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 vmwrite_error+0x4c/0x60 arch/x86/kvm/vmx.c:2364 __vmcs_writel arch/x86/kvm/vmx.c:2374 [inline] vmcs_writel arch/x86/kvm/vmx.c:2414 [inline] vmx_vcpu_load+0xcdb/0xfe0 arch/x86/kvm/vmx.c:3108 general protection fault: 0000 [#1] SMP KASAN CPU: 1 PID: 7865 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #127 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:1609 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 3f bf 64 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:ffff880191d6f508 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a9a000 RDX: 000000000000000f RSI: ffffffff81181001 RDI: 000000000000007c RBP: ffff880191d6f510 R08: ffff8801ca154540 R09: ffffed003255eb74 R10: ffffed003255eb74 R11: ffff880192af5ba7 R12: 0000000000000001 R13: 1ffff100323adea8 R14: ffff880192af00a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5f2cb40 kvm_arch_vcpu_load+0x22b/0x940 arch/x86/kvm/x86.c:3106 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f27358eb9d8 CR3: 00000001c7ce3000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_arch_vcpu_load+0x4fa/0x940 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+0x50d/0x870 kernel/sched/core.c:2679 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+0x50d/0x870 kernel/sched/core.c:2679 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x884/0x1df0 kernel/sched/core.c:3473 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x884/0x1df0 kernel/sched/core.c:3473 schedule+0xfb/0x450 kernel/sched/core.c:3517 preempt_schedule_common+0x22/0x60 kernel/sched/core.c:3597 _cond_resched+0x1d/0x30 kernel/sched/core.c:4963 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2ab/0x730 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] kzalloc include/linux/slab.h:707 [inline] kvm_create_vm_debugfs arch/x86/kvm/../../../virt/kvm/kvm_main.c:613 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:3214 [inline] kvm_dev_ioctl+0xc37/0x1b10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3241 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_32_irqs_on arch/x86/entry/common.c:341 [inline] do_fast_syscall_32+0xcd5/0xfb2 arch/x86/entry/common.c:397 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline] __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline] __ia32_compat_sys_ioctl+0x221/0x640 fs/compat_ioctl.c:1365 RIP: 0023:0xf7f30ca9 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline] do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397 Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 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:00000000f5eea12c EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 RAX: 0000000000000001 RBX: 0000000008350184 RCX: 0000000000000081 RDX: 0000000008350180 RSI: 0000000008350178 RDI: 0000000008350184 RBP: 00000000f5eea228 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 kasan: GPF could be caused by NULL-ptr deref or user memory access RIP: 0023:0xf7f30ca9 Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 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:00000000f5f2c0cc 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: Dumping ftrace buffer: (ftrace buffer empty) general protection fault: 0000 [#2] SMP KASAN ---[ end trace 648e662688c10105 ]--- CPU: 0 PID: 7871 Comm: syz-executor3 Tainted: G D 4.19.0-rc2+ #127 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 9c af 67 00 eb 9e 80 3d fa 53 57 07 00 0f RIP: 0010:kvm_lapic_hv_timer_in_use+0x56/0xd0 arch/x86/kvm/lapic.c:1609 RSP: 0018:ffff8801929bf930 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801db02cc80 RCX: 1bd5a00000000022 RDX: 0000000000040000 RSI: ffffffff810ed242 RDI: dead000000000110 RBP: ffff8801929bfa18 R08: ffff8801929b65c0 R09: fffffbfff1152ab4 Code: c1 ea 03 80 3c 02 00 75 7a 48 8b 9b e0 03 00 00 e8 3f bf 64 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 R10: fffffbfff1152ab4 R11: 0000000000000003 R12: dead000000000100 R13: ffff88019af363c0 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8801db000000(0063) knlGS:00000000f5eeab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 RSP: 0018:ffff880191d6f508 EFLAGS: 00010207 CR2: 0000000020940000 CR3: 00000001c7ce3000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005a9a000 RDX: 000000000000000f RSI: ffffffff81181001 RDI: 000000000000007c RBP: ffff880191d6f510 R08: ffff8801ca154540 R09: ffffed003255eb74 R10: ffffed003255eb74 R11: ffff880192af5ba7 R12: 0000000000000001 context_switch kernel/sched/core.c:2828 [inline] __schedule+0x884/0x1df0 kernel/sched/core.c:3473 R13: 1ffff100323adea8 R14: ffff880192af00a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5f2cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 schedule+0xfb/0x450 kernel/sched/core.c:3517 CR2: 00007f27358eb9d8 CR3: 00000001c7ce3000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 exit_to_usermode_loop+0x22f/0x380 arch/x86/entry/common.c:152