Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 BUG: unable to handle kernel paging request at 0000000053192a4e IP: ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677 PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 Oops: 0002 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 4014 Comm: syz-executor3 Not tainted 4.15.0-rc1-next-20171130+ #56 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: 0000000055013ac8 task.stack: 00000000127639ff RIP: 0010:ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677 RSP: 0018:ffff8801db407620 EFLAGS: 00010046 RAX: 1ffff1003a08b871 RBX: ffff8801db527900 RCX: ffff8801db5282e8 RDX: 1ffff1003b6a5062 RSI: ffff8801db527918 RDI: ffff8801d045c388 RBP: ffff8801db407700 R08: 1ffffffff0a54f65 R09: 1ffff1003880cc4d R10: 1ffff1003b680e9f R11: 0000000000000006 R12: 1ffff1003b680ec7 R13: ffff8801d045c380 R14: ffff8801db4076d8 R15: dffffc0000000000 FS: 00007f2c26e81700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff8 CR3: 00000001d781f000 CR4: 00000000001426f0 Call Trace: ttwu_do_activate+0x151/0x200 kernel/sched/core.c:1722 ttwu_queue kernel/sched/core.c:1866 [inline] try_to_wake_up+0xa8d/0x1600 kernel/sched/core.c:2079 default_wake_function+0x30/0x50 kernel/sched/core.c:3629 autoremove_wake_function+0x78/0x350 kernel/sched/wait.c:377 __wake_up_common+0x18e/0x780 kernel/sched/wait.c:97 __wake_up_common_lock+0x1b4/0x310 kernel/sched/wait.c:125 __wake_up+0xe/0x10 kernel/sched/wait.c:149 wake_up_klogd_work_func+0x4a/0x70 kernel/printk/printk.c:2699 irq_work_run_list+0x184/0x240 kernel/irq_work.c:155 irq_work_run+0x31/0x50 kernel/irq_work.c:171 flush_smp_call_function_queue+0x288/0x570 kernel/smp.c:257 generic_smp_call_function_single_interrupt+0x13/0x30 kernel/smp.c:192 smp_call_function_single_interrupt+0x103/0x640 arch/x86/kernel/smp.c:295 call_function_single_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:929 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:console_unlock+0x954/0xd70 kernel/printk/printk.c:2235 RSP: 0018:ffff8801d9567338 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff8159c42b RDX: 0000000000010000 RSI: ffffc900029da000 RDI: 0000000000000246 RBP: ffff8801d9567420 R08: 1ffff1003b2ace35 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff83a24300 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379 printk+0xaa/0xca kernel/printk/printk.c:1829 dump_vmcs arch/x86/kvm/vmx.c:8695 [inline] vmx_handle_exit+0xcc3/0x1ce0 arch/x86/kvm/vmx.c:8832 vcpu_enter_guest arch/x86/kvm/x86.c:7084 [inline] vcpu_run arch/x86/kvm/x86.c:7146 [inline] kvm_arch_vcpu_ioctl_run+0x1cb4/0x5c60 arch/x86/kvm/x86.c:7314 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2574 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007f2c26e80c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004529d9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000017 RBP: 0000000020357800 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000009120 R13: 000000002aaaaaab R14: 00007f2c26e816d4 R15: 0000000000000000 Code: f2 c7 40 10 f3 f3 f3 f3 e8 2a fc ff ff 49 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 46 06 00 00 49 c7 45 08 00 00 00 00 1f 44 00 00 65 8b 05 30 cf b4 7e 89 c0 48 0f a3 05 36 64 12 RIP: ttwu_do_wakeup+0xa4/0x710 kernel/sched/core.c:1677 RSP: ffff8801db407620 CR2: fffffffffffffff8 ---[ end trace d6388539c42286c7 ]---