From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Wed, 9 Nov 2005 18:22:13 +0000 (-0800)
Subject: [PATCH] - fix signal->live leak in copy_process()
X-Git-Tag: v2.6.14.2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d212503f82d7ef3b63ed20ab97bb68a69616d06c;p=thirdparty%2Fkernel%2Fstable.git

[PATCH] - fix signal->live leak in copy_process()

exit_signal() (called from copy_process's error path) should decrement
->signal->live, otherwise forking process will miss 'group_dead' in
do_exit().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/kernel/signal.c b/kernel/signal.c
index f2b96b08fb447..6904bbbfe1169 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -406,6 +406,8 @@ void __exit_signal(struct task_struct *tsk)
 
 void exit_signal(struct task_struct *tsk)
 {
+	atomic_dec(&tsk->signal->live);
+
 	write_lock_irq(&tasklist_lock);
 	__exit_signal(tsk);
 	write_unlock_irq(&tasklist_lock);