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>
This commit is contained in:
Stephen Smalley 2008-12-05 09:12:19 -05:00 committed by James Morris
parent 1e641743f0
commit 459c19f524

View file

@ -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);