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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-06-03 22:46:05 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-09 13:54:52 +0200 |
| commit | d9c4cfba9f3d8634cfb9ecbc33a7771871885c01 (patch) | |
| tree | 216602e3db8226bbc1193e3f218066fe014d7caa /libavformat/rpl.c | |
| parent | 68765c25cd1534e685477c7bc21dbed5be979a8d (diff) | |
| download | ffmpeg-d9c4cfba9f3d8634cfb9ecbc33a7771871885c01.tar.gz | |
avformat/rpl: Check for EOF and zero framesize
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a0a4a527c3b0819368d9b148542bb7663f39df79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/rpl.c')
| -rw-r--r-- | libavformat/rpl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/rpl.c b/libavformat/rpl.c index 1b91cf4385..6b83c355a8 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -324,7 +324,7 @@ static int rpl_read_packet(AVFormatContext *s, AVPacket *pkt) avio_skip(pb, 4); /* flags */ frame_size = avio_rl32(pb); - if (avio_seek(pb, -8, SEEK_CUR) < 0) + if (avio_feof(pb) || avio_seek(pb, -8, SEEK_CUR) < 0 || !frame_size) return AVERROR(EIO); ret = av_get_packet(pb, pkt, frame_size); |