------------[ cut here ]------------ workqueue: work disable count underflowed WARNING: CPU: 2 PID: 22 at kernel/workqueue.c:4317 work_offqd_enable kernel/workqueue.c:4317 [inline] WARNING: CPU: 2 PID: 22 at kernel/workqueue.c:4317 enable_work+0x2fa/0x340 kernel/workqueue.c:4488 Modules linked in: CPU: 2 UID: 0 PID: 22 Comm: cpuhp/2 Not tainted 6.13.0-rc5-syzkaller-00198-g9244696b34f2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:work_offqd_enable kernel/workqueue.c:4317 [inline] RIP: 0010:enable_work+0x2fa/0x340 kernel/workqueue.c:4488 Code: 89 ee e8 49 d6 36 00 45 84 ed 0f 85 28 fe ff ff e8 9b db 36 00 c6 05 f2 9f e4 0e 01 90 48 c7 c7 00 da 6b 8b e8 57 12 f7 ff 90 <0f> 0b 90 90 e9 05 fe ff ff 48 89 ef e8 e5 7f 99 00 e9 a9 fe ff ff RSP: 0000:ffffc9000060fca0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a5139 RDX: ffff88801d6a4880 RSI: ffffffff815a5146 RDI: 0000000000000001 RBP: ffff88806a838660 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 1ffff920000c1f95 R13: 0000000000000000 R14: 00000000000000c5 R15: ffffffff81dbfd90 FS: 0000000000000000(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000df7e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmstat_cpu_online+0x83/0xf0 mm/vmstat.c:2151 cpuhp_invoke_callback+0x3d0/0xa10 kernel/cpu.c:194 cpuhp_thread_fun+0x480/0x6f0 kernel/cpu.c:1102 smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244