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cruisek

WARNING in kvm_mmu_uninit_tdp_mmu

cruisek
Jan 9th, 2022
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  1.  
  2. [ 1626.044923][T29657] ------------[ cut here ]------------
  3. [ 1626.045919][T29657] WARNING: CPU: 5 PID: 29657 at arch/x86/kvm/mmu/tdp_mmu.c:46 kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  4. [ 1626.047488][T29657] Modules linked in:
  5. [ 1626.048073][T29657] CPU: 5 PID: 29657 Comm: syz-executor.5 Not tainted 5.16.0-rc8+ #10
  6. [ 1626.049293][T29657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  7. [ 1626.050744][T29657] RIP: 0010:kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  8. [ 1626.051642][T29657] Code: ea 03 80 3c 02 00 75 39 48 8b 83 e8 ae 00 00 48 39 c5 75 1a e8 48 86 5a 00 e8 e3 bf 46 00 5b 5d e9 3c 86 5a 00 e8 37 86 5a 00 <0f> 0b eb b7 e8 2e 86 5a 00 0f 0b eb dd e8 a5 38 a1 00 e9 60 ff ff
  9. [ 1626.055597][T29657] RSP: 0018:ffffc90016057b30 EFLAGS: 00010246
  10. [ 1626.056477][T29657] RAX: 0000000000000000 RBX: ffffc90015f89000 RCX: ffff888130d18000
  11. [ 1626.057925][T29657] RDX: 0000000000000000 RSI: ffff888130d18000 RDI: 0000000000000002
  12. [ 1626.059690][T29657] RBP: ffffc90015f93ef8 R08: ffffffff811cc8f9 R09: 0000000000000000
  13. [ 1626.061553][T29657] R10: 0000000000000001 R11: fffffbfff20e793a R12: ffffc90015f8b1c8
  14. [ 1626.063502][T29657] R13: 0000000000000003 R14: ffffc90015f8b1e8 R15: dffffc0000000000
  15. [ 1626.065228][T29657] FS: 00007f7f240cb700(0000) GS:ffff888135d00000(0000) knlGS:0000000000000000
  16. [ 1626.066414][T29657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  17. [ 1626.067378][T29657] CR2: 000055f76caf3498 CR3: 0000000123d22000 CR4: 0000000000350ee0
  18. [ 1626.068810][T29657] Call Trace:
  19. [ 1626.069777][T29657] <TASK>
  20. [ 1626.070248][T29657] kvm_arch_destroy_vm+0x42b/0x5b0
  21. [ 1626.071251][T29657] kvm_put_kvm+0x4e9/0xbd0
  22. [ 1626.072094][T29657] kvm_vcpu_release+0x4d/0x70
  23. [ 1626.073450][T29657] __fput+0x286/0x9f0
  24. [ 1626.074093][T29657] ? kvm_vm_release+0x50/0x50
  25. [ 1626.074760][T29657] task_work_run+0xe0/0x1a0
  26. [ 1626.075386][T29657] get_signal+0x1fb5/0x25e0
  27. [ 1626.075984][T29657] ? kfree+0x230/0x4c0
  28. [ 1626.076634][T29657] ? __sanitizer_cov_trace_pc+0x1a/0x40
  29. [ 1626.077447][T29657] ? kvm_vcpu_ioctl+0x323/0xf50
  30. [ 1626.078194][T29657] arch_do_signal_or_restart+0x2ed/0x1c40
  31. [ 1626.078997][T29657] ? find_held_lock+0x2d/0x110
  32. [ 1626.079718][T29657] ? get_sigframe_size+0x10/0x10
  33. [ 1626.080386][T29657] ? __sanitizer_cov_trace_pc+0x1a/0x40
  34. [ 1626.081248][T29657] ? kick_process+0xf2/0x190
  35. [ 1626.081968][T29657] exit_to_user_mode_prepare+0x192/0x2a0
  36. [ 1626.082799][T29657] syscall_exit_to_user_mode+0x19/0x60
  37. [ 1626.083911][T29657] do_syscall_64+0x42/0xb0
  38. [ 1626.084585][T29657] entry_SYSCALL_64_after_hwframe+0x44/0xae
  39. [ 1626.085414][T29657] RIP: 0033:0x7f7f257dd89d
  40. [ 1626.086101][T29657] Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
  41. [ 1626.088923][T29657] RSP: 002b:00007f7f240cac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
  42. [ 1626.090223][T29657] RAX: 0000000000000000 RBX: 00007f7f258fd2a0 RCX: 00007f7f257dd89d
  43. [ 1626.091426][T29657] RDX: 0000000000000000 RSI: 000000000000ae9a RDI: 0000000000000005
  44. [ 1626.092693][T29657] RBP: 00007f7f2584a00d R08: 0000000000000000 R09: 0000000000000000
  45. [ 1626.094233][T29657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
  46. [ 1626.095321][T29657] R13: 00007ffdf486b75f R14: 00007f7f258fd2a0 R15: 00007f7f240cadc0
  47. [ 1626.096415][T29657] </TASK>
  48. [ 1626.096949][T29657] Kernel panic - not syncing: panic_on_warn set ...
  49. [ 1626.097942][T29657] CPU: 5 PID: 29657 Comm: syz-executor.5 Not tainted 5.16.0-rc8+ #10
  50. [ 1626.099251][T29657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  51. [ 1626.100860][T29657] Call Trace:
  52. [ 1626.101411][T29657] <TASK>
  53. [ 1626.101960][T29657] dump_stack_lvl+0xcd/0x134
  54. [ 1626.102833][T29657] panic+0x2b0/0x6dd
  55. [ 1626.103523][T29657] ? print_oops_end_marker.cold+0x15/0x15
  56. [ 1626.104441][T29657] ? __warn.cold+0x5/0x2f
  57. [ 1626.105043][T29657] ? kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  58. [ 1626.105951][T29657] __warn.cold+0x20/0x2f
  59. [ 1626.106693][T29657] ? kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  60. [ 1626.107605][T29657] report_bug+0x273/0x300
  61. [ 1626.108390][T29657] handle_bug+0x3c/0x60
  62. [ 1626.109132][T29657] exc_invalid_op+0x14/0x40
  63. [ 1626.109890][T29657] asm_exc_invalid_op+0x12/0x20
  64. [ 1626.110710][T29657] RIP: 0010:kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  65. [ 1626.111758][T29657] Code: ea 03 80 3c 02 00 75 39 48 8b 83 e8 ae 00 00 48 39 c5 75 1a e8 48 86 5a 00 e8 e3 bf 46 00 5b 5d e9 3c 86 5a 00 e8 37 86 5a 00 <0f> 0b eb b7 e8 2e 86 5a 00 0f 0b eb dd e8 a5 38 a1 00 e9 60 ff ff
  66. [ 1626.114825][T29657] RSP: 0018:ffffc90016057b30 EFLAGS: 00010246
  67. [ 1626.115955][T29657] RAX: 0000000000000000 RBX: ffffc90015f89000 RCX: ffff888130d18000
  68. [ 1626.117374][T29657] RDX: 0000000000000000 RSI: ffff888130d18000 RDI: 0000000000000002
  69. [ 1626.118484][T29657] RBP: ffffc90015f93ef8 R08: ffffffff811cc8f9 R09: 0000000000000000
  70. [ 1626.119610][T29657] R10: 0000000000000001 R11: fffffbfff20e793a R12: ffffc90015f8b1c8
  71. [ 1626.120782][T29657] R13: 0000000000000003 R14: ffffc90015f8b1e8 R15: dffffc0000000000
  72. [ 1626.121944][T29657] ? kvm_mmu_uninit_tdp_mmu+0xb9/0xf0
  73. [ 1626.122735][T29657] kvm_arch_destroy_vm+0x42b/0x5b0
  74. [ 1626.123454][T29657] kvm_put_kvm+0x4e9/0xbd0
  75. [ 1626.124059][T29657] kvm_vcpu_release+0x4d/0x70
  76. [ 1626.124890][T29657] __fput+0x286/0x9f0
  77. [ 1626.125461][T29657] ? kvm_vm_release+0x50/0x50
  78. [ 1626.126172][T29657] task_work_run+0xe0/0x1a0
  79. [ 1626.127017][T29657] get_signal+0x1fb5/0x25e0
  80. [ 1626.127651][T29657] ? kfree+0x230/0x4c0
  81. [ 1626.128411][T29657] ? __sanitizer_cov_trace_pc+0x1a/0x40
  82. [ 1626.129225][T29657] ? kvm_vcpu_ioctl+0x323/0xf50
  83. [ 1626.130029][T29657] arch_do_signal_or_restart+0x2ed/0x1c40
  84. [ 1626.130970][T29657] ? find_held_lock+0x2d/0x110
  85. [ 1626.131666][T29657] ? get_sigframe_size+0x10/0x10
  86. [ 1626.132550][T29657] ? __sanitizer_cov_trace_pc+0x1a/0x40
  87. [ 1626.133415][T29657] ? kick_process+0xf2/0x190
  88. [ 1626.134155][T29657] exit_to_user_mode_prepare+0x192/0x2a0
  89. [ 1626.135050][T29657] syscall_exit_to_user_mode+0x19/0x60
  90. [ 1626.136024][T29657] do_syscall_64+0x42/0xb0
  91. [ 1626.136785][T29657] entry_SYSCALL_64_after_hwframe+0x44/0xae
  92. [ 1626.137755][T29657] RIP: 0033:0x7f7f257dd89d
  93. [ 1626.138488][T29657] Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
  94. [ 1626.141683][T29657] RSP: 002b:00007f7f240cac28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
  95. [ 1626.143058][T29657] RAX: 0000000000000000 RBX: 00007f7f258fd2a0 RCX: 00007f7f257dd89d
  96. [ 1626.144402][T29657] RDX: 0000000000000000 RSI: 000000000000ae9a RDI: 0000000000000005
  97. [ 1626.145643][T29657] RBP: 00007f7f2584a00d R08: 0000000000000000 R09: 0000000000000000
  98. [ 1626.146936][T29657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
  99. [ 1626.148251][T29657] R13: 00007ffdf486b75f R14: 00007f7f258fd2a0 R15: 00007f7f240cadc0
  100. [ 1626.149554][T29657] </TASK>
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