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6 Commits

Author SHA1 Message Date
Dan Liew
dfd5a90a99 [LibFuzzer] Tweak MutationDispatcher::Mutate_CopyPart mutation. 
It doesn't make sense to non-deterministically choose between
`CopyPart(..)` and `InsertPart(..)` when it is known that
`InsertPart(..)` will fail.

This upstream's a change from JFS solver's fork of LibFuzzer.

Differential Revision: https://reviews.llvm.org/D45693

llvm-svn: 330687
 2018-04-24 06:31:09 +00:00
Matt Morehouse
1d8e5ea250 [libFuzzer] Fix sizeof(ptr) bug. 
sizeof(const char *) returns 4 or 8 when what we really want is the size
of the array.

llvm-svn: 323802
 2018-01-30 18:25:55 +00:00
George Karpenkov
bebcbfb46d [libFuzzer] Use custom allocators for STL containers in libFuzzer. 
Avoids ODR violations causing spurious ASAN warnings.

Differential Revision: https://reviews.llvm.org/D37086

llvm-svn: 311866
 2017-08-27 23:20:09 +00:00
George Karpenkov
24069a0424 Revert "[libFuzzer] Use custom allocators for STL containers in libFuzzer" 
This reverts commit 3539efc2f2218dba2bcbd645d0fe276f2b5cf588.

llvm-svn: 311831
 2017-08-26 17:50:35 +00:00
George Karpenkov
d50410bfb1 [libFuzzer] Use custom allocators for STL containers in libFuzzer 
Avoids ODR violations causing spurious ASAN container overflow warnings.

Differential Revision: https://reviews.llvm.org/D37086

llvm-svn: 311830
 2017-08-26 17:17:37 +00:00
George Karpenkov
10ab2ace13 Move libFuzzer to compiler_rt. 
Resulting library binaries will be named libclang_rt.fuzzer*, and will
be placed in Clang toolchain, allowing redistribution.

Differential Revision: https://reviews.llvm.org/D36908

llvm-svn: 311407
 2017-08-21 23:25:50 +00:00