------------[ cut here ]------------ WARNING: CPU: 1 PID: 20683 at arch/arm64/kvm/sys_regs.c:2353 kvm_set_vm_id_reg+0x60/0xf4 arch/arm64/kvm/sys_regs.c:2348 Modules linked in: CPU: 1 UID: 0 PID: 20683 Comm: syz.1.6009 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: a1402009 (NzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : kvm_set_vm_id_reg+0x60/0xf4 arch/arm64/kvm/sys_regs.c:2353 lr : kvm_finalize_sys_regs+0x88/0x244 arch/arm64/kvm/sys_regs.c:5616 sp : ffff8000883fbab0 x29: ffff8000883fbab0 x28: f7f0000009655dc0 x27: 0000000000000000 x26: 0000000000000000 x25: fbf0000009601ca0 x24: 0000000000000000 x23: fbf0000009601ce8 x22: 0000000000000000 x21: fbff800089c41bd0 x20: fbff800089c41000 x19: fbf0000009601ca0 x18: 00000000ffffffff x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000883fba90 x14: ffff8000883fbd98 x13: ffff8000883fbd5a x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 000000000000005e x8 : ffff8000883fbda8 x7 : f7f0000005280efc x6 : 000000000000005d x5 : f7f0000009655dc0 x4 : 0000000000000001 x3 : fbff800089c41d18 x2 : 1101001020110222 x1 : 0000000000000000 x0 : fbff800089c41000 Call trace: kvm_set_vm_id_reg+0x60/0xf4 arch/arm64/kvm/sys_regs.c:2348 (P) kvm_finalize_sys_regs+0x88/0x244 arch/arm64/kvm/sys_regs.c:5616 kvm_arch_vcpu_run_pid_change+0x8c/0x36c arch/arm64/kvm/arm.c:857 kvm_vcpu_ioctl+0x7f8/0x878 virt/kvm/kvm_main.c:4464 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __arm64_sys_ioctl+0xac/0x104 fs/ioctl.c:583 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0x10c arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596 ---[ end trace 0000000000000000 ]---