Re: [PATCH v4] Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()

From: patchwork-bot+bluetooth
Date: Mon May 06 2024 - 13:00:45 EST


Hello:

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

On Sat, 4 May 2024 15:23:29 -0400 you wrote:
> l2cap_le_flowctl_init() can cause both div-by-zero and an integer
> overflow since hdev->le_mtu may not fall in the valid range.
>
> Move MTU from hci_dev to hci_conn to validate MTU and stop the connection
> process earlier if MTU is invalid.
> Also, add a missing validation in read_buffer_size() and make it return
> an error value if the validation fails.
> Now hci_conn_add() returns ERR_PTR() as it can fail due to the both a
> kzalloc failure and invalid MTU value.
>
> [...]

Here is the summary with links:
- [v4] Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
https://git.kernel.org/bluetooth/bluetooth-next/c/93e31170f4d0

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html