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avcodec/wnv1: clear padding area of rbuf

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Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7faa48586020_2145_MAILTEST.AVI
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-23 18:09:58 +01:00
parent ec73bd1fe8
commit 14bec7dcf8
1 changed files with 1 additions and 0 deletions
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libavcodec/wnv1.c
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@ -78,6 +78,7 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");
return AVERROR(ENOMEM);
}
memset(rbuf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
av_free(rbuf);