RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 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: 12696 Comm: syz-executor1 Not tainted 4.19.0-rc4+ #143 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:ffff88018108f238 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000265c000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff88018108f240 R08: ffff8801c1f7a700 R09: ffffed003315dd8c R10: ffffed003315dd8c R11: ffff880198aeec67 R12: 0000000000000000 R13: 1ffff10030211e4e R14: 0000000000000000 R15: ffff880198ae9160 FS: 0000000000000000(0000) GS:ffff8801dae00000(0063) knlGS:00000000f5feeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020200000 CR3: 00000001d26cc000 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: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:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline] RIP: 0010:read_seqbegin include/linux/seqlock.h:433 [inline] RIP: 0010:d_lookup+0x295/0x340 fs/dcache.c:2233 Code: c7 e8 29 52 89 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 ab 00 00 00 48 83 3d bf 46 7c 07 00 74 6e e8 20 f1 a8 ff 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 e8 fe ff ff e8 0c f1 a8 ff 0f 0b e8 05 f1 a8 ff RSP: 0018:ffff88018108f708 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc9000265c000 RDX: 0000000000008a62 RSI: ffffffff81d5e330 RDI: 0000000000000216 RBP: ffff88018108f7b8 R08: ffff8801c1f7afa0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff8801c1f7a700 R12: 0000000000000216 R13: ffffffff895229e0 R14: ffff88018108f790 R15: 0000000000000200 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 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline] __ia32_compat_sys_ioctl+0x20e/0x630 fs/compat_ioctl.c:1365 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7ff2ca9 Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5fee0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000000ae01 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 6ed844925cd3fc17 ]--- 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:ffff88018108f238 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000265c000 kobject: 'loop0' (00000000127b3e73): kobject_uevent_env RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff88018108f240 R08: ffff8801c1f7a700 R09: ffffed003315dd8c R10: ffffed003315dd8c R11: ffff880198aeec67 R12: 0000000000000000 kobject: 'loop0' (00000000127b3e73): fill_kobj_path: path = '/devices/virtual/block/loop0' R13: 1ffff10030211e4e R14: 0000000000000000 R15: ffff880198ae9160 FS: 0000000000000000(0000) GS:ffff8801dae00000(0063) knlGS:00000000f5feeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020200000 CR3: 00000001d26cc000 CR4: 00000000001426f0 kobject: 'loop4' (0000000011905cba): kobject_uevent_env