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lkdtm/bugs: fix build error in lkdtm_EXHAUST_STACK

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lkdtm/bugs.c:94:2: error: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Werror=format=]
  pr_info("Calling function with %d frame size to depth %d ...\n",
  ^
THREAD_SIZE is defined as a unsigned long, cast CONFIG_FRAME_WARN to
unsigned long as well.

Fixes: 24cccab42c ("lkdtm/bugs: Adjust recursion test to avoid elision")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20190827173619.170065-1-rrangel@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Raul E Rangel 2019-08-27 11:36:19 -06:00 committed by Greg Kroah-Hartman
parent 587f174077
commit b9bc7b8b1e
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/lkdtm/bugs.c
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@ -22,7 +22,7 @@ struct lkdtm_list {
* recurse past the end of THREAD_SIZE by default.
*/
#if defined(CONFIG_FRAME_WARN) && (CONFIG_FRAME_WARN > 0)
#define REC_STACK_SIZE (CONFIG_FRAME_WARN / 2)
#define REC_STACK_SIZE (_AC(CONFIG_FRAME_WARN, UL) / 2)
#else
#define REC_STACK_SIZE (THREAD_SIZE / 8)
#endif
@ -91,7 +91,7 @@ void lkdtm_LOOP(void)
void lkdtm_EXHAUST_STACK(void)
{
pr_info("Calling function with %d frame size to depth %d ...\n",
pr_info("Calling function with %lu frame size to depth %d ...\n",
REC_STACK_SIZE, recur_count);
recursive_loop(recur_count);
pr_info("FAIL: survived without exhausting stack?!\n");