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: 9952 Comm: syz-executor0 Not tainted 4.19.0-rc4+ #145 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:ffff880194a7ef98 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005674000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff880194a7efa0 R08: ffff8801945c2380 R09: ffffed003ab78d04 R10: ffffed003ab78d04 R11: ffff8801d5bc6827 R12: 0000000000000001 R13: 1ffff1003294fdfa R14: 0000000000000000 R15: ffff8801d5bc0d20 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5fbeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f78ae880000 CR3: 00000001c0af8000 CR4: 00000000001426e0 kobject: 'loop4' (00000000ed0e5b44): kobject_uevent_env Call Trace: kvm_arch_vcpu_load+0x516/0x970 arch/x86/kvm/x86.c:3128 kobject: 'loop4' (00000000ed0e5b44): fill_kobj_path: path = '/devices/virtual/block/loop4' 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_common+0x1f/0xd0 kernel/sched/core.c:3597 preempt_schedule+0x4d/0x60 kernel/sched/core.c:3623 ___preempt_schedule+0x16/0x18 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xbb/0xd0 kernel/locking/spinlock.c:184 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] __wake_up_common_lock+0x1d0/0x330 kernel/sched/wait.c:122 __wake_up_sync_key+0x19/0x20 kernel/sched/wait.c:199 sock_def_readable+0x24e/0x710 net/core/sock.c:2695 __netlink_sendskb+0xa4/0xd0 net/netlink/af_netlink.c:1264 netlink_broadcast_deliver net/netlink/af_netlink.c:1388 [inline] do_one_broadcast net/netlink/af_netlink.c:1473 [inline] netlink_broadcast_filtered+0xeb7/0x1680 net/netlink/af_netlink.c:1517 netlink_broadcast+0x3a/0x50 net/netlink/af_netlink.c:1541 uevent_net_broadcast_untagged lib/kobject_uevent.c:329 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:406 [inline] kobject_uevent_env+0x96f/0x1360 lib/kobject_uevent.c:587 kvm_uevent_notify_change.part.33+0x2f8/0x440 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3922 kvm_uevent_notify_change arch/x86/kvm/../../../virt/kvm/kvm_main.c:3881 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3219 [inline] kvm_dev_ioctl+0x15e6/0x1b10 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: 0023:0xf7fc2ca9 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:00000000f5fbe0cc 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 76afec31a26a42d4 ]--- 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:ffff880194a7ef98 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005674000 RDX: 000000000000000f RSI: ffffffff811859b1 RDI: 000000000000007c RBP: ffff880194a7efa0 R08: ffff8801945c2380 R09: ffffed003ab78d04 R10: ffffed003ab78d04 R11: ffff8801d5bc6827 R12: 0000000000000001 R13: 1ffff1003294fdfa R14: 0000000000000000 R15: ffff8801d5bc0d20 FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5fbeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f78ae880000 CR3: 00000001c0af8000 CR4: 00000000001426e0