From 635256a324f4644bbfa2f4332e950a183f82c4c9 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Fri, 30 Sep 2011 00:05:53 +0200 Subject: [PATCH] Fix out of bound writes in fix_bitshift() of the shorten decoder. The data pointers s->decoded[*] already take into account s->nwrap. Signed-off-by: Michael Niedermayer (cherry picked from commit f42b3195d3f2692a4dfc0a8668bb4ac35301f2ed) (cherry picked from commit 107ea3057eb8de8a38c45c2f7181c42ea694b187) Signed-off-by: Michael Niedermayer --- libavcodec/shorten.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 053f5c2ed1..f8d2ff97fe 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -147,7 +147,7 @@ static void fix_bitshift(ShortenContext *s, int32_t *buffer) if (s->bitshift != 0) for (i = 0; i < s->blocksize; i++) - buffer[s->nwrap + i] <<= s->bitshift; + buffer[i] <<= s->bitshift; }