Hans Wennborg
e631996350
Remove redundant .c_str(), as suggested by PR25633
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llvm-svn: 265988
2016-04-11 20:35:17 +00:00
Mike Aizatsky
94e29668b0
[libfuzzer] defensive assert
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llvm-svn: 265866
2016-04-08 23:32:24 +00:00
Mike Aizatsky
f13cbee12e
[libfuzzer] adding license headers to cpp files
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Differential Revision: http://reviews.llvm.org/D18705
llvm-svn: 265174
2016-04-01 18:38:58 +00:00
Kostya Serebryany
9e1a238357
[libFuzzer] more docs
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llvm-svn: 264803
2016-03-29 23:07:36 +00:00
Kostya Serebryany
f3ab6d9e10
[libFuzzer] use fflush after every Printf
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llvm-svn: 264459
2016-03-25 20:31:26 +00:00
Kostya Serebryany
f389ae12c1
[libFuzzer] handle SIGTERM
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llvm-svn: 264338
2016-03-24 21:03:58 +00:00
Kostya Serebryany
315167339e
[libFuzzer] don't report memory leaks if we are dying due to a timeout (just use _Exit instead of exit in the timeout callback)
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llvm-svn: 264237
2016-03-24 01:32:08 +00:00
Kostya Serebryany
6278f933a8
[libFuzzer] use fdopen+vfprintf instead of fsnprintf+write
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llvm-svn: 264230
2016-03-24 00:57:32 +00:00
Kostya Serebryany
49e409068a
[libFuzzer] add a flag close_fd_mask so that we can silence spammy targets by closing stderr/stdout
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llvm-svn: 263831
2016-03-18 20:58:29 +00:00
Benjamin Kramer
d96b0c14fb
[Fuzzer] Guard no_sanitize_memory attributes behind __has_feature.
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Otherwise GCC fails to build it because it doesn't know the attribute.
llvm-svn: 263787
2016-03-18 14:19:19 +00:00
Kostya Serebryany
c43b584c1c
[libFuzzer] read corpus dirs recursively
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llvm-svn: 263773
2016-03-18 01:36:00 +00:00
Kostya Serebryany
945761b8c2
[libFuzzer] improve -merge functionality
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llvm-svn: 263769
2016-03-18 00:23:29 +00:00
Kostya Serebryany
c5575aabd6
[libFuzzer] deprecate several flags
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llvm-svn: 263739
2016-03-17 19:59:39 +00:00
Kostya Serebryany
23dbc390af
[libFuzzer] add __attribute__((no_sanitize_memory)) to two functions that may be called from signal handler(s) or from msan. This will hopefully avoid msan false reports which I can't reproduce
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llvm-svn: 263737
2016-03-17 19:42:35 +00:00
Mike Aizatsky
298516ffa9
[libfuzzer] speeding up corpus load
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llvm-svn: 263591
2016-03-15 21:47:21 +00:00
Kostya Serebryany
0c5e3af862
[libFuzzer] use max_len exactly equal to the max size of input. Fix 32-bit build
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llvm-svn: 263518
2016-03-15 01:28:00 +00:00
Kostya Serebryany
64d24578d8
[libFuzzer] try to use max_len based on the items of the corpus instead of blindly defaulting to 64 bytes.
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llvm-svn: 263323
2016-03-12 01:57:04 +00:00
Mike Aizatsky
243fe2b3a0
[libfuzzer] adding std:string to allowed adaptable argument.
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llvm-svn: 262757
2016-03-04 23:18:01 +00:00
Kostya Serebryany
5c3701c621
[libFuzzer] log less when re-loading files; fix a silly bug: when running single files actually run all of them, not just the first one
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llvm-svn: 262754
2016-03-04 22:35:40 +00:00
Mike Aizatsky
b8627a89a6
[libfuzzer] arbitrary function adapter.
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The adapter automates converting sequence of bytes into arbitrary
arguments.
Differential Revision: http://reviews.llvm.org/D17829
llvm-svn: 262673
2016-03-03 23:45:29 +00:00
Kostya Serebryany
e483ed2825
[libFuzzer] when interrupted, call _Exit() instead of exit()
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llvm-svn: 262667
2016-03-03 22:36:37 +00:00
Kostya Serebryany
4394b31e1d
[libFuzzer] add -Werror for libFuzzer build rule
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llvm-svn: 262517
2016-03-02 21:08:16 +00:00
Dmitry Vyukov
2eed1218e5
libfuzzer: fix compiler warnings
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- unused sigaction/setitimer result (used in assert)
- unchecked fscanf return value
- signed/unsigned comparison
llvm-svn: 262472
2016-03-02 09:54:40 +00:00
Kostya Serebryany
3d95dd9149
[libFuzzer] deprecate exit_on_first flag
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llvm-svn: 262417
2016-03-01 22:33:14 +00:00
Kostya Serebryany
228d5b1ce4
[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.
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llvm-svn: 262415
2016-03-01 22:19:21 +00:00
Kostya Serebryany
f84df30e4f
[libFuzzer] remove FuzzerSanitizerOptions.cpp
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llvm-svn: 262354
2016-03-01 17:46:32 +00:00
Rafael Espindola
5cd721ae12
Refactor duplicated code for linking with pthread.
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llvm-svn: 262344
2016-03-01 15:54:40 +00:00
Kostya Serebryany
bf821db932
[libFuzzer] fixing the bot
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llvm-svn: 262106
2016-02-27 03:14:23 +00:00
Kostya Serebryany
2d4f8f168b
[libFuzzer] speedup path coverage handling
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llvm-svn: 262102
2016-02-27 01:50:16 +00:00
Kostya Serebryany
66ff0756e4
[libFuzzer] add -print_final_stats=1 flag
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llvm-svn: 262084
2016-02-26 22:42:23 +00:00
Kostya Serebryany
da63c1d09a
[libFuzzer] initial implementation of path coverage based on -fsanitize-coverage=trace-pc. This does not scale well yet, but already cracks FullCoverageSetTest in seconds
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llvm-svn: 262073
2016-02-26 21:33:56 +00:00
Kostya Serebryany
a35f7d383f
[libFuzzer] only read MaxLen bytes from every file in the corpus to speedup loading the corpus
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llvm-svn: 261267
2016-02-18 21:49:10 +00:00
Kostya Serebryany
90bcdb512b
[libFuzzer] fix the libFuzzer bot
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llvm-svn: 261184
2016-02-18 02:02:40 +00:00
Kostya Serebryany
cfbcf9097d
[libFuzzer] don't timeout when loading the corpus. Be a bit more verbose when loading large corpus.
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llvm-svn: 261143
2016-02-17 19:42:34 +00:00
Kostya Serebryany
8a5bef0fcf
[libFuzzer] remove std::vector operations from hot paths, NFC
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llvm-svn: 260829
2016-02-13 17:56:51 +00:00
Kostya Serebryany
1deb0498f5
[libFuzzer] don't require seed in fuzzer::Mutate, instead use the global Fuzzer object for fuzzer::Mutate. This makes custom mutators fast
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llvm-svn: 260810
2016-02-13 06:24:18 +00:00
Kostya Serebryany
29bcb9f54e
[libFuzzer] remove the C++-ish variant of FuzzerDriver from the interface
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llvm-svn: 260801
2016-02-13 03:59:26 +00:00
Kostya Serebryany
23194963f7
[libFuzzer] simplify CTOR of MutationDispatcher
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llvm-svn: 260800
2016-02-13 03:46:26 +00:00
Kostya Serebryany
292cf0379c
[libFuzzer] get rid of MutationDispatcher::Impl (simplify the code; NFC)
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llvm-svn: 260799
2016-02-13 03:37:24 +00:00
Kostya Serebryany
7ec0c56e07
[libFuzzer] get rid of UserSuppliedFuzzer; NFC
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llvm-svn: 260798
2016-02-13 03:25:16 +00:00
Kostya Serebryany
a399221c32
[libFuzzer] simplify the code around Random. NFC
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llvm-svn: 260797
2016-02-13 03:00:53 +00:00
Kostya Serebryany
ecab57b3ce
[libFuzzer] remove UserSuppliedFuzzer from the interface (it was a bad idea).
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llvm-svn: 260796
2016-02-13 02:39:30 +00:00
Kostya Serebryany
22cc5e2375
[libFuzzer] provide a plain C interface for custom mutators (experimental)
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llvm-svn: 260794
2016-02-13 02:29:38 +00:00
Kostya Serebryany
9d14e4bb15
[libFuzzer] make -runs=N flag also affect the simple runner (will execute every input N times)
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llvm-svn: 260649
2016-02-12 02:32:03 +00:00
Mike Aizatsky
fcb06b4aa5
[libfuzzer] Removing coverage-related flags from asan options.
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Summary:
Reasons to remove are twofold:
- we don't really need coverage=1 for libfuzzer operation
- makes controlling coverage for fuzzer processes non-trivial.
Differential Revision: http://reviews.llvm.org/D17168
llvm-svn: 260611
2016-02-11 22:20:34 +00:00
Kostya Serebryany
ce925c580e
[libFuzzer] hot fix a test
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llvm-svn: 259732
2016-02-04 00:12:28 +00:00
Kostya Serebryany
b92602ada0
[libFuzzer] don't write the test unit when a leak is detected (since we don't know which unit causes the leak)
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llvm-svn: 259731
2016-02-04 00:02:17 +00:00
Kostya Serebryany
d88d1305c4
[libFuzzer] don't create too many trace-based mutations as it may be too slow
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llvm-svn: 259600
2016-02-02 23:17:45 +00:00
Kostya Serebryany
bfbe7fc404
[libFuzzer] allow passing 1 or more files as individual inputs
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llvm-svn: 259459
2016-02-02 03:03:47 +00:00
Kostya Serebryany
078e984d8d
[libFuzzer] fail if the corpus dir does not exist
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llvm-svn: 259454
2016-02-02 02:07:26 +00:00