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LSM: Don't ignore initialization failures

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LSM initialization failures have traditionally been ignored. We should
at least WARN when something goes wrong.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
Kees Cook 2018-10-10 17:18:26 -07:00 • committed by James Morris
parent 9b8c7c1405
commit 3f6caaf5ff
1 changed files with 3 additions and 1 deletions
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4
security/security.c
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@ -55,10 +55,12 @@ static __initdata bool debug;
static void __init major_lsm_init(void) static void __init major_lsm_init(void)
{ {
struct lsm_info *lsm; struct lsm_info *lsm;
int ret;
for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) { for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {
init_debug("initializing %s\n", lsm->name); init_debug("initializing %s\n", lsm->name);
lsm->init(); ret = lsm->init();
WARN(ret, "%s failed to initialize: %d\n", lsm->name, ret);
} }
} }