From 4ecac816780dbb3d3297885856bde6e53a5f7708 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 16 Dec 2013 04:31:52 +0100 Subject: [PATCH] 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 --- libavformat/psxstr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavformat/psxstr.c b/libavformat/psxstr.c index 3409d6a5af..5efcadf64e 100644 --- a/libavformat/psxstr.c +++ b/libavformat/psxstr.c @@ -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 =