------------[ cut here ]------------
[   31.787152] WARNING: CPU: 1 PID: 470 at mm/util.c:677 __kvmalloc_node_noprof+0xd2/0xe0
[   31.789227] Modules linked in:
[   31.789861] CPU: 1 UID: 0 PID: 470 Comm: unshare_test Not tainted 6.14.2-rc4 #1
[   31.790098] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   31.791541] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   31.792578] 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
[   31.793913] RSP: 0018:ffffa4c380627df0 EFLAGS: 00010246
[   31.794661] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   31.794940] RDX: 0000000000000015 RSI: ffffffff8daa40fe RDI: 0000000000452cc0
[   31.795550] RBP: ffffa4c380627e08 R08: 0000000000000040 R09: 0000000000000000
[   31.796755] R10: ffffa4c380627df0 R11: 0000000000000000 R12: 0000000200001e00
[   31.797805] R13: 00000000ffffffff R14: ffff8eb6039ca180 R15: ffff8eb6039ca100
[   31.798228] FS:  00007f123f196740(0000) GS:ffff8eb67bd00000(0000) knlGS:0000000000000000
[   31.798395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.798513] CR2: 00007f123f21a150 CR3: 000000010566a000 CR4: 00000000000006f0
[   31.798796] Call Trace:
[   31.800150]  <TASK>
[   31.800689]  alloc_fdtable+0x73/0x110
[   31.802213]  expand_files+0x63/0x2e0
[   31.802603]  ? do_prlimit+0x12f/0x210
[   31.804581]  ksys_dup3+0x67/0x100
[   31.804895]  __x64_sys_dup2+0x2d/0xc0
[   31.805170]  x64_sys_call+0x207d/0x20b0
[   31.805740]  do_syscall_64+0x9e/0x1a0
[   31.806145]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   31.807136] RIP: 0033:0x7f123f298867
[   31.807890] 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
[   31.809069] RSP: 002b:00007ffd71808d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   31.809456] RAX: ffffffffffffffda RBX: 00007ffd71809588 RCX: 00007f123f298867
[   31.810588] RDX: 00007ffd71808d50 RSI: 0000000040000038 RDI: 0000000000000002
[   31.811345] RBP: 00007ffd71808f50 R08: 0000000000000000 R09: 0000000000000000
[   31.812210] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   31.813129] R13: 00007ffd71809598 R14: 00007f123f3d7000 R15: 0000564930569dd8
[   31.813621]  </TASK>
[   31.814279] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail