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8 Commits

Author SHA1 Message Date
Evgeniy Stepanov 584fd96e9e [msan] Unpoison memory that is returned to the OS and flush its shadow. 
llvm-svn: 195244
 2013-11-20 12:51:14 +00:00
Evgeniy Stepanov 2794c47243 [msan] Drain allocator cache when leaving thread. 
llvm-svn: 193163
 2013-10-22 14:31:30 +00:00
Evgeniy Stepanov 113c646c56 [msan] Implement allocator_may_return_null=1 in MemorySanitizer. 
llvm-svn: 192687
 2013-10-15 11:33:48 +00:00
Evgeniy Stepanov 65562f5281 [msan] Fix origin of deallocated memory. 
MSan poisons deallocated memory but it used to give it an invalid origin value,
resulting in confusing reports. This change associates deallocation stack trace
with such memory.

Note that MSan does not have quarantine, and use-after-free detection is very
limited.

llvm-svn: 190781
 2013-09-16 11:03:31 +00:00
Evgeniy Stepanov df96e863de [msan] bool -> int to make msan_interface.h C-compatible. 
llvm-svn: 190402
 2013-09-10 11:04:37 +00:00
Evgeniy Stepanov 44b77c26e4 [msan] Allocator statistics interface and malloc hooks. 
llvm-svn: 187653
 2013-08-02 14:26:58 +00:00
Kostya Serebryany e29883c10a [sanitizer] add OnMap/OnUmap callbacks to the allocator interface 
llvm-svn: 169985
 2012-12-12 14:32:18 +00:00
Evgeniy Stepanov c5033786ba [msan] MemorySanitizer runtime. 
Initial commit of the MemorySanitizer runtime library.

llvm-svn: 169858
 2012-12-11 12:27:27 +00:00