------------[ cut here ]------------
[   27.355809] WARNING: CPU: 0 PID: 470 at mm/util.c:657 __kvmalloc_node_noprof+0xd2/0xe0
[   27.357108] Modules linked in:
[   27.357724] CPU: 0 UID: 0 PID: 470 Comm: unshare_test Not tainted 6.13.11-rc3 #1
[   27.357953] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.358295] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   27.359696] 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
[   27.361313] RSP: 0018:ffffa9344066bdf0 EFLAGS: 00010246
[   27.361773] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   27.362577] RDX: 0000000000000015 RSI: ffffffffad2a2e6e RDI: 0000000000452cc0
[   27.362726] RBP: ffffa9344066be08 R08: 0000000000000040 R09: 0000000000000000
[   27.363485] R10: ffffa9344066bdf0 R11: 0000000000000000 R12: 0000000200001e00
[   27.364154] R13: 00000000ffffffff R14: ffff8e4f0138cb80 R15: ffff8e4f0138cb00
[   27.364360] FS:  00007fc12f964740(0000) GS:ffff8e4f7bc00000(0000) knlGS:0000000000000000
[   27.365452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.365767] CR2: 00007fc12fb136a0 CR3: 00000001040f2000 CR4: 00000000000006f0
[   27.366726] Call Trace:
[   27.368211]  <TASK>
[   27.368730]  alloc_fdtable+0x73/0x110
[   27.369242]  expand_files+0x63/0x2d0
[   27.369324]  ? do_prlimit+0x12f/0x210
[   27.369380]  ksys_dup3+0x67/0x100
[   27.369430]  __x64_sys_dup2+0x2d/0xc0
[   27.369479]  x64_sys_call+0x207d/0x20b0
[   27.369531]  do_syscall_64+0x9e/0x1a0
[   27.369589]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   27.369707] RIP: 0033:0x7fc12fa66867
[   27.369937] 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
[   27.370141] RSP: 002b:00007fff606d19a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   27.370240] RAX: ffffffffffffffda RBX: 00007fff606d2208 RCX: 00007fc12fa66867
[   27.370316] RDX: 00007fff606d19d0 RSI: 0000000040000038 RDI: 0000000000000002
[   27.370390] RBP: 00007fff606d1bd0 R08: 0000000000000000 R09: 0000000000000000
[   27.370462] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   27.370533] R13: 00007fff606d2218 R14: 00007fc12fba5000 R15: 0000560d52dc6dd8
[   27.370648]  </TASK>
[   27.370743] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail