BFS-fs: bfs_fill_super(): No BFS filesystem on loop3 (magic=00000000) ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2102 Comm: syz-executor2 Not tainted 5.0.0-rc1+ #24 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 cc 1a 76 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 a7 1a 76 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:ffff888052c671b0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000a01c000 RDX: 0000000000000d4c RSI: ffffffff810bdcb9 RDI: 0000000000000007 RBP: ffff888052c671b0 R08: ffff8880a04be4c0 R09: fffff52001362047 R10: fffff52001362046 R11: ffffc90009b10237 R12: 0000000000000001 R13: ffff888085c20000 R14: ffff888052c67280 R15: ffff888095efe000 FS: 00007f57453ce700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888052c67280 CR3: 000000008ccbf000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 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+0x4e9/0x1030 arch/x86/kvm/vmx/vmx.c:1255 kvm_arch_vcpu_load+0x241/0x970 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:2487 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2493 [inline] finish_task_switch+0x3c7/0xac0 kernel/sched/core.c:2685 context_switch kernel/sched/core.c:2834 [inline] __schedule+0x89f/0x1e60 kernel/sched/core.c:3472 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3596 preempt_schedule+0x4b/0x60 kernel/sched/core.c:3622 ___preempt_schedule+0x16/0x18 vcpu_enter_guest+0x4cdd/0x6520 arch/x86/kvm/x86.c:7889 vcpu_run arch/x86/kvm/x86.c:7971 [inline] kvm_arch_vcpu_ioctl_run+0x425/0x16e0 arch/x86/kvm/x86.c:8171 kvm_vcpu_ioctl+0x558/0x12d0 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+0x107b/0x17d0 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+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f57453cdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57453ce6d4 R13: 00000000004c0e36 R14: 00000000004d28d8 R15: 00000000ffffffff Modules linked in: ---[ end trace d9d905852fb9e1c4 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 cc 1a 76 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 a7 1a 76 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: 1 PID: 2102 Comm: syz-executor2 Tainted: G D 5.0.0-rc1+ #24 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 cc 1a 76 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 a7 1a 76 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:ffff8880ae707c78 EFLAGS: 00010006 RAX: ffff8880a04be4c0 RBX: ffff88804b11b810 RCX: ffffffff8139cb1a RDX: 0000000000010000 RSI: ffffffff810bdcb9 RDI: 0000000000000007 RBP: ffff8880ae707c78 R08: ffff8880a04be4c0 R09: ffffed1015ce5ba9 R10: ffffed1015ce5ba8 R11: ffff8880ae72dd47 R12: 1ffff11015ce0f94 R13: ffff8880ae707cc0 R14: ffff8880ae707d20 R15: ffff888089392000 FS: 00007f57453ce700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae707cc0 CR3: 000000008ccbf000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline] loaded_vmcs_init+0xcb/0x320 arch/x86/kvm/vmx/vmx.c:565 __loaded_vmcs_clear+0x2c1/0x520 arch/x86/kvm/vmx/vmx.c:632 flush_smp_call_function_queue+0x1bb/0x640 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0x117/0x640 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+0xd46/0x11e0 kernel/printk/printk.c:2416 Code: 48 c1 e8 03 80 3c 08 00 0f 85 d2 03 00 00 48 83 3d 8e 9d 2a 08 00 0f 84 b9 02 00 00 e8 33 14 1a 00 48 8b bd 10 ff ff ff 57 9d <0f> 1f 44 00 00 e9 5c ff ff ff e8 1b 14 1a 00 48 8b 7d 08 c7 05 0d RSP: 0018:ffff888052c66b78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000a01c000 RDX: 0000000000040000 RSI: ffffffff8167e32d RDI: 0000000000000246 RBP: ffff888052c66c98 R08: ffff8880a04be4c0 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff899993a3 R12: 0000000000000000 R13: ffffffff849d5220 R14: ffffffff89f76d90 R15: 0000000000016401 vprintk_emit+0x370/0x960 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 cc 1a 76 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 a7 1a 76 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:ffff888052c671b0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000a01c000 RDX: 0000000000000d4c RSI: ffffffff810bdcb9 RDI: 0000000000000007 RBP: ffff888052c671b0 R08: ffff8880a04be4c0 R09: fffff52001362047 R10: fffff52001362046 R11: ffffc90009b10237 R12: 0000000000000001 R13: ffff888085c20000 R14: ffff888052c67280 R15: ffff888095efe000 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+0x4e9/0x1030 arch/x86/kvm/vmx/vmx.c:1255 kvm_arch_vcpu_load+0x241/0x970 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:2487 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2493 [inline] finish_task_switch+0x3c7/0xac0 kernel/sched/core.c:2685 context_switch kernel/sched/core.c:2834 [inline] __schedule+0x89f/0x1e60 kernel/sched/core.c:3472 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3596 preempt_schedule+0x4b/0x60 kernel/sched/core.c:3622 ___preempt_schedule+0x16/0x18 vcpu_enter_guest+0x4cdd/0x6520 arch/x86/kvm/x86.c:7889 vcpu_run arch/x86/kvm/x86.c:7971 [inline] kvm_arch_vcpu_ioctl_run+0x425/0x16e0 arch/x86/kvm/x86.c:8171 kvm_vcpu_ioctl+0x558/0x12d0 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+0x107b/0x17d0 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+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f57453cdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f57453ce6d4 R13: 00000000004c0e36 R14: 00000000004d28d8 R15: 00000000ffffffff Modules linked in: ---[ end trace d9d905852fb9e1c5 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 cc 1a 76 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 a7 1a 76 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:ffff888052c671b0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000a01c000 RDX: 0000000000000d4c RSI: ffffffff810bdcb9 RDI: 0000000000000007 RBP: ffff888052c671b0 R08: ffff8880a04be4c0 R09: fffff52001362047 R10: fffff52001362046 R11: ffffc90009b10237 R12: 0000000000000001 R13: ffff888085c20000 R14: ffff888052c67280 R15: ffff888095efe000 FS: 00007f57453ce700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae707cc0 CR3: 000000008ccbf000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400