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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 11:05:59 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-01 11:05:59 -0700
commit0f8b1a0204a12441cddbbf5be31e6338e0b8da1c (patch)
tree7a546266d24908269049bde5cb40aade4b45b06a /fs/proc/root.c
parent928c0c1571b004917a989c4d92b09ac129ad68b2 (diff)
parent07961ac7c0ee8b546658717034fe692fd12eefa9 (diff)
downloadlinux-0f8b1a0204a12441cddbbf5be31e6338e0b8da1c.tar.bz2
Merge v3.9-rc5 into driver-core-next
We want the fixes in here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc/root.c')
-rw-r--r--fs/proc/root.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c
index c6e9fac26bac..9c7fab1d23f0 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -16,6 +16,7 @@
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/bitops.h>
+#include <linux/user_namespace.h>
#include <linux/mount.h>
#include <linux/pid_namespace.h>
#include <linux/parser.h>
@@ -108,6 +109,9 @@ static struct dentry *proc_mount(struct file_system_type *fs_type,
} else {
ns = task_active_pid_ns(current);
options = data;
+
+ if (!current_user_ns()->may_mount_proc)
+ return ERR_PTR(-EPERM);
}
sb = sget(fs_type, proc_test_super, proc_set_super, flags, ns);