Kernel crash is observed when using KVM hypervisors in Azure

Solution Verified - Updated -

Issue

  • Kernel crash is observed when using KVM hypervisors in Azure
  BUG: kernel NULL pointer dereference, address: 0000000000000338
  PGD 4e1775067 P4D 0
  Oops: 0002 [#1] PREEMPT SMP NOPTI
  ...
  RIP: 0010:vmx_msr_bitmap_l01_changed+0x39/0x50 [kvm_intel]
  ...
  Call Trace:
   vmx_disable_intercept_for_msr+0x36/0x260 [kvm_intel]
   vmx_vcpu_create+0xe6/0x540 [kvm_intel]
   kvm_arch_vcpu_create+0x1d1/0x2e0 [kvm]
   kvm_vm_ioctl_create_vcpu+0x178/0x430 [kvm]
   kvm_vm_ioctl+0x53f/0x790 [kvm]
   __x64_sys_ioctl+0x8a/0xc0
   do_syscall_64+0x5c/0x90
   entry_SYSCALL_64_after_hwframe+0x63/0xcd

Environment

  • Red Hat Enterprise Linux 9.
  • Azure VM with nested virtualization, Standard_D16ds_v5

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