[PATCH] sys_signal: initialize ->sa_mask

Pointed out by Linus Torvalds.

sys_signal() forgets to initialize ->sa_mask.

( I suspect arch/ia64/ia32/ia32_signal.c:sys32_signal()
  also needs this fix )

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/signal.c b/kernel/signal.c
index b373fc2..01a1e7f 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2702,6 +2702,7 @@ sys_signal(int sig, __sighandler_t handler)
 
        new_sa.sa.sa_handler = handler;
        new_sa.sa.sa_flags = SA_ONESHOT | SA_NOMASK;
+       sigemptyset(&new_sa.sa.sa_mask);
 
        ret = do_sigaction(sig, &new_sa, &old_sa);