virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-06-04 05:57:49 +02:00
Code Issues Releases Activity

avcodec/ptx: Check that the input contains at least one line

Browse Source 
Fixes: Timeout (19sec -> 44ms)
Fixes: 17816/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PTX_fuzzer-5704459950227456

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 a6ad328256fe6a6ace7d1e15f3515afccf1247fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-10-02 22:05:52 +02:00
parent d08362ecbc
commit 2c6beca3dc
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/ptx.c
View File

@ -55,6 +55,9 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
buf += offset; buf += offset;
if (buf_end - buf < w * bytes_per_pixel)
return AVERROR_INVALIDDATA;
if ((ret = ff_set_dimensions(avctx, w, h)) < 0) if ((ret = ff_set_dimensions(avctx, w, h)) < 0)
return ret; return ret;