SELinux: correctly detect proc filesystems of the form "proc/foo"

Map all of these proc/ filesystem types to "proc" for the policy lookup at
filesystem mount time.

Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 520f82ab3fbf..8dbc54cde59e 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -702,7 +702,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
                 sbsec->proc = 1;
 
         /* Determine the labeling behavior to use for this filesystem type. */
-        rc = security_fs_use(sb->s_type->name, &sbsec->behavior, &sbsec->sid);
+        rc = security_fs_use(sbsec->proc ? "proc" : sb->s_type->name, &sbsec->behavior, &sbsec->sid);
         if (rc) {
                 printk(KERN_WARNING "%s: security_fs_use(%s) returned %d\n",
                        __func__, sb->s_type->name, rc);