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* [libFuzzer] compute base64 in-process instead of using an external lib. ↵Kostya Serebryany2015-12-041-0/+29
| | | | | | Since libFuzzer should not depend on anything, just re-implement base64 encoder. PR25746 llvm-svn: 254784
* [libFuzzer] experimental flag -drill (another search heuristic; Mike ↵Kostya Serebryany2015-11-121-2/+2
| | | | | | Aizatsky's idea) llvm-svn: 252838
* [libFuzzer] print a bit fewer linesKostya Serebryany2015-11-051-1/+0
| | | | llvm-svn: 252123
* [libFuzzer] print a stack trace on timeoutKostya Serebryany2015-10-161-0/+2
| | | | llvm-svn: 250571
* [libFuzzer] adding a parser for AFL-style dictionaries + tests.Kostya Serebryany2015-09-031-0/+74
| | | | llvm-svn: 246800
* [libFuzzer] honour -only_ascii=1 when reading the initial corpus. Also, ↵Kostya Serebryany2015-09-021-0/+6
| | | | | | remove ugly #ifdef llvm-svn: 246689
* [libFuzzer] add -only_ascii flagKostya Serebryany2015-08-111-0/+13
| | | | llvm-svn: 244559
* [lib/Fuzzer] fully get rid of std::cerr in libFuzzerKostya Serebryany2015-05-231-7/+6
| | | | llvm-svn: 238081
* [lib/Fuzzer] when -sync_command=<CMD> is given, periodically execute 'CMD ↵Kostya Serebryany2015-05-181-0/+4
| | | | | | CORPUS' to synchronize with other processes llvm-svn: 237617
* [lib/Fuzzer] Add SHA1 implementation from public domain.Kostya Serebryany2015-05-141-38/+9
| | | | | | | | | | | | | | | | | | | | | | | Summary: This adds a SHA1 implementation taken from public domain code. The change is trivial, but as it involves third-party code I'd like a second pair of eyes before commit. LibFuzzer can not use SHA1 from openssl because openssl may not be available and because we may be fuzzing openssl itself. Using sha1sum via a pipe is too slow. Test Plan: n/a Reviewers: chandlerc Reviewed By: chandlerc Subscribers: majnemer, llvm-commits Differential Revision: http://reviews.llvm.org/D9733 llvm-svn: 237400
* [lib/Fuzzer] use sha1sum for the file hashKostya Serebryany2015-05-121-0/+30
| | | | llvm-svn: 237198
* [lib/Fuzzer] guess the right number of workers if -jobs=N is given but ↵Kostya Serebryany2015-05-121-0/+8
| | | | | | -workers=M is not. Update the docs. llvm-svn: 237163
* [fuzzer] document the -tokens flag. Also change the diagnostic outputKostya Serebryany2015-04-011-4/+7
| | | | llvm-svn: 233842
* [fuzzer] Add support for token-based fuzzing (e.g. for C++). Allow string ↵Kostya Serebryany2015-03-311-1/+1
| | | | | | flags. llvm-svn: 233745
* Reverting r227452, which adds back the fuzzer library. Now excluding the ↵Aaron Ballman2015-01-291-0/+61
| | | | | | fuzzer library based on LLVM_USE_SANITIZE_COVERAGE being set or unset. llvm-svn: 227464
* Temporarily reverting the fuzzer library as it causes too many build issues ↵Aaron Ballman2015-01-291-61/+0
| | | | | | for MSVC users. This reverts: 227445, 227395, 227389, 227357, 227254, 227252 llvm-svn: 227452
* Add a Fuzzer libraryKostya Serebryany2015-01-271-0/+61
Summary: A simple genetic in-process coverage-guided fuzz testing library. I've used this fuzzer to test clang-format (it found 12+ bugs, thanks djasper@ for the fixes!) and it may also help us test other parts of LLVM. So why not keep it in the LLVM repository? I plan to add the cmake build rules later (in a separate patch, if that's ok) and also add a clang-format-fuzzer target. See README.txt for details. Test Plan: Tests will follow separately. Reviewers: djasper, chandlerc, rnk Reviewed By: rnk Subscribers: majnemer, ygribov, dblaikie, llvm-commits Differential Revision: http://reviews.llvm.org/D7184 llvm-svn: 227252
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