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Commit Graph

21 Commits

Author SHA1 Message Date
Kostya Serebryany
afe59b6588 [fuzzer] move default sanitizer options to a separate file
llvm-svn: 228429
2015-02-06 19:52:07 +00:00
Kostya Serebryany
64c4d4b6ad [fuzzer] add flag prefer_small_during_initial_shuffle, be a bit more verbose
llvm-svn: 228235
2015-02-04 23:42:42 +00:00
Kostya Serebryany
bef8a9c563 [fuzzer] add -runs=N to limit the number of runs per session. Also, make sure we do some mutations w/o cross over.
llvm-svn: 228214
2015-02-04 22:20:09 +00:00
Kostya Serebryany
31b6858756 [fuzzer] make multi-process execution more verbose; fix mutation to actually respect mutation depth and to never produce empty units
llvm-svn: 228170
2015-02-04 19:10:20 +00:00
Kostya Serebryany
c850679d3c [fuzzer]: fix exit code, add more diagnostics
llvm-svn: 228103
2015-02-04 01:22:57 +00:00
Kostya Serebryany
65c9f7dd34 [fuzzer] Add proper dependensices to the fuzzer tests
Summary: Make sure that FileCheck is built when running check-fuzzer

Test Plan:
run on bot:
lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fuzzer

Reviewers: samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7387

llvm-svn: 228045
2015-02-03 21:57:32 +00:00
Kostya Serebryany
6dd23ca926 [fuzzer] update the include line to use the new header name
llvm-svn: 228018
2015-02-03 19:42:05 +00:00
Kostya Serebryany
e1dd7778a1 [fuzzer] add flags to run fuzzer in multiple parallel processes
llvm-svn: 227664
2015-01-31 01:14:40 +00:00
Kostya Serebryany
5ac8bf3c74 [fuzzer] Add a gtest-style test
Summary: Add one gtest-style test.

Test Plan: run on bot

Reviewers: samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7287

llvm-svn: 227639
2015-01-30 23:26:57 +00:00
Kostya Serebryany
9658f61dfd [fuzzer] add -use_full_coverage_set=1 which solves FullCoverageSetTest. This does not scale very well yet, but might be a good start.
llvm-svn: 227507
2015-01-29 23:01:07 +00:00
Kostya Serebryany
39fec2f9bb [fuzzer] fix warning in a test
llvm-svn: 227478
2015-01-29 18:13:36 +00:00
Kostya Serebryany
51955d2781 [fuzzer] minor cleanup based on reviews: remove redundant includes, fix a copy-pasto in tests
llvm-svn: 227468
2015-01-29 17:16:23 +00:00
Kostya Serebryany
f609f98508 [fuzzer] add FAQ section to the README.txt
llvm-svn: 227466
2015-01-29 17:11:30 +00:00
Aaron Ballman
ea7bb26fdf Reverting r227452, which adds back the fuzzer library. Now excluding the fuzzer library based on LLVM_USE_SANITIZE_COVERAGE being set or unset.
llvm-svn: 227464
2015-01-29 16:58:29 +00:00
Aaron Ballman
28eea44386 Temporarily reverting the fuzzer library as it causes too many build issues for MSVC users. This reverts: 227445, 227395, 227389, 227357, 227254, 227252
llvm-svn: 227452
2015-01-29 15:49:22 +00:00
Aaron Ballman
0ec3c657a3 Adding missing #includes to try to get this to compile on Windows with Visual Studio.
llvm-svn: 227445
2015-01-29 15:19:13 +00:00
Kostya Serebryany
940c7a3149 [fuzzer] add option -save_minimized_corpus
llvm-svn: 227395
2015-01-28 23:48:39 +00:00
Kostya Serebryany
8d270c41d3 Add lit-style tests for the Fuzzer library
Summary: Add test targets and the lit-style runner.

Test Plan: Run the tests on bot.

Reviewers: samsonov

Reviewed By: samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7217

llvm-svn: 227389
2015-01-28 22:49:25 +00:00
Kostya Serebryany
f26ec31c3c [fuzzer] instructions for building/running clang-format-fuzzer
llvm-svn: 227357
2015-01-28 19:51:58 +00:00
Kostya Serebryany
3152c31e63 [fuzzer] properly enable asan's coverage feedback
llvm-svn: 227254
2015-01-27 22:19:55 +00:00
Kostya Serebryany
87931c3355 Add a Fuzzer library
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
2015-01-27 22:08:41 +00:00