linux-kernel - Re: your recently submitted patch to fix BT RIP error shall be applied to 6.6 stable (I have a systematic crash on reboot in 6.6.23)

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Message-ID: <608ed80b-89dd-4815-84ed-5a03abc19c17@free.fr>
Date: Wed, 27 Mar 2024 14:46:47 +0100
From: Eric Valette <eric.valette@...e.fr>
To: "Von Dentz, Luiz" <luiz.von.dentz@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: your recently submitted patch to fix BT RIP error shall be
 applied to 6.6 stable (I have a systematic crash on reboot in 6.6.23)

On 27/03/2024 14:41, Eric Valette wrote:
> On 27/03/2024 14:36, Von Dentz, Luiz wrote:
>> Hi Eric,
>>
>> This shouldn't apply to 6.6 kernel, the regression was introduced with:
>>
>> commit 711c35949648ba19f54bce27b49ced0ad90b19b9
>> Author: Luiz Augusto von Dentz <luiz.von.dentz@...el.com>
>> Date:   Tue Jan 9 13:45:40 2024 -0500
>>
>>      Bluetooth: hci_core: Cancel request on command timeout
>>
>> So, you only really need that fix if you were using 6.9-rc1
> 
> Well I get the same error message and with the fix it works again.
> 
> Will check the 6.6.22 6.6.23 patch.
> 
> Could you point me to the problematic patch via adiff that I could 
> easilly check?

Found it. The patch adds the function hci_send_cmd_sync and I have it in 
my 6.6.23 kernel tree.

grep hci_send_cmd_sync net/bluetooth/hci_core.c
static void hci_send_cmd_sync(struct hci_dev *hdev, struct sk_buff *skb)
                 hci_send_cmd_sync(hdev, skb);

more Makefile
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
SUBLEVEL = 23
EXTRAVERSION =

-- eric