From 57e570b508d967785b758e54c505db76c1597927 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Tue, 19 May 2020 08:30:05 +0200 Subject: [PATCH] checkasm/sw_scale: Fix stack-buffer-overflow A buffer whose size is not a multiple of four has been initialized using consecutive writes of 32bits. This results in a stack-buffer-overflow reported by ASAN in the checkasm-sw_scale FATE-test. Reviewed-by: Michael Niedermayer Signed-off-by: Andreas Rheinhardt --- tests/checkasm/sw_scale.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/checkasm/sw_scale.c b/tests/checkasm/sw_scale.c index 2680e47897..9efa2b4def 100644 --- a/tests/checkasm/sw_scale.c +++ b/tests/checkasm/sw_scale.c @@ -53,7 +53,7 @@ static void check_hscale(void) struct SwsContext *ctx; // padded - LOCAL_ALIGNED_32(uint8_t, src, [SRC_PIXELS + MAX_FILTER_WIDTH - 1]); + LOCAL_ALIGNED_32(uint8_t, src, [FFALIGN(SRC_PIXELS + MAX_FILTER_WIDTH - 1, 4)]); LOCAL_ALIGNED_32(uint32_t, dst0, [SRC_PIXELS]); LOCAL_ALIGNED_32(uint32_t, dst1, [SRC_PIXELS]);