netdev - [PATCH net 0/2] tipc: fix two race issues in tipc_conn

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Message-Id: <cover.1668807842.git.lucien.xin@gmail.com>
Date:   Fri, 18 Nov 2022 16:44:59 -0500
From:   Xin Long <lucien.xin@...il.com>
To:     network dev <netdev@...r.kernel.org>,
        tipc-discussion@...ts.sourceforge.net
Cc:     davem@...emloft.net, kuba@...nel.org,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>,
        Wei Chen <harperchen1110@...il.com>
Subject: [PATCH net 0/2] tipc: fix two race issues in tipc_conn_alloc

The race exists beteen tipc_topsrv_accept() and tipc_conn_close(),
one is allocating the con while the other is freeing it and there
is no proper lock protecting it. Therefore, a null-pointer-defer
and a use-after-free may be triggered, see details on each patch.

Xin Long (2):
  tipc: set con sock in tipc_conn_alloc
  tipc: add an extra conn_get in tipc_conn_alloc

 net/tipc/topsrv.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

-- 
2.31.1