Comment 0 for bug 1730374

Nov 06 04:19:13 lakshmi kernel: BUG: unable to handle kernel NULL pointer dereference at (null)
Nov 06 04:19:13 lakshmi kernel: IP: locked_inode_to_wb_and_lock_list+0x26/0x110
Nov 06 04:19:13 lakshmi kernel: PGD 0
Nov 06 04:19:14 lakshmi kernel: P4D 0
Nov 06 04:19:14 lakshmi kernel:
Nov 06 04:19:14 lakshmi kernel: Oops: 0000 [#1] SMP
Nov 06 04:19:14 lakshmi kernel: Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_
Nov 06 04:19:14 lakshmi kernel: async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath linear raid1 hid_g
Nov 06 04:19:14 lakshmi kernel: CPU: 0 PID: 67 Comm: kswapd0 Not tainted 4.13.0-16-generic #19-Ubuntu
Nov 06 04:19:14 lakshmi kernel: Hardware name: System manufacturer System Product Name/M4A89GTD-PRO/USB3, BIOS 3029 07/05/2012
Nov 06 04:19:14 lakshmi kernel: task: ffff93db5adc8000 task.stack: ffffb03b01d94000
Nov 06 04:19:14 lakshmi kernel: RIP: 0010:locked_inode_to_wb_and_lock_list+0x26/0x110
Nov 06 04:19:14 lakshmi kernel: RSP: 0018:ffffb03b01d97bc8 EFLAGS: 00010292
Nov 06 04:19:14 lakshmi kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff93d9758dfe28
Nov 06 04:19:14 lakshmi kernel: RDX: 0000000000000001 RSI: 0000000005080020 RDI: ffff93d9758dea58
Nov 06 04:19:14 lakshmi kernel: RBP: ffffb03b01d97bf0 R08: 0000000000000000 R09: ffff93d9cd655468
Nov 06 04:19:14 lakshmi kernel: R10: 0000000000000228 R11: 0000000000000000 R12: ffff93d9758dea58
Nov 06 04:19:14 lakshmi kernel: R13: ffff93d9758deae0 R14: 0000000000000000 R15: 0000000000000059
Nov 06 04:19:14 lakshmi kernel: FS: 0000000000000000(0000) GS:ffff93db77c00000(0000) knlGS:0000000000000000
Nov 06 04:19:14 lakshmi kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 06 04:19:14 lakshmi kernel: CR2: 0000000000000000 CR3: 00000001d7e08000 CR4: 00000000000006f0
Nov 06 04:19:14 lakshmi kernel: Call Trace:
Nov 06 04:19:14 lakshmi kernel: inode_io_list_del+0x23/0x50
Nov 06 04:19:14 lakshmi kernel: evict+0x55/0x1a0
Nov 06 04:19:14 lakshmi kernel: dispose_list+0x39/0x50
Nov 06 04:19:14 lakshmi kernel: prune_icache_sb+0x5a/0x80
Nov 06 04:19:14 lakshmi kernel: super_cache_scan+0x134/0x1b0
Nov 06 04:19:14 lakshmi kernel: shrink_slab.part.48+0x1d6/0x3d0
Nov 06 04:19:14 lakshmi kernel: shrink_slab+0x1b/0x30
Nov 06 04:19:14 lakshmi kernel: shrink_node+0x11e/0x300
Nov 06 04:19:14 lakshmi kernel: kswapd+0x2cc/0x750
Nov 06 04:19:14 lakshmi kernel: kthread+0x125/0x140
Nov 06 04:19:14 lakshmi kernel: ? mem_cgroup_shrink_node+0x180/0x180
Nov 06 04:19:14 lakshmi kernel: ? kthread_create_on_node+0x70/0x70
Nov 06 04:19:14 lakshmi kernel: ret_from_fork+0x25/0x30
Nov 06 04:19:14 lakshmi kernel: Code: 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 54 53 4c 8d af 88 00 00 00 49 89 fc
Nov 06 04:19:14 lakshmi kernel: RIP: locked_inode_to_wb_and_lock_list+0x26/0x110 RSP: ffffb03b01d97bc8
Nov 06 04:19:14 lakshmi kernel: CR2: 0000000000000000
Nov 06 04:19:14 lakshmi kernel: ---[ end trace 5aa11bcf674e53cc ]---

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-16-generic 4.13.0-16.19
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: ksta 3322 F.... pulseaudio
 /dev/snd/controlC0: ksta 3322 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 6 06:59:50 2017
HibernationDevice: RESUME=/dev/mapper/vg1-swap
InstallationDate: Installed on 2017-11-05 (0 days ago)
InstallationMedia: Ubuntu-Server 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
MachineType: System manufacturer System Product Name
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-16-generic root=/dev/mapper/vg1-root ro
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-16-generic N/A
 linux-backports-modules-4.13.0-16-generic N/A
 linux-firmware 1.169
RfKill:

SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/05/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3029
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A89GTD-PRO/USB3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3029:bd07/05/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A89GTD-PRO/USB3:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer