56a784d2f6
[ASan] Change the ABI of __asan_before_dynamic_init function: now it takes pointer to private string with module name. This string serves as a unique module ID in ASan runtime. compiler-rt part
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llvm-svn: 178014
2013-03-26 13:06:12 +00:00
29310ba077
[libsanitizer] Fix the Win build.
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llvm-svn: 178012
2013-03-26 13:02:11 +00:00
79a6e189b0
[tsan] make memcpy_race.cc test immune to memcpy inlining
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llvm-svn: 178011
2013-03-26 12:42:18 +00:00
6f4b34bcf4
asan/tsan: move strcasecmp() interceptor to sanitizer_common
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llvm-svn: 178010
2013-03-26 12:40:23 +00:00
f3bc56bb6b
asan/tsan: change SANITIZER_GO to more general SANITIZER_SUPPORTS_WEAK_HOOKS
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llvm-svn: 178009
2013-03-26 12:07:04 +00:00
f8109dd0f8
[libsanitizer] Unmapping the old cache partially invalidates the memory layout, so add
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a flag to skip cache update for cases when that's unacceptable (e.g. lsan).
Patch by Sergey Matveev (earthdok@google.com )
llvm-svn: 178000
2013-03-26 10:34:37 +00:00
7ef76c1cd8
[Sanitizer] Disable atomic_test on Android, where it crashes Clang.
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llvm-svn: 177998
2013-03-26 08:55:38 +00:00
4d7efba66e
[tsan] add a test for aligned-vs-unaligned race (tsan's false negative)
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llvm-svn: 177996
2013-03-26 08:31:02 +00:00
88b2b45ec8
[asan] print thread number while reporting invalid-free and double-free; add tests; also add a test for use-after-poison
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llvm-svn: 177993
2013-03-26 08:01:37 +00:00
2dee3dd61c
Add a GetTid() implementation for Windows
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llvm-svn: 177927
2013-03-25 22:04:29 +00:00
6210e1f9ff
Add basic support for building profile compiler-rt library in CMake build on Darwin
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llvm-svn: 177870
2013-03-25 14:20:11 +00:00
961b636cf1
[ASan] Use dynamic symbol table when checking exported ASan runtime symbols
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llvm-svn: 177868
2013-03-25 13:47:53 +00:00
7886253fee
asan/tsan: add Printf/Report hook
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The hook can be overriden in frontend to print to e.g. a file.
llvm-svn: 177864
2013-03-25 12:58:09 +00:00
9328ba400a
[ASan] mark local function as static
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llvm-svn: 177862
2013-03-25 11:38:42 +00:00
acfb82e611
[Sanitizer] Compile sanitizer runtimes with -Wno-non-virtual-dtor. Virtual dtors may be a problem for us, as sanitizer runtime should not generally assume libstdc++ presence.
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llvm-svn: 177860
2013-03-25 10:31:49 +00:00
31a2c483ed
[TSan] Build TSan unit tests with the same compile flags as TSan runtime
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llvm-svn: 177859
2013-03-25 10:23:20 +00:00
4adf49d253
tsan: intercept setjmp/longjmp
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llvm-svn: 177858
2013-03-25 10:10:44 +00:00
510ad11800
tsan: add SetEnv() function that can be used in frontends
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llvm-svn: 177857
2013-03-25 09:56:45 +00:00
a208c397bf
[Sanitizer] First effort to implement atomic_compare_exchange for 1-byte vars on Windows
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llvm-svn: 177854
2013-03-25 09:23:30 +00:00
c6fd019c77
[Sanitizer] Add basic test for atomic_compare_exchange implementation
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llvm-svn: 177851
2013-03-25 08:48:16 +00:00
c91e327cba
Build and install .syms files alongside sanitizer runtimes. These are used to
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specify which symbols are exported to DSOs when the sanitizer is statically
linked into a binary.
llvm-svn: 177784
2013-03-23 00:31:07 +00:00
fb74020cea
Revert 177745 as it was incorrect
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llvm-svn: 177746
2013-03-22 18:16:57 +00:00
e117eef77f
Band-aid fix for the Windows build caused by r177710. Long-term, atomic_compare_exchange_strong should be a template on Windows too...
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llvm-svn: 177745
2013-03-22 18:05:28 +00:00
9af68719ed
tsan: return 0 on malloc() failure instead of crashing
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llvm-svn: 177741
2013-03-22 17:06:22 +00:00
ecbf64648f
[msan] Handle dlopen() failure in dlopen interceptor.
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llvm-svn: 177728
2013-03-22 11:59:49 +00:00
3bd5ffb62b
tsan: test that tsan explicitly says "race on vptr".
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Requires llvm r177717.
llvm-svn: 177726
2013-03-22 10:54:39 +00:00
667a34a120
[asan] Change the way we report the alloca frame on stack-buff-overflow.
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Before: the function name was stored by the compiler as a constant string
and the run-time was printing it.
Now: the PC is stored instead and the run-time prints the full symbolized frame.
This adds a couple of instructions into every function with non-empty stack frame,
but also reduces the binary size because we store less strings (I saw 2% size reduction).
This change bumps the asan ABI version to v3.
compiler-rt part, llvm part will follow.
Example of report (now):
==31711==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7fffa77cf1c5 at pc 0x41feb0 bp 0x7fffa77cefb0 sp 0x7fffa77cefa8
READ of size 1 at 0x7fffa77cf1c5 thread T0
#0 0x41feaf in Frame0(int, char*, char*, char*) stack-oob-frames.cc:20
#1 0x41f7ff in Frame1(int, char*, char*) stack-oob-frames.cc:24
#2 0x41f477 in Frame2(int, char*) stack-oob-frames.cc:28
#3 0x41f194 in Frame3(int) stack-oob-frames.cc:32
#4 0x41eee0 in main stack-oob-frames.cc:38
#5 0x7f0c5566f76c (/lib/x86_64-linux-gnu/libc.so.6+0x2176c)
#6 0x41eb1c (/usr/local/google/kcc/llvm_cmake/a.out+0x41eb1c)
Address 0x7fffa77cf1c5 is located in stack of thread T0 at offset 293 in frame
#0 0x41f87f in Frame0(int, char*, char*, char*) stack-oob-frames.cc:12 <<<<<<<<<<<<<< this is new
This frame has 6 object(s):
[32, 36) 'frame.addr'
[96, 104) 'a.addr'
[160, 168) 'b.addr'
[224, 232) 'c.addr'
[288, 292) 's'
[352, 360) 'd'
llvm-svn: 177723
2013-03-22 10:36:24 +00:00
93a842bd1f
[msan] Move test main and gtest include to separate files.
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llvm-svn: 177718
2013-03-22 09:01:26 +00:00
bfe9df221d
[msan] Place dlopen in an anon namespace.
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llvm-svn: 177716
2013-03-22 08:49:36 +00:00
2f411641fe
tsan: work around FileCheck bug with empty outputs
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llvm-svn: 177715
2013-03-22 08:48:34 +00:00
5d69168906
[msan] Get rid of "using std::string" in msandr.
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llvm-svn: 177714
2013-03-22 08:47:42 +00:00
f1311dfce1
[ASan] fix-up for r177634 on Windows.
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llvm-svn: 177711
2013-03-22 07:48:23 +00:00
a5eb3cb721
[ASan] Fix an error on invalid deallocation in ASan allocator. When ASan checks if memory freed by user was indeed previously allocated, it first does an atomic write to presumed location of chunk header. This is wrong, as if the free is invalid, we may overwrite some valuable data (like other fields of the chunk header). Fix this by using atomic_compare_exchange instead.
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llvm-svn: 177710
2013-03-22 07:40:34 +00:00
a7e42b5be5
asan: fix lint warning about line length
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llvm-svn: 177709
2013-03-22 07:29:59 +00:00
b30d11194c
ubsan: Pass floating-point arguments to the runtime by value if they fit the
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value argument.
llvm-svn: 177689
2013-03-22 00:47:05 +00:00
1ea5b805ce
Don't forget to link in the C++-specific parts of the ubsan runtime when using the Makefile build system on Darwin.
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llvm-svn: 177684
2013-03-22 00:01:44 +00:00
ebf63d0095
tsan: better reporting of thread leaks
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1. do not report running threads as leaks
2. aggregate leaked threads by creation stack
llvm-svn: 177647
2013-03-21 16:55:17 +00:00
0851fa8819
tsan: better reporting for races on vptr
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explicitly say "ctor/dtor vs virtual call"
llvm-svn: 177640
2013-03-21 15:37:39 +00:00
2c3b919ad3
tsan: add flag to control symbolizer flush frequency
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llvm-svn: 177638
2013-03-21 13:01:50 +00:00
69c323d66f
tsan: intercept abort() to fflush() libc streams
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llvm-svn: 177637
2013-03-21 12:50:43 +00:00
6911a7f1d1
tsan: remove bogus CHECK
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Asynchronous signal (e.g. SIGABRT) can be received with any value of in_rtl.
llvm-svn: 177636
2013-03-21 12:44:44 +00:00
54afba8b62
[ASan] Switch ASan to generic ThreadRegistry from sanitizer_common. Delete ASan-specific AsanThreadRegistry.
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llvm-svn: 177634
2013-03-21 11:23:41 +00:00
48e5d4a2d3
tsan: flush symbolizer cache if not symbolized for more than 5 seconds
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llvm-svn: 177629
2013-03-21 07:02:36 +00:00
5e797a8e57
tsan: add a comment about magic numbers
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llvm-svn: 177628
2013-03-21 06:28:04 +00:00
78693730a4
tsan: use a single background thread for memory profiler and memory flush (and later for symbolizer flush)
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llvm-svn: 177627
2013-03-21 06:24:31 +00:00
b6f3905450
Per discussion on cxx-abi-dev, switch from comparing type_info objects to
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comparing type_info names, since the latter have better uniqueness guarantees
in practice.
llvm-svn: 177618
2013-03-21 00:42:03 +00:00
e86b7b0bb9
Split ubsan runtime into three pieces (compiler-rt part):
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* libclang_rt-san-* is sanitizer_common, and is linked in only if no other
sanitizer runtime is present.
* libclang_rt-ubsan-* is the piece of the runtime which doesn't depend on
a C++ ABI library, and is always linked in.
* libclang_rt-ubsan_cxx-* is the piece of the runtime which depends on a
C++ ABI library, and is only linked in when linking a C++ binary.
The Darwin ubsan runtime is unchanged.
For more details, see Clang change r177605.
llvm-svn: 177606
2013-03-20 23:49:17 +00:00
7184d34f96
Add declaration for linux.
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llvm-svn: 177601
2013-03-20 23:21:08 +00:00
51a6ff5799
Create a coverage initialization function.
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This function replaces the call of `atexit' from being generated in the compile
units. Basically, it registers the "writeout" and "flush" functions (if
present). It will generate calls to the `atexit' function for cleanups and final
writeout functions, but only once. This is better than checking for `main',
because a library may not have a `main' function in it.
<rdar://problem/12439551>
llvm-svn: 177578
2013-03-20 21:11:47 +00:00
6120bac6e6
tsan: correct sizes of signal-related data structures
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llvm-svn: 177526
2013-03-20 14:57:28 +00:00
Alexey Samsonov