From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-04.galae.net (smtpout-04.galae.net [185.171.202.116]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 92CB14A3405 for ; Wed, 21 Jan 2026 16:57:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.171.202.116 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769014668; cv=none; b=npGiMDQqAc8wPnbCrXdqupQ8HW+6qxpJP8O67URoUoZfIa0WyRqNa/BVnOtbzZzSG32zsVi4W0oSmW65enl2FplYIje72QN61+FexfcewfOqTdRSQ7npX3UrHDiBhHr0GWVj4swjpk1DgoAmkebjaY4W09mR7iunPtmAmYYCS1E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769014668; c=relaxed/simple; bh=x5aeSdqqGzGgBLN7hHm8q9HQoIZ+VDX6ILu1R2xxNbU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Px2ne+K19qTu8qrFkFtOlWR9oSOg6vhw2oOs5Ze10KQCS2a8nPycx+8GiM/17ACtrmujHSnSVYkuNTsMW9z7ItopwT0jEGQ2/8jFeLsHRo3OgQKf0kO8vPcCvsRI3gH4vr05T9r7U6kMReT38RA3UKD2pcra8fNnvh/sDwkTeGc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=nQmsi8Lb; arc=none smtp.client-ip=185.171.202.116 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="nQmsi8Lb" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 11E53C21A8D; Wed, 21 Jan 2026 16:57:14 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 374EC6070A; Wed, 21 Jan 2026 16:57:41 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2B986119B17FD; Wed, 21 Jan 2026 17:57:38 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1769014660; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=a75AgL/A7+mTrQ7jeA8LN5S6nZsKjkQB4oc2wcafViI=; b=nQmsi8LbsrqHERl9LqRdWMRB/0NQN5l+vai7ZxWJXjS6cQfuyLjKd2xszyvTO+Rma4Ri5H 2lI9obKTgUlH6fBvjOYQj0xNjZx1g40dKkTiSRxDeOUObT9/uSxJCV+YVMVSWjg+RTHw/Z 1y5kzoKW7SQv1pzYRl3hgb5fgHbP7mnao6Ndvau7OTUGoZYiPOMU0BRgedF1Q/VdIvZqmR C8GvCsFB8HH8qNIG3Jdik/UPvUQpx77SxBshRYmwILgMwB/NEOy//O35KVEZrtrGItZGOZ hk/tJm0XvtWJBx1gz+wLxsP1Ts74Os3Cg9Wj/lJ9INfjBNHPEmBpPsfh/sAmsg== Date: Wed, 21 Jan 2026 17:57:38 +0100 From: Alexandre Belloni To: Greg Kroah-Hartman Cc: Kunihiko Hayashi , stable@vger.kernel.org, Frank Li , Sasha Levin Subject: Re: [REGRESSION] v6.6.120: i3c crash caused by commit 82a09b9965ed Message-ID: <202601211657387e890711@mail.local> References: <2026012139-fidgeting-comic-916c@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2026012139-fidgeting-comic-916c@gregkh> X-Last-TLS-Session-Version: TLSv1.3 On 21/01/2026 15:56:01+0100, Greg Kroah-Hartman wrote: > On Wed, Jan 21, 2026 at 08:04:03PM +0900, Kunihiko Hayashi wrote: > > Dear stable maintainers, > > > > After updating from v6.6.119 to v6.6.120, I noticed a kernel crash > > when I3C was enabled. > > > > This regression is caused by: > > > > commit 82a09b9965ed ("i3c: fix refcount inconsistency in i3c_master_register") > > > > The issue is resolved when the following upstream fix commit is applied: > > > > commit 3502cea99c7c ("i3c: Move device name assignment after i3c_bus_init") > > That does not seem to be a valid git id, where did it come from? > This has not yet been sent to Linus and my plan was to wait for the merge window as the fix didn't make it clear this was actually happening in the field. -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com