MrBesen
/
ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avformat/psxstr: zero packet to prevent uninitialized data to leak through to the decoder 

Fixes: msan_uninit-mem_7f150abf2e84_4817_descent-partial.str
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-16 04:31:52 +01:00
parent f618cb1a4b
commit 4ecac81678
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/psxstr.c
View File

@ -221,6 +221,7 @@ static int str_read_packet(AVFormatContext *s,
av_free_packet(pkt);
if (av_new_packet(pkt, sector_count*VIDEO_DATA_CHUNK_SIZE))
return AVERROR(EIO);
memset(pkt->data, 0, sector_count*VIDEO_DATA_CHUNK_SIZE);
pkt->pos= avio_tell(pb) - RAW_CD_SECTOR_SIZE;
pkt->stream_index =