On Wed, Oct 28, 2020 at 11:54:16PM +0100, Marton Balint wrote: > > > On Tue, 20 Oct 2020, Michael Niedermayer wrote: > > > Fixes: division by zero > > Fixes: > > 26459/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5666350112178176 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/mpegts.c | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c > > index f750989629..3085371c58 100644 > > --- a/libavformat/mpegts.c > > +++ b/libavformat/mpegts.c > > @@ -3139,8 +3139,10 @@ static int mpegts_read_header(AVFormatContext *s) > > /* NOTE2: it is only the bitrate of the start of the stream */ > > ts->pcr_incr = (pcrs[1] - pcrs[0]) / (packet_count[1] - > > packet_count[0]); > > Can't this cause division by zero as well?
i think not but the patch has another issue, iwill post a better one [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Its not that you shouldnt use gotos but rather that you should write readable code and code with gotos often but not always is less readable
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