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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-19 17:54:10 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-09-13 10:40:02 +0200 |
| commit | e3af2a07562c020c960f40bee00f9a78a8b9baf8 (patch) | |
| tree | 141d640181f858fa7d4e4bf052ee74b73acac317 /tools/target_dem_fuzzer.c | |
| parent | f5a61a1728cba3fdd19370e8a020063676604efa (diff) | |
| download | ffmpeg-e3af2a07562c020c960f40bee00f9a78a8b9baf8.tar.gz | |
tools:target_dem_fuzzer: Split into a fuzzer fuzzing at the protocol level and one fuzzing a fixed demuxer input
This should improve coverage and should improve the efficiency of seed files
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'tools/target_dem_fuzzer.c')
| -rw-r--r-- | tools/target_dem_fuzzer.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/target_dem_fuzzer.c b/tools/target_dem_fuzzer.c index b8356c5aa1..eefb5c5fa3 100644 --- a/tools/target_dem_fuzzer.c +++ b/tools/target_dem_fuzzer.c @@ -76,6 +76,10 @@ static int64_t io_seek(void *opaque, int64_t offset, int whence) } if (offset < 0 || offset > c->filesize) return -1; + if (IO_FLAT) { + c->fuzz += offset - c->pos; + c->fuzz_size -= offset - c->pos; + } c->pos = offset; return 0; } @@ -110,7 +114,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { if (!avfmt) error("Failed avformat_alloc_context()"); - if (size > 2048) { + if (IO_FLAT) { + seekable = 1; + io_buffer_size = size; + } else if (size > 2048) { int flags; char extension[64]; |