RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-01-04 22:30:25 +00:00
Code Issues Projects Releases Wiki Activity

avcodec/msmpeg4dec: initialize dir_ptr in error cases

Browse Source 
Fixes use of uinitialized memory
Fixes: msan_uninit-mem_7f01b8799186_7278_msnaudio.asf
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-15 13:22:57 +01:00
parent 81230e2612
commit 61edda9a4a
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/msmpeg4dec.c
View File

@ -588,6 +588,7 @@ static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
} }
if (level < 0) { if (level < 0) {
av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n"); av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n");
*dir_ptr = 0;
return -1; return -1;
} }
level-=256; level-=256;
@ -599,6 +600,7 @@ static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
} }
if (level < 0){ if (level < 0){
av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n"); av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n");
*dir_ptr = 0;
return -1; return -1;
} }