From d7eb8d84757155c1fb0fe1a8269025e22e9bf0ec Mon Sep 17 00:00:00 2001 From: Andrey Semashev Date: Thu, 24 May 2018 00:07:36 +0300 Subject: [PATCH] lavfi/tests: Fix 16-bit vf_blend test to avoid memory not aligned to 2 bytes Generic C implementation of vf_blend performs reads and writes of 16-bit elements, which requires the buffers to be aligned to at least 2-byte boundary. Also, the change fixes source buffer overrun caused by src_offset being added to to test handling of misaligned buffers. Fixes: #7226 Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- tests/checkasm/vf_blend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/checkasm/vf_blend.c b/tests/checkasm/vf_blend.c index 912f3a2c38b..a7578fec393 100644 --- a/tests/checkasm/vf_blend.c +++ b/tests/checkasm/vf_blend.c @@ -71,7 +71,7 @@ w = WIDTH / depth; \ \ for (i = 0; i < BUF_UNITS - 1; i++) { \ - int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */ \ + int src_offset = i * SIZE_PER_UNIT + (BUF_UNITS - 1 - i) * depth; /* Test various alignments */ \ int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \ randomize_buffers(); \ call_ref(top1 + src_offset, w, bot1 + src_offset, w, \ -- 2.39.2