sock: fix /proc/net/sockstat underflow in sk_clone_lock()
authorTetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Mon, 15 Nov 2021 10:16:56 +0000 (19:16 +0900)
committerDavid S. Miller <davem@davemloft.net>
Mon, 15 Nov 2021 14:27:39 +0000 (14:27 +0000)
commit938cca9e4109b30ee1d476904538225a825e54eb
tree9df7f8766c30609396f9e852fe9ef703b834303a
parent271351d255b09e39c7f6437738cba595f9b235be
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: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: 648845ab7e200993 ("sock: Move the socket inuse to namespace.")
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/sock.c