* Fw: [Bug 215682] New: Long iperf test of wireguard interface causes kernel panic
@ 2022-03-14 17:05 Stephen Hemminger
0 siblings, 0 replies; only message in thread
From: Stephen Hemminger @ 2022-03-14 17:05 UTC (permalink / raw)
To: Jason; +Cc: wireguard, netdev
Begin forwarded message:
Date: Mon, 14 Mar 2022 16:51:08 +0000
From: bugzilla-daemon@kernel.org
To: stephen@networkplumber.org
Subject: [Bug 215682] New: Long iperf test of wireguard interface causes kernel panic
https://bugzilla.kernel.org/show_bug.cgi?id=215682
Bug ID: 215682
Summary: Long iperf test of wireguard interface causes kernel
panic
Product: Networking
Version: 2.5
Kernel Version: 5.15.27
Hardware: ARM
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: stephen@networkplumber.org
Reporter: alexey.kv@gmail.com
Regression: No
I have setup of two Rock64 SBC which I connected via lan and created a
wireguard interface on it to do some benchmarking with iperf3. After long run
(~3 days) on one instance following kernel panic was observed:
[266706.637097] Kernel panic - not syncing: stack-protector: Kernel stack is
corrupted in: netif_receive_skb_list_internal+0x2b0/0x2b0
[266706.638171] CPU: 3 PID: 9861 Comm: kworker/3:0 Tainted: G C
5.15.27-rockchip64 #trunk
[266706.638999] Hardware name: Pine64 Rock64 (DT)
[266706.639406] Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker [wireguard]
[266706.640084] Call trace:
[266706.640316] dump_backtrace+0x0/0x200
[266706.640686] show_stack+0x18/0x28
[266706.640997] dump_stack_lvl+0x68/0x84
[266706.641348] dump_stack+0x18/0x34
[266706.641661] panic+0x164/0x35c
[266706.641955] __stack_chk_fail+0x3c/0x40
[266706.642309] netif_receive_skb_list+0x0/0x158
[266706.642711] gro_normal_list.part.159+0x20/0x40
[266706.643129] napi_complete_done+0xc0/0x1e8
[266706.643512] wg_packet_rx_poll+0x45c/0x8c0 [wireguard]
[266706.644000] __napi_poll+0x38/0x230
[266706.644324] net_rx_action+0x284/0x2c8
[266706.644675] _stext+0x160/0x3f8
[266706.644986] do_softirq+0xa8/0xb8
[266706.645297] __local_bh_enable_ip+0xac/0xb8
[266706.645682] _raw_spin_unlock_bh+0x34/0x60
[266706.646059] wg_packet_decrypt_worker+0x50/0x1a8 [wireguard]
[266706.646589] process_one_work+0x20c/0x4c8
[266706.646961] worker_thread+0x48/0x478
[266706.647300] kthread+0x138/0x150
[266706.647599] ret_from_fork+0x10/0x20
[266706.647931] SMP: stopping secondary CPUs
[266706.648297] Kernel Offset: disabled
[266706.648615] CPU features: 0x00001001,00000846
[266706.649009] Memory Limit: none
[266706.649293] ---[ end Kernel panic - not syncing: stack-protector: Kernel
stack is corrupted in: netif_receive_skb_list_internal+0x2b0/0x2b0 ]---
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