From: Alexey Dobriyan <adobriyan@sw.ru>
Date: Fri, 31 Aug 2007 06:56:34 +0000 (-0700)
Subject: userns: don't leak root user
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=99db67bc04af0f2e8cb710ac92aaeb9af135a7c6;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

userns: don't leak root user

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Acked-by: Cedric Le Goater <clg@fr.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index d055d987850c..85af9422ea6e 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -81,6 +81,7 @@ void free_user_ns(struct kref *kref)
 	struct user_namespace *ns;
 
 	ns = container_of(kref, struct user_namespace, kref);
+	free_uid(ns->root_user);
 	kfree(ns);
 }