From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 E6D501C11 for ; Sun, 17 Mar 2024 13:58:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710683885; cv=none; b=kno8Qh6UDEh5a+VKOZ+H9KoJ23teux9Qf7fqT4of+jPGwlDamfD/RPr6Ssd14BL7/6M+4SXyr3UlixxGAXZmrNCbkMlJeEMqT4U+xCEaAnRFLY0g9TEuoa8XTXrcJnvQM25W6MMingJ/9jOsgZSIHBizx94zsnRnXBza6lC0xxA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710683885; c=relaxed/simple; bh=L9G4HDohrXQuIakqxZZFzidXl1q6Qm9FtmslfgpyzRk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=cTRmul5NQJBxuggewO1+blTLTd3IB4+pwmv3X3Jga+1WySgdVFZgGtcfpDQkeIpIoV73Y87yYx8mBuVRwAMNrDKTvsZ0riOkVugNCq5+SAia4h87O+upGruOssQfKDeLNSyRZLe+Hzu5SbktFvRI7KV0IHsS8ZNNawenSe+PH34= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-7cc044e7456so104674139f.1 for ; Sun, 17 Mar 2024 06:58:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710683883; x=1711288683; 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=eD5+B9KN5f6+6XpRxSKGiUG39g7Rk1aFKdCD3iKDsCk=; b=torsgMeIOe2+LPOHCxFB8nLIepQnuJavZ17Q8AYS2l4o37Gf6CWz0Wg7tsLPtlGvMD MVZndRWZYFHgEyiZATe96mUdyZnjTndtbMt9o45xGMBPRegj0ZwZW3+rzx7YRQitegpT Hb2iU78Udc33RCf3heJ0j7Wye8GPf1LfiUp3oOVKvJuIHPG81X/14eDzCZpC1Gk5gCfX graH5NzCD4EtyF5De2MQpfqRlCCC5R/3QguddtzQeO1QGomErFF3nVT2Q+oA38+6bnQR H/DLCuo4WKLCd/V2XDcktZEgt+wYbK12y7MZT+BGbJL6T45BeKijKNo9ZZGmmF3OJrmi lK6A== X-Forwarded-Encrypted: i=1; AJvYcCUtwbbBnloOskaqzrVFFISLJNa8qsMhSyZ3NVLmxgplUbZBhQhZIoS1LiS+TxrgFGpgHrdNoK9jh2USsdtJdj+X3Rx5LMGskSd6Q6Fp X-Gm-Message-State: AOJu0YxlOhfLLTV3k+JXMugjDjGUhQeXBCUFf1tWhvHvhhQ/QWX87tV1 MqI53vX+layVAwjo9NvyuUT9+a/naEcU/SiUOWI6g76cwCdQKR4HeOoM5ItlFzZbg30w0U8tqRS IJDMaw8bzzzPSM7YkEiLkcUCXN0kG7FSTKQXtNCxRD/YqrdO9vj8ELuQ= X-Google-Smtp-Source: AGHT+IHPul9WGgkKqm7B8jSCs3hOp4iNttQYvYYPfYn6tt6kgff+bf7Kr/d5QUuiKI5Un4eH0JnQ1vAaB29H+fcRR2HAvVFMlWKf Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:5ab:b0:366:b26a:ecb0 with SMTP id k11-20020a056e0205ab00b00366b26aecb0mr38488ils.6.1710683883125; Sun, 17 Mar 2024 06:58:03 -0700 (PDT) Date: Sun, 17 Mar 2024 06:58:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002d50840613dba1c2@google.com> Subject: Re: [syzbot] [overlayfs?] WARNING in ovl_copy_up_file From: syzbot To: amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+3abd99031b42acf367ef@syzkaller.appspotmail.com Tested on: commit: a8d73a85 ovl: relax WARN_ON in ovl_verify_area() git tree: https://github.com/amir73il/linux ovl-fixes console output: https://syzkaller.appspot.com/x/log.txt?x=14d627b6180000 kernel config: https://syzkaller.appspot.com/x/.config?x=2271d60b0617d474 dashboard link: https://syzkaller.appspot.com/bug?extid=3abd99031b42acf367ef compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.