From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0F118CD1297 for ; Sun, 9 Nov 2025 10:15:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Subject:To:From:Message-ID:In-Reply-To:Date:MIME-Version:Sender:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:References:List-Owner; bh=dMXJ+QSTErcpx1WKQCu8hJlfPk/gIC0Yatw3oL0s9Eo=; b=aXiSnLDqYbm1xmwziWv8PP+6Yt ivSPydw5XCK+pLFJ6flkeNBpIg2G/sgX/9kw35HubQENQBI8/Rmkeyi4xeZKvvP89+IFXtXO/ZnvJ 9lv0xJ5pC0nsePig/Ouog9mMxOxpf5RJF60BwIyYsHgQsif9mrpf1QKZE/pmoffBwDGA=; Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1vI2ST-0003dU-BW; Sun, 09 Nov 2025 10:15:41 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <3xWkQaQkbACoYefQGRRKXGVVOJ.MUUMRKaYKXIUTZKTZ.IUS@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com>) id 1vI2SR-0003dO-US for linux-f2fs-devel@lists.sourceforge.net; Sun, 09 Nov 2025 10:15:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:To:From:Subject:Message-ID:In-Reply-To :Date:MIME-Version:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=NWfewmnudh1KlyEWNvuVvB5Kgj50o7QInWoa1pVfLis=; b=Uhskf+XcIC+sywHskb3HJTFa8n +hGTV+cc6f6yp++oR2kmnS7pX/kli9UVceG9Ajdcffzv6fqiNQLHEFLCPw/II+kYyjgWHwdR4ebz9 XjWZ969vlhMQoUQ2pjk+JRE6wpMsqJd3bBwdTjKIkWj4xecKHjh3ClyXl4+TPFG7hCnM=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Type:To:From:Subject:Message-ID:In-Reply-To:Date:MIME-Version: Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=NWfewmnudh1KlyEWNvuVvB5Kgj50o7QInWoa1pVfLis=; b=L jDRu/RTzVyMfSf3GBk86QQPFtzy/umzOdcg3ob64KvjDHyQywmdx5rQEmB8yM3+wD6GhmTkYY0sP5 sQOw3GY8GW8z4B/uYnxLI2LTTKwcZF4r3KkykWsifErnNKoww0SMDFWK8Ofb9quAoMRxUkSRwCzJt 5n2YYeTEQRO4crd8=; Received: from mail-il1-f208.google.com ([209.85.166.208]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.95) id 1vI2SR-00017o-Be for linux-f2fs-devel@lists.sourceforge.net; Sun, 09 Nov 2025 10:15:39 +0000 Received: by mail-il1-f208.google.com with SMTP id e9e14a558f8ab-433270dad0dso18365555ab.0 for ; Sun, 09 Nov 2025 02:15:39 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762683333; x=1763288133; 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=NWfewmnudh1KlyEWNvuVvB5Kgj50o7QInWoa1pVfLis=; b=wlL3J4/C6a9wCVfjFJRY7fY5Ltbi5Urk5g7Zf+YaUBKziTw3YFunrp3A0faZuaCFxJ dK85UAuxgjd8wgT/02x9AwF0VIWElLY7k73pF9Gz95ggapx7XaR7QkJmMf/nCYLdv6Ez 5z/tTepJDrbm8Cdv1karcWCoYXLcTnoVHOyf/+hNZZAeiyzh8CWLGb7+CTgaNJvIJv21 dEaxkKv2f/TweXT7F3l4D3wqs4DNPLEDOVsIJPMjQn29bilrc338XXLNQLgecxUgXlI4 sSCvjplALaNNqqamUrXZcDGXEe4hIRgPcwccPh48Jgn3STuogmerfb+XojdPLiu6B0i0 Tp/g== X-Forwarded-Encrypted: i=1; AJvYcCUYEoo7fqYl0TmVz/a0j/eJrofNQdCsY1T3AqSc64FpQQ6ndsVmpejYUTdGH9v5JhHmXSMiX9YZZ7S1MOHhnvdl@lists.sourceforge.net X-Gm-Message-State: AOJu0Yx38M0zm8O78f+sc0CL+TkytXX4UXUxBcPKFIxtkSIIQpLWu10G N2Xf94wrHLf7ieAwpl2QiNkG/FbAY595hEt35K6jsSGNOrF6VLngNjnHOYUMwF8dLGg8UCSzlsm trGybDbL8qgBnQs8z7nLr8FYlUrhT7AFQhZurCu1bHG8svjeWpgW80o1tqxE= X-Google-Smtp-Source: AGHT+IEbcKnfSa5fRGJI6MUUWScp8I9DxMyTDf8/KLrLsOwjjl8LC6bhITS7iNJ8+amgcbqzNaoHjpmnfLUcajxKRTAphhZ1AsKm MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fc3:b0:433:43fb:37dd with SMTP id e9e14a558f8ab-43367de214emr71758115ab.5.1762683333724; Sun, 09 Nov 2025 02:15:33 -0800 (PST) Date: Sun, 09 Nov 2025 02:15:33 -0800 In-Reply-To: <68fc0765.a00a0220.9662e.000e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691069c5.a70a0220.22f260.00aa.GAE@google.com> From: syzbot To: almaz.alexandrovich@paragon-software.com, chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com X-Headers-End: 1vI2SR-00017o-Be Subject: Re: [f2fs-dev] [syzbot] [f2fs?] WARNING in get_data X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net syzbot has found a reproducer for the following issue on: HEAD commit: 9c0826a5d9aa Add linux-next specific files for 20251107 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11c44b42580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f2ebeee52bf052b8 dashboard link: https://syzkaller.appspot.com/bug?extid=f5d91b1897d5b094c6b4 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=16263084580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14496a92580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/32b5c04a0baa/disk-9c0826a5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9438206c142a/vmlinux-9c0826a5.xz kernel image: https://storage.googleapis.com/syzbot-assets/129cd0208baa/bzImage-9c0826a5.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/be89fc48acf0/mount_3.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f5d91b1897d5b094c6b4@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Different NTFS sector size (1024) and media sector size (512). ------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#1: syz.0.541/6553 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.0.541 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278 Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 47 1f 00 90 <0f> 0b 90 eb 05 e8 7c 47 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41 RSP: 0018:ffffc9000c0eec40 EFLAGS: 00010293 RAX: ffffffff81a238a9 RBX: 00003fffffffffff RCX: ffff888026123d00 RDX: 0000000000000000 RSI: 00003fffffffffff RDI: 0000000000000000 RBP: 0000000000000012 R08: 0000000000000f4d R09: 0000003b6994bf6b R10: 0000003b6994bf6b R11: 0000199962000021 R12: 0000000000000012 R13: 0000000000000000 R14: ffffc9000c0eed88 R15: 1ffffffff1bca6c2 FS: 000055557ac66500(0000) GS:ffff888125fc2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffec7fad000 CR3: 000000002ea20000 CR4: 00000000003526f0 Call Trace: copy_data kernel/printk/printk_ringbuffer.c:1857 [inline] prb_read kernel/printk/printk_ringbuffer.c:1966 [inline] _prb_read_valid+0x672/0xa90 kernel/printk/printk_ringbuffer.c:2143 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2215 printk_get_next_message+0x15c/0x7b0 kernel/printk/printk.c:2978 console_emit_next_record kernel/printk/printk.c:3062 [inline] console_flush_one_record kernel/printk/printk.c:3194 [inline] console_flush_all+0x4cc/0xb10 kernel/printk/printk.c:3268 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline] console_unlock+0xbb/0x190 kernel/printk/printk.c:3338 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423 _printk+0xcf/0x120 kernel/printk/printk.c:2448 ntfs_inode_printk+0x5fd/0x700 fs/ntfs3/super.c:156 ntfs_bad_inode+0x71/0x150 fs/ntfs3/fsntfs.c:910 mi_enum_attr+0x7b9/0x9f0 fs/ntfs3/record.c:352 ntfs_read_mft fs/ntfs3/inode.c:123 [inline] ntfs_iget5+0x245b/0x3860 fs/ntfs3/inode.c:542 ntfs_fill_super+0x23ce/0x43d0 fs/ntfs3/super.c:1284 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692 vfs_get_tree+0x92/0x2b0 fs/super.c:1752 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3641 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3717 do_mount fs/namespace.c:4040 [inline] __do_sys_mount fs/namespace.c:4228 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4205 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6530f90e6a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffec7fac3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffec7fac450 RCX: 00007f6530f90e6a RDX: 00002000000002c0 RSI: 0000200000000040 RDI: 00007ffec7fac410 RBP: 00002000000002c0 R08: 00007ffec7fac450 R09: 0000000000000082 R10: 0000000000000082 R11: 0000000000000246 R12: 0000200000000040 R13: 00007ffec7fac410 R14: 000000000001f853 R15: 00002000000000c0 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 771458F5B for ; Sun, 9 Nov 2025 10:15:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762683336; cv=none; b=ITswxY4iyrCu5hR6qRiyxZ/sam8b52nkw5xT9QS4L/1r2JcVEzk5oaEulBXxwRzW/3Pt9hLNYqTr7+tGiK6MhpzslxkLwrM/wgmuO0dAhSbRsJLwGqaWgJvkfVrZL8KaScsA51wjq1PMUxvpD8bEHM90V4wjlWcFD4Puxh0t1EE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762683336; c=relaxed/simple; bh=q/qbJWFfFE5P6vG0JPZ59MczMNUFyCKYvENiFok2S2U=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=VkIRTqzLyY3rKqWdinTcRA7tSONAdQVxVBH75RHLVCQjjXfD5yWo4PCj/e9BArHJIiJyderuMe9mBAlkipzPPIpMg+cuzJlHdqoOM7BAsFf0PusdeyCEBdh75aYcQVPpGf/fmZZ5fsloiTUuzl+dQYTAdGSiSfHYTlZeME58WS0= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-43331f93979so19720015ab.1 for ; Sun, 09 Nov 2025 02:15:34 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762683333; x=1763288133; 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=NWfewmnudh1KlyEWNvuVvB5Kgj50o7QInWoa1pVfLis=; b=ipmEFPeZkR0o9IuFIfUepEP68Y1KVadFnTOuD5j725TfpZDbnw70mHHgLWQlSn5mz9 FAgt0GmpiW0VFBsH1kSNEH7kSFP0lRJximH+pQwvWsQse/VMV9LNJVMH5tIwZsvJlPrg 0E+IZz77ixduCn4Z1dq+MXvtuzKqGUSbxBYQemABiacpsZt7p6gISIqIjh6jpPsJWW/e KWo4eHxlqvXnMaiMZPQ1xAHU/6A3YzS73uCCWEB7i3hMt2Pe0SXTED2GUtx6ch1cTmAo vllqV98d4RGKal4KZEr5ps6MOlVVxnxdHpEnXHFvhOkeyuI7dEvhr+seoVy5Js+xidW8 p3eA== X-Forwarded-Encrypted: i=1; AJvYcCUkxkv8wHBU21HtkFUMd3zsG5cqpr77yce+NXRBcci/Fgs6dGW0nzwCjiX0xOBEojGFvhK9Qw==@lists.linux.dev X-Gm-Message-State: AOJu0YyF20GLsbqvRoPTN7tdF2sFswZDnO9EEbTD9hwwKeGOtw99DsDC nMJ5zVWwmsQGbjageurAlRn8S240ucXgpLRth0kes8OuoRTjLw2Jb/IZH1ZmV9yis1UmhlkDbEJ /oiK3+Tc0dyEkC1KthLKvIDgfdu0tHSQf044VyVaClLFZ7TAOuyxXXRQMqLs= X-Google-Smtp-Source: AGHT+IEbcKnfSa5fRGJI6MUUWScp8I9DxMyTDf8/KLrLsOwjjl8LC6bhITS7iNJ8+amgcbqzNaoHjpmnfLUcajxKRTAphhZ1AsKm Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fc3:b0:433:43fb:37dd with SMTP id e9e14a558f8ab-43367de214emr71758115ab.5.1762683333724; Sun, 09 Nov 2025 02:15:33 -0800 (PST) Date: Sun, 09 Nov 2025 02:15:33 -0800 In-Reply-To: <68fc0765.a00a0220.9662e.000e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691069c5.a70a0220.22f260.00aa.GAE@google.com> Subject: Re: [syzbot] [f2fs?] WARNING in get_data From: syzbot To: almaz.alexandrovich@paragon-software.com, chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: 9c0826a5d9aa Add linux-next specific files for 20251107 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11c44b42580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f2ebeee52bf052b8 dashboard link: https://syzkaller.appspot.com/bug?extid=f5d91b1897d5b094c6b4 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=16263084580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14496a92580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/32b5c04a0baa/disk-9c0826a5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9438206c142a/vmlinux-9c0826a5.xz kernel image: https://storage.googleapis.com/syzbot-assets/129cd0208baa/bzImage-9c0826a5.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/be89fc48acf0/mount_3.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f5d91b1897d5b094c6b4@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Different NTFS sector size (1024) and media sector size (512). ------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#1: syz.0.541/6553 Modules linked in: CPU: 1 UID: 0 PID: 6553 Comm: syz.0.541 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278 Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 47 1f 00 90 <0f> 0b 90 eb 05 e8 7c 47 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41 RSP: 0018:ffffc9000c0eec40 EFLAGS: 00010293 RAX: ffffffff81a238a9 RBX: 00003fffffffffff RCX: ffff888026123d00 RDX: 0000000000000000 RSI: 00003fffffffffff RDI: 0000000000000000 RBP: 0000000000000012 R08: 0000000000000f4d R09: 0000003b6994bf6b R10: 0000003b6994bf6b R11: 0000199962000021 R12: 0000000000000012 R13: 0000000000000000 R14: ffffc9000c0eed88 R15: 1ffffffff1bca6c2 FS: 000055557ac66500(0000) GS:ffff888125fc2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffec7fad000 CR3: 000000002ea20000 CR4: 00000000003526f0 Call Trace: copy_data kernel/printk/printk_ringbuffer.c:1857 [inline] prb_read kernel/printk/printk_ringbuffer.c:1966 [inline] _prb_read_valid+0x672/0xa90 kernel/printk/printk_ringbuffer.c:2143 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2215 printk_get_next_message+0x15c/0x7b0 kernel/printk/printk.c:2978 console_emit_next_record kernel/printk/printk.c:3062 [inline] console_flush_one_record kernel/printk/printk.c:3194 [inline] console_flush_all+0x4cc/0xb10 kernel/printk/printk.c:3268 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline] console_unlock+0xbb/0x190 kernel/printk/printk.c:3338 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423 _printk+0xcf/0x120 kernel/printk/printk.c:2448 ntfs_inode_printk+0x5fd/0x700 fs/ntfs3/super.c:156 ntfs_bad_inode+0x71/0x150 fs/ntfs3/fsntfs.c:910 mi_enum_attr+0x7b9/0x9f0 fs/ntfs3/record.c:352 ntfs_read_mft fs/ntfs3/inode.c:123 [inline] ntfs_iget5+0x245b/0x3860 fs/ntfs3/inode.c:542 ntfs_fill_super+0x23ce/0x43d0 fs/ntfs3/super.c:1284 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692 vfs_get_tree+0x92/0x2b0 fs/super.c:1752 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3641 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3717 do_mount fs/namespace.c:4040 [inline] __do_sys_mount fs/namespace.c:4228 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4205 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6530f90e6a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffec7fac3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffec7fac450 RCX: 00007f6530f90e6a RDX: 00002000000002c0 RSI: 0000200000000040 RDI: 00007ffec7fac410 RBP: 00002000000002c0 R08: 00007ffec7fac450 R09: 0000000000000082 R10: 0000000000000082 R11: 0000000000000246 R12: 0000200000000040 R13: 00007ffec7fac410 R14: 000000000001f853 R15: 00002000000000c0 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.