On 7/11/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: out of array access > Fixes: > 15540/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-5684905029140480 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/pngdec.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c > index 5209e342db..bf5a5191cc 100644 > --- a/libavcodec/pngdec.c > +++ b/libavcodec/pngdec.c > @@ -1391,6 +1391,9 @@ exit_loop: > if (CONFIG_PNG_DECODER && avctx->codec_id != AV_CODEC_ID_APNG) > handle_p_frame_png(s, p); > else if (CONFIG_APNG_DECODER && > + s->previous_picture.f->width == p->width && > + s->previous_picture.f->height== p->height && > + s->previous_picture.f->format== p->format && > avctx->codec_id == AV_CODEC_ID_APNG && > (ret = handle_p_frame_apng(avctx, s, p)) < 0) > goto fail; > -- > 2.22.0
Probably OK _______________________________________________ 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".
