Fixes: Infinite loop Fixes: 27292/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5731168991051776
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/iff.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/iff.c b/libavformat/iff.c index a70184f105..f017684620 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -259,6 +259,9 @@ static int parse_dsd_prop(AVFormatContext *s, AVStream *st, uint64_t eof) uint64_t size = avio_rb64(pb); uint64_t orig_pos = avio_tell(pb); + if (size >= INT64_MAX) + return AVERROR_INVALIDDATA; + switch(tag) { case MKTAG('A','B','S','S'): if (size < 8) -- 2.17.1 _______________________________________________ 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".
