------------[ cut here ]------------
[   31.495222] WARNING: CPU: 1 PID: 470 at mm/util.c:657 __kvmalloc_node_noprof+0xd2/0xe0
[   31.495953] Modules linked in:
[   31.496538] CPU: 1 UID: 0 PID: 470 Comm: unshare_test Not tainted 6.13.11-rc2 #1
[   31.498416] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   31.499960] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   31.500748] Code: 00 48 83 c4 18 48 8d 65 e8 5b 41 5c 41 5d 5d c3 cc cc cc cc 48 b9 00 00 00 00 00 20 00 00 eb bd 80 e7 20 0f 85 52 ff ff ff 90 <0f> 0b 90 e9 49 ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90
[   31.502284] RSP: 0018:ffffa8ae80627df0 EFLAGS: 00010246
[   31.502498] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   31.502634] RDX: 0000000000000015 RSI: ffffffff9e0a2e6e RDI: 0000000000452cc0
[   31.502782] RBP: ffffa8ae80627e08 R08: 0000000000000040 R09: 0000000000000000
[   31.502978] R10: ffffa8ae80627df0 R11: 0000000000000000 R12: 0000000200001e00
[   31.503338] R13: 00000000ffffffff R14: ffffa1a6432cef40 R15: ffffa1a6432ceec0
[   31.503858] FS:  00007f35c7fc4740(0000) GS:ffffa1a6bbd00000(0000) knlGS:0000000000000000
[   31.504584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.505022] CR2: 00007f35c81736a0 CR3: 00000001054be000 CR4: 00000000000006f0
[   31.505560] Call Trace:
[   31.506785]  <TASK>
[   31.507437]  alloc_fdtable+0x73/0x110
[   31.508039]  expand_files+0x63/0x2d0
[   31.508525]  ? ktime_get+0x3d/0xd0
[   31.508693]  ? lapic_next_event+0x14/0x20
[   31.509009]  ? clockevents_program_event+0x9f/0x110
[   31.509348]  ksys_dup3+0x67/0x100
[   31.509459]  __x64_sys_dup2+0x2d/0xc0
[   31.509750]  x64_sys_call+0x207d/0x20b0
[   31.510157]  do_syscall_64+0x9e/0x1a0
[   31.510462]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   31.510833] RIP: 0033:0x7f35c80c6867
[   31.511567] Code: 73 01 c3 48 8b 0d 91 75 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 75 0e 00 f7 d8 64 89 02 b8
[   31.512836] RSP: 002b:00007ffde4153788 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   31.513410] RAX: ffffffffffffffda RBX: 00007ffde4153fe8 RCX: 00007f35c80c6867
[   31.513542] RDX: 00007ffde41537b0 RSI: 0000000040000038 RDI: 0000000000000002
[   31.513664] RBP: 00007ffde41539b0 R08: 0000000000000000 R09: 0000000000000000
[   31.513792] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   31.513937] R13: 00007ffde4153ff8 R14: 00007f35c8205000 R15: 0000558bfaf50dd8
[   31.514349]  </TASK>
[   31.514636] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail