------------[ cut here ]------------ enable_ept && !allow_smaller_maxphyaddr WARNING: arch/x86/kvm/vmx/vmx.c:5444 at vmx_handle_page_fault arch/x86/kvm/vmx/vmx.c:5444 [inline], CPU#0: syz.3.747/8579 WARNING: arch/x86/kvm/vmx/vmx.c:5444 at handle_exception_nmi+0xa6e/0x1bb0 arch/x86/kvm/vmx/vmx.c:5558, CPU#0: syz.3.747/8579 Modules linked in: CPU: 0 UID: 0 PID: 8579 Comm: syz.3.747 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:vmx_handle_page_fault arch/x86/kvm/vmx/vmx.c:5444 [inline] RIP: 0010:handle_exception_nmi+0xa6e/0x1bb0 arch/x86/kvm/vmx/vmx.c:5558 Code: 08 84 d2 0f 85 fd 10 00 00 44 0f b6 2d 96 e3 39 0f 31 ff 44 89 ee e8 a1 2b 69 00 45 84 ed 0f 85 b5 0e 00 00 e8 43 31 69 00 90 <0f> 0b 90 31 ff 44 89 e6 e8 e5 2b 69 00 45 85 e4 0f 85 7f 0b 00 00 RSP: 0018:ffffc9000e2d79d8 EFLAGS: 00010283 RAX: 000000000001c194 RBX: ffff88805b2f0000 RCX: ffffc9000c402000 RDX: 0000000000080000 RSI: ffffffff819faffd RDI: ffff88802dd5c980 RBP: 000000000f6632eb R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888036392000 R15: ffff88805b2f00d8 FS: 00007f308d5d26c0(0000) GS:ffff8880d633f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000f6632eb CR3: 000000002a09c000 CR4: 0000000000352ef0 Call Trace: __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6929 [inline] vmx_handle_exit+0x84d/0x1f40 arch/x86/kvm/vmx/vmx.c:6939 vcpu_enter_guest arch/x86/kvm/x86.c:11520 [inline] vcpu_run+0x34cf/0x5ca0 arch/x86/kvm/x86.c:11677 kvm_arch_vcpu_ioctl_run+0x565/0x1830 arch/x86/kvm/x86.c:12025 kvm_vcpu_ioctl+0x730/0x1730 virt/kvm/kvm_main.c:4476 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f308c79c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f308d5d2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f308ca15fa0 RCX: 00007f308c79c799 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b RBP: 00007f308c832c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f308ca16038 R14: 00007f308ca15fa0 R15: 00007ffec0826428