On 5/29/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Improves: Timeout (355sec -> 97sec) > Improves: > 14709/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GDV_fuzzer-5704215281795072 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > --- > libavcodec/gdv.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c > index 9cf30c09e4..a5ce6b799e 100644 > --- a/libavcodec/gdv.c > +++ b/libavcodec/gdv.c > @@ -308,7 +308,7 @@ static int decompress_5(AVCodecContext *avctx, unsigned > skip) > int len; > int b = bytestream2_get_byte(gb); > if (b == 0) { > - break; > + return 0;
Why? > } > if (b != 0xFF) { > len = b; > @@ -323,6 +323,8 @@ static int decompress_5(AVCodecContext *avctx, unsigned > skip) > lz_copy(pb, g2, off, len); > } > } > + if (bytestream2_get_bytes_left_p(pb) > 0) > + return AVERROR_INVALIDDATA; > return 0; > } > > @@ -445,6 +447,9 @@ static int decompress_68(AVCodecContext *avctx, unsigned > skip, unsigned use8) > } > } > > + if (bytestream2_get_bytes_left_p(pb) > 0) > + return AVERROR_INVALIDDATA; > + > return 0; > } > > -- > 2.21.0 > > _______________________________________________ > 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". _______________________________________________ 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".