BUG: spinlock bad magic on CPU#1, syz-executor.5/23937 lock: 0xffff8880b9d00040, .magic: 00000000, .owner: /-1, .owner_cpu: 0 CPU: 1 PID: 23937 Comm: syz-executor.5 Not tainted 5.15.0-rc2-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:106 debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline] do_raw_spin_lock+0x216/0x2b0 kernel/locking/spinlock_debug.c:114 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline] _raw_spin_lock_irqsave+0x41/0x50 kernel/locking/spinlock.c:162 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:5711 kvm_arch_destroy_vm+0x4e7/0x680 arch/x86/kvm/x86.c:11331 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1094 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4583 [inline] kvm_dev_ioctl+0x12e3/0x1ac0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4638 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 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: 0033:0x7f06fcf71709 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 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f06fa4e8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f06fd075f60 RCX: 00007f06fcf71709 RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 RBP: 00007f06fcfcbcb4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f06fd5a9b2f R14: 00007f06fa4e8300 R15: 0000000000022000