Commit 938cca9e authored by Tetsuo Handa's avatar Tetsuo Handa Committed by David S. Miller

sock: fix /proc/net/sockstat underflow in sk_clone_lock()

sk_clone_lock() needs to call sock_inuse_add(1) before entering the
sk_free_unlock_clone() error path, for __sk_free() from sk_free() from
sk_free_unlock_clone() calls sock_inuse_add(-1).
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: 648845ab ("sock: Move the socket inuse to namespace.")
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 271351d2
......@@ -2124,8 +2124,10 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
newsk->sk_prot_creator = prot;
/* SANITY */
if (likely(newsk->sk_net_refcnt))
if (likely(newsk->sk_net_refcnt)) {
get_net(sock_net(newsk));
sock_inuse_add(sock_net(newsk), 1);
}
sk_node_init(&newsk->sk_node);
sock_lock_init(newsk);
bh_lock_sock(newsk);
......@@ -2197,8 +2199,6 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
newsk->sk_err_soft = 0;
newsk->sk_priority = 0;
newsk->sk_incoming_cpu = raw_smp_processor_id();
if (likely(newsk->sk_net_refcnt))
sock_inuse_add(sock_net(newsk), 1);
/* Before updating sk_refcnt, we must commit prior changes to memory
* (Documentation/RCU/rculist_nulls.rst for details)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment