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 03BE254767 for ; Tue, 27 Aug 2024 17:35:02 +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=1724780104; cv=none; b=eNlBBTu1Uj1JAUjvGDfy+Fg6BSXLqOAiFTy9uTEjCXbdIJWAqY4WeLwF+XJO5YtMT3AO3fs+Ku58vJ/5ZBurFeiWY/sT1rt6xZLg+CBnkjHvxE5Ofj3v2M4rvv1pva7B0E2svzWTOwJRtzriCYXl+euOuzX8iOyYDBzPjag224g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724780104; c=relaxed/simple; bh=dUBtKcV2V8TL7EJss05VC37jXhzg2d1/8LxC2u2EZ6Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=XeU0oTtVD30icfnvhbH0JX+bAq1nf2z8zzqpWpesf9NEd1THFt4L+0TA78Im5PcUosF+Uu104d4g+lJvYHuDcq68oVIqr+HKSdOwc7w4BP0qYBENAWRvkXjIE2QI1PjNrI8IYbeUfYJSDOqtXdIWGYIOApl1ErNJR7pZ1OoI/6g= 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-39d415635e6so75795645ab.1 for ; Tue, 27 Aug 2024 10:35:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724780102; x=1725384902; 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=aJGc5Enw/bVWRyXascE5qNPrIcv3PbxOBAdwgY/izR0=; b=F9QQiMKZn4cv2PPmDZbj06zZhn08pZajCN3EcsI5tfdzo60nSmyNKAKn63UrZ7Ufwx 4iorN0I6y3vLQgjW+1W4mmS4WY4kmvPsxvqZRdKTi6i96M5V57hwTqTLl92O7RNYISYm Y/aWtWpphzoPhxZL+vycNSxwkVxW2ioTxEsm+Oo7SqXBE/Zxx/UDrWKYanNt8HW7mETL 7+geB+xTyT/BPPaZ+Z9YKvmU3Xc3nmfC8wa43k2RlbQRu4AJN78hLFs7td6JjAugTS/I luj7KNPOBRihJmksfNt+A/og/YZI33+OPgxMdOv0tg8vENyCc1y15TgP5rIcBg2BB9bU hJ2g== X-Forwarded-Encrypted: i=1; AJvYcCVt0M8/R3KUkYNUAW3+LpZgsFMshxCIktrqL9OzyoyxQVfwuvPQZrkRfpwii5nUy5DAmS/zqQgiXHBEpiw=@vger.kernel.org X-Gm-Message-State: AOJu0YwZspERSjMs8//xoklEEVfnX1+yqtGncTvyKAhkLpFtK+oKniHL EGSwyY9QL0gbEXkALrik1Sn10nxd+uMt2FOpM79VyCglcW/ZbRPd81E65NzMcFXw2//o0LEnV/k GBmBt+Gb8+wz+La1qgyNDrzSmhJmsM23ZWesf0T2S9LTfFAkrytlYvJA= X-Google-Smtp-Source: AGHT+IGJdtk6y14M5H64Ux1WfRPa7/IjvWVp/4R9r665mNBnM5QlORVpu2ddVdURKXgMAmcEEzSv2SGFGmNc+dFiEVpuAJtxM3lL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1522:b0:39b:2133:8ee5 with SMTP id e9e14a558f8ab-39e3c97c238mr13113665ab.1.1724780102121; Tue, 27 Aug 2024 10:35:02 -0700 (PDT) Date: Tue, 27 Aug 2024 10:35:02 -0700 In-Reply-To: <33ba315adf774817843093e3916393b3@paragon-software.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d8a290620ada95d@google.com> Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident From: syzbot To: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, 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-by: syzbot+5b6ed16da1077f45bc8e@syzkaller.appspotmail.com Tested-by: syzbot+5b6ed16da1077f45bc8e@syzkaller.appspotmail.com Tested on: commit: 7529036a fs/ntfs3: Rename ntfs3_setattr into ntfs_seta.. git tree: https://github.com/Paragon-Software-Group/linux-ntfs3.git master console output: https://syzkaller.appspot.com/x/log.txt?x=11655393980000 kernel config: https://syzkaller.appspot.com/x/.config?x=73cfef0bb39c7afa dashboard link: https://syzkaller.appspot.com/bug?extid=5b6ed16da1077f45bc8e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.