diff options
| author | Michael Niedermayer <[email protected]> | 2021-01-20 00:11:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2021-10-09 22:02:20 +0200 |
| commit | 3374ed3d42a4faf709cc14f494cdfdfa251c1d75 (patch) | |
| tree | ca6098da781467f93d86a5381519c68317b82889 | |
| parent | cf8a7b7b4e78df0c020d17281a1af8e11490aaad (diff) | |
avformat/paf: Check for EOF before allocation in read_header()
Fixes: OOM
Fixes: 26584/clusterfuzz-testcase-minimized-ffmpeg_dem_PAF_fuzzer-5172661183053824
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit bcb1e9d3b9b97359e01e5978067c8ee558efa8b4)
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavformat/paf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/paf.c b/libavformat/paf.c index a2d411c2f6..47b61c226a 100644 --- a/libavformat/paf.c +++ b/libavformat/paf.c @@ -136,6 +136,10 @@ static int read_header(AVFormatContext *s) p->start_offset = avio_rl32(pb); p->max_video_blks = avio_rl32(pb); p->max_audio_blks = avio_rl32(pb); + + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; + if (p->buffer_size < 175 || p->max_audio_blks < 2 || p->max_video_blks < 1 || |