[lvc-project] [PATCH net v4] net: cxgb4/ch_ipsec: fix potential use-after-free in ch_ipsec_xfrm_add_state() callback

[patchwork-bot+netdevbpf at kernel.org]

Hello:

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

On Fri, 24 Oct 2025 19:13:02 +0300 you wrote:
> In ch_ipsec_xfrm_add_state() there is not check of try_module_get
> return value. It is very unlikely, but try_module_get() could return
> false value, which could cause use-after-free error.
> Conditions: The module count must be zero, and a module unload in
> progress. The thread doing the unload is blocked somewhere.
> Another thread makes a callback into the module for some request
> that (for instance) would need to create a kernel thread.
> It tries to get a reference for the thread.
> So try_module_get(THIS_MODULE) is the right call - and will fail here.
> 
> [...]

Here is the summary with links:
  - [net,v4] net: cxgb4/ch_ipsec: fix potential use-after-free in ch_ipsec_xfrm_add_state() callback
    https://git.kernel.org/netdev/net/c/d8d2b1f81530

You are awesome, thank you!
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