------------[ cut here ]------------
[   25.873447] WARNING: CPU: 0 PID: 469 at mm/util.c:657 __kvmalloc_node_noprof+0xdf/0xf0
[   25.874575] Modules linked in:
[   25.875933] CPU: 0 UID: 0 PID: 469 Comm: unshare_test Not tainted 6.13.11-rc3 #1
[   25.876723] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.878095] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   25.878679] Code: 89 f0 ff 75 08 53 68 00 04 00 00 e8 bb 23 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
[   25.879781] RSP: 0018:ffffa57900663db8 EFLAGS: 00010246
[   25.880411] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   25.880879] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffff9a075308
[   25.881615] RBP: ffffa57900663dd0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   25.881945] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000400003c0
[   25.882100] R13: 00000000400003c0 R14: 0000000000400cc0 R15: 0000000200001e00
[   25.882884] FS:  00007f80cca84740(0000) GS:ffffa2fd7bc00000(0000) knlGS:0000000000000000
[   25.883688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.884099] CR2: 00007f80ccc336a0 CR3: 0000000106124000 CR4: 00000000000006f0
[   25.884865] Call Trace:
[   25.885872]  <TASK>
[   25.886560]  alloc_fdtable+0x7b/0x120
[   25.887039]  expand_files+0x118/0x310
[   25.887462]  ? do_prlimit+0x11d/0x160
[   25.887757]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   25.887914]  ksys_dup3+0x71/0xd0
[   25.888114]  __x64_sys_dup2+0x1e/0x80
[   25.888550]  x64_sys_call+0x8cf/0x2f50
[   25.888858]  do_syscall_64+0xd0/0x1a0
[   25.889071]  ? exc_page_fault+0x68/0xc0
[   25.889446]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   25.890082] RIP: 0033:0x7f80ccb86867
[   25.890815] Code: 73 01 c3 48 8b 0d 91 75 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 61 75 0e 00 f7 d8 64 89 02 b8
[   25.891118] RSP: 002b:00007ffee0f6e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   25.891797] RAX: ffffffffffffffda RBX: 00007ffee0f6ef28 RCX: 00007f80ccb86867
[   25.892476] RDX: 00007ffee0f6e848 RSI: 0000000040000038 RDI: 0000000000000002
[   25.893126] RBP: 00007ffee0f6e8e0 R08: 0000000000000000 R09: 0000000000000000
[   25.893272] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   25.893388] R13: 00007ffee0f6ef38 R14: 00007f80cccc5000 R15: 000055e9d850dcf8
[   25.893578]  </TASK>
[   25.893750] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail