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Date: Thu, 17 Sep 2026 12:45:44 +0200
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: =?utf-8?Q?Micka=C3=ABl_Sala=C3=BCn?= <mic@digikod.net>,
	Arnd Bergmann <arnd@kernel.org>, Paul Moore <paul@paul-moore.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>, Tingmao Wang <m@maowtm.org>,
	Justin Suess <utilityemal77@gmail.com>,
	=?utf-8?Q?G=C3=BCnther?= Noack <gnoack@google.com>,
	linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [v2] landlock: work around gcc-16 -Wuninitialized warning
Message-ID: <20260917104544.3trW9Jq1@linutronix.de>
References: <20260915201036.3527935-1-arnd@kernel.org>
 <20260916084947.6QDy8KZQ@linutronix.de>
 <20260916.shai0tha3IPa@digikod.net>
 <57b5869d-7411-46e8-ade6-6d2a7fea02ac@app.fastmail.com>
 <20260917070915.Ix8TOn5Y@linutronix.de>
 <1192c2df-d39a-4d43-ad57-68b0167759f5@app.fastmail.com>
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On 2026-09-17 12:26:17 [+0200], Arnd Bergmann wrote:
> I checked again and found that this is a config that did produce
> the issue a few weeks ago, but doesn't today for me.
> I found a different config from this week and managed to reproduce
> the problem on today's linux-next using both gcc-16.2 and gcc-17.0
> from yesterday, so there is still a related issue that is not
> fixed in gcc, even though one at least one of them was fixed.

Confirmed. I see the warning on arm64 while x86-64 is quiet. The patch
fixes the issue.

You might need to update gcc bug tracker.

>       Arnd

Sebastian