------------[ cut here ]------------
[   47.478971] WARNING: CPU: 0 PID: 482 at mm/util.c:657 __kvmalloc_node_noprof+0xdf/0xf0
[   47.480549] Modules linked in:
[   47.483273] CPU: 0 UID: 0 PID: 482 Comm: unshare_test Not tainted 6.13.7-rc2 #1
[   47.484386] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   47.485884] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   47.486537] Code: 89 f0 ff 75 08 53 68 00 04 00 00 e8 0b 22 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
[   47.488045] RSP: 0018:ffffaa5a00613db8 EFLAGS: 00010246
[   47.489020] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   47.489313] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffffac275078
[   47.489692] RBP: ffffaa5a00613dd0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   47.490382] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000400003c0
[   47.491091] R13: 00000000400003c0 R14: 0000000000400cc0 R15: 0000000200001e00
[   47.492468] FS:  00007f55f2007740(0000) GS:ffffa38c3bc00000(0000) knlGS:0000000000000000
[   47.492959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.493489] CR2: 00007f55f208a230 CR3: 0000000100f90000 CR4: 00000000000006f0
[   47.495043] Call Trace:
[   47.497368]  <TASK>
[   47.498230]  ? show_regs+0x65/0x70
[   47.498598]  ? __warn+0xcf/0x1d0
[   47.499035]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   47.499929]  ? report_bug+0x14c/0x1f0
[   47.500201]  ? handle_bug+0x67/0x90
[   47.500378]  ? exc_invalid_op+0x1f/0x50
[   47.500772]  ? asm_exc_invalid_op+0x1f/0x30
[   47.502315]  ? __kvmalloc_node_noprof+0x48/0xf0
[   47.503037]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   47.503477]  ? __kvmalloc_node_noprof+0x48/0xf0
[   47.504023]  alloc_fdtable+0x7b/0x120
[   47.505161]  expand_files+0x118/0x310
[   47.505510]  ? enqueue_hrtimer+0x3a/0xa0
[   47.505759]  ? ktime_get+0x47/0xd0
[   47.505975]  ? lapic_next_event+0x15/0x20
[   47.507810]  ? clockevents_program_event+0x92/0x200
[   47.508331]  ksys_dup3+0x71/0xd0
[   47.508551]  __x64_sys_dup2+0x1e/0x80
[   47.509177]  x64_sys_call+0x8cf/0x2f50
[   47.509483]  do_syscall_64+0xd0/0x1a0
[   47.511058]  ? irqentry_exit+0x16/0x60
[   47.511918]  ? sysvec_apic_timer_interrupt+0x4a/0x90
[   47.512813]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   47.513639] RIP: 0033:0x7f55f2108ca7
[   47.515057] 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
[   47.516116] RSP: 002b:00007ffdcf0db758 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   47.516436] RAX: ffffffffffffffda RBX: 00007ffdcf0dbfb8 RCX: 00007f55f2108ca7
[   47.518318] RDX: 00007ffdcf0db8d8 RSI: 0000000040000038 RDI: 0000000000000002
[   47.518626] RBP: 00007ffdcf0db970 R08: 0000000000000064 R09: 00000000fffffff6
[   47.520474] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   47.521248] R13: 00007ffdcf0dbfc8 R14: 00007f55f2246000 R15: 000056389ce96cf8
[   47.521622]  </TASK>
[   47.521862] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail