From: Wang Jian <larkwang@gmail.com>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: soft lockup - may be related to wireguard (backported)
Date: Tue, 5 May 2020 14:54:10 +0800 [thread overview]
Message-ID: <CAF75rJDxM-m-wL89-JhQwbOk_1X4F2ebUzWuEz_2EULZ7bwm5Q@mail.gmail.com> (raw)
In-Reply-To: <a0985c12-6360-b192-1884-1d58db763a78@zx2c4.com>
Jason A. Donenfeld <Jason@zx2c4.com> 于2020年5月5日周二 上午6:28写道:
> Can you send full networking configuration in enough detail that I'll be
> able to reliably reproduce this problem? If I can't reproduce it, it's
> unlikely I'll be able to fix it.
I will send full networking configuration to you privately. The
configuration works
and the problem occured only once.
>
> Meanwhile, it really really looks from your stacktrace that you have one
> wireguard interface going over another wireguard interface:
>
> [27929.506367] wg_packet_send_staged_packets+0x320/0x5d0 [wireguard]
> [27929.506426] wg_xmit+0x324/0x490 [wireguard]
> [27929.506469] dev_hard_start_xmit+0x8d/0x1e0
> [27929.506508] __dev_queue_xmit+0x721/0x8e0
> [27929.506549] ip_finish_output2+0x19b/0x590
> [27929.506604] ? nf_confirm+0xcb/0xf0 [nf_conntrack]
> [27929.506648] ip_output+0x76/0xf0
> [27929.506681] ? __ip_finish_output+0x1c0/0x1c0
> [27929.506720] iptunnel_xmit+0x174/0x210
> [27929.506761] send4+0x120/0x390 [wireguard]
> [27929.506806] wg_socket_send_skb_to_peer+0x98/0xb0 [wireguard]
> [27929.506860] wg_packet_tx_worker+0xa9/0x210 [wireguard]
>
> Here, a wireguard encrypted udp packet is being sent to an endpoint that
> then is being routed to a wireguard interface. What in your network
> config would make that possible?
Maybe some erroneous ip route/rule magic that I don't notice.
next prev parent reply other threads:[~2020-05-05 6:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 3:55 Wang Jian
2020-05-04 5:26 ` Jason A. Donenfeld
2020-05-04 12:49 ` Wang Jian
2020-05-04 13:49 ` Alex Xu (Hello71)
2020-05-04 16:51 ` Wang Jian
2020-05-04 10:47 ` Serge Belyshev
2020-05-04 22:55 ` Jason A. Donenfeld
2020-05-04 22:28 ` Jason A. Donenfeld
2020-05-05 6:54 ` Wang Jian [this message]
2020-05-05 0:05 ` Jason A. Donenfeld
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