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DateFri, 3 Jul 2009 11:23:11 +0200
FromOleg Nesterov <>
Subject[PATCH] selinux_bprm_committed_creds: use __wake_up_parent()
(depends on ptrace-__ptrace_detach-do-__wake_up_parent-if-we-reap-the-tracee.patch
which exports __wake_up_parent)

Spotted by Valdis.Kletnieks@vt.edu.

selinux_bprm_committed_creds() should not play with ->wait_chldexit, now
that __wake_up_parent() is exported change the code to use this helper.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>

--- WAIT/security/selinux/hooks.c~SEL_WAKE_PARENT 2009-06-16 17:01:42.000000000 +0200
+++ WAIT/security/selinux/hooks.c 2009-07-03 11:15:08.000000000 +0200
@@ -2404,7 +2404,7 @@ static void selinux_bprm_committed_creds
/* Wake up the parent if it is waiting so that it can recheck
* wait permission to the new task SID. */
read_lock(&tasklist_lock);
- wake_up_interruptible(&current->real_parent->signal->wait_chldexit);
+ __wake_up_parent(current, current->real_parent);
read_unlock(&tasklist_lock);
}



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