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 <[email protected]>
--- RC-1/kernel/signal.c~ 2006-02-01 23:38:20.000000000 +0300
+++ RC-1/kernel/signal.c 2006-02-09 23:17:54.000000000 +0300
@@ -2702,6 +2702,7 @@ sys_signal(int sig, __sighandler_t handl
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);