------------[ cut here ]------------
[  238.885299] WARNING: CPU: 4 PID: 540 at mm/util.c:670 __kvmalloc_node_noprof+0x138/0x148
[  238.885499] Modules linked in: arm_spe_pmu panel_simple pl111_drm drm_dma_helper crct10dif_ce drm_kms_helper drm fuse backlight ip_tables x_tables
[  238.885977] CPU: 4 UID: 0 PID: 540 Comm: unshare_test Not tainted 6.12.20-rc1 #1
[  238.886115] Hardware name: FVP Base RevC (DT)
[  238.886195] pstate: 123402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[  238.886335] pc : __kvmalloc_node_noprof+0x138/0x148
[  238.886486] lr : __kvmalloc_node_noprof+0x64/0x148
[  238.886644] sp : ffff8000819abce0
[  238.886719] x29: ffff8000819abcf0 x28: ffff000801748000 x27: 0000000000000000
[  238.886921] x26: 0000000000000000 x25: 0000000000000000 x24: ffff000804173440
[  238.887118] x23: ffff0008041734c0 x22: 6be0a9916652e2c8 x21: 0000000200002000
[  238.887322] x20: 00000000ffffffff x19: 0000000000400cc0 x18: 0000000000000000
[  238.887520] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  238.887714] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[  238.887909] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[  238.888103] x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000005
[  238.888295] x5 : 0000000000000000 x4 : ffff000801748000 x3 : 0000000000000000
[  238.888492] x2 : 0000000000000000 x1 : 000000007fffffff x0 : 0000000000000000
[  238.888687] Call trace:
[  238.888745]  __kvmalloc_node_noprof+0x138/0x148
[  238.888906]  alloc_fdtable+0x90/0x110
[  238.889035]  expand_files+0x78/0x318
[  238.889165]  ksys_dup3+0x60/0x120
[  238.889292]  __arm64_sys_dup3+0x20/0x30
[  238.889432]  invoke_syscall+0x48/0x10c
[  238.889570]  el0_svc_common.constprop.0+0x40/0xe0
[  238.889728]  do_el0_svc+0x1c/0x28
[  238.889862]  el0_svc+0x30/0xcc
[  238.890009]  el0t_64_sync_handler+0x120/0x12c
[  238.890130]  el0t_64_sync+0x190/0x194
[  238.890243] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail