ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Nov 9 20:42:56 2020 +0100| [7540d60bf687ae1f18927c5e6c3dbd317df9f35e] | committer: Michael Niedermayer
avformat/dhav: Break out of infinite dhav search loop Fixes: Infinite loop Fixes: 26922/clusterfuzz-testcase-minimized-ffmpeg_dem_DHAV_fuzzer-5794549613723648 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7540d60bf687ae1f18927c5e6c3dbd317df9f35e --- libavformat/dhav.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/dhav.c b/libavformat/dhav.c index 6a6c235e65..526331ae4c 100644 --- a/libavformat/dhav.c +++ b/libavformat/dhav.c @@ -281,6 +281,8 @@ static int dhav_read_header(AVFormatContext *s) int seek_back; seek_back = avio_rl32(s->pb) + 8; + if (seek_back < 9) + break; dhav->last_good_pos = avio_tell(s->pb); avio_seek(s->pb, -seek_back, SEEK_CUR); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
