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8 Commits

Author SHA1 Message Date
Kostya Serebryany cf50d43be9 [libFuzzer] fix tests on Windows 
llvm-svn: 303128
 2017-05-15 22:55:00 +00:00
Kostya Serebryany 87813b1bf8 [libFuzzer] improve the afl driver and it's tests. Make it possible to run individual inputs with afl driver 
llvm-svn: 303125
 2017-05-15 22:38:29 +00:00
Mike Aizatsky 8ba86a5a48 [libFuzzer] Let user specify extra stats file. 
Summary: If AFL_DRIVER_EXTRA_STATS_FILENAME is set and valid, write to it peak_rss_mb and slowest_unit_time_sec. These are both stats that libFuzzer can print but afl cannot.

Reviewers: kcc, aizatsky, metzman

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D21742

llvm-svn: 274273
 2016-06-30 20:43:06 +00:00
Vitaly Buka 7bd4720e6b Fix test from D21194 
Bot sets ASAN_OPTIONS=handle_abort=1 which prevents expected crash.

llvm-svn: 272866
 2016-06-16 01:52:48 +00:00
Vitaly Buka d6da8f6612 Debugging D21194 issues on bot 
llvm-svn: 272863
 2016-06-16 01:26:46 +00:00
Vitaly Buka d01720d46d Enable libFuzzer's afl_driver to append stderr to a file. 
Summary:
[libFuzzer] Enable afl_driver to append stderr to a user specified file.

Append stderr of afl_driver to the file specified by the environmental variable
AFL_DRIVER_STDERR_DUPLICATE_FILENAME if it is set. This lets users see outputs
on crashes without rerunning crashing test cases (which won't work for crashes
that are difficult to reproduce). Before this patch, stderr would only be sent to afl-fuzz
and users would have no way of seeing it.

Reviewers: llvm-commits, aizatsky, kcc, vitalybuka

Subscribers: vitalybuka

Differential Revision: http://reviews.llvm.org/D21194

llvm-svn: 272858
 2016-06-16 00:14:42 +00:00
Vitaly Buka dca553d021 Revert "Enable libFuzzer's afl_driver to append stderr to a file." 
Crashes with AddressSanitizer: SEGV on unknown address
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fuzzer/builds/9924/steps/annotate/logs/stdio

This reverts commit r272706.

llvm-svn: 272726
 2016-06-14 22:09:00 +00:00
Vitaly Buka 4b73cc88bf Enable libFuzzer's afl_driver to append stderr to a file. 
Summary:
[libFuzzer] Enable afl_driver to append stderr to a user specified file.

Append stderr of afl_driver to the file specified by the environmental variable
AFL_DRIVER_STDERR_DUPLICATE_FILENAME if it is set. This lets users see outputs
on crashes without rerunning crashing test cases (which won't work for crashes
that are difficult to reproduce). Before this patch, stderr would only be sent to afl-fuzz
and users would have no way of seeing it.

Reviewers: llvm-commits, aizatsky, kcc, vitalybuka

Subscribers: vitalybuka

Differential Revision: http://reviews.llvm.org/D21194

llvm-svn: 272706
 2016-06-14 20:42:05 +00:00