------------[ cut here ]------------
[  112.481912] WARNING: CPU: 0 PID: 500 at mm/util.c:662 __kvmalloc_node_noprof+0xd7/0xe0
[  112.483674] Modules linked in:
[  112.484438] CPU: 0 UID: 0 PID: 500 Comm: unshare_test Not tainted 6.12.0-next-20241126 #1
[  112.484810] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  112.486472] RIP: 0010:__kvmalloc_node_noprof+0xd7/0xe0
[  112.486839] 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 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[  112.487967] RSP: 0018:ffffaed1c081bdd8 EFLAGS: 00010246
[  112.488883] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[  112.490304] RDX: 0000000000000000 RSI: ffffffffa443695d RDI: 0000000000452cc0
[  112.491301] RBP: ffffaed1c081bdf0 R08: 0000000000000040 R09: 0000000000000000
[  112.492140] R10: ffffaed1c081bdd8 R11: 0000000000000000 R12: 0000000200001e00
[  112.492801] R13: 00000000ffffffff R14: ffffa0e9c02bec80 R15: ffffa0e9c02bec00
[  112.493729] FS:  00007fdd38733740(0000) GS:ffffa0ea3bc00000(0000) knlGS:0000000000000000
[  112.494118] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.494832] CR2: 00007fdd387dc8f0 CR3: 0000000102b54000 CR4: 00000000000006f0
[  112.495888] Call Trace:
[  112.496347]  <TASK>
[  112.497045]  ? show_regs+0x68/0x80
[  112.497345]  ? __warn+0x91/0x140
[  112.497721]  ? __kvmalloc_node_noprof+0xd7/0xe0
[  112.498204]  ? report_bug+0x175/0x1a0
[  112.498837]  ? handle_bug+0x5c/0xa0
[  112.499174]  ? exc_invalid_op+0x1c/0x80
[  112.499686]  ? asm_exc_invalid_op+0x1f/0x30
[  112.500108]  ? __kmalloc_node_noprof+0x39d/0x4c0
[  112.500360]  ? __kvmalloc_node_noprof+0xd7/0xe0
[  112.500942]  ? __kvmalloc_node_noprof+0x53/0xe0
[  112.501718]  alloc_fdtable+0x78/0x120
[  112.502114]  expand_files+0x68/0x2e0
[  112.502461]  ? do_prlimit+0x134/0x210
[  112.503048]  ? trace_preempt_off+0x1e/0x70
[  112.503447]  ? ksys_dup3+0x61/0x100
[  112.503934]  ksys_dup3+0x6c/0x100
[  112.504247]  __x64_sys_dup2+0x32/0xc0
[  112.504686]  x64_sys_call+0x2082/0x20b0
[  112.505031]  do_syscall_64+0xb2/0x1d0
[  112.505200]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  112.506001] RIP: 0033:0x7fdd3882bc17
[  112.507077] Code: 73 01 c3 48 8b 0d 09 62 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 d9 61 0e 00 f7 d8 64 89 02 b8
[  112.508693] RSP: 002b:00007ffc414246e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[  112.509143] RAX: ffffffffffffffda RBX: 00007ffc41424f48 RCX: 00007fdd3882bc17
[  112.509380] RDX: 00007ffc41424710 RSI: 0000000040000038 RDI: 0000000000000002
[  112.510119] RBP: 00007ffc41424910 R08: 0000000000000064 R09: 0000000000000000
[  112.510869] R10: 00007fdd38748170 R11: 0000000000000206 R12: 0000000000000000
[  112.511701] R13: 00007ffc41424f58 R14: 00007fdd38967000 R15: 0000558aba53edd8
[  112.512470]  </TASK>
[  112.513119] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

core_unshare_test_global_unshare_EMFILE fail