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89 Commits

Author SHA1 Message Date
Marcos Pividori
255eed0380 [libFuzzer] Change Uninstrumented test name. 
On Windows, executables with the word "uninst" included in their names are
associated with administrator privileges.

Differential Revision: https://reviews.llvm.org/D29549

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294387 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-02-08 00:03:13 +00:00
Marcos Pividori
1ff471105f [libFuzzer] Update fuzzer.test to properly set environment variables. 
Use env to set environment variables, so it works on Windows and Linux.

Differential Revision: https://reviews.llvm.org/D29537

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294385 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-02-08 00:03:03 +00:00
Marcos Pividori
f78e1b3b9d [libFuzzer] Update test to consider different exceptions. 
Differential Revision: https://reviews.llvm.org/D29531

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294377 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-02-08 00:02:25 +00:00
Kostya Serebryany
e0c77c88b7 [libFuzzer] use print+exit(1) instead of assert to report an error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292685 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-01-21 00:13:50 +00:00
Kostya Serebryany
c29243753f [libFuzzer] add an assert to protect against LLVMFuzzerInitialize changing argv[0] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292652 91177308-0d34-0410-b5e6-96231b3b80d8
 2017-01-20 21:34:24 +00:00
Kostya Serebryany
851cd4f9a2 [libFuzzer] build libFuzzer itself with asan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289469 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-12 20:58:10 +00:00
Kostya Serebryany
9c5c57d05a [libFuzzer] test cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289312 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-10 02:45:56 +00:00
Kostya Serebryany
1b6cd25422 [libFuzzer] switch all libFuzzer tests to use -fsanitize-coverage=trace-pc-guard. Support for the previosly used instrumentation will be removed in the following changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289311 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-10 02:26:23 +00:00
Kostya Serebryany
302a19a141 [libFuzzer] enable use_cmp by default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285353 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-27 21:44:37 +00:00
Kostya Serebryany
98711e2ac8 [libFuzzer] add StandaloneFuzzTargetMain.c and a test for it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285135 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-25 22:30:34 +00:00
Kostya Serebryany
7430a26dd8 [libFuzzer] add a test for asan's strict_string_checks=1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284902 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-22 00:05:44 +00:00
Kostya Serebryany
cc6cbfdebc [libFuzzer] refactoring to make -shrink=1 work for value profile, added a test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283409 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-05 22:56:21 +00:00
Kostya Serebryany
d4d50f6f47 [libFuzzer] add ShrinkValueProfileTest, move code around, NFC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283286 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-05 01:09:40 +00:00
Kostya Serebryany
65f502816c [libFuzzer] add -exit_on_src_pos to test libFuzzer itself, add a test script for RE2 that uses this flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282458 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-09-27 00:10:20 +00:00
Kostya Serebryany
b9cc2c457f [libFuzzer] change trace-pc to use 8-byte guards 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281810 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-09-17 05:04:47 +00:00
Kostya Serebryany
dcc5ba2671 [libFuzzer] make caller-callee feedback work with trace-pc-guard 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281667 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-09-15 22:16:15 +00:00
Kostya Serebryany
26586a8660 [libFuzzer] add 8-bit counters to trace-pc-guard handler 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281568 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-09-15 01:30:18 +00:00
Kostya Serebryany
a4826c1b99 [libFuzzer] start using trace-pc-guard as an alternative source of coverage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281435 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-09-14 02:13:06 +00:00
Kostya Serebryany
fd9cb1a5c5 [libFuzzer] add a test that is built w/o coverage instrumentation but has the coverage rt (it should now fail with a descriptive message) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272090 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-06-08 01:46:13 +00:00
Mike Aizatsky
21e8db8cc1 [libfuzzer] splitting fuzzer.test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271697 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-06-03 18:05:22 +00:00
Kostya Serebryany
3886b25c4a [libFuzzer] when an invalid flag is given, warn, but don't crash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271404 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-06-01 16:41:12 +00:00
Kostya Serebryany
dc4065fcc1 [libFuzzer] use __sanitizer_set_report_fd with -close_fd_mask. This allows us to keep asan reports when closing target's stderr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271053 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-05-27 21:46:22 +00:00
Kostya Serebryany
34fca4b9ec [libFuzzer] reimplement the way we do -only_ascii to allow more 'const' in function declarations. Add a test for -only_ascii. NFC intended 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270900 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-05-26 20:03:02 +00:00
Kostya Serebryany
305ed5060f [libFuzzer] print stats if we crash on empty input 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270639 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-05-25 00:15:36 +00:00
Kostya Serebryany
909ee84abf [libFuzzer] print the file name before executing the input so that if there is a crash we know which files has caused it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269450 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-05-13 18:10:33 +00:00
Kostya Serebryany
18c0216842 [libFuzzer] print stats after running individual inputs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268547 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-05-04 20:44:50 +00:00
Kostya Serebryany
37e715dc57 [libFuzzer] warn if the corpus is empty 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266670 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-04-18 21:14:11 +00:00
Kostya Serebryany
ac6d266478 [libFuzzer] add a better warning for command line flags with -- (two dashes) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266480 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-04-15 21:56:29 +00:00
Kostya Serebryany
c09d592889 [libFuzzer] don't report memory leaks if we are dying due to a timeout (just use _Exit instead of exit in the timeout callback) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264237 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-24 01:32:08 +00:00
Kostya Serebryany
4aa62c5d17 [libFuzzer] add a flag close_fd_mask so that we can silence spammy targets by closing stderr/stdout 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263831 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-18 20:58:29 +00:00
Kostya Serebryany
2b341f70ca [libFuzzer] read corpus dirs recursively 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263773 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-18 01:36:00 +00:00
Kostya Serebryany
bcace10c40 [libFuzzer] deprecate several flags 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263739 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-17 19:59:39 +00:00
Kostya Serebryany
7a1dcf9965 [libFuzzer] add generic signal handlers so that libFuzzer can report at least something if ASan is not handlig the signals for us. Remove abort_on_timeout flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262415 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-03-01 22:19:21 +00:00
Kostya Serebryany
86b1b67565 [libFuzzer] add -print_final_stats=1 flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262084 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-26 22:42:23 +00:00
Kostya Serebryany
efb0cc7640 [libFuzzer] get rid of UserSuppliedFuzzer; NFC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260798 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-13 03:25:16 +00:00
Kostya Serebryany
f71ac00d01 [libFuzzer] remove UserSuppliedFuzzer from the interface (it was a bad idea). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260796 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-13 02:39:30 +00:00
Kostya Serebryany
e6d7e3d948 [libFuzzer] provide a plain C interface for custom mutators (experimental) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260794 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-13 02:29:38 +00:00
Kostya Serebryany
14c6007ab2 [libFuzzer] make -runs=N flag also affect the simple runner (will execute every input N times) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260649 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-12 02:32:03 +00:00
Kostya Serebryany
5a91878f44 [libFuzzer] hot fix a test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259732 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-04 00:12:28 +00:00
Kostya Serebryany
598f7017b4 [libFuzzer] don't write the test unit when a leak is detected (since we don't know which unit causes the leak) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259731 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-04 00:02:17 +00:00
Kostya Serebryany
485551ecaf [libFuzzer] allow passing 1 or more files as individual inputs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259459 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-02 03:03:47 +00:00
Kostya Serebryany
05de8e95f6 [libFuzzer] fail if the corpus dir does not exist 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@259454 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-02 02:07:26 +00:00
Kostya Serebryany
429a7edf9b [libFuzzer] use std::mt19937 for generating random numbers by default. Fix MyStoll to handle negative values. Use std::any_of instead of std::find_if 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@258178 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-19 20:33:57 +00:00
Kostya Serebryany
1e595319e3 [libFuzzer] introduce LLVMFuzzerInitialize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257980 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-16 01:23:12 +00:00
Kostya Serebryany
3888fb079a [libFuzzer] make sure we find buffer overflow in the input buffer. Previously, re-using the same vector object was hiding buffer overflows (unless we used annotated vector) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257701 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-13 23:02:30 +00:00
Kostya Serebryany
ab240104f0 [libFuzzer] add a position hint to the dictionary-based mutator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257013 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-07 01:49:35 +00:00
Mike Aizatsky
1cea7723fa [libfuzzer] print_new_cov_pcs experimental option. 
Differential Revision: http://reviews.llvm.org/D15901

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256882 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-06 00:21:22 +00:00
Kostya Serebryany
cf686ded44 [libFuzzer] split the tests to run them in parallel, remove one redundant test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256085 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-19 03:35:30 +00:00
Kostya Serebryany
a1e5f35b02 [libFuzzer] make CrossOver just one of the other mutations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256081 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-19 02:49:09 +00:00
Mike Aizatsky
6d5ee5a800 [LibFuzzer] Introducing FUZZER_FLAG_UNSIGNED and using it for seeding. 
Differential Revision: http://reviews.llvm.org/D15339

done

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255296 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-12-10 20:41:53 +00:00