------------[ cut here ]------------
[   44.498558] WARNING: CPU: 0 PID: 484 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   44.500705] Modules linked in:
[   44.502074] CPU: 0 UID: 0 PID: 484 Comm: unshare_test Not tainted 6.12.16-rc2 #1
[   44.504058] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   44.505039] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   44.505499] 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
[   44.506384] RSP: 0018:ffffa0490065fdc8 EFLAGS: 00010246
[   44.507861] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   44.509009] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff97c585c8
[   44.509979] RBP: ffffa0490065fde0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   44.510481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   44.511122] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   44.511845] FS:  00007f7aeefd3740(0000) GS:ffff98c0fbc00000(0000) knlGS:0000000000000000
[   44.512572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.513139] CR2: 00007f7aef182660 CR3: 0000000104022000 CR4: 00000000000006f0
[   44.513787] Call Trace:
[   44.515098]  <TASK>
[   44.515750]  ? show_regs+0x65/0x70
[   44.516262]  ? __warn+0xcf/0x1d0
[   44.516651]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   44.516991]  ? report_bug+0x14c/0x1f0
[   44.517414]  ? handle_bug+0x67/0x90
[   44.517616]  ? exc_invalid_op+0x1f/0x50
[   44.518072]  ? asm_exc_invalid_op+0x1f/0x30
[   44.518494]  ? __kvmalloc_node_noprof+0x48/0xf0
[   44.518846]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   44.519443]  ? __kvmalloc_node_noprof+0x48/0xf0
[   44.519862]  alloc_fdtable+0x74/0x110
[   44.520368]  expand_files+0x11a/0x310
[   44.520670]  ? enqueue_hrtimer+0x3a/0xa0
[   44.520979]  ? ktime_get+0x47/0xd0
[   44.521146]  ? lapic_next_event+0x15/0x20
[   44.521339]  ? clockevents_program_event+0x92/0x200
[   44.523685]  ksys_dup3+0x71/0xd0
[   44.524043]  __x64_sys_dup2+0x1e/0x80
[   44.524670]  x64_sys_call+0x628/0x2ee0
[   44.525514]  do_syscall_64+0xd0/0x1a0
[   44.525761]  ? irqentry_exit+0x16/0x60
[   44.526352]  ? sysvec_apic_timer_interrupt+0x4a/0x90
[   44.527288]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   44.527922] RIP: 0033:0x7f7aef0d4ca7
[   44.528952] 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
[   44.531528] RSP: 002b:00007ffdeeb2e2f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   44.532610] RAX: ffffffffffffffda RBX: 00007ffdeeb2eb58 RCX: 00007f7aef0d4ca7
[   44.533245] RDX: 00007ffdeeb2e478 RSI: 0000000040000038 RDI: 0000000000000002
[   44.533720] RBP: 00007ffdeeb2e510 R08: 0000000000000064 R09: 00000000fffffff6
[   44.534134] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   44.535543] R13: 00007ffdeeb2eb68 R14: 00007f7aef212000 R15: 0000564c6f76fcf8
[   44.537132]  </TASK>
[   44.537847] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail