netdev - Re: [PATCH net-next v2] devlink: use kvzalloc() to allocate devlink instance resources

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: 
 <171174063324.18563.6675369360892435443.git-patchwork-notify@kernel.org>
Date: Fri, 29 Mar 2024 19:30:33 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jian Wen <wenjianhn@...il.com>
Cc: jiri@...lanox.com, aleksander.lobakin@...el.com, edumazet@...gle.com,
 davem@...emloft.net, wenjian1@...omi.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] devlink: use kvzalloc() to allocate devlink
 instance resources

Hello:

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

On Wed, 27 Mar 2024 16:21:28 +0800 you wrote:
> During live migration of a virtual machine, the SR-IOV VF need to be
> re-registered. It may fail when the memory is badly fragmented.
> 
> The related log is as follows.
> 
> Mar  1 18:54:12  kernel: hv_netvsc 6045bdaa-c0d1-6045-bdaa-c0d16045bdaa eth0: VF slot 1 added
> ...
> Mar  1 18:54:13  kernel: kworker/0:0: page allocation failure: order:7, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
> Mar  1 18:54:13  kernel: CPU: 0 PID: 24006 Comm: kworker/0:0 Tainted: G            E     5.4...x86_64 #1
> Mar  1 18:54:13  kernel: Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090008  12/07/2018
> Mar  1 18:54:13  kernel: Workqueue: events work_for_cpu_fn
> Mar  1 18:54:13  kernel: Call Trace:
> Mar  1 18:54:13  kernel: dump_stack+0x8b/0xc8
> Mar  1 18:54:13  kernel: warn_alloc+0xff/0x170
> Mar  1 18:54:13  kernel: __alloc_pages_slowpath+0x92c/0xb2b
> Mar  1 18:54:13  kernel: ? get_page_from_freelist+0x1d4/0x1140
> Mar  1 18:54:13  kernel: __alloc_pages_nodemask+0x2f9/0x320
> Mar  1 18:54:13  kernel: alloc_pages_current+0x6a/0xb0
> Mar  1 18:54:13  kernel: kmalloc_order+0x1e/0x70
> Mar  1 18:54:13  kernel: kmalloc_order_trace+0x26/0xb0
> Mar  1 18:54:13  kernel: ? __switch_to_asm+0x34/0x70
> Mar  1 18:54:13  kernel: __kmalloc+0x276/0x280
> Mar  1 18:54:13  kernel: ? _raw_spin_unlock_irqrestore+0x1e/0x40
> Mar  1 18:54:13  kernel: devlink_alloc+0x29/0x110
> Mar  1 18:54:13  kernel: mlx5_devlink_alloc+0x1a/0x20 [mlx5_core]
> Mar  1 18:54:13  kernel: init_one+0x1d/0x650 [mlx5_core]
> Mar  1 18:54:13  kernel: local_pci_probe+0x46/0x90
> Mar  1 18:54:13  kernel: work_for_cpu_fn+0x1a/0x30
> Mar  1 18:54:13  kernel: process_one_work+0x16d/0x390
> Mar  1 18:54:13  kernel: worker_thread+0x1d3/0x3f0
> Mar  1 18:54:13  kernel: kthread+0x105/0x140
> Mar  1 18:54:13  kernel: ? max_active_store+0x80/0x80
> Mar  1 18:54:13  kernel: ? kthread_bind+0x20/0x20
> Mar  1 18:54:13  kernel: ret_from_fork+0x3a/0x50
> 
> [...]

Here is the summary with links:
  - [net-next,v2] devlink: use kvzalloc() to allocate devlink instance resources
    https://git.kernel.org/netdev/net-next/c/730fffce4fd2

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html