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lkdtm: include WARN format string

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In order to test the ordering of WARN format strings, actually include
one in LKDTM.

Link: http://lkml.kernel.org/r/1510100869-73751-2-git-send-email-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kees Cook 2017-11-17 15:27:17 -08:00 • committed by Linus Torvalds
parent d15809f364
commit d32f11ba28
1 changed files with 3 additions and 1 deletions
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4
drivers/misc/lkdtm_bugs.c
View file

@ -63,9 +63,11 @@ void lkdtm_BUG(void)
BUG(); BUG();
} }
static int warn_counter;
void lkdtm_WARNING(void) void lkdtm_WARNING(void)
{ {
WARN_ON(1); WARN(1, "Warning message trigger count: %d\n", warn_counter++);
} }
void lkdtm_EXCEPTION(void) void lkdtm_EXCEPTION(void)