ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Thu Jun 3 22:46:05 2021 +0200| [a0a4a527c3b0819368d9b148542bb7663f39df79] | committer: Michael Niedermayer
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 <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a0a4a527c3b0819368d9b148542bb7663f39df79 --- libavformat/rpl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/rpl.c b/libavformat/rpl.c index de32490fbe..fac377b68e 100644 --- a/libavformat/rpl.c +++ b/libavformat/rpl.c @@ -339,7 +339,7 @@ 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); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
