aboutsummaryrefslogtreecommitdiff
path: root/security
diff options
context:
space:
mode:
authorJohn Johansen <john.johansen@canonical.com>2012-02-16 06:28:50 -0800
committerJohn Johansen <john.johansen@canonical.com>2012-03-14 06:15:22 -0700
commitfbba8d89acea5d628d1d076b1d8962db438ff832 (patch)
tree1e3a27cb78369676de62f8587d84d281224df1ff /security
parent33e521acff709d275950ec5bf8dd577d873cd61e (diff)
downloadlinaro-lsk-fbba8d89acea5d628d1d076b1d8962db438ff832.tar.gz
AppArmor: Retrieve the dentry_path for error reporting when path lookup fails
When __d_path and d_absolute_path fail due to the name being outside of the current namespace no name is reported. Use dentry_path to provide some hint as to which file was being accessed. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Kees Cook <kees@ubuntu.com>
Diffstat (limited to 'security')
-rw-r--r--security/apparmor/path.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/security/apparmor/path.c b/security/apparmor/path.c
index 3dd605c6997..8c90fd0f49c 100644
--- a/security/apparmor/path.c
+++ b/security/apparmor/path.c
@@ -94,18 +94,21 @@ static int d_namespace_path(struct path *path, char *buf, int buflen,
} else
res = d_absolute_path(path, buf, buflen);
- *name = res;
/* handle error conditions - and still allow a partial path to
* be returned.
*/
if (IS_ERR(res)) {
- error = PTR_ERR(res);
- *name = buf;
- goto out;
- }
- if (!our_mnt(path->mnt))
+ res = dentry_path_raw(path->dentry, buf, buflen);
+ if (IS_ERR(res)) {
+ error = PTR_ERR(res);
+ *name = buf;
+ goto out;
+ };
+ } else if (!our_mnt(path->mnt))
connected = 0;
+ *name = res;
+
ok:
/* Handle two cases:
* 1. A deleted dentry && profile is not allowing mediation of deleted