------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25847 Comm: syz-executor2 Not tainted 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop1' (000000005ab669e8): kobject_uevent_env RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 07 ca 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff888090b9f5f0 EFLAGS: 00010246 kobject: 'loop1' (000000005ab669e8): fill_kobj_path: path = '/devices/virtual/block/loop1' RAX: 0000000000040000 RBX: ffff888054dbc000 RCX: ffffc9000a21d000 RDX: 0000000000040000 RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff888090b9f5f0 R08: ffff8880562381c0 R09: fffff52002bd6247 R10: fffff52002bd6246 R11: ffffc90015eb1237 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880a030b000 R15: ffff888054dbf888 FS: 00007f215f150700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888090b9f6a0 CR3: 000000008b872000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000041 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_static_branch arch/x86/include/asm/jump_label.h:23 [inline] vmcs_load arch/x86/kvm/vmx/ops.h:200 [inline] vmx_vcpu_load+0x474/0xf90 arch/x86/kvm/vmx/vmx.c:1256 kobject: 'loop1' (000000005ab669e8): kobject_uevent_env kobject: 'loop1' (000000005ab669e8): fill_kobj_path: path = '/devices/virtual/block/loop1' kvm_arch_vcpu_load+0x1c5/0x890 arch/x86/kvm/x86.c:3207 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4111 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2500 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2506 [inline] finish_task_switch+0x28f/0x790 kernel/sched/core.c:2698 context_switch kernel/sched/core.c:2847 [inline] __schedule+0x81f/0x1cc0 kernel/sched/core.c:3485 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3609 preempt_schedule+0x4b/0x60 kernel/sched/core.c:3635 ___preempt_schedule+0x16/0x18 vcpu_enter_guest+0x4ad2/0x6290 arch/x86/kvm/x86.c:7890 vcpu_run arch/x86/kvm/x86.c:7973 [inline] kvm_arch_vcpu_ioctl_run+0x425/0x16e0 arch/x86/kvm/x86.c:8173 kvm_vcpu_ioctl+0x4dc/0xfa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f215f14fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f215f1506d4 R13: 00000000004c0d90 R14: 00000000004d2a98 R15: 00000000ffffffff Modules linked in: ---[ end trace 0f3f917d7207d505 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 07 ca 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 25847 Comm: syz-executor2 Tainted: G D 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 07 ca 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff8880ae807e80 EFLAGS: 00010006 RAX: ffff8880562381c0 RBX: ffff8880584d7810 RCX: ffffffff81329b9a RDX: 0000000000010000 RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff8880ae807e80 R08: ffff8880562381c0 R09: ffffed1015d05be9 R10: ffffed1015d05be8 R11: ffff8880ae82df47 R12: 1ffff11015d00fd3 R13: ffff8880a8c3d000 R14: ffff8880ae807ef8 R15: 0000000000000000 FS: 00007f215f150700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae807eb8 CR3: 000000008b872000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000041 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline] loaded_vmcs_init+0x95/0x250 arch/x86/kvm/vmx/vmx.c:566 __loaded_vmcs_clear+0x229/0x360 arch/x86/kvm/vmx/vmx.c:633 flush_smp_call_function_queue+0x14a/0x500 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0xa3/0x460 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:console_unlock+0xc0d/0x10a0 kernel/printk/printk.c:2416 Code: fc ff df 48 c1 e8 03 80 3c 08 00 0f 85 49 04 00 00 48 83 3d 94 56 38 07 00 0f 84 af 02 00 00 e8 b9 af 15 00 48 8b 7d 98 57 9d <0f> 1f 44 00 00 e9 5f ff ff ff e8 a4 af 15 00 48 8b 7d 08 c7 05 56 RSP: 0018:ffff888090b9f0f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000a21d000 RDX: 0000000000040000 RSI: ffffffff815a2b67 RDI: 0000000000000246 RBP: ffff888090b9f188 R08: ffff8880562381c0 R09: fffffbfff1133305 R10: fffffbfff1133304 R11: ffffffff88999823 R12: 0000000000000000 R13: ffffffff841a1770 R14: ffffffff88f81d70 R15: 0000000000011a01 vprintk_emit+0x280/0x6d0 kernel/printk/printk.c:1931 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 show_opcodes.cold+0x46/0x48 arch/x86/kernel/dumpstack.c:113 show_ip+0x32/0x38 arch/x86/kernel/dumpstack.c:126 show_iret_regs+0x14/0x38 arch/x86/kernel/dumpstack.c:131 __show_regs+0x1c/0x60 arch/x86/kernel/process_64.c:73 oops_end+0x7c/0xf0 arch/x86/kernel/dumpstack.c:347 die+0x3e/0x48 arch/x86/kernel/dumpstack.c:405 do_trap_no_signal arch/x86/kernel/traps.c:211 [inline] do_trap+0x101/0x230 arch/x86/kernel/traps.c:250 do_error_trap+0xd6/0x200 arch/x86/kernel/traps.c:277 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 07 ca 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff888090b9f5f0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888054dbc000 RCX: ffffc9000a21d000 RDX: 0000000000040000 RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff888090b9f5f0 R08: ffff8880562381c0 R09: fffff52002bd6247 R10: fffff52002bd6246 R11: ffffc90015eb1237 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880a030b000 R15: ffff888054dbf888 arch_static_branch arch/x86/include/asm/jump_label.h:23 [inline] vmcs_load arch/x86/kvm/vmx/ops.h:200 [inline] vmx_vcpu_load+0x474/0xf90 arch/x86/kvm/vmx/vmx.c:1256 kvm_arch_vcpu_load+0x1c5/0x890 arch/x86/kvm/x86.c:3207 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4111 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2500 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2506 [inline] finish_task_switch+0x28f/0x790 kernel/sched/core.c:2698 context_switch kernel/sched/core.c:2847 [inline] __schedule+0x81f/0x1cc0 kernel/sched/core.c:3485 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3609 preempt_schedule+0x4b/0x60 kernel/sched/core.c:3635 ___preempt_schedule+0x16/0x18 vcpu_enter_guest+0x4ad2/0x6290 arch/x86/kvm/x86.c:7890 vcpu_run arch/x86/kvm/x86.c:7973 [inline] kvm_arch_vcpu_ioctl_run+0x425/0x16e0 arch/x86/kvm/x86.c:8173 kvm_vcpu_ioctl+0x4dc/0xfa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f215f14fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f215f1506d4 R13: 00000000004c0d90 R14: 00000000004d2a98 R15: 00000000ffffffff Modules linked in: ---[ end trace 0f3f917d7207d506 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 2c ca 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 07 ca 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff888090b9f5f0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888054dbc000 RCX: ffffc9000a21d000 RDX: 0000000000040000 RSI: ffffffff810a1119 RDI: 0000000000000007 RBP: ffff888090b9f5f0 R08: ffff8880562381c0 R09: fffff52002bd6247 R10: fffff52002bd6246 R11: ffffc90015eb1237 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880a030b000 R15: ffff888054dbf888 FS: 00007f215f150700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae807eb8 CR3: 000000008b872000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000041 DR6: 00000000fffe0ff0 DR7: 0000000000000400