Fixes: Timeout (too long -> 241ms) Fixes: 29083/clusterfuzz-testcase-minimized-ffmpeg_dem_SWF_fuzzer-6273684478230528
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/swfdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c index 1463f0ad4d..aa4be88f91 100644 --- a/libavformat/swfdec.c +++ b/libavformat/swfdec.c @@ -367,6 +367,9 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt) ff_dlog(s, "bitmap: ch=%d fmt=%d %dx%d (linesize=%d) len=%d->%ld pal=%d\n", ch_id, bmp_fmt, width, height, linesize, len, out_len, colormapsize); + if (len * 17373LL < out_len) + goto bitmap_end_skip; + zbuf = av_malloc(len); if (!zbuf) { res = AVERROR(ENOMEM); -- 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".
