Michael Niedermayer: > Fixes: Division by 0 > Fixes: > 44035/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-4826721386364928 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/matroskadec.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c > index 5a9acfb247..f433391a16 100644 > --- a/libavformat/matroskadec.c > +++ b/libavformat/matroskadec.c > @@ -4216,6 +4216,8 @@ static int64_t > webm_dash_manifest_compute_bandwidth(AVFormatContext *s, int64_t > do { > int64_t desc_bytes = desc_end.end_offset - > desc_beg.start_offset; > int64_t desc_ns = desc_end.end_time_ns - > desc_beg.start_time_ns; > + if (desc_bytes <= 0) > + return -1; > double desc_sec = desc_ns / nano_seconds_per_second; > double calc_bits_per_second = (desc_bytes * 8) / desc_sec; >
This should give a declaration-after-statement error. - Andreas _______________________________________________ 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".
