BUG: sleeping function called from invalid context at mm/page_alloc.c:5167
in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1
INFO: lockdep is turned off.
irq event stamp: 0
hardirqs last  enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [<ffffffff81432dcd>] copy_process+0x1dcd/0x74d0 kernel/fork.c:2061
softirqs last  enabled at (0): [<ffffffff81432e0e>] copy_process+0x1e0e/0x74d0 kernel/fork.c:2065
softirqs last disabled at (0): [<0000000000000000>] 0x0
CPU: 1 PID: 26 Comm: kworker/1:1 Tainted: G        W         5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events pcpu_balance_workfn
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9154
 prepare_alloc_pages+0x3da/0x580 mm/page_alloc.c:5167
 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5363
 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244
 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303
 save_stack+0x15e/0x1e0 mm/page_owner.c:120
 __set_page_owner+0x50/0x290 mm/page_owner.c:181
 prep_new_page mm/page_alloc.c:2433 [inline]
 __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5301
 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline]
 vm_area_alloc_pages mm/vmalloc.c:2793 [inline]
 __vmalloc_area_node mm/vmalloc.c:2863 [inline]
 __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966
 __vmalloc_node mm/vmalloc.c:3015 [inline]
 __vmalloc+0x69/0x80 mm/vmalloc.c:3029
 pcpu_mem_zalloc mm/percpu.c:517 [inline]
 pcpu_mem_zalloc+0x51/0xa0 mm/percpu.c:509
 pcpu_alloc_chunk mm/percpu.c:1473 [inline]
 pcpu_create_chunk+0x215/0x720 mm/percpu-vm.c:338
 pcpu_balance_populated mm/percpu.c:2114 [inline]
 pcpu_balance_workfn+0xab4/0xe10 mm/percpu.c:2252
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
usb 6-1: new high-speed USB device number 2 using dummy_hcd
usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 6-1: Product: syz
usb 6-1: Manufacturer: syz
usb 6-1: SerialNumber: syz
usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
ath9k_htc 6-1:1.0: ath9k_htc: Target is unresponsive
ath9k_htc: Failed to initialize the device
usb 6-1: new high-speed USB device number 3 using dummy_hcd
usb 6-1: device descriptor read/all, error -71
usb 6-1: new high-speed USB device number 4 using dummy_hcd
usb 6-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 6-1: Product: syz
usb 6-1: Manufacturer: syz
usb 6-1: SerialNumber: syz
usb 6-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
usb 6-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008
ath9k_htc 6-1:1.0: ath9k_htc: Target is unresponsive
ath9k_htc: Failed to initialize the device
usb 2-1: USB disconnect, device number 4
usb 2-1: ath9k_htc: USB layer deinitialized
usb 1-1: new high-speed USB device number 5 using dummy_hcd
usb 1-1: device descriptor read/all, error -71
usb 1-1: new high-speed USB device number 6 using dummy_hcd
usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: syz
usb 1-1: Manufacturer: syz
usb 1-1: SerialNumber: syz
usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested
usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008