Messages in this thread | | | From | "Jason A. Donenfeld" <> | Date | Sun, 26 Apr 2020 13:52:45 -0600 | Subject | Re: INFO: rcu detected stall in wg_packet_tx_worker |
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It looks like part of the issue might be that I call udp_tunnel6_xmit_skb while holding rcu_read_lock_bh, in drivers/net/wireguard/socket.c. But I think there's good reason to do so, and udp_tunnel6_xmit_skb should be rcu safe. In fact, every.single.other user of udp_tunnel6_xmit_skb in the kernel uses it with rcu locked. So, hm...
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