openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-23 19:30:05 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

avcodec/loco: Check for end of input in the first line

Browse Source 
Fixes: Timeout (85sec -> 0.1sec)
Fixes: 17634/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LOCO_fuzzer-5666410809786368

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-09-25 21:48:26 +02:00
parent 2acbbe2623
commit c5a52eb5cd
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/loco.c
View File

@ -155,6 +155,8 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
/* restore top line */ /* restore top line */
for (i = 1; i < width; i++) { for (i = 1; i < width; i++) {
val = loco_get_rice(&rc); val = loco_get_rice(&rc);
if (val == INT_MIN)
return AVERROR_INVALIDDATA;
data[i] = data[i - 1] + val; data[i] = data[i - 1] + val;
} }
data += stride; data += stride;