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
---
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 912f3a2c38..a7578fec39 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,
\
--
2.17.0
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