alloc_cpumask_var_node+0xfc/0x138 lib/cpumask.c:35
 alloc_cpumask_var include/linux/cpumask.h:1054 [inline]
 zalloc_cpumask_var include/linux/cpumask.h:1060 [inline]
 kthread_affine_node+0x148/0x2e8 kernel/kthread.c:358
 kthread+0x29c/0x3d4 kernel/kthread.c:430
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
------------[ cut here ]------------
WARNING: kernel/kthread.c:359 at kthread_affine_node+0x200/0x2e8 kernel/kthread.c:359, CPU#0: napi/wg2-0/5207
Modules linked in:
CPU: 0 UID: 0 PID: 5207 Comm: napi/wg2-0 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kthread_affine_node+0x200/0x2e8 kernel/kthread.c:359
lr : kthread_affine_node+0x200/0x2e8 kernel/kthread.c:359
sp : ffff800095fe7d80
x29: ffff800095fe7df0 x28: 1fffe000198cf3ad x27: 1fffe000198cf483
x26: ffff0000cc67a418 x25: 1fffe000198cf3ad x24: dfff800000000000
x23: ffff700012bfcfb0 x22: ffff800095fe7d80 x21: 0000000000000000
x20: ffff0000f1573400 x19: ffff0000cc679d40 x18: 1fffe00035bc5428
x17: 70202c31206c6176 x16: 0000000000000001 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000004
x11: ffff800080156ee8 x10: 0000000000000003 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080131d60
x2 : 0000000000000080 x1 : ffff0000cc679d40 x0 : 0000000000000000
Call trace:
 kthread_affine_node+0x200/0x2e8 kernel/kthread.c:359 (P)
 kthread+0x29c/0x3d4 kernel/kthread.c:430
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
irq event stamp: 20
hardirqs last  enabled at (19): [<ffff800080131d48>] dump_stack_lvl+0xe8/0x12c lib/dump_stack.c:123
hardirqs last disabled at (20): [<ffff8000868dfe78>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (0): [<ffff8000802edeb0>] copy_process+0x13a4/0x32e8 kernel/fork.c:2238
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---