------------[ cut here ]------------
[   31.359924] WARNING: CPU: 0 PID: 470 at mm/util.c:677 __kvmalloc_node_noprof+0xdf/0xf0
[   31.362926] Modules linked in:
[   31.365052] CPU: 0 UID: 0 PID: 470 Comm: unshare_test Not tainted 6.14.2-rc4 #1
[   31.366411] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   31.368204] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   31.368516] Code: 89 f0 ff 75 08 53 68 00 04 00 00 e8 4b 29 04 00 48 83 c4 18 5b 41 5e 41 5f 5d c3 cc cc cc cc cc 41 f7 c6 00 20 00 00 75 81 90 <0f> 0b 90 31 c0 eb e3 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[   31.370194] RSP: 0018:ffff96180062fdb8 EFLAGS: 00010246
[   31.370648] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   31.370909] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffff88275728
[   31.371161] RBP: ffff96180062fdd0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   31.372268] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000400003c0
[   31.372747] R13: 00000000400003c0 R14: 0000000000400cc0 R15: 0000000200001e00
[   31.373255] FS:  00007ff5fb8df740(0000) GS:ffff8cdbfbc00000(0000) knlGS:0000000000000000
[   31.373823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.374217] CR2: 00007ff5fb98fef0 CR3: 00000001020e4000 CR4: 00000000000006f0
[   31.376448] Call Trace:
[   31.377324]  <TASK>
[   31.377957]  alloc_fdtable+0x7b/0x120
[   31.379675]  expand_files+0x114/0x300
[   31.380136]  ? do_prlimit+0x11d/0x160
[   31.380581]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   31.381163]  ksys_dup3+0x71/0xd0
[   31.381627]  __x64_sys_dup2+0x1e/0x80
[   31.381862]  x64_sys_call+0x8cf/0x2f50
[   31.382181]  do_syscall_64+0xd0/0x1a0
[   31.382740]  ? exc_page_fault+0x68/0xc0
[   31.383463]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   31.384583] RIP: 0033:0x7ff5fb9e1867
[   31.385319] 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
[   31.386954] RSP: 002b:00007ffd2ff84478 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   31.387452] RAX: ffffffffffffffda RBX: 00007ffd2ff84cd8 RCX: 00007ff5fb9e1867
[   31.387725] RDX: 00007ffd2ff845f8 RSI: 0000000040000038 RDI: 0000000000000002
[   31.387993] RBP: 00007ffd2ff84690 R08: 0000000000000000 R09: 0000000000000000
[   31.389414] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   31.389699] R13: 00007ffd2ff84ce8 R14: 00007ff5fbb20000 R15: 000055640da7fcf8
[   31.390899]  </TASK>
[   31.392555] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail