Re: [PATCH net] tipc: call rcu_read_lock() in tipc_aead_encrypt_done()

From: Xin Long Date: Thu, 20 Aug 2020 15:34:47 +0800 > b->media->send_msg() requires rcu_read_lock(), as we can see > elsewhere in tipc, tipc_bearer_xmit, tipc_bearer_xmit_skb > and tipc_bearer_bc_xmit(). > > Syzbot has reported this issue as: > > net/tipc/bearer.c:466 suspicious rcu_derefer

[PATCH net] tipc: call rcu_read_lock() in tipc_aead_encrypt_done()

b->media->send_msg() requires rcu_read_lock(), as we can see elsewhere in tipc, tipc_bearer_xmit, tipc_bearer_xmit_skb and tipc_bearer_bc_xmit(). Syzbot has reported this issue as: net/tipc/bearer.c:466 suspicious rcu_dereference_check() usage! Workqueue: cryptd cryptd_queue_worker Call Tr