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authorIngo Molnar <mingo@elte.hu>2009-03-28 23:34:14 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 23:34:14 +0100
commit38a6ed3ed8e108b662f4016a1ebf068dcf4c1ef4 (patch)
treea83d5e4e86edf6cb2de22db6f2ff2274753a2bab /security/keys/permission.c
parentprintk: correct the behavior of printk_timed_ratelimit() (diff)
parentMerge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm... (diff)
downloadlinux-38a6ed3ed8e108b662f4016a1ebf068dcf4c1ef4.tar.xz
linux-38a6ed3ed8e108b662f4016a1ebf068dcf4c1ef4.zip
Merge branch 'linus' into core/printk
Diffstat (limited to 'security/keys/permission.c')
-rw-r--r--security/keys/permission.c5
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;