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9 Commits

Author SHA1 Message Date
Kostya Serebryany 2455f0d013 [libFuzzer] clear the corpus elements if they are evicted (i.e. smaller elements with proper coverage are found). Make sure we never try to mutate empty element. Print the corpus size in bytes in the status lines 
llvm-svn: 283279
 2016-10-05 00:25:17 +00:00
Kostya Serebryany 5a52a11ce4 [libFuzzer] change the probabilities so that we choose only the inputs that are known to be minimal inputs for at least one coverage feature (works only with -shrink=1 for now) 
llvm-svn: 283178
 2016-10-04 01:51:44 +00:00
Kostya Serebryany d216922a80 [libFuzzer] implement the -shrink=1 option that tires to make elements of the corpus smaller, off by default 
llvm-svn: 282995
 2016-10-01 01:04:29 +00:00
Kostya Serebryany 2c55613a08 [libFuzzer] more the feature set to InputCorpus; on feature update, change the feature counter of the old best input 
llvm-svn: 282829
 2016-09-30 01:19:56 +00:00
Kostya Serebryany 16a145fd0f [libFuzzer] fix merging with trace-pc-guard 
llvm-svn: 282224
 2016-09-23 01:58:51 +00:00
Kostya Serebryany 624f59f4d8 [libFuzzer] add 'features' to the corpus elements, allow mutations with Size > MaxSize, fix sha1 in corpus stats; various refactorings 
llvm-svn: 282129
 2016-09-22 01:34:58 +00:00
Kostya Serebryany 29bb664075 [libFuzzer] add stats to the corpus; more refactoring 
llvm-svn: 282121
 2016-09-21 22:42:17 +00:00
Kostya Serebryany 20801e1b8a [libFuzzer] more refactoring; don't compute sha1sum every time we mutate a unit from the corpus, use the stored one. 
llvm-svn: 282115
 2016-09-21 21:41:48 +00:00
Kostya Serebryany 6f5a804cdb [libFuzzer] refactoring: split the large header into many; NFC 
llvm-svn: 282044
 2016-09-21 01:50:50 +00:00