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lkdtm/bugs: XFAIL UNALIGNED_LOAD_STORE_WRITE

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commit a15676ac8f upstream.

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

Fixes: 46d1a0f03d ("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>
This commit is contained in:
Kees Cook
2021-06-23 13:39:31 -07:00
committed by Greg Kroah-Hartman
parent baedb1f5a0
commit 0af643fa7e
1 changed files with 3 additions and 0 deletions
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3
drivers/misc/lkdtm/bugs.c
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@@ -144,6 +144,9 @@ void lkdtm_UNALIGNED_LOAD_STORE_WRITE(void)
if (*p == 0) if (*p == 0)
val = 0x87654321; val = 0x87654321;
*p = val; *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) void lkdtm_SOFTLOCKUP(void)