mirrors/librempeg
1
0
Fork 0
mirror of https://github.com/librempeg/librempeg synced 2024-11-22 18:49:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

avformat/mov: clear padding area in mov_read_extradata()

Browse Source 
Fixes: msan_uninit-mem_7f58816b71e3_7025_mov_svq3___svq3_weird_prediction2.mov
Fixes use of uninitialized memory
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-28 03:41:29 +01:00
parent 4156df59f5
commit 8efde6d80c
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libavformat/mov.c
View File

@ -1010,6 +1010,7 @@ static int mov_read_extradata(MOVContext *c, AVIOContext *pb, MOVAtom atom,
av_log(c->fc, AV_LOG_WARNING, "truncated extradata\n"); av_log(c->fc, AV_LOG_WARNING, "truncated extradata\n");
st->codec->extradata_size -= atom.size - err; st->codec->extradata_size -= atom.size - err;
} }
memset(buf + 8 + err, 0, FF_INPUT_BUFFER_PADDING_SIZE);
return 0; return 0;
} }