Re: [PATCH] wwan: wwan_hwsim: Pin module for debugfs file operations

[patchwork-bot+netdevbpf]

Hello:

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

On Thu,  8 Oct 2026 20:07:53 +0700 you wrote:
> An open debugfs file retains its file_operations pointer in the
> debugfs proxy state. However, wwan_hwsim_debugfs_portdestroy_fops,
> wwan_hwsim_debugfs_portcreate_fops, wwan_hwsim_debugfs_devdestroy_fops,
> and wwan_hwsim_debugfs_devcreate_fops in wwan_hwsim.c have no
> .owner set to THIS_MODULE.
> 
> As a result, full_proxy_open_regular() calls fops_get() which succeeds
> without taking a reference to the wwan_hwsim module. When a userspace
> process opens any of these debugfs files, a subsequent module unload
> (rmmod wwan_hwsim) can succeed while the file descriptor remains open.
> 
> [...]

Here is the summary with links:
  - wwan: wwan_hwsim: Pin module for debugfs file operations
    https://git.kernel.org/netdev/net-next/c/a388f17e23b7

You are awesome, thank you!
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