From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1BB8436B075 for ; Tue, 11 Nov 2025 16:14:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762877646; cv=none; b=AzEZlp2xg49yekZyCoqlkbqIBiGTx1EZqBz9e5hPtThfEyp3iwAj1Yp2vjqWBfJsTL75gYj3NrbdcU0+T4MsmtT72yVAxtqZKOdZyff9WpT3YPerzMjpA3MGCR+1iYd++PsIvn5tO+6/OWF3V66E+wTorgBWpjXR78zBuTpm4LY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762877646; c=relaxed/simple; bh=e1fItR7xlkF6B1r7PiNpZoKCLM2TIxoBsNzdDzi03Ps=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=deE3Sic5Zcg66Ev+B5+sTrZAXlJOrYpLyqWbBEtbtG8gIyIflMytZkRpCrFMVGU2DqNDcTaLtLbMNUIFMn9/Sn9DqMUWauZ7TM4VZj2EVU6t7y4Rx8Upl8144ce8/URNccmBls7uA5TsYAARlvS2KkuvDy2h/2fawByLeK2IbHE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-43376637642so31896905ab.2 for ; Tue, 11 Nov 2025 08:14:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762877644; x=1763482444; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rsIzj5zeRN34MODne/Dex4pJnbVaec6z/SJRkF/VqmY=; b=bYDToirxrcgP6l4X7pd/HX1arNJB7o3bkhBt87PuuXsGgxr2lt3OO9aqyDsETrSI7E qd3QY0A05sKHmP4HqSv+U5eNGJL3lPI9zakI50tN0qxDx0oYB91ssMDeH6eY+1PrXev8 E0GLTh4Jr8TeCGBDkhFYtaVhKZJi8QeyfQT97D7w549xGpY2aB7pO4y3Ipj26lVeDn73 KX9JXcG00e0bm9/4nDmFFmi/ixuIsCi9mDP0uYkoVEUdVQ74WQtACu9pGGuPe7GC1FUN 9rgwfhLfJjJOA3Pt+k1xVoZLHlrdSxJFeYaCTRlPeNmX5tDawip+h+BpBywJlkdCIepQ 1xDg== X-Forwarded-Encrypted: i=1; AJvYcCXJHL/3SdjwcZE8xFvLSihJNstHTAQ1WlLcJ7vdVI7vXNRwT8ye5cMrEDM8jrSExGWrD8XIuFRGH6voCIN+@vger.kernel.org X-Gm-Message-State: AOJu0YxE7c+hwvX2itm2ugLNoaji6x7kys9LqXU/dBcsgJpRGOiFdnaU ckH/kuDPollKZ9RqUrmOfKw21cIoF2sAB6tiXVnKtD/yLBh1Hh7vI5yIjc4nBJdaniakCbrVXLX JxRx7SYz8RU88PaXha7IfpEjnnB6y57wetO3yHsSR7NLLYdRIeGjARzmWuJ4= X-Google-Smtp-Source: AGHT+IGhd1YIu4TmAb300ER5ywQ/phsKtardGYlr/w81752isCeFiUXjr5Li77UIL+5T2x/Jd6onzK9n8xsWrbfW3lALSN73fnOL Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4914:b0:433:767e:8f47 with SMTP id e9e14a558f8ab-433767ec96fmr150345295ab.29.1762877644204; Tue, 11 Nov 2025 08:14:04 -0800 (PST) Date: Tue, 11 Nov 2025 08:14:04 -0800 In-Reply-To: <20251111-gaspipeline-getippt-9b19b62f89d2@brauner> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691360cc.a70a0220.22f260.013e.GAE@google.com> Subject: Re: [syzbot] [fs?] WARNING in nsproxy_ns_active_put From: syzbot To: akpm@linux-foundation.org, bpf@vger.kernel.org, brauner@kernel.org, bsegall@google.com, david@redhat.com, dietmar.eggemann@arm.com, jack@suse.cz, jsavitz@redhat.com, juri.lelli@redhat.com, kartikey406@gmail.com, kees@kernel.org, liam.howlett@oracle.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, lorenzo.stoakes@oracle.com, mgorman@suse.de, mhocko@suse.com, mingo@redhat.com, mjguzik@gmail.com, oleg@redhat.com, paul@paul-moore.com, peterz@infradead.org, rostedt@goodmis.org, rppt@kernel.org, sergeh@kernel.org, surenb@google.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, vincent.guittot@linaro.org, viro@zeniv.linux.org.uk, vschneid@redhat.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+0b2e79f91ff6579bfa5b@syzkaller.appspotmail.com Tested-by: syzbot+0b2e79f91ff6579bfa5b@syzkaller.appspotmail.com Tested on: commit: d2bab7f2 nsproxy: fix free_nsproxy() and simplify crea.. git tree: https://github.com/brauner/linux.git namespace-6.19 console output: https://syzkaller.appspot.com/x/log.txt?x=123a8658580000 kernel config: https://syzkaller.appspot.com/x/.config?x=59952e73920025e4 dashboard link: https://syzkaller.appspot.com/bug?extid=0b2e79f91ff6579bfa5b compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.