Re: [PATCH net] net/mlx5: E-Switch: fix use-after-free in mlx5_eswitch_termtbl_put

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Wed, 2 Sep 2026 22:35:14 +0300 you wrote:

From: Yael Chemla <redacted>

In mlx5_eswitch_termtbl_put(), the zero-ref cleanup check reads
tt->ref_count after termtbl_mutex has been released.  Two concurrent
callers on the same mlx5_termtbl_handle race: one decrements ref_count
to zero, removes the hash entry, and calls kfree(tt) while the other
has already dropped the mutex and is about to evaluate
if (!tt->ref_count), producing a use-after-free.

[...]

Here is the summary with links:
  - [net] net/mlx5: E-Switch: fix use-after-free in mlx5_eswitch_termtbl_put
    https://git.kernel.org/netdev/net/c/7ee07f601f8f

You are awesome, thank you!
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