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avcodec/wmalosslessdec: deallocate uninitialized frame on decode_tilehdr() failure

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Fixes use of uninitialized memory
partly fixes: msan_uninit-mem_7f7834b6a530_6473_luckynight-partial.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-01-11 01:59:20 +01:00
parent 03fff09b32
commit ae3856dcaf
1 changed files with 1 additions and 0 deletions
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libavcodec/wmalosslessdec.c
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@@ -1040,6 +1040,7 @@ static int decode_frame(WmallDecodeCtx *s)
/* decode tile information */ /* decode tile information */
if ((ret = decode_tilehdr(s))) { if ((ret = decode_tilehdr(s))) {
s->packet_loss = 1; s->packet_loss = 1;
av_frame_unref(s->frame);
return ret; return ret;
} }