kasan: CONFIG_KASAN_INLINE enabled Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN vmwrite_error+0x4c/0x60 arch/x86/kvm/vmx.c:2201 CPU: 0 PID: 9256 Comm: syz-executor2 Not tainted 4.18.0-rc8-next-20180806+ #32 __vmcs_writel arch/x86/kvm/vmx.c:2211 [inline] vmcs_writel arch/x86/kvm/vmx.c:2251 [inline] vmx_vcpu_load+0xcdb/0xfe0 arch/x86/kvm/vmx.c:2917 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline] RIP: 0010:finish_task_switch+0x538/0x870 kernel/sched/core.c:2679 Code: 89 e1 48 c1 e9 03 42 80 3c 39 00 0f 85 ab 01 00 00 4d 8b 24 24 4d 85 e4 0f 84 e3 fc ff ff 49 8d 7c 24 10 48 89 f9 48 c1 e9 03 <42> 80 3c 39 00 74 a5 e8 1c e8 67 00 eb 9e 80 3d 80 e4 31 07 00 0f RSP: 0018:ffff8801977a7980 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801db02ca40 RCX: 1bd5a00000000022 RDX: 0000000000040000 RSI: ffffffff810edd32 RDI: dead000000000110 RBP: ffff8801977a7a68 R08: ffff88019386a080 R09: fffffbfff1107d28 R10: fffffbfff1107d28 R11: 0000000000000003 R12: dead000000000100 kvm_arch_vcpu_load+0x22b/0x940 arch/x86/kvm/x86.c:3081 R13: ffff88019549c240 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fd2dc8cf700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 kvm_sched_in+0x82/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3975 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 __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+0x50d/0x870 kernel/sched/core.c:2679 CR2: 0000001b2fb21000 CR3: 0000000190863000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:2826 [inline] __schedule+0x884/0x1ec0 kernel/sched/core.c:3471 context_switch kernel/sched/core.c:2826 [inline] __schedule+0x884/0x1ec0 kernel/sched/core.c:3471 preempt_schedule_common+0x22/0x60 kernel/sched/core.c:3595 schedule+0xfb/0x450 kernel/sched/core.c:3515 _cond_resched+0x1d/0x30 kernel/sched/core.c:4961 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0x13d/0x1700 kernel/locking/mutex.c:1073 exit_to_usermode_loop+0x22f/0x380 arch/x86/entry/common.c:152 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456cb9 Code: fd 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd2dc8cecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 0000000000930148 RCX: 0000000000456cb9 RDX: 0000000000000016 RSI: 0000000000000001 RDI: 000000000093014c RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000093014c R13: 00007ffd09c12e5f R14: 00007fd2dc8cf9c0 R15: 0000000000000001 arch_jump_label_transform+0x1b/0x40 arch/x86/kernel/jump_label.c:112 Modules linked in: __jump_label_update+0x16e/0x1a0 kernel/jump_label.c:375 jump_label_update+0x151/0x2e0 kernel/jump_label.c:760 Dumping ftrace buffer: static_key_slow_inc_cpuslocked+0x341/0x430 kernel/jump_label.c:110 (ftrace buffer empty) ---[ end trace de1ac742ecfe90a2 ]--- RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2487 [inline] RIP: 0010:finish_task_switch+0x538/0x870 kernel/sched/core.c:2679 Code: 89 e1 48 c1 e9 03 42 80 3c 39 00 0f 85 ab 01 00 00 4d 8b 24 24 4d 85 e4 0f 84 e3 fc ff ff 49 8d 7c 24 10 48 89 f9 48 c1 e9 03 <42> 80 3c 39 00 74 a5 e8 1c e8 67 00 eb 9e 80 3d 80 e4 31 07 00 0f RSP: 0018:ffff8801977a7980 EFLAGS: 00010a06 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:125 kvm_arch_vcpu_init+0x300/0x830 arch/x86/kvm/x86.c:8710 kvm_vcpu_init+0x2fb/0x420 arch/x86/kvm/../../../virt/kvm/kvm_main.c:317 RAX: 0000000000000000 RBX: ffff8801db02ca40 RCX: 1bd5a00000000022 vmx_create_vcpu+0x14c/0x2980 arch/x86/kvm/vmx.c:10665 RDX: 0000000000040000 RSI: ffffffff810edd32 RDI: dead000000000110 RBP: ffff8801977a7a68 R08: ffff88019386a080 R09: fffffbfff1107d28 R10: fffffbfff1107d28 R11: 0000000000000003 R12: dead000000000100 R13: ffff88019549c240 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fd2dc8cf700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 kvm_arch_vcpu_create+0xe5/0x220 arch/x86/kvm/x86.c:8398 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2476 [inline] kvm_vm_ioctl+0x488/0x1d80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2977 CR2: 0000001b2fb21000 CR3: 0000000190863000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400