[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>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/kernel/signal.c b/kernel/signal.c
index d7611f189ef7ac33ef7610e7a92a3584f5c7028b..b8d60ed77c75e287a9d847119baae7a91071b3f5 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2604,6 +2604,7 @@ 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);