BUG: spinlock bad magic on CPU#0, syz-executor.5/10151 lock: 0xffff8880b9c00040, .magic: 00000000, .owner: /-1, .owner_cpu: 0 CPU: 0 PID: 10151 Comm: syz-executor.5 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105 debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] do_raw_spin_lock+0x216/0x2b0 kernel/locking/spinlock_debug.c:112 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline] _raw_spin_lock_irqsave+0x41/0x50 kernel/locking/spinlock.c:159 srcu_might_be_idle kernel/rcu/srcutree.c:767 [inline] synchronize_srcu+0x4f/0x1c0 kernel/rcu/srcutree.c:1008 kvm_mmu_uninit_vm+0x18/0x30 arch/x86/kvm/mmu/mmu.c:5585 kvm_arch_destroy_vm+0x4e7/0x680 arch/x86/kvm/x86.c:11277 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1060 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4486 [inline] kvm_dev_ioctl+0xdde/0x1810 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4541 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl fs/ioctl.c:1055 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 2