------------[ cut here ]------------ WARNING: CPU: 1 PID: 4260 at kernel/cpu.c:347 lockdep_assert_cpus_held+0x9e/0xf0 Modules linked in: CPU: 1 PID: 4260 Comm: vhost-4259 Not tainted 6.0.0-rc2-syzkaller-00054-gc40e8341e3b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:lockdep_assert_cpus_held+0x9e/0xf0 kernel/cpu.c:347 Code: ff e8 56 57 e7 08 89 c3 31 ff 89 c6 e8 9b 0e 38 00 85 db 74 10 e8 72 0a 38 00 eb 05 e8 6b 0a 38 00 5b 41 5e c3 e8 62 0a 38 00 <0f> 0b eb f3 48 c7 c1 00 43 25 8e 80 e1 07 80 c1 03 38 c1 0f 8c 6e RSP: 0018:ffffc90004fd7b08 EFLAGS: 00010287 RAX: ffffffff81518e1e RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9001485e000 RSI: 000000000000439b RDI: 000000000000439c RBP: ffffc90004fd7bf8 R08: ffffffff81518e05 R09: fffffbfff1ff3c0b R10: fffffbfff1ff3c0b R11: 1ffffffff1ff3c0a R12: ffffc90004fd7b80 R13: 1ffffffff19aac7e R14: dffffc0000000000 R15: ffffc90004fd7d40 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555ea2808 CR3: 000000007e59f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cpuset_attach+0xcf/0x570 kernel/cgroup/cpuset.c:2292 cgroup_migrate_execute+0x81f/0x1130 kernel/cgroup/cgroup.c:2584 cgroup_attach_task+0x57d/0x6d0 kernel/cgroup/cgroup.c:2875 cgroup_attach_task_all+0xba/0x130 kernel/cgroup/cgroup-v1.c:70 vhost_attach_cgroups_work+0x3f/0x80 drivers/vhost/vhost.c:523 vhost_worker+0x215/0x340 drivers/vhost/vhost.c:364 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30