From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 CB998148FE6 for ; Sat, 8 Feb 2025 07:25:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738999508; cv=none; b=qCEs976sSH0NIDAYF/Izs6iirhasYMFAhGZBuToWuIze+M1SmVLmyE5f6w2quSLEW4hoGd+PY3Z/qte51nFN5VLXxZqq0I3KlfGR795+nrmW144jSuNoz9kcblTM2zqUuGMfOSUjQa3bSP5/OWxp7vLRZwGQW6Nodmai/S5V7xA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738999508; c=relaxed/simple; bh=nO3hchjOsaP1RONuy97ZQXYJfj/XWV3o1xs5m2QVd2Q=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=BBNOh1qXBzz5xnpW+hcygJfc/RfUnxuFOHn2ghdZyY/G4CpTSNXFb0cmjmJcMCtN56FYy8xRnHdJiViX+B6hZdJxfH9Rm5xWmZu8c+T5bVC52bUI8nM/g/V0vOtcxZYYnAPKd7HJHaI6CxKVN8Ae7nuchckVqBCjsNjHtZ5RulU= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3d0225c44e8so53587285ab.0 for ; Fri, 07 Feb 2025 23:25:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738999506; x=1739604306; 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=bTLH3DE1scVq8ZV/C5ZLGjBap6ga1IZ5cXcRDj04E4E=; b=bqdsRoV6oI9oSuEONrrsJ/KuIcaNQiMbTv16Nx2ep3IUhl4XUcrCOFJcapIpPgDNUZ xhbUs3hxp7EQA6sdb5hLpHlp5tIEhjzmTu3O638x6J54DvobRBl9A3wfSpketOvT9xM2 +x85eEXmy+KGnXGVMCfXQa43U+WKoHu9JpnTAkMjsGsgwAX40QrxBZZAdFToIKoP8yQ3 cQLs1s+M/7130LmK4A8Qew54zCg6R9sujo9d2YDX71upfOz+SUFEBH3ZrliGxTXrfb9v FgW556MPBWjH9GfgZaTc8yMLjgOm7QqBSjFGStR2dwH/AHFlRrUX1fABQAOX3F3NAjwx CskQ== X-Forwarded-Encrypted: i=1; AJvYcCW0+8OkLZOVKrhCWYTJAA2rlSbZuarP4SrhgRmxkMbyAPZQmQWdYVw1uQ7ISu/ZIgGJlLjKrwj+9uhblAI=@vger.kernel.org X-Gm-Message-State: AOJu0YypcEgDTtZ0vbqE50hz44PUMVQzmOpEfVI3O9wmurEHpYWGGXoF hdWI/SAs/Hd8upGkPCWOQjNDetc7DN+GfSHLemkTcBd7ZI3pwTtU59dKfKoTBWIPrvd2OuSqQ/D ALZyi6rWw8FfyyZZsx9B037ThGzS1UFvJBErYz/7qWnWWoIvyK9uolsg= X-Google-Smtp-Source: AGHT+IGKkh/0FawH2W86AI8WUkzUTbydbSlAtwptxUOjYiSCq8r5MPZ/xLAa/+mPU/8D2xKFQdArsfXVcM8/oj6kp6MWTlj6YvS/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:481c:b0:3cf:b626:66c2 with SMTP id e9e14a558f8ab-3d13df546c4mr45042965ab.19.1738999505985; Fri, 07 Feb 2025 23:25:05 -0800 (PST) Date: Fri, 07 Feb 2025 23:25:05 -0800 In-Reply-To: <67a4b9e8.050a0220.d6d27.0000.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a706d1.050a0220.3d72c.0020.GAE@google.com> Subject: Re: [syzbot] [overlayfs?] general protection fault in clone_private_mount From: syzbot To: amir73il@gmail.com, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, lizhi.xu@windriver.com, mike@mbaynton.com, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit ae63304102ecd597130ecea27395739a6a6371b7 Author: Christian Brauner Date: Thu Jan 23 19:19:48 2025 +0000 fs: allow detached mounts in clone_private_mount() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10cb5ca4580000 start commit: 808eb958781e Add linux-next specific files for 20250206 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=12cb5ca4580000 console output: https://syzkaller.appspot.com/x/log.txt?x=14cb5ca4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=88b25e5d30d576e4 dashboard link: https://syzkaller.appspot.com/bug?extid=62dfea789a2cedac1298 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16346df8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117e80e4580000 Reported-by: syzbot+62dfea789a2cedac1298@syzkaller.appspotmail.com Fixes: ae63304102ec ("fs: allow detached mounts in clone_private_mount()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection