Message ID | 20180523210736.30556-1-andrey.semashev@gmail.com |
---|---|
State | Accepted |
Commit | d7eb8d84757155c1fb0fe1a8269025e22e9bf0ec |
Headers | show |
On 05/24/18 00:07, Andrey Semashev wrote: > 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 Ping? Any comments? > --- > 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, \ >
On 5/29/18, Andrey Semashev <andrey.semashev@gmail.com> wrote: > On 05/24/18 00:07, Andrey Semashev wrote: >> 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 > > Ping? Any comments? Should be OK.
On Tue, May 29, 2018 at 02:41:33PM +0200, Paul B Mahol wrote: > On 5/29/18, Andrey Semashev <andrey.semashev@gmail.com> wrote: > > On 05/24/18 00:07, Andrey Semashev wrote: > >> 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 > > > > Ping? Any comments? > > Should be OK. will apply unless someone else does before thx [...]
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, \