[FS#1837] Kernel oops when using wireguard and mangle/fwmark

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Fri Feb 26 15:11:56 EST 2021


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The following task has a new comment added:

FS#1837 - Kernel oops when using wireguard and mangle/fwmark
User who did this - James White (jamesmacwhite)

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Similar CPU stall captured:

[13836.524137] INFO: rcu_sched self-detected stall on CPU
[13836.529312] 	1-...: (6000 ticks this GP) idle=3e6/140000000000001/0 softirq=1251097/1251097 fqs=460 
[13836.538488] 	 (t=6001 jiffies g=529707 c=529706 q=14946)
[13836.543833] NMI backtrace for cpu 1
[13836.547342] CPU: 1 PID: 15345 Comm: kworker/1:2 Not tainted 4.14.221 #0
[13836.553984] Hardware name: Marvell Armada 380/385 (Device Tree)
[13836.559940] Workqueue: wg-crypt-wg 0xbf43a22c [wireguard at bf436000+0x1c000]
[13836.566849] Function entered at [] from []
[13836.572706] Function entered at [] from []
[13836.578563] Function entered at [] from []
[13836.584420] Function entered at [] from []
[13836.590276] Function entered at [] from []
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[13836.637129] Function entered at [] from []
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[13836.660555] Exception stack(0xdb21d620 to 0xdb21d668)
[13836.665630] d620: 00000000 11ff2a0e 00000214 00000210 0000020f 80380000 d3460000 c0110184
[13836.673843] d640: d121e840 df441000 c095d5c0 df4fbc40 dfbf9000 db21d670 c049403c c049431c
[13836.682055] d660: 80000013 ffffffff
[13836.685557] Function entered at [] from []
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[13836.925752] INFO: rcu_sched detected stalls on CPUs/tasks:
[13836.931272] 	1-...: (6001 ticks this GP) idle=3e6/140000000000000/0 softirq=1251097/1251097 fqs=460 
[13836.940445] 	(detected by 0, t=6002 jiffies, g=529707, c=529706, q=14992)
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1837#comment9419

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