------------[ cut here ]------------
[   98.556166] WARNING: CPU: 0 PID: 501 at mm/util.c:662 __kvmalloc_node_noprof+0xd7/0xe0
[   98.557678] Modules linked in:
[   98.559973] CPU: 0 UID: 0 PID: 501 Comm: unshare_test Not tainted 6.12.0-next-20241122 #1
[   98.561188] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   98.562033] RIP: 0010:__kvmalloc_node_noprof+0xd7/0xe0
[   98.562734] 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
[   98.564501] RSP: 0018:ffff8df140923dd8 EFLAGS: 00010246
[   98.564977] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   98.565264] RDX: 0000000000000000 RSI: ffffffffb843695d RDI: 0000000000452cc0
[   98.566009] RBP: ffff8df140923df0 R08: 0000000000000040 R09: 0000000000000000
[   98.566451] R10: ffff8df140923dd8 R11: 0000000000000000 R12: 0000000200001e00
[   98.567180] R13: 00000000ffffffff R14: ffff8c57802bf200 R15: ffff8c57802bf180
[   98.567718] FS:  00007fde18a1f740(0000) GS:ffff8c57fbc00000(0000) knlGS:0000000000000000
[   98.568060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.568267] CR2: 00007fde18bc3680 CR3: 0000000103cf2000 CR4: 00000000000006f0
[   98.568695] Call Trace:
[   98.569101]  <TASK>
[   98.569526]  ? show_regs+0x68/0x80
[   98.570251]  ? __warn+0x91/0x140
[   98.570683]  ? __kvmalloc_node_noprof+0xd7/0xe0
[   98.571126]  ? report_bug+0x175/0x1a0
[   98.571605]  ? handle_bug+0x5c/0xa0
[   98.571984]  ? exc_invalid_op+0x1c/0x80
[   98.572413]  ? asm_exc_invalid_op+0x1f/0x30
[   98.572769]  ? __kmalloc_node_noprof+0x39d/0x4c0
[   98.573271]  ? __kvmalloc_node_noprof+0xd7/0xe0
[   98.573880]  ? __kvmalloc_node_noprof+0x53/0xe0
[   98.574268]  alloc_fdtable+0x78/0x120
[   98.574907]  expand_files+0x68/0x2e0
[   98.575263]  ? do_prlimit+0x134/0x210
[   98.575603]  ? trace_preempt_off+0x1e/0x70
[   98.575768]  ? ksys_dup3+0x61/0x100
[   98.576743]  ksys_dup3+0x6c/0x100
[   98.577745]  __x64_sys_dup2+0x32/0xc0
[   98.579404]  x64_sys_call+0x2082/0x20b0
[   98.579784]  do_syscall_64+0xb2/0x1d0
[   98.580742]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.581156] RIP: 0033:0x7fde18b17c17
[   98.582739] 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
[   98.585045] RSP: 002b:00007fff4218dc88 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   98.586719] RAX: ffffffffffffffda RBX: 00007fff4218e4e8 RCX: 00007fde18b17c17
[   98.587745] RDX: 00007fff4218dcb0 RSI: 0000000040000038 RDI: 0000000000000002
[   98.588878] RBP: 00007fff4218deb0 R08: 0000000000000064 R09: 0000000000000000
[   98.589129] R10: 00007fde18a34170 R11: 0000000000000206 R12: 0000000000000000
[   98.590428] R13: 00007fff4218e4f8 R14: 00007fde18c53000 R15: 00005562f94e9dd8
[   98.591581]  </TASK>
[   98.592500] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

core_unshare_test_global_unshare_EMFILE fail