RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 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: 1 PID: 11005 Comm: syz-executor1 Not tainted 4.19.0-rc4+ #246 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_lapic_hv_timer_in_use+0x56/0xd0 arch/x86/kvm/lapic.c:1622 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 9f 7a 66 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 0f b6 5b 7c RSP: 0018:ffff88018e28ef18 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002654000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff88018e28ef20 R08: ffff8801bde2c380 R09: ffffed0031cdec2c R10: ffffed0031cdec2c R11: ffff88018e6f6167 R12: 0000000000000001 R13: 1ffff10031c51dea R14: 0000000000000000 R15: ffff88018e6f0660 FS: 00007f8cfca18700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f5bc4a518 CR3: 00000001bc90d000 CR4: 00000000001426e0 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:3975 __fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline] fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline] finish_task_switch+0x56e/0x900 kernel/sched/core.c:2679 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3473 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3700 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] RIP: 0010:lock_is_held_type+0x18b/0x210 kernel/locking/lockdep.c:3940 Code: ff df 41 c7 84 24 7c 08 00 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 75 63 48 83 3d 74 27 f2 07 00 74 30 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e8 5b 41 5c 41 5d 5d c3 48 83 c4 RSP: 0018:ffff88018e28f3e8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 RAX: dffffc0000000000 RBX: 0000000000000286 RCX: 0000000000000000 RDX: 1ffffffff12a453d RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff88018e28f408 R08: 0000000000000001 R09: 1ffffffff12b43d5 R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801bde2c380 R13: 0000000000000001 R14: ffff88018e28f568 R15: 0000000000000000 lock_is_held include/linux/lockdep.h:344 [inline] rcu_read_lock_held+0xa9/0xc0 kernel/rcu/update.c:285 hlist_bl_first_rcu include/linux/rculist_bl.h:24 [inline] __d_lookup+0x643/0x9e0 fs/dcache.c:2287 d_lookup+0x1e6/0x340 fs/dcache.c:2234 lookup_dcache+0x22/0x140 fs/namei.c:1508 lookup_one_len+0x1be/0x220 fs/namei.c:2542 start_creating+0xf2/0x220 fs/debugfs/inode.c:308 __debugfs_create_file+0x63/0x400 fs/debugfs/inode.c:347 debugfs_create_file+0x57/0x70 fs/debugfs/inode.c:399 kvm_create_vm_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:620 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3214 [inline] kvm_dev_ioctl+0xbe0/0x1b10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3241 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:00007f8cfca17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8cfca186d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000006 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cfc28 R14: 00000000004bfd60 R15: 0000000000000000 Modules linked in: ---[ end trace e592cfc3e56f2b2f ]--- RIP: 0010:kvm_lapic_hv_timer_in_use+0x56/0xd0 arch/x86/kvm/lapic.c:1622 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 9f 7a 66 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 0f b6 5b 7c kobject: 'loop4' (0000000011638649): kobject_uevent_env RSP: 0018:ffff88018e28ef18 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002654000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c kobject: 'loop4' (0000000011638649): fill_kobj_path: path = '/devices/virtual/block/loop4' RBP: ffff88018e28ef20 R08: ffff8801bde2c380 R09: ffffed0031cdec2c R10: ffffed0031cdec2c R11: ffff88018e6f6167 R12: 0000000000000001 R13: 1ffff10031c51dea R14: 0000000000000000 R15: ffff88018e6f0660 FS: 00007f8cfca18700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 QAT: Invalid ioctl CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f5bc4a518 CR3: 00000001bc90d000 CR4: 00000000001426e0