is stored into *result, so *that* is where the interceptor should
reflect a write occuring. This also obviates the need to even consider
whether the 'entry' parameter is null.

Fourth, I got to the bottom of why nothing at all worked in readdir64_r
-- the interceptor structure for dirent64 was completely wrong in that
it was the same as dirent. I fixed this struct to be correct (64-bit
inode and 64-bit offset! just a 64-bit offset isn't enough!) and added
several missing tests for the size and layout of this struct.

llvm-svn: 186109
 2013-07-11 18:51:40 +00:00
Sergey Matveev 29e787d456 [sanitizer] Remove optional arguments from clone() invocation. 
Unbreaks compilation on older systems. Patch by Andy Jost.

llvm-svn: 186103
 2013-07-11 16:37:44 +00:00
Evgeniy Stepanov 9240838655 [sanitizer] More checks in mbstowcs-like interceptors. 
llvm-svn: 186004
 2013-07-10 14:17:46 +00:00
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
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 f7f252d025 [sanitizer] Syscall handlers for clock_gettime and clock_getres. 
llvm-svn: 185913
 2013-07-09 08:54:59 +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
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
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 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
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
Sergey Matveev 6b5a492091 [sanitizer] Use the correct macro to check glibc version. 
llvm-svn: 185324
 2013-07-01 10:15:29 +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
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
Sergey Matveev 9450108430 [sanitizer] Support padding with spaces in Printf. 
llvm-svn: 185082
 2013-06-27 15:30:44 +00:00
Evgeniy Stepanov 815d3232a7 [sanitizer] Fix dirent interceptors. 
The new version reads d_reclen for (struct dirent) size.

llvm-svn: 185067
 2013-06-27 09:37:27 +00:00
Sergey Matveev d109eb052b [tsan] Move some suppressions-related code to common. 
Factor out code to be reused in LSan. Also switch from linked list to vector.

llvm-svn: 184957
 2013-06-26 15:37:14 +00:00
Evgeniy Stepanov 06d6c25141 [sanitizer] readdir and readdir_r interceptors. 
llvm-svn: 184950
 2013-06-26 15:00:53 +00:00
Evgeniy Stepanov b598c0b527 [sanitizer] Reformat line >80 chars. 
llvm-svn: 184926
 2013-06-26 09:16:45 +00:00
Evgeniy Stepanov 2c7d4d379e [sanitizer] Fix build with OSS4 kernel headers. 
This fixes PR16453.

llvm-svn: 184925
 2013-06-26 08:16:38 +00:00
Evgeniy Stepanov 982d56abb8 [sanitizer] Move log_path to common flag and use it in MSan. 
llvm-svn: 184836
 2013-06-25 13:50:44 +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
Sergey Matveev b8cd986b5d [lsan] Fix android build. 
llvm-svn: 184704
 2013-06-24 09:12:11 +00:00
Sergey Matveev 4e0215a71c Revert to C-style callbacks for iteration over allocator chunks. 
Also clean up LSan code, fix some comments and replace void* with uptr
to bring down the number of reinterpret_casts.

llvm-svn: 184700
 2013-06-24 08:34:50 +00:00
Evgeniy Stepanov 57a40e5a94 [santizer] Disable several EVIOxxx ioctls on older kernels. 
llvm-svn: 184539
 2013-06-21 10:54:57 +00:00
Evgeniy Stepanov 673cf23d06 Fix unused function warning w/o changing compiler flags. 
We have way too many different build systems.

llvm-svn: 184409
 2013-06-20 09:45:36 +00:00
Evgeniy Stepanov 3ce228faf3 [sanitizer] Fix Mac build. 
llvm-svn: 184407
 2013-06-20 09:39:34 +00:00
Evgeniy Stepanov d271563e5a Remove an outdated comment. 
llvm-svn: 184406
 2013-06-20 09:21:25 +00:00
Evgeniy Stepanov fbea5b95c6 [sanitizer] Handle EVIOxxxx ioctls. 
llvm-svn: 184405
 2013-06-20 09:19:28 +00:00
Sergey Matveev 7014179ccb [lsan] Prevent inlining of WipeStack(). 
llvm-svn: 184312
 2013-06-19 15:39:13 +00:00
Sergey Matveev dac35c24c0 [lsan] Move symbolization and reporting out of StopTheWorld callback. 
llvm-svn: 184303
 2013-06-19 14:04:11 +00:00
Evgeniy Stepanov 49b4314cfd [sanitizer] Fix struct ifconf definition on Mac and restore the size checks. 
llvm-svn: 184296
 2013-06-19 13:21:38 +00:00
Evgeniy Stepanov 41060fd728 [sanitizer] Fix Android build. 
llvm-svn: 184293
 2013-06-19 10:36:31 +00:00
Evgeniy Stepanov f9cfe76526 [sanitizer] Fix build on RHEL 6.3, 6.4. 
linux/if_ppp.h is broken in certain kernels.

llvm-svn: 184290
 2013-06-19 08:55:28 +00:00
Kostya Serebryany 63d84f8149 [asan] fix a rare failure in fast unwinder, found by asan/clang bootstrap 
llvm-svn: 184190
 2013-06-18 14:47:40 +00:00
Evgeniy Stepanov 394b09b00f [sanitizer] Fix Android build. 
llvm-svn: 184187
 2013-06-18 13:56:12 +00:00
Evgeniy Stepanov fc3f61fcf0 [sanitizer] Remove a set of deprecated ioctls. 
llvm-svn: 184185
 2013-06-18 10:37:17 +00:00