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-rw-r--r--kernel/signal.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index b373fc2420da..ea154104a00b 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2430,7 +2430,7 @@ sys_rt_sigqueueinfo(int pid, int sig, siginfo_t __user *uinfo)
2430} 2430}
2431 2431
2432int 2432int
2433do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact) 2433do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
2434{ 2434{
2435 struct k_sigaction *k; 2435 struct k_sigaction *k;
2436 sigset_t mask; 2436 sigset_t mask;
@@ -2454,6 +2454,8 @@ do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact)
2454 *oact = *k; 2454 *oact = *k;
2455 2455
2456 if (act) { 2456 if (act) {
2457 sigdelsetmask(&act->sa.sa_mask,
2458 sigmask(SIGKILL) | sigmask(SIGSTOP));
2457 /* 2459 /*
2458 * POSIX 3.3.1.3: 2460 * POSIX 3.3.1.3:
2459 * "Setting a signal action to SIG_IGN for a signal that is 2461 * "Setting a signal action to SIG_IGN for a signal that is
@@ -2479,8 +2481,6 @@ do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact)
2479 read_lock(&tasklist_lock); 2481 read_lock(&tasklist_lock);
2480 spin_lock_irq(&t->sighand->siglock); 2482 spin_lock_irq(&t->sighand->siglock);
2481 *k = *act; 2483 *k = *act;
2482 sigdelsetmask(&k->sa.sa_mask,
2483 sigmask(SIGKILL) | sigmask(SIGSTOP));
2484 sigemptyset(&mask); 2484 sigemptyset(&mask);
2485 sigaddset(&mask, sig); 2485 sigaddset(&mask, sig);
2486 rm_from_queue_full(&mask, &t->signal->shared_pending); 2486 rm_from_queue_full(&mask, &t->signal->shared_pending);
@@ -2495,8 +2495,6 @@ do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact)
2495 } 2495 }
2496 2496
2497 *k = *act; 2497 *k = *act;
2498 sigdelsetmask(&k->sa.sa_mask,
2499 sigmask(SIGKILL) | sigmask(SIGSTOP));
2500 } 2498 }
2501 2499
2502 spin_unlock_irq(&current->sighand->siglock); 2500 spin_unlock_irq(&current->sighand->siglock);
@@ -2702,6 +2700,7 @@ sys_signal(int sig, __sighandler_t handler)
2702 2700
2703 new_sa.sa.sa_handler = handler; 2701 new_sa.sa.sa_handler = handler;
2704 new_sa.sa.sa_flags = SA_ONESHOT | SA_NOMASK; 2702 new_sa.sa.sa_flags = SA_ONESHOT | SA_NOMASK;
2703 sigemptyset(&new_sa.sa.sa_mask);
2705 2704
2706 ret = do_sigaction(sig, &new_sa, &old_sa); 2705 ret = do_sigaction(sig, &new_sa, &old_sa);
2707 2706