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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 11:03:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-26 11:03:39 -0700 |
| commit | 8d80ce80e1d58ba9cd3e3972b112cccd6b4008f4 (patch) | |
| tree | 16d3cca8d260c731d02a4e5e1ea5b9817c9c3626 /security/keys/permission.c | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| parent | Merge branch 'master' into next (diff) | |
| download | linux-dev-8d80ce80e1d58ba9cd3e3972b112cccd6b4008f4.tar.xz linux-dev-8d80ce80e1d58ba9cd3e3972b112cccd6b4008f4.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: (71 commits)
SELinux: inode_doinit_with_dentry drop no dentry printk
SELinux: new permission between tty audit and audit socket
SELinux: open perm for sock files
smack: fixes for unlabeled host support
keys: make procfiles per-user-namespace
keys: skip keys from another user namespace
keys: consider user namespace in key_permission
keys: distinguish per-uid keys in different namespaces
integrity: ima iint radix_tree_lookup locking fix
TOMOYO: Do not call tomoyo_realpath_init unless registered.
integrity: ima scatterlist bug fix
smack: fix lots of kernel-doc notation
TOMOYO: Don't create securityfs entries unless registered.
TOMOYO: Fix exception policy read failure.
SELinux: convert the avc cache hash list to an hlist
SELinux: code readability with avc_cache
SELinux: remove unused av.decided field
SELinux: more careful use of avd in avc_has_perm_noaudit
SELinux: remove the unused ae.used
SELinux: check seqno when updating an avc_node
...
Diffstat (limited to 'security/keys/permission.c')
| -rw-r--r-- | security/keys/permission.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/security/keys/permission.c b/security/keys/permission.c index 5d9fc7b93f2e..0ed802c9e698 100644 --- a/security/keys/permission.c +++ b/security/keys/permission.c @@ -35,6 +35,9 @@ int key_task_permission(const key_ref_t key_ref, const struct cred *cred, key = key_ref_to_ptr(key_ref); + if (key->user->user_ns != cred->user->user_ns) + goto use_other_perms; + /* use the second 8-bits of permissions for keys the caller owns */ if (key->uid == cred->fsuid) { kperm = key->perm >> 16; @@ -56,6 +59,8 @@ int key_task_permission(const key_ref_t key_ref, const struct cred *cred, } } +use_other_perms: + /* otherwise use the least-significant 8-bits */ kperm = key->perm; |