sön 2019-04-28 klockan 11:42 +0200 skrev Michael Niedermayer: > Fixes: Timeout (16sec -> 125msec) > Fixes: > 14283/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CINEPAK_fuzzer-5742851457024000 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/cinepak.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/libavcodec/cinepak.c b/libavcodec/cinepak.c > index 9b0077402f..d26c505222 100644 > --- a/libavcodec/cinepak.c > +++ b/libavcodec/cinepak.c > @@ -353,6 +353,13 @@ static int cinepak_predecode_check (CinepakContext *s) > if (s->size < 10 + s->sega_film_skip_bytes + num_strips * 12) > return AVERROR_INVALIDDATA; > > + if (num_strips) { > + uint8_t *data = s->data + 10 + s->sega_film_skip_bytes; > + int strip_size = AV_RB24 (data + 1);
Should be OK since the check just before this ensures data[0..11] are valid /Tomas _______________________________________________ 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".