Fixes: use-of-uninitialized-value Fixes: 70849/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGPS_fuzzer-4684401009557504
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mpeg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c index c3dff3e4ea2..262e398fa5e 100644 --- a/libavformat/mpeg.c +++ b/libavformat/mpeg.c @@ -566,7 +566,9 @@ redo: static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 }; unsigned char buf[8]; - avio_read(s->pb, buf, 8); + ret = avio_read(s->pb, buf, 8); + if (ret < 0) + return ret; avio_seek(s->pb, -8, SEEK_CUR); if (!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1)) codec_id = AV_CODEC_ID_CAVS; -- 2.45.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
