------------[ cut here ]------------
[   26.599187] WARNING: CPU: 0 PID: 468 at mm/util.c:670 __kvmalloc_node_noprof+0xd2/0xe0
[   26.600374] Modules linked in:
[   26.601419] CPU: 0 UID: 0 PID: 468 Comm: unshare_test Not tainted 6.12.22-rc1 #1
[   26.602179] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.603169] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   26.603773] 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
[   26.604249] RSP: 0018:ffffaf7240657df8 EFLAGS: 00010246
[   26.604801] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   26.605404] RDX: 0000000000000000 RSI: ffffffff8489b761 RDI: 0000000000452cc0
[   26.605850] RBP: ffffaf7240657e10 R08: 0000000000000040 R09: ffff9ec1461c0000
[   26.606217] R10: ffffaf7240657df8 R11: 0000000000000003 R12: 0000000200002000
[   26.606709] R13: 00000000ffffffff R14: ffff9ec142355ec0 R15: ffff9ec142355e40
[   26.607135] FS:  00007faf82966740(0000) GS:ffff9ec1bbc00000(0000) knlGS:0000000000000000
[   26.607506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.607912] CR2: 00007faf829ea150 CR3: 00000001023aa000 CR4: 00000000000006f0
[   26.608550] Call Trace:
[   26.609541]  <TASK>
[   26.609877]  ? show_regs+0x63/0x70
[   26.610139]  ? __warn+0x8c/0x140
[   26.610401]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   26.610514]  ? report_bug+0x175/0x1a0
[   26.610778]  ? handle_bug+0x5c/0xa0
[   26.611005]  ? exc_invalid_op+0x1c/0x80
[   26.611232]  ? asm_exc_invalid_op+0x1f/0x30
[   26.611682]  ? __kmalloc_node_noprof+0x2a1/0x320
[   26.612046]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   26.612508]  ? __kvmalloc_node_noprof+0x4e/0xe0
[   26.612749]  alloc_fdtable+0x74/0x100
[   26.612950]  expand_files+0x62/0x310
[   26.613026]  ? do_prlimit+0x12f/0x210
[   26.613108]  ksys_dup3+0x67/0x100
[   26.613179]  __x64_sys_dup2+0x2d/0xd0
[   26.613376]  x64_sys_call+0x1cb8/0x2060
[   26.613664]  do_syscall_64+0x9e/0x1a0
[   26.613944]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   26.614467] RIP: 0033:0x7faf82a68867
[   26.615032] 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
[   26.616439] RSP: 002b:00007ffc9b6acbd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   26.616913] RAX: ffffffffffffffda RBX: 00007ffc9b6ad438 RCX: 00007faf82a68867
[   26.617403] RDX: 00007ffc9b6acc00 RSI: 0000000040000038 RDI: 0000000000000002
[   26.617904] RBP: 00007ffc9b6ace00 R08: 0000000000000000 R09: 0000000000000000
[   26.618399] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   26.618708] R13: 00007ffc9b6ad448 R14: 00007faf82ba7000 R15: 0000562db50b5dd8
[   26.619021]  </TASK>
[   26.619181] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail