------------[ cut here ]------------
[  249.540697] WARNING: CPU: 6 PID: 541 at mm/util.c:657 __kvmalloc_node_noprof+0x120/0x128
[  249.540844] Modules linked in: pl111_drm arm_spe_pmu drm_dma_helper crct10dif_ce panel_simple drm_client_lib drm_kms_helper drm backlight fuse ip_tables x_tables
[  249.541315] CPU: 6 UID: 0 PID: 541 Comm: unshare_test Not tainted 6.13.7-rc1 #1
[  249.541440] Hardware name: FVP Base RevC (DT)
[  249.541515] pstate: 123402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[  249.541648] pc : __kvmalloc_node_noprof+0x120/0x128
[  249.541754] lr : __kvmalloc_node_noprof+0x54/0x128
[  249.541854] sp : ffff800081cf3ce0
[  249.541926] x29: ffff800081cf3cf0 x28: ffff00080231b6c0 x27: 0000000000000000
[  249.542109] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[  249.542286] x23: 0000000080000000 x22: 9dc4a99166574444 x21: 0000000200001e00
[  249.542466] x20: 0000000000400cc0 x19: 00000000ffffffff x18: 0000000000000000
[  249.542650] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  249.542826] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  249.543004] x11: 0000000000000040 x10: ba461f75a3025200 x9 : ba461f75a3025200
[  249.543187] x8 : 0000000000000004 x7 : 0000000000000000 x6 : 0000000000000000
[  249.543362] x5 : 0000000000000000 x4 : ffff800081cf3cb0 x3 : 0000000000000000
[  249.543540] x2 : 0000000000000000 x1 : 0000000000000016 x0 : 0000000000000000
[  249.543716] Call trace:
[  249.543774]  __kvmalloc_node_noprof+0x120/0x128 (P)
[  249.543894]  alloc_fdtable+0x74/0x118
[  249.544037]  expand_files+0x114/0x2e0
[  249.544180]  ksys_dup3+0x64/0xe8
[  249.544320]  __arm64_sys_dup3+0x20/0x30
[  249.544465]  invoke_syscall+0x40/0xf8
[  249.544607]  el0_svc_common+0xa8/0xd8
[  249.544750]  do_el0_svc+0x1c/0x28
[  249.544884]  el0_svc+0x38/0x68
[  249.545035]  el0t_64_sync_handler+0x78/0x108
[  249.545191]  el0t_64_sync+0x198/0x19c
[  249.545311] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail