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Code Issues Releases Activity

avcodec/flacdec: Fix signed integer overflow in decode_subframe_fixed()

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Fixes undefined behavior
Fixes: 640912-media

Found-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-12-03 17:05:43 +01:00
parent acc163c6ab
commit 83a75bf6c3
1 changed files with 2 additions and 1 deletions
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3
libavcodec/flacdec.c
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@ -268,7 +268,8 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
int pred_order, int bps)
{
const int blocksize = s->blocksize;
int av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d), i;
unsigned av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d);
int i;
int ret;
/* warm up samples */