diff mbox series

[5.13,228/266] lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE

Message ID 20210715182649.403467594@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH July 15, 2021, 6:39 p.m. UTC 
From: Kees Cook <keescook@chromium.org>

commit a15676ac8f24a9ac5fd881cf17be4be13fa0910a upstream.

When built under CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS, this test is
expected to fail (i.e. not trip an exception).

Fixes: 46d1a0f03d66 ("selftests/lkdtm: Add tests for LKDTM targets")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210623203936.3151093-5-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/misc/lkdtm/bugs.c |    3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

--- a/drivers/misc/lkdtm/bugs.c
+++ b/drivers/misc/lkdtm/bugs.c
@@ -161,6 +161,9 @@  void lkdtm_UNALIGNED_LOAD_STORE_WRITE(vo
 	if (*p == 0)
 		val = 0x87654321;
 	*p = val;
+
+	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS))
+		pr_err("XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS\n");
 }
 
 void lkdtm_SOFTLOCKUP(void)