linux-kernel - Re: [PATCH v3] Bluetooth: hci: fix null-ptr-deref in hci_read_supported

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Message-Id: 
 <173031303250.1428768.6665281054491873346.git-patchwork-notify@kernel.org>
Date: Wed, 30 Oct 2024 18:30:32 +0000
From: patchwork-bot+bluetooth@...nel.org
To: Sungwoo Kim <iam@...g-woo.kim>
Cc: luiz.dentz@...il.com, daveti@...due.edu, benquike@...il.com,
 marcel@...tmann.org, johan.hedberg@...il.com,
 linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] Bluetooth: hci: fix null-ptr-deref in
 hci_read_supported_codecs

Hello:

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

On Tue, 29 Oct 2024 19:44:41 +0000 you wrote:
> Fix __hci_cmd_sync_sk() to return not NULL for unknown opcodes.
> 
> __hci_cmd_sync_sk() returns NULL if a command returns a status event.
> However, it also returns NULL where an opcode doesn't exist in the
> hci_cc table because hci_cmd_complete_evt() assumes status = skb->data[0]
> for unknown opcodes.
> This leads to null-ptr-deref in cmd_sync for HCI_OP_READ_LOCAL_CODECS as
> there is no hci_cc for HCI_OP_READ_LOCAL_CODECS, which always assumes
> status = skb->data[0].
> 
> [...]

Here is the summary with links:
  - [v3] Bluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs
    https://git.kernel.org/bluetooth/bluetooth-next/c/af524ed29eee

You are awesome, thank you!
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