------------[ cut here ]------------ WARNING: CPU: 0 PID: 3856 at kernel/cpu.c:347 lockdep_assert_cpus_held kernel/cpu.c:347 [inline] WARNING: CPU: 0 PID: 3856 at kernel/cpu.c:347 lockdep_assert_cpus_held+0xbd/0xe0 kernel/cpu.c:336 Modules linked in: CPU: 0 PID: 3856 Comm: kvm-nx-lpage-re Not tainted 6.0.0-rc2-syzkaller-00054-gc40e8341e3b3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:lockdep_assert_cpus_held kernel/cpu.c:347 [inline] RIP: 0010:lockdep_assert_cpus_held+0xbd/0xe0 kernel/cpu.c:336 Code: e8 88 11 34 00 be ff ff ff ff 48 c7 c7 70 39 e3 8b e8 b7 14 38 08 31 ff 89 c3 89 c6 e8 2c 0e 34 00 85 db 75 d5 e8 63 11 34 00 <0f> 0b eb cc 48 c7 c7 04 c4 dd 8d e8 93 b7 7f 00 e9 62 ff ff ff 48 RSP: 0018:ffffc90003ff7c28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88806911a140 RSI: ffffffff814728bd RDI: 0000000000000005 RBP: ffff88806a795000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003ff7de0 R13: ffffffff8bfd96e0 R14: 1ffff920007fef8c R15: ffffc90003ff7e04 FS: 0000000000000000(0000) GS:ffff88802cb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f066c08c920 CR3: 000000001a938000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cpuset_attach+0x92/0x520 kernel/cgroup/cpuset.c:2292 cgroup_migrate_execute+0xbc7/0x1220 kernel/cgroup/cgroup.c:2584 cgroup_attach_task+0x416/0x7c0 kernel/cgroup/cgroup.c:2875 cgroup_attach_task_all+0xde/0x140 kernel/cgroup/cgroup-v1.c:70 kvm_vm_worker_thread+0xdd/0x5a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5979 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306