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avcodec/binkaudio: clear padding area of packet_buffer 

Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f0dba198b34_2970_Snd0a3a2ad4.dee
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-01 03:30:16 +01:00
parent 3d8eeea620
commit 07728a1115
1 changed files with 1 additions and 0 deletions
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libavcodec/binkaudio.c
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@ -306,6 +306,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
buf = av_realloc(s->packet_buffer, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!buf)
return AVERROR(ENOMEM);
memset(buf + avpkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
s->packet_buffer = buf;
memcpy(s->packet_buffer, avpkt->data, avpkt->size);
if ((ret = init_get_bits8(gb, s->packet_buffer, avpkt->size)) < 0)