Server panic rebooted "BUG: unable to handle kernel paging request at ffffffff9085e530" in clocksource_list() due to Machine Check Exception.

Solution Verified - Updated -

Issue

[737888.147614] mce: [Hardware Error]: CPU 11: Machine Check Exception: 5 Bank 1: bf80000000000114
[737888.147636] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[737888.147639] BUG: unable to handle kernel paging request at ffffffff9085e530
[737888.147645] IP: [<ffffffff9085e530>] clocksource_list+0x0/0x10
[737888.147647] PGD 36e214067 PUD 36e215063 PMD 3fbc67b063 PTE 800000036e25e063
[737888.147649] Oops: 0011 [#1] SMP 
[737888.147688] Modules linked in: mptctl mptbase rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache bonding ipt_REJECT nf_reject_ipv4 iptable_filter sunrpc iTCO_wdt iTCO_vendor_support ipmi_ssif intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel pcc_cpufreq kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr joydev lpc_ich ioatdma sg hpilo hpwdt ipmi_si dca ipmi_devintf wmi ipmi_msghandler video acpi_power_meter binfmt_misc ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm crct10dif_pclmul crct10dif_common crc32c_intel serio_raw hpsa be2net drm_panel_orientation_quirks scsi_transport_sas dm_mirror dm_region_hash dm_log
[737888.147689]  dm_mod
[737888.147692] CPU: 9 PID: 0 Comm: swapper/9 Kdump: loaded Tainted: G   M           ------------   3.10.0-1160.53.1.el7.x86_64 #1
[737888.147694] Hardware name: HP ProLiant BL460c Gen8, BIOS I31 05/24/2019
[737888.147695] task: ffff9e39737ad280 ti: ffff9e39737c4000 task.ti: ffff9e39737c4000
[737888.147698] RIP: 0010:[<ffffffff9085e530>]  [<ffffffff9085e530>] clocksource_list+0x0/0x10
[737888.147700] RSP: 0018:ffff9e57ff843f78  EFLAGS: 00010003
[737888.147701] RAX: ffffffff9085e530 RBX: ffffffff9082f240 RCX: ffff9e57ff846290
[737888.147702] RDX: ffff9e39bfd7f400 RSI: 0000000000000001 RDI: ffffffff9082f240
[737888.147703] RBP: ffff9e57ff843fa0 R08: 0000000000000030 R09: 0000000000000000
[737888.147704] R10: ffffffff9095e000 R11: 0000000000000001 R12: 00000000000b425d
[737888.147705] R13: 0000000000000000 R14: 00000000532cd32e R15: 0000000000000002
[737888.147706] FS:  0000000000000000(0000) GS:ffff9e57ff840000(0000) knlGS:0000000000000000
[737888.147707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[737888.147708] CR2: ffffffff9085e530 CR3: 000000036e210000 CR4: 00000000001607e0
[737888.147709] Call Trace:
[737888.147714]  <IRQ> 
[737888.147714]  [<ffffffff8fd07c32>] ? ktime_get+0x52/0xe0
[737888.147718]  [<ffffffff8fd11435>] tick_check_idle+0x45/0xd0
[737888.147722]  [<ffffffff8fca4e57>] irq_enter+0x87/0xa0
[737888.147726]  [<ffffffff9039a9ff>] smp_apic_timer_interrupt+0x1f/0x60
[737888.147728]  [<ffffffff90396fba>] apic_timer_interrupt+0x16a/0x170
[737888.147730]  <EOI> 
[737888.147733]  <#MC> 
[737888.147733]  [<ffffffff9037bcc2>] ? wait_for_panic+0x11/0x4a
[737888.147737]  [<ffffffff8fc4b3ae>] mce_timed_out+0x7e/0x80
[737888.147739]  [<ffffffff8fc4d0d3>] do_machine_check+0x7f3/0xc70
[737888.147743]  [<ffffffff9038b544>] ? intel_idle+0xd4/0x225
[737888.147745]  [<ffffffff8fc4d5c5>] do_mce+0x15/0x20
[737888.147747]  [<ffffffff9038c7ce>] machine_check+0x1e/0x20
[737888.147750]  [<ffffffff9038b544>] ? intel_idle+0xd4/0x225
[737888.147754]  <EOE> 
[737888.147754]  [<ffffffff901c8db5>] cpuidle_enter_state+0x45/0xd0
[737888.147757]  [<ffffffff901c8f1e>] cpuidle_idle_call+0xde/0x230
[737888.147760]  [<ffffffff8fc37c8e>] arch_cpu_idle+0xe/0xc0
[737888.147763]  [<ffffffff8fd0181a>] cpu_startup_entry+0x14a/0x1e0
[737888.147768]  [<ffffffff8fc5a857>] start_secondary+0x1f7/0x270
[737888.147771]  [<ffffffff8fc000d5>] start_cpu+0x5/0x14
[737888.147794] Code: 00 00 00 08 e5 85 90 ff ff ff ff 08 e5 85 90 ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <38> f2 82 90 ff ff ff ff 78 e5 85 90 ff ff ff ff 00 a8 d0 8f ff 
[737888.147796] RIP  [<ffffffff9085e530>] clocksource_list+0x0/0x10
[737888.147796]  RSP <ffff9e57ff843f78>
[737888.147797] CR2: ffffffff9085e530

Environment

  • Red Hat Enterprise Linux
  • Physical Server

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