Commit 8d027de5 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds

[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: default avatarOleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 47e627ce
...@@ -406,6 +406,8 @@ void __exit_signal(struct task_struct *tsk) ...@@ -406,6 +406,8 @@ void __exit_signal(struct task_struct *tsk)
void exit_signal(struct task_struct *tsk) void exit_signal(struct task_struct *tsk)
{ {
atomic_dec(&tsk->signal->live);
write_lock_irq(&tasklist_lock); write_lock_irq(&tasklist_lock);
__exit_signal(tsk); __exit_signal(tsk);
write_unlock_irq(&tasklist_lock); write_unlock_irq(&tasklist_lock);
......
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