Re: [PATCH bluetooth v1] Bluetooth: hci_core: Initialize LTK before publication

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>:

On Mon, 19 Oct 2026 18:56:24 +0800 you wrote:
> hci_add_ltk() publishes a newly allocated LTK on hdev->long_term_keys
> before initializing its address, type, value, authentication state,
> encryption size, EDIV, and random value.  hci_find_ltk() and the debugfs
> long_term_keys_show() traverse this list under RCU and can therefore see
> a zero or partially initialized key before those stores complete.
> 
> The race is reachable by racing an LTK addition with another CPU looking
> up or dumping long-term keys.  For example, userspace can issue
> MGMT_OP_LOAD_LONG_TERM_KEYS while another process reads the corresponding
> debugfs file.
> 
> [...]

Here is the summary with links:
  - [v1] Bluetooth: hci_core: Initialize LTK before publication
    https://git.kernel.org/bluetooth/bluetooth-next/c/fd0191d9375d

You are awesome, thank you!
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