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17 Commits

Author SHA1 Message Date
Kostya Serebryany
476f0ce31a [libFuzzer] replace vector with a simpler data structure in the Dictionaries to avoid memory allocations on hot path 
llvm-svn: 257985
 2016-01-16 03:53:32 +00:00
Kostya Serebryany
4b35874b2a [libFuzzer] suggest a dictionary to the user of some of the trace-based dictionary entries were successful 
llvm-svn: 257736
 2016-01-14 02:36:44 +00:00
Kostya Serebryany
152ac7ad70 [libFuzzer] add a position hint to the dictionary-based mutator 
llvm-svn: 257013
 2016-01-07 01:49:35 +00:00
Kostya Serebryany
27ab2d759f [libFuzzer] make CrossOver just one of the other mutations 
llvm-svn: 256081
 2015-12-19 02:49:09 +00:00
Kostya Serebryany
9e48cda9bc [libFuzzer] compute base64 in-process instead of using an external lib. Since libFuzzer should not depend on anything, just re-implement base64 encoder. PR25746 
llvm-svn: 254784
 2015-12-04 22:29:39 +00:00
Kostya Serebryany
25425ad920 [libFuzzer] add one more mutator: Mutate_ChangeASCIIInteger 
llvm-svn: 247027
 2015-09-08 17:19:31 +00:00
Kostya Serebryany
7d21166218 [libFuzzer] actually make the dictionaries work (+docs) 
llvm-svn: 246825
 2015-09-04 00:12:11 +00:00
Kostya Serebryany
ec2dcb1d91 [libFuzzer] refactor the mutation functions so that they are now methods of a class. NFC 
llvm-svn: 246808
 2015-09-03 21:24:19 +00:00
Kostya Serebryany
9838b2be87 [libFuzzer] adding a parser for AFL-style dictionaries + tests. 
llvm-svn: 246800
 2015-09-03 20:23:46 +00:00
Kostya Serebryany
bf29ff2fa5 [libFuzzer] add one more mutation strategy: byte shuffling 
llvm-svn: 244188
 2015-08-06 01:29:13 +00:00
Kostya Serebryany
86a5fba71d [libFuzzer] more refactoring of the Mutator and adding tests to it 
llvm-svn: 243818
 2015-08-01 02:23:06 +00:00
Kostya Serebryany
8ce7424e9c [libFuzzer] start refactoring the Mutator and adding tests to it 
llvm-svn: 243817
 2015-08-01 01:42:51 +00:00
Kostya Serebryany
404c69f2c8 [libFuzzer] allow users to supply their own implementation of rand 
llvm-svn: 243078
 2015-07-24 01:06:40 +00:00
Kostya Serebryany
f342459aa4 [lib/Fuzzer] extend the fuzzer interface to allow user-supplied mutators 
llvm-svn: 238059
 2015-05-22 22:35:31 +00:00
Kostya Serebryany
96eab65d81 [lib/Fuzzer] Add SHA1 implementation from public domain. 
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
 2015-05-14 22:41:49 +00:00
Kostya Serebryany
566bc5aa8a [lib/Fuzzer] rename TestOneInput to LLVMFuzzerTestOneInput to make it more unique 
llvm-svn: 236652
 2015-05-06 22:19:00 +00:00
Kostya Serebryany
71672552db [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