On Wed, Sep 01, 2021 at 09:50:20AM +1000, Peter Ross wrote: > On Tue, Aug 31, 2021 at 08:33:41PM +0200, Michael Niedermayer wrote: > > Fixes: Timeout > > Fixes: > > 36875/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PICTOR_fuzzer-4842960888922112 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/pictordec.c | 5 ++--- > > 1 file changed, 2 insertions(+), 3 deletions(-) > > > > diff --git a/libavcodec/pictordec.c b/libavcodec/pictordec.c > > index c37c5e7106..c7b3a335d3 100644 > > --- a/libavcodec/pictordec.c > > +++ b/libavcodec/pictordec.c > > @@ -89,8 +89,7 @@ static void picmemset(PicContext *s, AVFrame *frame, > > unsigned value, int run, > > d = frame->data[0] + yl * frame->linesize[0]; > > if (s->nb_planes == 1 && > > run*pixels_per_value >= s->width && > > - pixels_per_value < s->width && > > - s->width % pixels_per_value == 0 > > + pixels_per_value < (s->width / pixels_per_value * > > pixels_per_value) > > ) { > > for (; xl < pixels_per_value; xl ++) { > > j = (j < bits_per_plane ? 8 : j) - bits_per_plane; > > @@ -98,7 +97,7 @@ static void picmemset(PicContext *s, AVFrame *frame, > > unsigned value, int run, > > } > > av_memcpy_backptr(d+xl, pixels_per_value, s->width - > > xl); > > run -= s->width / pixels_per_value; > > - xl = s->width; > > + xl = s->width / pixels_per_value * pixels_per_value; > > } > > } > > } > > -- > > 2.17.1 > > i have tested this against variety of samples. please apply.
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws. -- Plato
signature.asc
Description: PGP signature
_______________________________________________ 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".
