[Bug 2054127] [NEW] grub-efi crashes upon `exit`

[Mate Kukri]

Public bug reported:

grub> exit
!!!! X64 Exception Type - 06(#UD - Invalid Opcode)  CPU Apic ID - 00000000 !!!!
RIP  - 000000005AE781A6, CS  - 0000000000000038, RFLAGS - 0000000000210202
RAX  - 000000005C903E90, RCX - 000000005D93B918, RDX - 000000E8DB694800
RBX  - 8000000000000001, RSP - 000000007EEF4AE8, RBP - 000000007EEF04A0
RSI  - 000000007EF09440, RDI - 000000007F703B48
R8   - 0000000000000000, R9  - 0000000000000000, R10 - 000000005C8F147C
R11  - 000000005ABB1340, R12 - 0000000000000000, R13 - 000000005ADA7C13
R14  - 000000005C8F15AB, R15 - 000000005C9040A0
DS   - 0000000000000030, ES  - 0000000000000030, FS  - 0000000000000030
GS   - 0000000000000030, SS  - 0000000000000030
CR0  - 0000000080010033, CR2 - 0000000000000000, CR3 - 000000005EC01000
CR4  - 0000000000000668, CR8 - 0000000000000000
DR0  - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
DR3  - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
GDTR - 000000005E9E0000 0000000000000047, LDTR - 0000000000000000
IDTR - 000000005E39F018 0000000000000FFF,   TR - 0000000000000000
FXSAVE_STATE - 000000007EEF4740
!!!! Find image based on IP(0x5AE781A6) (No PDB)  (ImageBase=0000000054CDB000, EntryPoint=0000000055A70304) !!!!

Exiting grub-efi causes my OVMF virtual machine to crash with the above
error.

The #UD likely comes from some global hook not being uninstalled.

** Affects: grub2-unsigned (Ubuntu)
     Importance: Medium
     Assignee: Mate Kukri (mkukri)
         Status: New


** Tags: foundations-todo

** Changed in: grub2-unsigned (Ubuntu)
     Assignee: (unassigned) => Mate Kukri (mkukri)

** Changed in: grub2-unsigned (Ubuntu)
   Importance: Undecided => Medium

** Tags added: foundations-todo

** Description changed:

  grub> exit
  !!!! X64 Exception Type - 06(#UD - Invalid Opcode)  CPU Apic ID - 00000000 !!!!
  RIP  - 000000005AE781A6, CS  - 0000000000000038, RFLAGS - 0000000000210202
  RAX  - 000000005C903E90, RCX - 000000005D93B918, RDX - 000000E8DB694800
  RBX  - 8000000000000001, RSP - 000000007EEF4AE8, RBP - 000000007EEF04A0
  RSI  - 000000007EF09440, RDI - 000000007F703B48
  R8   - 0000000000000000, R9  - 0000000000000000, R10 - 000000005C8F147C
  R11  - 000000005ABB1340, R12 - 0000000000000000, R13 - 000000005ADA7C13
  R14  - 000000005C8F15AB, R15 - 000000005C9040A0
  DS   - 0000000000000030, ES  - 0000000000000030, FS  - 0000000000000030
  GS   - 0000000000000030, SS  - 0000000000000030
  CR0  - 0000000080010033, CR2 - 0000000000000000, CR3 - 000000005EC01000
  CR4  - 0000000000000668, CR8 - 0000000000000000
  DR0  - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
  DR3  - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
  GDTR - 000000005E9E0000 0000000000000047, LDTR - 0000000000000000
  IDTR - 000000005E39F018 0000000000000FFF,   TR - 0000000000000000
  FXSAVE_STATE - 000000007EEF4740
  !!!! Find image based on IP(0x5AE781A6) (No PDB)  (ImageBase=0000000054CDB000, EntryPoint=0000000055A70304) !!!!
  
- Exiting grub-efi causes my OVMF virtual machine to crash with the
- following error.
+ Exiting grub-efi causes my OVMF virtual machine to crash with the above
+ error.
  
  The #UD likely comes from some global hook not being uninstalled.

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2-unsigned in Ubuntu.
https://bugs.launchpad.net/bugs/2054127

Title:
  grub-efi crashes upon `exit`

Status in grub2-unsigned package in Ubuntu:
  New

Bug description:
  grub> exit
  !!!! X64 Exception Type - 06(#UD - Invalid Opcode)  CPU Apic ID - 00000000 !!!!
  RIP  - 000000005AE781A6, CS  - 0000000000000038, RFLAGS - 0000000000210202
  RAX  - 000000005C903E90, RCX - 000000005D93B918, RDX - 000000E8DB694800
  RBX  - 8000000000000001, RSP - 000000007EEF4AE8, RBP - 000000007EEF04A0
  RSI  - 000000007EF09440, RDI - 000000007F703B48
  R8   - 0000000000000000, R9  - 0000000000000000, R10 - 000000005C8F147C
  R11  - 000000005ABB1340, R12 - 0000000000000000, R13 - 000000005ADA7C13
  R14  - 000000005C8F15AB, R15 - 000000005C9040A0
  DS   - 0000000000000030, ES  - 0000000000000030, FS  - 0000000000000030
  GS   - 0000000000000030, SS  - 0000000000000030
  CR0  - 0000000080010033, CR2 - 0000000000000000, CR3 - 000000005EC01000
  CR4  - 0000000000000668, CR8 - 0000000000000000
  DR0  - 0000000000000000, DR1 - 0000000000000000, DR2 - 0000000000000000
  DR3  - 0000000000000000, DR6 - 00000000FFFF0FF0, DR7 - 0000000000000400
  GDTR - 000000005E9E0000 0000000000000047, LDTR - 0000000000000000
  IDTR - 000000005E39F018 0000000000000FFF,   TR - 0000000000000000
  FXSAVE_STATE - 000000007EEF4740
  !!!! Find image based on IP(0x5AE781A6) (No PDB)  (ImageBase=0000000054CDB000, EntryPoint=0000000055A70304) !!!!

  Exiting grub-efi causes my OVMF virtual machine to crash with the
  above error.

  The #UD likely comes from some global hook not being uninstalled.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127/+subscriptions