syzbot

------------[ cut here ]------------
WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x32c/0xd3c mm/page_alloc.c:5186, CPU#1: syz.1.421/4472
Modules linked in:
CPU: 1 UID: 0 PID: 4472 Comm: syz.1.421 Not tainted syzkaller #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 21402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __alloc_frozen_pages_noprof+0x32c/0xd3c mm/page_alloc.c:5186
lr : alloc_pages_mpol+0xb8/0x1b8 mm/mempolicy.c:2486
sp : ffff8000851bbac0
x29: ffff8000851bbac0 x28: f0f000000924b180 x27: 000000000000000e
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000040cc0
x23: 0000000000000000 x22: 0000000000000000 x21: 000000000000000e
x20: ffffffffffffffff x19: 0000000000000000 x18: 00000000ffffffff
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000020000140
x14: ffff8000851bbd98 x13: ffff8000851bbd5a x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80008254ef48
x8 : ffff80008254ef48 x7 : ffff8000851bbd60 x6 : 0000000000000001
x5 : 0000000000000000 x4 : f0f000000924b180 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff800082c7e000
Call trace:
 __alloc_frozen_pages_noprof+0x32c/0xd3c mm/page_alloc.c:5186 (P)
 alloc_pages_mpol+0xb8/0x1b8 mm/mempolicy.c:2486
 alloc_frozen_pages_noprof+0x48/0xc0 mm/mempolicy.c:2557
 ___kmalloc_large_node+0x118/0x138 mm/slub.c:5593
 __kmalloc_large_node_noprof mm/slub.c:5624 [inline]
 __do_kmalloc_node mm/slub.c:5640 [inline]
 __kmalloc_noprof+0x480/0x5f4 mm/slub.c:5664
 kmalloc_noprof include/linux/slab.h:961 [inline]
 raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:673 [inline]
 raw_alloc_io_data+0x58/0xa0 drivers/usb/gadget/legacy/raw_gadget.c:659
 raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:776 [inline]
 raw_ioctl+0x88c/0xd2c drivers/usb/gadget/legacy/raw_gadget.c:1313
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0xac/0x104 fs/ioctl.c:583
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
 el0_svc+0x34/0x128 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596
---[ end trace 0000000000000000 ]---