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Mar 17th, 2024
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  1. WARNING: CPU: 0 PID: 314 at arch/x86/events/intel/lbr.c:956 intel_pmu_lbr_counters_reorder.isra.0+0xe6/0x4e0 arch/x86/events/intel/lbr.c:956
  2. Modules linked in:
  3. CPU: 0 PID: 314 Comm: syz-executor323 Not tainted 6.8.0-rc7 #1
  4. Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
  5. RIP: 0010:intel_pmu_lbr_counters_reorder.isra.0+0xe6/0x4e0 arch/x86/events/intel/lbr.c:956
  6. Code: 0f 85 ff 03 00 00 4c 8b a5 90 00 00 00 48 85 db 0f 85 c5 01 00 00 e8 09 09 5a 00 49 39 ec 0f 84 30 03 00 00 e8 fb 08 5a 00 90 <0f> 0b 90 c7 44 24 14 00 00 00 00 e8 ea 08 5a 00 48 8b 44 24 08 48
  7. RSP: 0000:fffffe06d8a4b8f0 EFLAGS: 00010046
  8. RAX: ffff8881110eaf80 RBX: ffff8881114d8000 RCX: ffffffff8f642ba5
  9. RDX: 0000000080110003 RSI: ffff8881114d8000 RDI: ffff8881114d84a8
  10. RBP: ffff8881114d8000 R08: fffffbfff29954b8 R09: ffffed102229b0d1
  11. R10: ffffed102229b0d0 R11: ffff8881114d8687 R12: dffffc0000000000
  12. R13: ffff8881c0022ec8 R14: ffff8881c0022bb8 R15: fffffe06d8a4bbc0
  13. FS: 0000555555ab4880(0000) GS:ffff8881c0000000(0000) knlGS:0000000000000000
  14. CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  15. CR2: 00007eff2fe39010 CR3: 0000000105540001 CR4: 0000000000770ef0
  16. DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  17. DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  18. PKRU: 55555554
  19. Call Trace:
  20. <NMI>
  21. intel_pmu_lbr_save_brstack+0x1af/0x350 arch/x86/events/intel/lbr.c:975
  22. handle_pmi_common+0x5aa/0x9a0 arch/x86/events/intel/core.c:3058
  23. intel_pmu_handle_irq+0x205/0xc70 arch/x86/events/intel/core.c:3121
  24. perf_event_nmi_handler arch/x86/events/core.c:1743 [inline]
  25. perf_event_nmi_handler+0x42/0x70 arch/x86/events/core.c:1729
  26. nmi_handle+0xaf/0x2e0 arch/x86/kernel/nmi.c:150
  27. default_do_nmi+0x54/0x160 arch/x86/kernel/nmi.c:350
  28. exc_nmi+0x132/0x170 arch/x86/kernel/nmi.c:544
  29. end_repeat_nmi+0xf/0x60
  30. RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
  31. RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
  32. RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
  33. RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:262 [inline]
  34. RIP: 0010:__intel_pmu_enable_all.constprop.0+0xf9/0x350 arch/x86/events/intel/core.c:2248
  35. Code: ea 03 80 3c 02 00 0f 85 f1 01 00 00 4c 8b a3 d0 0d 00 00 b9 8f 03 00 00 49 f7 d4 4d 21 f4 4c 89 e2 44 89 e0 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 e8 2d 69 5b 00 48 8d ab 00 02 00 00 be 08 00 00 00
  36. RSP: 0018:ffff888111bd7980 EFLAGS: 00000002
  37. RAX: 000000000000000f RBX: ffff8881c0022220 RCX: 000000000000038f
  38. RDX: 0000000000000007 RSI: 0000000000000008 RDI: ffff8881c0022ff0
  39. RBP: ffff8881c0022ba8 R08: 0000000000000021 R09: ffffed10380045ff
  40. R10: ffffed10380045fe R11: ffff8881c0022ff7 R12: 000000070000000f
  41. R13: 00000000000000b0 R14: 000000070000000f R15: 0000000000000021
  42. </NMI>
  43. <TASK>
  44. x86_pmu_enable+0x349/0xb20 arch/x86/events/core.c:1356
  45. perf_pmu_enable kernel/events/core.c:1153 [inline]
  46. perf_ctx_enable+0xed/0x170 kernel/events/core.c:706
  47. ctx_resched+0xa0/0xe0 kernel/events/core.c:2740
  48. __perf_install_in_context+0x2f1/0x820 kernel/events/core.c:2807
  49. remote_function kernel/events/core.c:92 [inline]
  50. remote_function+0x111/0x1a0 kernel/events/core.c:72
  51. csd_do_func kernel/smp.c:133 [inline]
  52. generic_exec_single kernel/smp.c:404 [inline]
  53. generic_exec_single+0x14f/0x390 kernel/smp.c:390
  54. smp_call_function_single+0x2bb/0x3a0 kernel/smp.c:647
  55. task_function_call+0xce/0x150 kernel/events/core.c:120
  56. perf_install_in_context+0x23e/0x480 kernel/events/core.c:2909
  57. __do_sys_perf_event_open+0x10a2/0x1d50 kernel/events/core.c:12768
  58. do_syscall_x64 arch/x86/entry/common.c:52 [inline]
  59. do_syscall_64+0xb4/0x1b0 arch/x86/entry/common.c:83
  60. entry_SYSCALL_64_after_hwframe+0x6f/0x77
  61. RIP: 0033:0x7eff2fdbebed
  62. Code: c3 e8 37 2a 00 00 0f 1f 80 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
  63. RSP: 002b:00007ffcbbb21e48 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
  64. RAX: ffffffffffffffda RBX: 000000000000bd9b RCX: 00007eff2fdbebed
  65. RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
  66. RBP: 0000000000000000 R08: 0000000000000000 R09: 000000002fd77c40
  67. R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffcbbb21e54
  68. R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
  69. </TASK>
  70. ---[ end trace 0000000000000000 ]---
  71. INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.678 msecs
  72. perf: interrupt took too long (20898 > 2500), lowering kernel.perf_event_max_sample_rate to 9000
  73. perf: interrupt took too long (26124 > 26122), lowering kernel.perf_event_max_sample_rate to 7000
  74. perf: interrupt took too long (32789 > 32655), lowering kernel.perf_event_max_sample_rate to 6000
  75. perf: interrupt took too long (41339 > 40986), lowering kernel.perf_event_max_sample_rate to 4000
  76. perf: interrupt took too long (51743 > 51673), lowering kernel.perf_event_max_sample_rate to 3000
  77. perf: interrupt took too long (64806 > 64678), lowering kernel.perf_event_max_sample_rate to 3000
  78. perf: interrupt took too long (81009 > 81007), lowering kernel.perf_event_max_sample_rate to 2000
  79. perf: interrupt took too long (101467 > 101261), lowering kernel.perf_event_max_sample_rate to 1000
  80. ----------------
  81. Code disassembly (best guess), 2 bytes skipped:
  82. 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
  83. 4: 0f 85 f1 01 00 00 jne 0x1fb
  84. a: 4c 8b a3 d0 0d 00 00 mov 0xdd0(%rbx),%r12
  85. 11: b9 8f 03 00 00 mov $0x38f,%ecx
  86. 16: 49 f7 d4 not %r12
  87. 19: 4d 21 f4 and %r14,%r12
  88. 1c: 4c 89 e2 mov %r12,%rdx
  89. 1f: 44 89 e0 mov %r12d,%eax
  90. 22: 48 c1 ea 20 shr $0x20,%rdx
  91. 26: 0f 30 wrmsr
  92. * 28: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction
  93. 2d: e8 2d 69 5b 00 callq 0x5b695f
  94. 32: 48 8d ab 00 02 00 00 lea 0x200(%rbx),%rbp
  95. 39: be 08 00 00 00 mov $0x8,%esi
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