------------[ cut here ]------------
[   39.471242] WARNING: CPU: 1 PID: 486 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   39.472833] Modules linked in:
[   39.476104] CPU: 1 UID: 0 PID: 486 Comm: unshare_test Not tainted 6.12.20-rc1 #1
[   39.476451] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   39.476950] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   39.477465] Code: 89 f0 ff 75 08 53 68 00 04 00 00 e8 7b 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
[   39.479456] RSP: 0018:ffffb3ae4068bdc8 EFLAGS: 00010246
[   39.480607] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   39.481169] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff994595d8
[   39.481920] RBP: ffffb3ae4068bde0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   39.482182] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   39.482406] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   39.483141] FS:  00007f0eedab9740(0000) GS:ffff90143bd00000(0000) knlGS:0000000000000000
[   39.483911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.484415] CR2: 00007f0eedb3c230 CR3: 0000000106160000 CR4: 00000000000006f0
[   39.485379] Call Trace:
[   39.486441]  <TASK>
[   39.487107]  ? show_regs+0x65/0x70
[   39.487806]  ? __warn+0xcf/0x1d0
[   39.487935]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   39.488112]  ? report_bug+0x14c/0x1f0
[   39.488270]  ? handle_bug+0x67/0x90
[   39.488532]  ? exc_invalid_op+0x1f/0x50
[   39.488873]  ? asm_exc_invalid_op+0x1f/0x30
[   39.489100]  ? __kvmalloc_node_noprof+0x48/0xf0
[   39.489512]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   39.489738]  ? __kvmalloc_node_noprof+0x48/0xf0
[   39.489999]  alloc_fdtable+0x74/0x110
[   39.490705]  expand_files+0x11a/0x310
[   39.490932]  ? do_prlimit+0x11d/0x160
[   39.491080]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   39.491252]  ksys_dup3+0x71/0xd0
[   39.491382]  __x64_sys_dup2+0x1e/0x80
[   39.491663]  x64_sys_call+0x628/0x2ee0
[   39.491979]  do_syscall_64+0xd0/0x1a0
[   39.492270]  ? irqentry_exit+0x16/0x60
[   39.492665]  ? sysvec_apic_timer_interrupt+0x4a/0x90
[   39.493057]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   39.493650] RIP: 0033:0x7f0eedbbaca7
[   39.494332] 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
[   39.495016] RSP: 002b:00007fff1dac7a98 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   39.495731] RAX: ffffffffffffffda RBX: 00007fff1dac82f8 RCX: 00007f0eedbbaca7
[   39.496232] RDX: 00007fff1dac7c18 RSI: 0000000040000038 RDI: 0000000000000002
[   39.497015] RBP: 00007fff1dac7cb0 R08: 0000000000000064 R09: 00000000fffffff6
[   39.497288] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   39.497593] R13: 00007fff1dac8308 R14: 00007f0eedcf8000 R15: 00005571c5a7bcf8
[   39.497910]  </TASK>
[   39.498715] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail