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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D927BECAAD3 for ; Thu, 15 Sep 2022 06:52:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229665AbiIOGwl (ORCPT ); Thu, 15 Sep 2022 02:52:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbiIOGwk (ORCPT ); Thu, 15 Sep 2022 02:52:40 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D79A51A3D for ; Wed, 14 Sep 2022 23:52:38 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id k12-20020a92c24c000000b002f18edda397so11927449ilo.13 for ; Wed, 14 Sep 2022 23:52:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=YRzv5Gcy4/mzJnqE/Oh11tN56w+9we0Bw9AMA0F1Rl0=; b=B2qHQVUXC5VgxWp3HvX/X9uGqKLhSRQc/HXoL/4S7V9ivvinkBR1eX/9NojavNK9Ld WWsQXRsGkZQKpS/fS0niKc01a1PB0Kv7V/PgkoztJU2a4BYyWaGhWsqrHxQJrP2XhLrS pVw1LVv3eXk5ET2v7G9U7mzNuP5m87Wyx2eD24eoU2Qjm2smAxzlMbTqSTW/9PFZxq11 3L9u5rsWUHisVQN8oRw1Ok5zI14uPD4FyYzGpWsLs1B4Wnki1Bv9AWPv3bDJeUocAjOV qU2WRgemlplDcEt5gAj9PsWZnTwp2jeGHAyx+U5a18U9T2ummGZpChCPqvnZDUPdazfa rBlA== X-Gm-Message-State: ACgBeo3OzfEUeWVsS3zqHdBzX5/UbzSunWyflIhaQB8tLOgmSg+wjMwn yOuaJNIS8N0IQ3NeOftHKLySNktuBuXhX+TjsaB+MG8ePRno X-Google-Smtp-Source: AA6agR4klKViFdcSJ9+NXNOBbBuyzX7yUk0SrgOGpmIdFyJVVaRF+X0EIlsUkqGnFPXDy9+P/xG1jkF8wOyaLpyLdSzANczjrZgn MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a8f:b0:2f1:dc7a:c514 with SMTP id k15-20020a056e021a8f00b002f1dc7ac514mr16487981ilv.242.1663224757752; Wed, 14 Sep 2022 23:52:37 -0700 (PDT) Date: Wed, 14 Sep 2022 23:52:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000de1bc505e8b1b012@google.com> Subject: [syzbot] BUG: unable to handle kernel paging request in writeback_single_inode (2) From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: b96fbd602d35 Merge tag 's390-6.0-4' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1078acbb080000 kernel config: https://syzkaller.appspot.com/x/.config?x=c79df237bd9a0448 dashboard link: https://syzkaller.appspot.com/bug?extid=cbe497b6194ae8171bf8 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8d9969364c8a/disk-b96fbd60.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/00883756a3a3/vmlinux-b96fbd60.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cbe497b6194ae8171bf8@syzkaller.appspotmail.com ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) ntfs3: loop4: RAW NTFS volume: Filesystem size 0.00 Gb > volume size 0.00 Gb. Mount in read-only BUG: unable to handle page fault for address: ffffffff81e3b77b #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD bc8f067 P4D bc8f067 PUD bc90063 PMD 1e001e1 Oops: 0003 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8235 Comm: syz-executor.4 Not tainted 6.0.0-rc4-syzkaller-00302-gb96fbd602d35 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:writeback_single_inode+0x1f7/0x4c0 fs/fs-writeback.c:1701 Code: ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 7b 02 00 00 45 8b 7c 24 20 bf 01 00 00 00 44 89 fe e8 e8 4d 98 41 83 ff 01 0f 85 26 ff ff ff e8 19 51 98 ff 48 8d 7d 30 48 b8 RSP: 0018:ffffc90013287a10 EFLAGS: 00010297 RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff81e3b7f8 RDX: ffff888023c21d80 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff888049b59870 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90013287a88 R13: ffff888049b59948 R14: ffff888049b598f8 R15: 0000000000000001 FS: 00007f31be027700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff81e3b77b CR3: 0000000067d28000 CR4: 0000000000350ef0 Call Trace: write_inode_now+0x16a/0x1e0 fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput.part.0+0x45b/0x810 fs/inode.c:1774 iput+0x58/0x70 fs/inode.c:1764 ntfs_fill_super+0x2e89/0x37f0 fs/ntfs3/super.c:1190 get_tree_bdev+0x440/0x760 fs/super.c:1323 vfs_get_tree+0x89/0x2f0 fs/super.c:1530 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1326/0x1e20 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f31bce8a8fa Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f31be026f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f31bce8a8fa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f31be026fe0 RBP: 00007f31be027020 R08: 00007f31be027020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f31be026fe0 R15: 000000002007aa80 Modules linked in: CR2: ffffffff81e3b77b ---[ end trace 0000000000000000 ]--- RIP: 0010:writeback_single_inode+0x1f7/0x4c0 fs/fs-writeback.c:1701 Code: ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 7b 02 00 00 45 8b 7c 24 20 bf 01 00 00 00 44 89 fe e8 e8 4d 98 41 83 ff 01 0f 85 26 ff ff ff e8 19 51 98 ff 48 8d 7d 30 48 b8 RSP: 0018:ffffc90013287a10 EFLAGS: 00010297 RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff81e3b7f8 RDX: ffff888023c21d80 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff888049b59870 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90013287a88 R13: ffff888049b59948 R14: ffff888049b598f8 R15: 0000000000000001 FS: 00007f31be027700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff81e3b77b CR3: 0000000067d28000 CR4: 0000000000350ef0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.