diff options
| -rw-r--r-- | security/smack/smack_lsm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 6777295f4b2b..e96080eaacbb 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -2227,6 +2227,9 @@ static int smack_task_kill(struct task_struct *p, struct siginfo *info, struct smack_known *tkp = smk_of_task_struct(p); int rc; + if (!sig) + return 0; /* null signal; existence test */ + smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_TASK); smk_ad_setfield_u_tsk(&ad, p); /* |