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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-21 06:52:35 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-21 06:52:35 -1000 |
| commit | 85c0805a8da23c8bc0b03d70fbf11e84cb2d6df6 (patch) | |
| tree | 21777353c07b0bc85f38ad7910604659b55a06d4 | |
| parent | 916492b1e1a186260951831c53a53d8a448dc026 (diff) | |
| parent | 88a693b5c1287be4da937699cb82068ce9db0135 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull selinux RCU fixlet from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
selinux: fix sel_netnode_insert() suspicious rcu dereference
| -rw-r--r-- | security/selinux/netnode.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c index 28f911cdd7c..c5454c0477c 100644 --- a/security/selinux/netnode.c +++ b/security/selinux/netnode.c @@ -174,7 +174,8 @@ static void sel_netnode_insert(struct sel_netnode *node) if (sel_netnode_hash[idx].size == SEL_NETNODE_HASH_BKT_LIMIT) { struct sel_netnode *tail; tail = list_entry( - rcu_dereference(sel_netnode_hash[idx].list.prev), + rcu_dereference_protected(sel_netnode_hash[idx].list.prev, + lockdep_is_held(&sel_netnode_lock)), struct sel_netnode, list); list_del_rcu(&tail->list); kfree_rcu(tail, rcu); |