R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cfc28 R14: 00000000004bfd60 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19478 Comm: syz-executor2 Not tainted 4.19.0-rc4-next-20180921+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_lapic_hv_timer_in_use+0x5c/0xe0 arch/x86/kvm/lapic.c:1622 Code: 3c 02 00 0f 85 8b 00 00 00 48 8b 9b e0 03 00 00 e8 49 fa 64 00 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 44 0f b6 63 kobject: 'loop1' (0000000092fd9128): kobject_uevent_env RSP: 0018:ffff8801958aef50 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90006c6d000 kobject: 'loop1' (0000000092fd9128): fill_kobj_path: path = '/devices/virtual/block/loop1' RDX: 000000000000000f RSI: ffffffff811856e7 RDI: 000000000000007c RBP: ffff8801958aef60 R08: ffff880192584500 R09: ffffed00328cfc64 R10: ffffed00328cfc64 R11: ffff88019467e327 R12: 0000000000000000 R13: 1ffff10032b15df2 R14: 0000000000000000 R15: ffff880194678820 FS: 00007f207d6d1700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda84496000 CR3: 00000001cbfa6000 CR4: 00000000001426f0 Call Trace: kvm_arch_vcpu_load+0x516/0x970 arch/x86/kvm/x86.c:3128 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3974 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] finish_task_switch+0x3d7/0x900 kernel/sched/core.c:2684 context_switch kernel/sched/core.c:2833 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3479 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3706 retint_kernel+0x1b/0x2d RIP: 0010:init_srcu_struct_nodes kernel/rcu/srcutree.c:150 [inline] RIP: 0010:init_srcu_struct_fields+0xa20/0x1470 kernel/rcu/srcutree.c:191 Code: 7e 78 e8 d3 e7 01 00 49 8d be e0 00 00 00 48 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 74 06 0f 8e cf 05 00 00 48 8b 85 48 fe ff ff <41> c6 86 e0 00 00 00 00 48 c1 e8 03 80 3c 18 00 0f 85 da 05 00 00 RSP: 0018:ffff8801958af420 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffc90010639050 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 1ffffd1ffff93c51 RSI: 0000000000000001 RDI: ffffe8ffffc9e2a0 RBP: ffff8801958af600 R08: ffff880192584500 R09: 0000000000000000 R10: ffffed003b5a5b57 R11: ffff8801dad2dabb R12: 0000000000000000 R13: 0000000000000000 R14: ffffe8ffffc9e1c0 R15: 0000000000000000 __init_srcu_struct+0x54/0x60 kernel/rcu/srcutree.c:207 kvm_page_track_init+0x27/0x60 arch/x86/kvm/page_track.c:177 kvm_arch_init_vm+0x5c3/0x750 arch/x86/kvm/x86.c:8859 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:643 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3188 [inline] kvm_dev_ioctl+0x4c4/0x1ae0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3240 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f207d6d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f207d6d16d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000008 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cfc28 R14: 00000000004bfd60 R15: 0000000000000000 Modules linked in: ---[ end trace d5ad662c48cf50c9 ]--- RIP: 0010:kvm_lapic_hv_timer_in_use+0x5c/0xe0 arch/x86/kvm/lapic.c:1622 Code: 3c 02 00 0f 85 8b 00 00 00 48 8b 9b e0 03 00 00 e8 49 fa 64 00 48 8d 7b 7c 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 44 0f b6 63 RSP: 0018:ffff8801958aef50 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90006c6d000 RDX: 000000000000000f RSI: ffffffff811856e7 RDI: 000000000000007c RBP: ffff8801958aef60 R08: ffff880192584500 R09: ffffed00328cfc64 R10: ffffed00328cfc64 R11: ffff88019467e327 R12: 0000000000000000 R13: 1ffff10032b15df2 R14: 0000000000000000 R15: ffff880194678820 FS: 00007f207d6d1700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda84496000 CR3: 00000001cbfa6000 CR4: 00000000001426f0