RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/wnv1: Check for width =1 

The decoder only outputs pixels for width >1 images, fail early

Fixes: Timeout
Fixes: 48298/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WNV1_fuzzer-6198626319204352

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d98d5a436a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-07-03 02:31:47 +02:00
parent 2bfc334441
commit c065971bf8
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/wnv1.c
View File

@ -136,6 +136,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
{
static VLC_TYPE code_table[1 << CODE_VLC_BITS][2];
if (avctx->width <= 1)
return AVERROR_INVALIDDATA;
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
code_vlc.table = code_table;