RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 11:02:59 +02:00
Code Issues Projects Releases Wiki Activity
128,946 Commits 4 Branches 5 Tags 704 MiB
da046b76fb
Commit Graph

95 Commits

Author SHA1 Message Date
Kostya Serebryany
01af064f8d [libFuzzer] add a flag close_fd_mask so that we can silence spammy targets by closing stderr/stdout 
llvm-svn: 263831
 2016-03-18 20:58:29 +00:00
Kostya Serebryany
c99e69af78 [libFuzzer] improve -merge functionality 
llvm-svn: 263769
 2016-03-18 00:23:29 +00:00
Kostya Serebryany
e634bbeadd [libFuzzer] deprecate several flags 
llvm-svn: 263739
 2016-03-17 19:59:39 +00:00
Kostya Serebryany
5b93d4b15a [libFuzzer] try to use max_len based on the items of the corpus instead of blindly defaulting to 64 bytes. 
llvm-svn: 263323
 2016-03-12 01:57:04 +00:00
Kostya Serebryany
96af1208c1 [libFuzzer] deprecate exit_on_first flag 
llvm-svn: 262417
 2016-03-01 22:33:14 +00:00
Kostya Serebryany
d5755334e5 [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. 
llvm-svn: 262415
 2016-03-01 22:19:21 +00:00
Kostya Serebryany
503e17c728 [libFuzzer] add -print_final_stats=1 flag 
llvm-svn: 262084
 2016-02-26 22:42:23 +00:00
Kostya Serebryany
a9a412139e [libFuzzer] initial implementation of path coverage based on -fsanitize-coverage=trace-pc. This does not scale well yet, but already cracks FullCoverageSetTest in seconds 
llvm-svn: 262073
 2016-02-26 21:33:56 +00:00
Kostya Serebryany
7ef7f142ff [libFuzzer] only read MaxLen bytes from every file in the corpus to speedup loading the corpus 
llvm-svn: 261267
 2016-02-18 21:49:10 +00:00
Kostya Serebryany
abc380db58 [libFuzzer] remove std::vector operations from hot paths, NFC 
llvm-svn: 260829
 2016-02-13 17:56:51 +00:00
Kostya Serebryany
bf966c5f23 [libFuzzer] don't require seed in fuzzer::Mutate, instead use the global Fuzzer object for fuzzer::Mutate. This makes custom mutators fast 
llvm-svn: 260810
 2016-02-13 06:24:18 +00:00
Kostya Serebryany
abf7df0972 [libFuzzer] simplify CTOR of MutationDispatcher 
llvm-svn: 260800
 2016-02-13 03:46:26 +00:00
Kostya Serebryany
cca951bf4c [libFuzzer] get rid of MutationDispatcher::Impl (simplify the code; NFC) 
llvm-svn: 260799
 2016-02-13 03:37:24 +00:00
Kostya Serebryany
b9687a1cc3 [libFuzzer] get rid of UserSuppliedFuzzer; NFC 
llvm-svn: 260798
 2016-02-13 03:25:16 +00:00
Kostya Serebryany
9bf814b9ec [libFuzzer] simplify the code around Random. NFC 
llvm-svn: 260797
 2016-02-13 03:00:53 +00:00
Kostya Serebryany
1bb500faf8 [libFuzzer] remove UserSuppliedFuzzer from the interface (it was a bad idea). 
llvm-svn: 260796
 2016-02-13 02:39:30 +00:00
Kostya Serebryany
4b2ab57d9f [libFuzzer] allow passing 1 or more files as individual inputs 
llvm-svn: 259459
 2016-02-02 03:03:47 +00:00
Kostya Serebryany
e3ec64cf18 [libFuzzer] add -timeout_exitcode option 
llvm-svn: 259265
 2016-01-29 23:30:07 +00:00
Kostya Serebryany
0c11655f17 [libFuzzer] add -abort_on_timeout option 
llvm-svn: 258631
 2016-01-23 19:34:19 +00:00
Kostya Serebryany
548cef831b [libFuzzer] add more fields to DictionaryEntry to count the number of uses and successes 
llvm-svn: 258589
 2016-01-22 23:55:14 +00:00
Ivan Krasin
ce1bcd8c31 Use std::piecewise_constant_distribution instead of ad-hoc binary search. 
Summary:
Fix the issue with the most recently discovered unit receiving much less attention.

Note: this is the second attempt (prev: r258473). Now, libc++ build is fixed.

Reviewers: aizatsky, kcc

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D16487

llvm-svn: 258571
 2016-01-22 22:28:27 +00:00
Ivan Krasin
7b4522dc59 Revert r258473 as it's breaking the build with libc++ 
Reviewers: kcc

Differential Revision: http://reviews.llvm.org/D16441

llvm-svn: 258479
 2016-01-22 03:21:52 +00:00
Ivan Krasin
db4009626d Use std::piecewise_constant_distribution instead of ad-hoc binary search. 
Summary:
Fix the issue with the most recently discovered unit receiving much less attention.

Note: I had to change the seed for one test to make it pass. Alternatively,
the number of runs could be increased. I believe that the average time of
'foo' discovery is not increased, just seed=1 was particularly convenient
for the previous PRNG scheme used.

Reviewers: aizatsky, kcc

Subscribers: llvm-commits, kcc

Differential Revision: http://reviews.llvm.org/D16419

llvm-svn: 258473
 2016-01-22 01:32:34 +00:00
Kostya Serebryany
0ae292d42e [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
d65aa3494d [libFuzzer] introduce LLVMFuzzerInitialize 
llvm-svn: 257980
 2016-01-16 01:23:12 +00:00
Kostya Serebryany
87079ee20d [libFuzzer] move some code from public interface header to a non-public header. NFC 
llvm-svn: 257963
 2016-01-16 00:04:36 +00:00
Kostya Serebryany
b40c61f46c [libFuzzer] do mutations based on memcmp/strcmp interceptors under a separate flag (-use_memcmp, default=1) 
llvm-svn: 257873
 2016-01-15 06:24:05 +00:00
Kostya Serebryany
f050542d8f [libFuzzer] make CurrentUnit a POD object instead of vector to avoid extra allocations 
llvm-svn: 257713
 2016-01-13 23:46:01 +00:00
Kostya Serebryany
89262beb8c [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) 
llvm-svn: 257701
 2016-01-13 23:02:30 +00:00
Kostya Serebryany
df2508fcaf [libFuzzer] when a new unit is discovered using a dictionary, print all used dictionary entries 
llvm-svn: 257435
 2016-01-12 02:36:59 +00:00
Kostya Serebryany
bdc66ac566 [libFuzzer] change the way trace-based mutations are applied. Instead of a custom code just rely on the automatically created dictionary 
llvm-svn: 257248
 2016-01-09 03:08:58 +00:00
Mike Aizatsky
b1bf6550e4 [libfuzzer] print_new_cov_pcs experimental option. 
Differential Revision: http://reviews.llvm.org/D15901

llvm-svn: 256882
 2016-01-06 00:21:22 +00:00
Kostya Serebryany
ab36ca708c [libFuzzer] make CrossOver just one of the other mutations 
llvm-svn: 256081
 2015-12-19 02:49:09 +00:00
Kostya Serebryany
a69b412cc5 [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
4b6eeeca4b [libFuzzer] add a flag -exact_artifact_path 
llvm-svn: 254100
 2015-11-25 21:40:46 +00:00
Mike Aizatsky
4afb4aff05 output_csv libfuzzer option 
Summary:
The option outputs statistics in CSV format preceded by 1 header line.
This is intended for machine processing of the output.
-verbosity=0 should likely be set.

Differential Revision: http://reviews.llvm.org/D14600

llvm-svn: 252856
 2015-11-12 04:38:40 +00:00
Kostya Serebryany
745d4188ac [libFuzzer] experimental flag -drill (another search heuristic; Mike Aizatsky's idea) 
llvm-svn: 252838
 2015-11-12 01:02:01 +00:00
Kostya Serebryany
9d859680b2 [libFuzzer] when choosing the next unit to mutate, give some preference to the most recent units (they are more likely to be interesting) 
llvm-svn: 252097
 2015-11-04 23:22:25 +00:00
Kostya Serebryany
c171514e30 [libFuzzer] add -merge flag to merge corpora 
llvm-svn: 251168
 2015-10-24 01:16:40 +00:00
Kostya Serebryany
f03686178a [libFuzzer] remove some old code; also make __sanitizer_get_total_unique_caller_callee_pairs weak so that newer libFuzzer works with older asan 
llvm-svn: 251133
 2015-10-23 18:37:58 +00:00
Kostya Serebryany
829e28a729 [libFuzzer] use the indirect caller-callee counter as an independent search heuristic 
llvm-svn: 251078
 2015-10-22 23:55:39 +00:00
Kostya Serebryany
8c8cba5fa8 [libFuzzer] more refactoring the code that checks the coverage. NFC 
llvm-svn: 251075
 2015-10-22 22:56:45 +00:00
Kostya Serebryany
e6c24f1866 [libFuzzer] refactoring the code that checks the coverage. NFC 
llvm-svn: 251074
 2015-10-22 22:50:47 +00:00
Kostya Serebryany
99fe4b430c [libFuzzer] remove the deprecated 'tokens' feature 
llvm-svn: 251069
 2015-10-22 21:48:09 +00:00
Kostya Serebryany
b30ba817ce [libFuzzer] add -shuffle flag 
llvm-svn: 250603
 2015-10-17 04:38:26 +00:00
Kostya Serebryany
a51be6eaa4 [libFuzzer] print a stack trace on timeout 
llvm-svn: 250571
 2015-10-16 23:04:31 +00:00
Kostya Serebryany
47e5e62e71 [libFuzzer] When -test_single_input crashes the test it is not necessary to write crash-file because input is already known to the user. Patch by Mike Aizatsky 
llvm-svn: 250564
 2015-10-16 22:41:47 +00:00
Kostya Serebryany
e3d637a4af [libFuzzer] add -artifact_prefix flag 
llvm-svn: 249807
 2015-10-09 03:57:59 +00:00
Kostya Serebryany
4487114c63 [libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int instead of void. The actual return value is not *yet* used (and expected to be 0). This change is API breaking, so the fuzzers will need to be updated. 
llvm-svn: 249214
 2015-10-02 23:34:06 +00:00
Kostya Serebryany
20a00e008b [libFuzzer] remove experimental flag and functionality 
llvm-svn: 249194
 2015-10-02 22:00:32 +00:00