------------[ cut here ]------------
WARNING: mm/slub.c:7144 at __kvmalloc_node_noprof+0x4d0/0x670 mm/slub.c:7144, CPU#1: syz.2.5762/19916
Modules linked in:
CPU: 1 UID: 0 PID: 19916 Comm: syz.2.5762 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: linux,dummy-virt (DT)
pstate: 21402009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __kvmalloc_node_noprof+0x4d0/0x670 mm/slub.c:7144
lr : __kmalloc_large_node_noprof mm/slub.c:5502 [inline]
lr : __do_kmalloc_node mm/slub.c:5519 [inline]
lr : __kvmalloc_node_noprof+0x4bc/0x670 mm/slub.c:7136
sp : ffff800087323bd0
x29: ffff800087323c30 x28: fdf0000009708000 x27: 0000000000000000
x26: f8f00000085ccb00 x25: 00000000000028c0 x24: ef8f800080c26f9c
x23: 0000000000000001 x22: 00000000ffffffff x21: 0000007fffffffc0
x20: 0000000000000cc0 x19: 0000007fffffffc0 x18: 00000000ffffffff
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000020000188
x14: ffff800087323a10 x13: ffff800087323d18 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000080011614 x7 : dead000000000122 x6 : 0000000000000001
x5 : 0000000000000000 x4 : fdf0000009708000 x3 : 00000000ffffffff
x2 : 00000000ffffffff x1 : 000000007fffffff x0 : 0000000000000000
Call trace:
 __kvmalloc_node_noprof+0x4d0/0x670 mm/slub.c:7144 (P)
 init_udmabuf drivers/dma-buf/udmabuf.c:193 [inline]
 udmabuf_create+0x13c/0x448 drivers/dma-buf/udmabuf.c:386
 udmabuf_ioctl_create_list drivers/dma-buf/udmabuf.c:484 [inline]
 udmabuf_ioctl+0x138/0x17c drivers/dma-buf/udmabuf.c:499
 vfs_ioctl fs/ioctl.c:52 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __arm64_sys_ioctl+0xa8/0x100 fs/ioctl.c:584
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x54/0x108 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:140
 el0_svc+0x38/0x200 arch/arm64/kernel/entry-common.c:797
 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:816
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:606
---[ end trace 0000000000000000 ]---