ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Oct 17 23:57:26 2019 +0200| [17603094d57faf95bee00d557fe6de84a05352ef] | committer: Michael Niedermayer
avcodec/rasc: Check input size in decode_fint() Fixes: Timeout (11sec -> 42ms) Fixes: 18287/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5637866331308032 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=17603094d57faf95bee00d557fe6de84a05352ef --- libavcodec/rasc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/rasc.c b/libavcodec/rasc.c index 21fc43f325..cdf20a6db9 100644 --- a/libavcodec/rasc.c +++ b/libavcodec/rasc.c @@ -124,6 +124,8 @@ static int decode_fint(AVCodecContext *avctx, clear_plane(avctx, s->frame1); return 0; } + if (bytestream2_get_bytes_left(gb) < 72) + return AVERROR_INVALIDDATA; bytestream2_skip(gb, 8); w = bytestream2_get_le32(gb); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
