From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-relay-canonical-1.canonical.com (smtp-relay-canonical-1.canonical.com [185.125.188.121]) (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 B40F1229B15; Wed, 30 Jul 2025 10:17:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.125.188.121 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753870682; cv=none; b=TypEsV3aWX06PdegEGuR5SLvDRKDqgmYHNzgTL3CSsjJRCZ6YwrVcjz1NDQyCk/XKWVWmkFtpSJ8JGo5CYOYcEJ+5AQISsVPc8gtwUiLxeNQZcfqHERMSXc6lxvSgkRmmJFLriW1XJBzIgJq7/TEWtYErFO55Xi9rwkVj6GeUGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753870682; c=relaxed/simple; bh=upTR70gIg3zojuI+8yXe3uiEaayEAuKNA6sj87tKFRI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KLgKrfgudN9xaSIiM/lSWEwp21ZM3B286Q3Y/IBcJRScB2gl9NGc2bx6bnfxK9U5Q0ffoB9JPrhzNX9XiaC1dQHyZGy3z1iyix+Au0f2opxiBLFJ4WduaGXp4M3LZ5QC4SPYvnCk9HPVGbqovAYBu6emJVO2479hqXSSqAOHq9U= ARC-Authentication-Results:i=1; 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s=20210705; t=1753870677; bh=eFJMiJUkipbOyilRVRpyqJR89oEgqdEDeuyKkrnkzxQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=N0uHC08+KERUMsvbY2kl/yhhMBIo1NFKwPElrW8mJHPLVTdbWpohS+dZjvmrnQ3NP a+bzmMNjpK7xXgJjrmdu/0QVD6hmYI7/2svxu33bNo/djE56zVyWxPhOr/Ajk5Hpvi 7Uqd2kMDIia4xFX4o9l3qz+5VNgy8Y3RkFuco3Y8vm9c/Z9eSyls3q3YS0NuOgXX3/ CLty1ROWow8975/WskYH8Ta4LhhfvIg3BUfF4Vok6sz/OeOfgOv3QEhNs6VpCKT4U3 MuZSkMKY68BSaMcpL4D9JwLQwYvNVjZStPHh7FMu+yF9M1rXsjs5SaIFfF2MDd5j2W RHpSzTDG/Q4xg== Message-ID: <2a6074ec-59ca-49af-87e8-d468cffc4a87@canonical.com> Date: Wed, 30 Jul 2025 03:17:52 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [apparmor?] linux-next test error: WARNING in apparmor_unix_stream_connect To: Alexander Potapenko Cc: apparmor@lists.ubuntu.com, jmorris@namei.org, john@apparmor.net, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, linux-security-module@vger.kernel.org, paul@paul-moore.com, serge@hallyn.com, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com References: <687e09e3.a70a0220.693ce.00eb.GAE@google.com> Content-Language: en-US From: John Johansen Autocrypt: addr=john.johansen@canonical.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 7/28/25 01:16, Alexander Potapenko wrote: > On Mon, Jul 21, 2025 at 11:35 AM syzbot > wrote: >> >> Hello, >> >> syzbot found the following issue on: > > John, do you have an idea what's going on? > This is pretty likely to be related to your "apparmor: make sure unix > socket labeling is correctly updated." patch. yeah it is being caused by that patch. Specifically it introduces using security_sk_alloc() to make sure the sk is given a default label which makes this check now incorrect the fix is just to drop the check. I have added the fix with the syzbot ref