Re: [PATCH net] net/mlx5: Fix double unregister of HCA_PORTS component

patchwork-bot+netdevbpf
2025-12-04T14:33:07Z

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:

On Tue, 02 Dec 2025 12:12:57 +0100 you wrote:
> Clear hca_devcom_comp in device's private data after unregistering it in
> LAG teardown. Otherwise a slightly lagging second pass through
> mlx5_unload_one() might try to unregister it again and trip over
> use-after-free.
>
> On s390 almost all PCI level recovery events trigger two passes through
> mxl5_unload_one() - one through the poll_health() method and one through
> mlx5_pci_err_detected() as callback from generic PCI error recovery.
> While testing PCI error recovery paths with more kernel debug features
> enabled, this issue reproducibly led to kernel panics with the following
> call chain:
>
> [...]

Here is the summary with links:
- [net] net/mlx5: Fix double unregister of HCA_PORTS component
https://git.kernel.org/netdev/net/c/6a107cfe9c99

You are awesome, thank you!
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