------------[ cut here ]------------
WARNING: mm/slub.c:6841 at __kvmalloc_node_noprof+0x538/0x6a8 mm/slub.c:6841, CPU#1: syz.0.8858/31262
Modules linked in:
CPU: 1 UID: 0 PID: 31262 Comm: syz.0.8858 Not tainted syzkaller #0 PREEMPT 
Hardware name: linux,dummy-virt (DT)
pstate: 21402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __kvmalloc_node_noprof+0x538/0x6a8 mm/slub.c:6841
lr : __kmalloc_large_node_noprof mm/slub.c:5306 [inline]
lr : __do_kmalloc_node mm/slub.c:5322 [inline]
lr : __kvmalloc_node_noprof+0x524/0x6a8 mm/slub.c:6833
sp : ffff800088ce3b50
x29: ffff800088ce3b80 x28: fcf00000049e5500 x27: 0000000000000000
x26: ffff8000806e519c x25: ccaf8000806e519c x24: 0000000000000001
x23: 00000000004028c0 x22: 00000000ffffffff x21: 0000000000400cc0
x20: 0000000000000021 x19: 0000000080000008 x18: 0000000000000002
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 000000000006d04a x12: 0000000000000000
x11: 0000000000001000 x10: 0000000000000001 x9 : 0000000000000080
x8 : 0000000000000030 x7 : ffff800082e287d0 x6 : 0000000000000001
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 00000000004428c0 x1 : 000000007fffffff x0 : 0000000000000000
Call trace:
 __kvmalloc_node_noprof+0x538/0x6a8 mm/slub.c:6841 (P)
 io_pin_pages+0x5c/0x124 io_uring/memmap.c:59
 io_sqe_buffer_register+0x98/0x5e4 io_uring/rsrc.c:884
 io_sqe_buffers_register+0x180/0x1f4 io_uring/rsrc.c:995
 __io_uring_register io_uring/register.c:767 [inline]
 __do_sys_io_uring_register io_uring/register.c:1029 [inline]
 __se_sys_io_uring_register io_uring/register.c:1006 [inline]
 __arm64_sys_io_uring_register+0x2b4/0xda0 io_uring/register.c:1006
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x54/0x10c arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x1c/0x34 arch/arm64/kernel/syscall.c:140
 el0_svc+0x38/0x1fc arch/arm64/kernel/entry-common.c:736
 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:755
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:594
---[ end trace 0000000000000000 ]---