------------[ cut here ]------------
[   46.195463] WARNING: CPU: 1 PID: 483 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   46.197270] Modules linked in:
[   46.199376] CPU: 1 UID: 0 PID: 483 Comm: unshare_test Not tainted 6.12.17-rc2 #1
[   46.200565] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   46.201765] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   46.203255] Code: 89 f0 ff 75 08 53 68 00 04 00 00 e8 2b 2a 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
[   46.208056] RSP: 0018:ffff9dd280617dc8 EFLAGS: 00010246
[   46.208382] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   46.208649] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff85a585c8
[   46.210252] RBP: ffff9dd280617de0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   46.211965] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   46.214020] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   46.215867] FS:  00007fd53240f740(0000) GS:ffff92f57bd00000(0000) knlGS:0000000000000000
[   46.216599] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.217751] CR2: 00007fd5325a1943 CR3: 0000000102916000 CR4: 00000000000006f0
[   46.219422] Call Trace:
[   46.220588]  <TASK>
[   46.221108]  ? show_regs+0x65/0x70
[   46.222793]  ? __warn+0xcf/0x1d0
[   46.223115]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   46.224142]  ? report_bug+0x14c/0x1f0
[   46.224499]  ? handle_bug+0x67/0x90
[   46.224789]  ? exc_invalid_op+0x1f/0x50
[   46.225137]  ? asm_exc_invalid_op+0x1f/0x30
[   46.226451]  ? __kvmalloc_node_noprof+0x48/0xf0
[   46.228057]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   46.229269]  ? __kvmalloc_node_noprof+0x48/0xf0
[   46.229765]  alloc_fdtable+0x74/0x110
[   46.231309]  expand_files+0x11a/0x310
[   46.231669]  ? do_prlimit+0x11d/0x160
[   46.232269]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   46.233371]  ksys_dup3+0x71/0xd0
[   46.233535]  __x64_sys_dup2+0x1e/0x80
[   46.233954]  x64_sys_call+0x628/0x2ee0
[   46.234491]  do_syscall_64+0xd0/0x1a0
[   46.235199]  ? exc_page_fault+0x68/0xc0
[   46.236278]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   46.236688] RIP: 0033:0x7fd532510ca7
[   46.238372] Code: 73 01 c3 48 8b 0d 79 81 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 49 81 0e 00 f7 d8 64 89 02 b8
[   46.239954] RSP: 002b:00007ffe12abf9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   46.240674] RAX: ffffffffffffffda RBX: 00007ffe12ac0228 RCX: 00007fd532510ca7
[   46.241294] RDX: 00007ffe12abfb48 RSI: 0000000040000038 RDI: 0000000000000002
[   46.241609] RBP: 00007ffe12abfbe0 R08: 0000000000000064 R09: 00000000fffffff6
[   46.241987] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   46.242360] R13: 00007ffe12ac0238 R14: 00007fd53264e000 R15: 0000557957a01cf8
[   46.243832]  </TASK>
[   46.244834] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail