Comment 8 for bug 1813752

I also encountered this issue on Ubuntu 16.04.6 LTS, kernel 4.15.0-48-generic, on ThinkSystem SR650.

Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.471731] BUG: unable to handle kernel NULL pointer dereference at 000000000000000c
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.480702] IP: __atime_needs_update+0x14/0x190
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.485975] PGD 8000002f64967067 P4D 8000002f64967067 PUD 2f8e4f3067 PMD 0
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.493982] Oops: 0000 [#1] SMP PTI
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.498082] Modules linked in: cfg80211 tcp_diag inet_diag cls_fw sch_sfq sch_prio ip6table_
filter ip6_tables iptable_filter xt_length xt_tcpudp xt_mark xt_DSCP xt_dscp iptable_mangle ip_tables x_tables xfs bonding nls_iso8859_1 inte
l_rapl skx_edac x86_pkg_temp_thermal coretemp kvm_intel kvm cdc_ether irqbypass ipmi_ssif usbnet mii ipmi_si intel_cstate intel_rapl_perf ioa
tdma shpchp ipmi_devintf mei_me dca lpc_ich mei acpi_power_meter ipmi_msghandler mac_hid ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libisc
si_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xo
r raid6_pq libcrc32c raid0 multipath linear raid1 ses enclosure bcache mgag200 i2c_algo_bit ttm crct10dif_pclmul drm_kms_helper crc32_pclmul
syscopyarea
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.577343] ghash_clmulni_intel sysfillrect pcbc sysimgblt aesni_intel fb_sys_fops aes_x86_
64 mpt3sas i40e crypto_simd glue_helper nvme raid_class ptp cryptd scsi_transport_sas nvme_core drm pps_core ahci libahci wmi
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.599139] CPU: 35 PID: 1576340 Comm: node_exporter Not tainted 4.15.0-48-generic #51~16.04
.1-Ubuntu
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.609647] Hardware name: Lenovo ThinkSystem SR650 -[7X06CTO1WW]-/-[7X06CTO1WW]-, BIOS -[IV
E116S-1.20]- 02/08/2018
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.621519] RIP: 0010:__atime_needs_update+0x14/0x190
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.627363] RSP: 0018:ffffb1b3cef1fbf8 EFLAGS: 00010202
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.633402] RAX: ffff8cb619b45200 RBX: ffff8ca4bb97d026 RCX: 0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.641578] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffb1b3cef1fde8
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.649755] RBP: ffffb1b3cef1fc28 R08: fefefefefefefeff R09: ffffb1b3cef1fb8c
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.657923] R10: 2f2f2f2f2f2f2f2f R11: ffff8cb619b45238 R12: 8080808080808080
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.666099] R13: 0000000000000000 R14: ffffb1b3cef1fde8 R15: ffffb1b3cef1fd90
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.674276] FS: 00007fa6027fc700(0000) GS:ffff8ca99ff40000(0000) knlGS:0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.683521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.690144] CR2: 000000000000000c CR3: 0000002f98d10005 CR4: 00000000007606e0
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.698321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.706498] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.714676] PKRU: 55555554
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.717898] Call Trace:
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.720833] link_path_walk+0x434/0x5e0
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.725318] ? path_init+0x1d9/0x310
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.729511] path_openat+0xf7/0x13f0
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.733704] ? ttwu_do_wakeup+0x1e/0x150
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.738280] ? ___slab_alloc+0x223/0x4e0
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.742863] do_filp_open+0x99/0x110
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.747056] do_sys_open+0x12d/0x290
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.751242] ? do_sys_open+0x12d/0x290
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.755630] SyS_openat+0x14/0x20
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.759534] do_syscall_64+0x73/0x130
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.763827] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.769672] RIP: 0033:0x47deba
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.773282] RSP: 002b:000000c420fc6968 EFLAGS: 00000216 ORIG_RAX: 0000000000000101
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.781948] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047deba
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.790126] RDX: 0000000000080000 RSI: 000000c4221851e0 RDI: ffffffffffffff9c
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.798305] RBP: 000000c420fc69e8 R08: 0000000000000000 R09: 0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.807213] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.816090] R13: 0000000000000000 R14: 000000000045c020 R15: 0000000000000000
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.824962] Code: 48 89 c3 74 08 48 89 c7 e8 ba d3 ff ff 48 89 d8 5b 5d c3 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 41 52 53 <f6> 46 0c 02 0f 85 c3 00 00 00 83 7e 04 ff 0f 84 b9 00 00 00 83
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.847678] RIP: __atime_needs_update+0x14/0x190 RSP: ffffb1b3cef1fbf8
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.855875] CR2: 000000000000000c
Jul 6 07:29:04 ic-defraf1-s4ahu919 kernel: [2837234.860472] ---[ end trace 26a7cc52c75af16b ]---