Kernel crashed due to BUG at arch/x86/kvm/mmu/mmu.c:907!

Solution In Progress - Updated -

Issue

  • kernel BUG at arch/x86/kvm/mmu/mmu.c:907!
  • kernel BUG at arch/x86/kvm/mmu/mmu.c:963!
[6479693.936495] __pte_list_remove: 00000000266145a5 0->BUG
[6479693.941881] ------------[ cut here ]------------
[6479693.941882] kernel BUG at arch/x86/kvm/mmu/mmu.c:907!
[6479693.947142] invalid opcode: 0000 [#1] SMP NOPTI
[6479693.951860] CPU: 87 PID: 63270 Comm: vnc_worker Kdump: loaded Tainted: G        W        --------- -  - 4.18.0-305.40.2.el8_4.x86_64 #1
[6479693.964234] Hardware name: Inspur NF5468M6/NF5468M6, BIOS 06.01.01 04/25/2022
[6479693.971590] RIP: 0010:__pte_list_remove.cold.146+0x16/0x48 [kvm]
[6479693.977786] Code: aa 20 c1 c6 05 7b 77 04 00 01 e8 0b 35 f5 f7 e9 65 5f fe ff 48 89 fa 48 c7 c6 00 4d 20 c1 48 c7 c7 6f 94 20 c1 e8 f0 34 f5 f7 <0f> 0b 48 89 fa 48 c7 c6 00 4d 20 c1 48 c7 c7 80 94 20 c1 e8 d8 34
[6479693.996764] RSP: 0018:ff836619b0847b50 EFLAGS: 00010246
[6479694.002178] RAX: 000000000000002a RBX: ff8366198dd71000 RCX: 0000000000000000
[6479694.009505] RDX: 0000000000000000 RSI: ff4a901fef9d6808 RDI: ff4a901fef9d6808
[6479694.016831] RBP: ff836619b0847bf0 R08: 0000000000001039 R09: 0000000000aaaaaa
[6479694.024164] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[6479694.031495] R13: ff836619b0847bf0 R14: 00000000000008d8 R15: 0000000000000000
[6479694.038826] FS:  0000000000000000(0000) GS:ff4a901fef9c0000(0000) knlGS:0000000000000000
[6479694.047112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[6479694.053050] CR2: 000000c001623000 CR3: 000000216a210002 CR4: 0000000000773ee0
[6479694.061064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[6479694.069034] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[6479694.076974] PKRU: 55555554
[6479694.080481] Call Trace:
[6479694.083747]  mmu_page_zap_pte+0x141/0x150 [kvm]
[6479694.089086]  __kvm_mmu_prepare_zap_page+0x6d/0x3d0 [kvm]
[6479694.095180]  ? __switch_to_asm+0x41/0x70
[6479694.099885]  kvm_mmu_zap_all+0x5e/0xe0 [kvm]
[6479694.104942]  kvm_mmu_notifier_release+0x26/0x40 [kvm]
[6479694.110786]  __mmu_notifier_release+0x150/0x1d0
[6479694.116099]  exit_mmap+0x33/0x180
[6479694.120198]  ? __ksm_exit+0x10e/0x1a0
[6479694.124652]  ? kmem_cache_free+0x37e/0x3b0
[6479694.129543]  ? __ksm_exit+0x10e/0x1a0
[6479694.134003]  mmput+0x54/0x130
[6479694.137776]  do_exit+0x337/0xac0
[6479694.141808]  ? __mod_memcg_lruvec_state+0x21/0x100
[6479694.147412]  ? page_add_new_anon_rmap+0x67/0xe0
[6479694.152767]  do_group_exit+0x3a/0xa0
[6479694.157173]  get_signal+0x158/0x870
[6479694.161495]  do_signal+0x36/0x660
[6479694.165650]  ? __audit_syscall_exit+0x249/0x2a0
[6479694.171027]  exit_to_usermode_loop+0x89/0xf0
[6479694.176155]  do_syscall_64+0x198/0x1a0
[6479694.180774]  entry_SYSCALL_64_after_hwframe+0x65/0xca

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

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