------------[ cut here ]------------ WARNING: CPU: 1 PID: 19295 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: 19295 Comm: syz.0.5469 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 : ffff8000885a3ab0 x29: ffff8000885a3ab0 x28: f6f0000005dfa580 x27: 0000000000000000 x26: 0000000000000000 x25: f2f0000009693940 x24: 0000000000000000 x23: f2f0000009693988 x22: 0000000000000000 x21: f9ff800089017bd0 x20: f9ff800089017000 x19: f2f0000009693940 x18: 00000000ffffffff x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000885a3a90 x14: ffff8000885a3d98 x13: ffff8000885a3d5a x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 000000000000005c x8 : ffff8000885a3da8 x7 : f1f0000004ce8cdc x6 : 000000000000005b x5 : f6f0000005dfa580 x4 : 0000000000000001 x3 : f9ff800089017d18 x2 : 1101001020110222 x1 : 0000000000000000 x0 : f9ff800089017000 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 ]---