------------[ cut here ]------------
[  274.730418] WARNING: CPU: 7 PID: 539 at mm/util.c:657 __kvmalloc_node_noprof+0x138/0x148
[  274.730584] Modules linked in: arm_spe_pmu pl111_drm panel_simple drm_client_lib drm_dma_helper crct10dif_ce drm_kms_helper drm backlight fuse ip_tables x_tables
[  274.731090] CPU: 7 UID: 0 PID: 539 Comm: unshare_test Not tainted 6.13.7-rc2 #1
[  274.731225] Hardware name: FVP Base RevC (DT)
[  274.731304] pstate: 123402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[  274.731436] pc : __kvmalloc_node_noprof+0x138/0x148
[  274.731563] lr : __kvmalloc_node_noprof+0x64/0x148
[  274.731685] sp : ffff800081aa3cd0
[  274.731758] x29: ffff800081aa3ce0 x28: ffff000806550000 x27: 0000000000000000
[  274.731955] x26: 0000000000000000 x25: 0000000000000000 x24: ffff0008099ff440
[  274.732149] x23: ffff0008099ff4c0 x22: 2ecaa9916653831c x21: 0000000200001e00
[  274.732348] x20: 00000000ffffffff x19: 0000000000400cc0 x18: 0000000000000000
[  274.732541] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  274.732731] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  274.732921] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[  274.733111] x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000005
[  274.733299] x5 : 0000000000000000 x4 : ffff000806550000 x3 : 0000000000000000
[  274.733491] x2 : 0000000000000000 x1 : 000000007fffffff x0 : 0000000000000000
[  274.733682] Call trace:
[  274.733742]  __kvmalloc_node_noprof+0x138/0x148 (P)
[  274.733884]  alloc_fdtable+0x84/0x128
[  274.734045]  expand_files+0x78/0x2ec
[  274.734161]  ksys_dup3+0x60/0x120
[  274.734277]  __arm64_sys_dup3+0x20/0x30
[  274.734401]  invoke_syscall+0x48/0x10c
[  274.734557]  el0_svc_common.constprop.0+0x40/0xe0
[  274.734723]  do_el0_svc+0x1c/0x28
[  274.734876]  el0_svc+0x30/0xcc
[  274.735005]  el0t_64_sync_handler+0x10c/0x138
[  274.735149]  el0t_64_sync+0x198/0x19c
[  274.735272] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail