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

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