------------[ cut here ]------------ WARNING: CPU: 3 PID: 10409 at arch/x86/mm/tlb.c:515 switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Modules linked in: CPU: 3 PID: 10409 Comm: syz-executor.0 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:switch_mm_irqs_off+0x890/0xbc0 arch/x86/mm/tlb.c:515 Code: ff 44 8d 6b 02 48 63 d3 49 8d 8e 18 06 00 00 4d 63 ed 49 c1 e5 04 4d 8d 8d 40 d5 03 00 49 81 c5 48 d5 03 00 e9 75 fd ff ff 90 <0f> 0b 90 e9 e3 f7 ff ff 90 0f 0b 90 e8 df f5 ff ff e9 20 f8 ff ff RSP: 0018:ffffc9002901f310 EFLAGS: 00010202 RAX: 0000000000000296 RBX: ffff88801f430000 RCX: ffff88802534cc00 RDX: 1ffff11004a69a5a RSI: ffffffff8b6f03e0 RDI: ffffffff8b6f0420 RBP: ffff8880272f3900 R08: 0000000000000000 R09: ffffed1004a69999 R10: ffff88802534cccb R11: 0000000000000002 R12: ffff88802c53f200 R13: ffff888018b54880 R14: ffff88802534cc00 R15: ffff88802c53e700 FS: 0000000000000000(0000) GS:ffff88802c500000(0063) knlGS:00000000f5eedb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031427000 CR3: 000000005b4ec000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:5393 [inline] __schedule+0xd2b/0x5d00 kernel/sched/core.c:6746 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7068 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__vmcs_writel arch/x86/kvm/vmx/vmx_ops.h:225 [inline] RIP: 0010:vmcs_write64 arch/x86/kvm/vmx/vmx_ops.h:252 [inline] RIP: 0010:add_atomic_switch_msr_special arch/x86/kvm/vmx/vmx.c:1019 [inline] RIP: 0010:add_atomic_switch_msr.constprop.0+0x733/0xf60 arch/x86/kvm/vmx/vmx.c:1035 Code: 77 e5 fe 0b 31 ff 81 e3 00 80 00 00 89 de e8 74 23 6a 00 85 db 0f 84 31 f9 ff ff e8 87 28 6a 00 b8 06 28 00 00 0f 79 44 24 18 <2e> 0f 86 40 03 00 00 e8 71 28 6a 00 48 8b 04 24 4c 8d a8 48 1f 00 RSP: 0018:ffffc9002901f5f0 EFLAGS: 00000202 RAX: 0000000000002806 RBX: 0000000000008000 RCX: ffffc9000ccc3000 RDX: 0000000000040000 RSI: ffffffff8123ed09 RDI: 0000000000000005 RBP: 00000000c0000080 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000d01 R14: 0000000000000001 R15: 0000000000000000 update_transition_efer arch/x86/kvm/vmx/vmx.c:1123 [inline] vmx_setup_uret_msrs+0x706/0x910 arch/x86/kvm/vmx/vmx.c:1868 init_vmcs arch/x86/kvm/vmx/vmx.c:4815 [inline] __vmx_vcpu_reset arch/x86/kvm/vmx/vmx.c:4822 [inline] vmx_vcpu_reset+0x1c02/0x29b0 arch/x86/kvm/vmx/vmx.c:4853 kvm_vcpu_reset+0x9c8/0x1200 arch/x86/kvm/x86.c:12330 kvm_arch_vcpu_create+0x78e/0xaa0 arch/x86/kvm/x86.c:12164 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:4285 [inline] kvm_vm_ioctl+0xf72/0x3e20 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5126 kvm_vm_compat_ioctl+0x39f/0x400 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5428 __do_compat_sys_ioctl+0x2c3/0x330 fs/ioctl.c:1004 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x7a/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7a/0x84 RIP: 0023:0xf7314579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5eed5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000000ae41 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 77 e5 ja 0xffffffe7 2: fe 0b decb (%rbx) 4: 31 ff xor %edi,%edi 6: 81 e3 00 80 00 00 and $0x8000,%ebx c: 89 de mov %ebx,%esi e: e8 74 23 6a 00 call 0x6a2387 13: 85 db test %ebx,%ebx 15: 0f 84 31 f9 ff ff je 0xfffff94c 1b: e8 87 28 6a 00 call 0x6a28a7 20: b8 06 28 00 00 mov $0x2806,%eax 25: 0f 79 44 24 18 vmwrite 0x18(%rsp),%rax * 2a: 2e 0f 86 40 03 00 00 jbe,pn 0x371 <-- trapping instruction 31: e8 71 28 6a 00 call 0x6a28a7 36: 48 8b 04 24 mov (%rsp),%rax 3a: 4c rex.WR 3b: 8d .byte 0x8d 3c: a8 48 test $0x48,%al 3e: 1f (bad)