Michael Niedermayer: > Fixes: heap-buffer-overflow > Fixes: > 26487/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer-5742553675333632 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/magicyuv.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c > index ea1f727e5c..e2b7bdd326 100644 > --- a/libavcodec/magicyuv.c > +++ b/libavcodec/magicyuv.c > @@ -267,6 +267,9 @@ static int magy_decode_slice(AVCodecContext *avctx, void > *tdata, > const uint8_t *slice = s->buf + s->slices[i][j].start; > int flags, pred; > > + if (s->slices[i][j].size < 2) > + return AVERROR_INVALIDDATA; > + > flags = bytestream_get_byte(&slice); > pred = bytestream_get_byte(&slice); > > It would be better to add this to line 625 to error out earlier (that's where I forgot to check).
- 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".
