ffmpeg | branch: release/4.1 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Dec 5 02:18:51 2018 +0100| [9b5a6bb67ba35b3442667964f9e3a7e330b10bdc] | committer: Michael Niedermayer
avcodec/rasc: Check input space before reading chunk Fixes: Timeout Fixes: 11118/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5652564066959360 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 52ba824c65817c1db6aad41c470dde7162252036) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9b5a6bb67ba35b3442667964f9e3a7e330b10bdc --- libavcodec/rasc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/rasc.c b/libavcodec/rasc.c index e8e0740ddd..67351dfd19 100644 --- a/libavcodec/rasc.c +++ b/libavcodec/rasc.c @@ -680,6 +680,9 @@ static int decode_frame(AVCodecContext *avctx, while (bytestream2_get_bytes_left(gb) > 0) { unsigned type, size = 0; + if (bytestream2_get_bytes_left(gb) < 8) + return AVERROR_INVALIDDATA; + type = bytestream2_get_le32(gb); if (type == KBND || type == BNDL) { intra = type == KBND; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
