From fe3d5c8793fcaf33c5d3118a7f3ffc135eadaf4d Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@osdl.org>
Date: Sat, 18 Jun 2005 13:17:49 -0700
Subject: [PATCH] Clean up subthread exec (CAN-2005-1913)

Make sure we re-parent itimers.  If subthread exec's with timer pending,
signal is delivered to old group-leader and can panic kernel.

Signed-off-by: Linus Torvalds <torvalds@ppc970.osdl.org>
Signed-off-by: Chris Wright <chrisw@osdl.org>
---
 fs/exec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/exec.c b/fs/exec.c
index e56ee2437025..422cc0ec5e36 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -649,6 +649,7 @@ static inline int de_thread(struct task_struct *tsk)
 	}
 	sig->group_exit_task = NULL;
 	sig->notify_count = 0;
+	sig->real_timer.data = (unsigned long)current;
 	spin_unlock_irq(lock);
 
 	/*
-- 
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