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avcodec/nuv: zero buffer padding

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Fixes use of uninitialized memory
Fixes msan_uninit-mem_7f4a141261de_7405_nirvana.nuv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-18 18:14:24 +01:00
parent 1935173fd1
commit 4a2570f50a
1 changed files with 1 additions and 0 deletions
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libavcodec/nuv.c
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@ -218,6 +218,7 @@ retry:
} }
buf = c->decomp_buf; buf = c->decomp_buf;
buf_size = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen; buf_size = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen;
memset(c->decomp_buf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
} }
if (c->codec_frameheader) { if (c->codec_frameheader) {
int w, h, q; int w, h, q;