highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

avcodec/msrle: Check that the input is large enough to contain a end of picture code

Browse Source 
Fixes: Timeout
Fixes: 10625/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSRLE_fuzzer-5659651283091456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2018-10-21 14:40:14 +02:00
parent 87588caf8c
commit 203ccb8746
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/msrle.c
View File

@@ -95,6 +95,9 @@ static int msrle_decode_frame(AVCodecContext *avctx,
s->buf = buf; s->buf = buf;
s->size = buf_size; s->size = buf_size;
if (buf_size < 2) //Minimally a end of picture code should be there
return AVERROR_INVALIDDATA;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret; return ret;