netdev - Re: [PATCH net] net: let net.core.dev

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Message-Id: 
 <173717223278.2330660.1589857788075296019.git-patchwork-notify@kernel.org>
Date: Sat, 18 Jan 2025 03:50:32 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Liu Jian <liujian56@...wei.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, stephen@...workplumber.org,
 matthias.tafelmeier@....net, netdev@...r.kernel.org
Subject: Re: [PATCH net] net: let net.core.dev_weight always be non-zero

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 16 Jan 2025 22:30:53 +0800 you wrote:
> The following problem was encountered during stability test:
> 
> (NULL net_device): NAPI poll function process_backlog+0x0/0x530 \
> 	returned 1, exceeding its budget of 0.
> ------------[ cut here ]------------
> list_add double add: new=ffff88905f746f48, prev=ffff88905f746f48, \
> 	next=ffff88905f746e40.
> WARNING: CPU: 18 PID: 5462 at lib/list_debug.c:35 \
> 	__list_add_valid_or_report+0xf3/0x130
> CPU: 18 UID: 0 PID: 5462 Comm: ping Kdump: loaded Not tainted 6.13.0-rc7+
> RIP: 0010:__list_add_valid_or_report+0xf3/0x130
> Call Trace:
> ? __warn+0xcd/0x250
> ? __list_add_valid_or_report+0xf3/0x130
> enqueue_to_backlog+0x923/0x1070
> netif_rx_internal+0x92/0x2b0
> __netif_rx+0x15/0x170
> loopback_xmit+0x2ef/0x450
> dev_hard_start_xmit+0x103/0x490
> __dev_queue_xmit+0xeac/0x1950
> ip_finish_output2+0x6cc/0x1620
> ip_output+0x161/0x270
> ip_push_pending_frames+0x155/0x1a0
> raw_sendmsg+0xe13/0x1550
> __sys_sendto+0x3bf/0x4e0
> __x64_sys_sendto+0xdc/0x1b0
> do_syscall_64+0x5b/0x170
> entry_SYSCALL_64_after_hwframe+0x76/0x7e
> 
> [...]

Here is the summary with links:
  - [net] net: let net.core.dev_weight always be non-zero
    https://git.kernel.org/netdev/net/c/d1f9f79fa2af

You are awesome, thank you!
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