------------[ cut here ]------------
[   41.977510] WARNING: CPU: 0 PID: 475 at mm/util.c:670 __kvmalloc_node_noprof+0x138/0x148
[   41.979753] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 drm backlight fuse ip_tables x_tables
[   41.984869] CPU: 0 UID: 0 PID: 475 Comm: unshare_test Not tainted 6.12.20-rc1 #1
[   41.986501] Hardware name: linux,dummy-virt (DT)
[   41.988208] pstate: 23402009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[   41.989322] pc : __kvmalloc_node_noprof+0x138/0x148
[   41.989695] lr : __kvmalloc_node_noprof+0x64/0x148
[   41.990017] sp : ffff800080a5bce0
[   41.990253] x29: ffff800080a5bcf0 x28: fff00000c0ce9240 x27: 0000000000000000
[   41.992025] x26: 0000000000000000 x25: 0000000000000000 x24: fff00000c28c2ec0
[   41.993809] x23: fff00000c28c2f40 x22: b9af9e4b8a52e2c8 x21: 0000000200002000
[   41.995260] x20: 00000000ffffffff x19: 0000000000400cc0 x18: 0000000000000000
[   41.996691] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   41.998044] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[   41.999298] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   42.000505] x8 : 0000000000000001 x7 : 0000000000000001 x6 : 0000000000000005
[   42.001572] x5 : 0000000000000000 x4 : fff00000c0ce9240 x3 : 0000000000000000
[   42.002177] x2 : 0000000000000000 x1 : 000000007fffffff x0 : 0000000000000000
[   42.002972] Call trace:
[   42.003435]  __kvmalloc_node_noprof+0x138/0x148
[   42.004512]  alloc_fdtable+0x90/0x110
[   42.005331]  expand_files+0x78/0x318
[   42.005968]  ksys_dup3+0x60/0x120
[   42.006527]  __arm64_sys_dup3+0x20/0x30
[   42.007157]  invoke_syscall+0x48/0x10c
[   42.007502]  el0_svc_common.constprop.0+0x40/0xe0
[   42.007909]  do_el0_svc+0x1c/0x28
[   42.008276]  el0_svc+0x30/0xcc
[   42.008578]  el0t_64_sync_handler+0x120/0x12c
[   42.008908]  el0t_64_sync+0x190/0x194
[   42.009478] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail