Fixes: infinite loop Fixes: 27834/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-5694930919620608
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 f017684620..0f570e4b26 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -402,6 +402,9 @@ static int read_dst_frame(AVFormatContext *s, AVPacket *pkt) break; } + if (data_size >= INT64_MAX) + return AVERROR_INVALIDDATA; + avio_skip(pb, data_size - (avio_tell(pb) - data_pos) + (data_size & 1)); } -- 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".
