ffmpeg | branch: release/5.0 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Aug 22 22:10:09 2022 +0200| [a221a3bfafb152a9514e185376332b898f20b1c0] | committer: Michael Niedermayer
libavcodec/8bps: Check that line lengths fit within the buffer Fixes: Timeout Fixes: undefined pointer arithmetic Fixes: 50330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EIGHTBPS_fuzzer-5436287485607936 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 2316d5ec1a95b13ff9a0ce80409fa367a041966d) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a221a3bfafb152a9514e185376332b898f20b1c0 --- libavcodec/8bps.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c index 6865b9b12e..a84999b455 100644 --- a/libavcodec/8bps.c +++ b/libavcodec/8bps.c @@ -71,6 +71,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, unsigned char *planemap = c->planemap; int ret; + if (buf_size < planes * height *2) + return AVERROR_INVALIDDATA; + if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; _______________________________________________ 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".
