------------[ cut here ]------------
[   44.160564] WARNING: CPU: 1 PID: 484 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   44.162370] Modules linked in:
[   44.163290] CPU: 1 UID: 0 PID: 484 Comm: unshare_test Not tainted 6.12.17-rc1 #1
[   44.164024] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   44.165158] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   44.165838] 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
[   44.167172] RSP: 0018:ffffb5dec067bdc8 EFLAGS: 00010246
[   44.167524] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   44.168116] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff998585c8
[   44.169720] RBP: ffffb5dec067bde0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   44.170686] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   44.171828] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   44.172916] FS:  00007f9c6d52f740(0000) GS:ffff912efbd00000(0000) knlGS:0000000000000000
[   44.173315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.173957] CR2: 00007f9c6d6c1943 CR3: 000000010519c000 CR4: 00000000000006f0
[   44.175209] Call Trace:
[   44.176860]  <TASK>
[   44.177863]  ? show_regs+0x65/0x70
[   44.178735]  ? __warn+0xcf/0x1d0
[   44.178982]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   44.179203]  ? report_bug+0x14c/0x1f0
[   44.180065]  ? handle_bug+0x67/0x90
[   44.180868]  ? exc_invalid_op+0x1f/0x50
[   44.181172]  ? asm_exc_invalid_op+0x1f/0x30
[   44.181367]  ? __kvmalloc_node_noprof+0x48/0xf0
[   44.182361]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   44.183304]  ? __kvmalloc_node_noprof+0x48/0xf0
[   44.183751]  alloc_fdtable+0x74/0x110
[   44.184720]  expand_files+0x11a/0x310
[   44.184893]  ? do_prlimit+0x11d/0x160
[   44.185045]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   44.185202]  ksys_dup3+0x71/0xd0
[   44.185355]  __x64_sys_dup2+0x1e/0x80
[   44.185498]  x64_sys_call+0x628/0x2ee0
[   44.185646]  do_syscall_64+0xd0/0x1a0
[   44.185788]  ? irqentry_exit+0x16/0x60
[   44.185929]  ? sysvec_apic_timer_interrupt+0x4a/0x90
[   44.186103]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   44.188190] RIP: 0033:0x7f9c6d630ca7
[   44.188955] 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
[   44.191274] RSP: 002b:00007ffd7197c2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   44.192534] RAX: ffffffffffffffda RBX: 00007ffd7197cb18 RCX: 00007f9c6d630ca7
[   44.193919] RDX: 00007ffd7197c438 RSI: 0000000040000038 RDI: 0000000000000002
[   44.194979] RBP: 00007ffd7197c4d0 R08: 0000000000000064 R09: 00000000fffffff6
[   44.195820] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   44.196827] R13: 00007ffd7197cb28 R14: 00007f9c6d76e000 R15: 000055843975fcf8
[   44.197560]  </TASK>
[   44.197887] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail