From 3118e3b137323785d131e1448c6718e9f649de73 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 15 Apr 2012 16:40:49 +0200 Subject: [PATCH] ff_lag_rac_init: fix signedness error leading to out of array read. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/lagarithrac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/lagarithrac.c b/libavcodec/lagarithrac.c index 9f7bc41ef5..895acb0d35 100644 --- a/libavcodec/lagarithrac.c +++ b/libavcodec/lagarithrac.c @@ -45,7 +45,7 @@ void ff_lag_rac_init(lag_rac *l, GetBitContext *gb, int length) l->range = 0x80; l->low = *l->bytestream >> 1; - l->hash_shift = FFMAX(l->scale - 8, 0); + l->hash_shift = FFMAX((int)l->scale - 8, 0); for (i = j = 0; i < 256; i++) { unsigned r = i << l->hash_shift;