2 files changed, 6 insertions, 3 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 821f0481ebe1..aaf723308ed4 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1153,7 +1153,7 @@ extern int force_sig_info(int, struct siginfo *, struct task_struct *);
 extern int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp);
 extern int kill_pg_info(int, struct siginfo *, pid_t);
 extern int kill_proc_info(int, struct siginfo *, pid_t);
-extern int kill_proc_info_as_uid(int, struct siginfo *, pid_t, uid_t, uid_t);
+extern int kill_proc_info_as_uid(int, struct siginfo *, pid_t, uid_t, uid_t, u32);
 extern void do_notify_parent(struct task_struct *, int);
 extern void force_sig(int, struct task_struct *);
 extern void force_sig_specific(int, struct task_struct *);
diff --git a/kernel/signal.c b/kernel/signal.c
index 52adf53929f6..477d11adf3d1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -584,7 +584,7 @@ static int check_kill_permission(int sig, struct siginfo *info,
             && !capable(CAP_KILL))
                 return error;
 
-        error = security_task_kill(t, info, sig);
+        error = security_task_kill(t, info, sig, 0);
         if (!error)
                 audit_signal_info(sig, t); /* Let audit system see the signal */
         return error;
@@ -1107,7 +1107,7 @@ kill_proc_info(int sig, struct siginfo *info, pid_t pid)
 
 /* like kill_proc_info(), but doesn't use uid/euid of "current" */
 int kill_proc_info_as_uid(int sig, struct siginfo *info, pid_t pid,
-                      uid_t uid, uid_t euid)
+                      uid_t uid, uid_t euid, u32 secid)
 {
         int ret = -EINVAL;
         struct task_struct *p;
@@ -1127,6 +1127,9 @@ int kill_proc_info_as_uid(int sig, struct siginfo *info, pid_t pid,
                 ret = -EPERM;
                 goto out_unlock;
         }
+        ret = security_task_kill(p, info, sig, secid);
+        if (ret)
+                goto out_unlock;
         if (sig && p->sighand) {
                 unsigned long flags;
                 spin_lock_irqsave(&p->sighand->siglock, flags);