From: Oleg Nesterov <oleg@redhat.com>
Date: Thu, 25 Oct 2012 20:28:12 +0000 (+0200)
Subject: freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD
X-Git-Tag: v3.7-rc3~9^2~1
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b40a79591ca918e7b91b0d9b6abd5d00f2e88c19;p=linux.git

freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD

flush_old_exec() clears PF_KTHREAD but forgets about PF_NOFREEZE.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/fs/exec.c b/fs/exec.c
index 8b9011b67041..0039055b1fc6 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1083,7 +1083,8 @@ int flush_old_exec(struct linux_binprm * bprm)
 	bprm->mm = NULL;		/* We're using it now */
 
 	set_fs(USER_DS);
-	current->flags &= ~(PF_RANDOMIZE | PF_FORKNOEXEC | PF_KTHREAD);
+	current->flags &=
+		~(PF_RANDOMIZE | PF_FORKNOEXEC | PF_KTHREAD | PF_NOFREEZE);
 	flush_thread();
 	current->personality &= ~bprm->per_clear;