Re: [PATCH net v2] bonding: hold ops lock around get_link

From: patchwork-bot+netdevbpf
Date: Fri Apr 11 2025 - 22:01:03 EST


Hello:

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

On Thu, 10 Apr 2025 09:11:17 -0700 you wrote:
> syzbot reports a case of ethtool_ops->get_link being called without
> ops lock:
>
> ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:63
> bond_check_dev_link+0x1fb/0x4b0 drivers/net/bonding/bond_main.c:864
> bond_miimon_inspect drivers/net/bonding/bond_main.c:2734 [inline]
> bond_mii_monitor+0x49d/0x3170 drivers/net/bonding/bond_main.c:2956
> process_one_work kernel/workqueue.c:3238 [inline]
> process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
> worker_thread+0x870/0xd50 kernel/workqueue.c:3400
> kthread+0x7b7/0x940 kernel/kthread.c:464
> ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
>
> [...]

Here is the summary with links:
- [net,v2] bonding: hold ops lock around get_link
https://git.kernel.org/netdev/net/c/f7a11cba0ed7

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