d9a9b4aeea
Fix an RCU warning in the reading of user keys: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- security/keys/user_defined.c:202 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 1 lock held by keyctl/3637: #0: (&key->sem){+++++.}, at: [<ffffffff811a80ae>] keyctl_read_key+0x9c/0xcf stack backtrace: Pid: 3637, comm: keyctl Not tainted 2.6.34-rc5-cachefs #18 Call Trace: [<ffffffff81051f6c>] lockdep_rcu_dereference+0xaa/0xb2 [<ffffffff811aa55f>] user_read+0x47/0x91 [<ffffffff811a80be>] keyctl_read_key+0xac/0xcf [<ffffffff811a8a06>] sys_keyctl+0x75/0xb7 [<ffffffff81001eeb>] system_call_fastpath+0x16/0x1b Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org> |
||
---|---|---|
.. | ||
integrity/ima | ||
keys | ||
selinux | ||
smack | ||
tomoyo | ||
capability.c | ||
commoncap.c | ||
device_cgroup.c | ||
inode.c | ||
Kconfig | ||
lsm_audit.c | ||
Makefile | ||
min_addr.c | ||
security.c |