From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B0F923009F8; Tue, 11 Nov 2025 12:04:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762862649; cv=none; b=cttK39N0xHZwrYdvXTD8Dos/SKEvK5sWAghj/5fKoYZmGoZ8kE7VG4YQjqGFwXB3u9nvwPEM7UJ36gx19pnneN6MOHs+M8oKxwGYBl8hmqQ1K4BpRFKTqcZUdf3dVbt67bBBAkQRiy6wmOB1xUZyRoLmf5Tg7xJEiLoF2sNOKvc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762862649; c=relaxed/simple; bh=CXuSHy0O31aSj5lEOnrDTRMS+CyKcDRXkUzk/B6pN8E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ExcMxD7xnyTKMOvrLh1vOEWDACBhV90M5k5PMIy9CLyGLwVr45e3yCyNBYSAEvE4zGN6dgrReXT2LURxOnFo8KDWpqOTMA+4wmNUrjeDnAOH0D954NQBI0PsriOYGfIpMuwcXc7w1QmSIpwMBWgDECRKvfo1+GyY2lsgovB3RqE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e9o0NZ/J; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e9o0NZ/J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ACBADC4CEF7; Tue, 11 Nov 2025 12:04:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762862649; bh=CXuSHy0O31aSj5lEOnrDTRMS+CyKcDRXkUzk/B6pN8E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=e9o0NZ/JbFwc0f+dXwdos4UAh8440bpnL5TeGbCKyOfGKD2tdnW54cbgFD2Q1lqv+ XZeOb4LHNLZbP5jojQY33R+6tdtQhEzdHhovDkJ0xnU6X7wKw63U0A5CwNd0mMzGpm 9USvbr7UPvBhO6scn1T2nrQycv9252QaPeurZL6R719Mxlch60WxMkXwpUXYuXykQN /smLJi9G0/OFRzJinqppGQzQYdiJIiKOrEn97bfPMPZhSVAhWZxHwtSpRddx+18gP7 2vh7WJjkjsABJwADhBthuN5WeGXHgcgIq4eJj9ovehL9/vPatK/na/fIGi1MU4syba HAJaFhlxg6IGA== Date: Tue, 11 Nov 2025 13:04:05 +0100 From: Christian Brauner To: syzbot Cc: jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Subject: Re: [syzbot] [fs?] WARNING in nsproxy_ns_active_get Message-ID: <20251111-komponente-verprellen-a5ba489f5830@brauner> References: <690bfb60.050a0220.2e3c35.0012.GAE@google.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <690bfb60.050a0220.2e3c35.0012.GAE@google.com> On Wed, Nov 05, 2025 at 05:35:28PM -0800, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 17490bd0527f Add linux-next specific files for 20251104 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1006532f980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9995c0d2611ab121 > dashboard link: https://syzkaller.appspot.com/bug?extid=0a8655a80e189278487e > compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1406532f980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1166ff34580000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/a4d318147846/disk-17490bd0.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/86641a470170/vmlinux-17490bd0.xz > kernel image: https://storage.googleapis.com/syzbot-assets/35c008a540c8/bzImage-17490bd0.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+0a8655a80e189278487e@syzkaller.appspotmail.com #syz test: https://github.com/brauner/linux.git namespace-6.19