------------[ cut here ]------------
[   30.414670] WARNING: CPU: 0 PID: 467 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   30.415544] Modules linked in:
[   30.416107] CPU: 0 UID: 0 PID: 467 Comm: unshare_test Not tainted 6.12.22-rc1 #1
[   30.418074] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.418510] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   30.418719] 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
[   30.419087] RSP: 0018:ffff9f6a805f3dc8 EFLAGS: 00010246
[   30.420494] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   30.420652] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff96a595b8
[   30.420792] RBP: ffff9f6a805f3de0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   30.422538] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   30.422989] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   30.424075] FS:  00007f9f5bc8c740(0000) GS:ffff8e443bc00000(0000) knlGS:0000000000000000
[   30.425417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.425592] CR2: 00007f9f5be2ffa4 CR3: 000000010613a000 CR4: 00000000000006f0
[   30.426923] Call Trace:
[   30.427852]  <TASK>
[   30.429585]  ? show_regs+0x65/0x70
[   30.430061]  ? __warn+0xcf/0x1d0
[   30.431682]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   30.432002]  ? report_bug+0x14c/0x1f0
[   30.432092]  ? handle_bug+0x67/0x90
[   30.432170]  ? exc_invalid_op+0x1f/0x50
[   30.434426]  ? asm_exc_invalid_op+0x1f/0x30
[   30.434546]  ? __kvmalloc_node_noprof+0x48/0xf0
[   30.434673]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   30.434766]  ? __kvmalloc_node_noprof+0x48/0xf0
[   30.434862]  alloc_fdtable+0x74/0x110
[   30.435192]  expand_files+0x11a/0x310
[   30.435316]  ? do_prlimit+0x11d/0x160
[   30.437205]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   30.438243]  ksys_dup3+0x71/0xd0
[   30.439226]  __x64_sys_dup2+0x1e/0x80
[   30.440034]  x64_sys_call+0x628/0x2ee0
[   30.440309]  do_syscall_64+0xd0/0x1a0
[   30.441594]  ? exc_page_fault+0x68/0xc0
[   30.441931]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   30.442221] RIP: 0033:0x7f9f5bd8e867
[   30.443193] 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
[   30.445012] RSP: 002b:00007ffdbadb4dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   30.445230] RAX: ffffffffffffffda RBX: 00007ffdbadb5628 RCX: 00007f9f5bd8e867
[   30.445381] RDX: 00007ffdbadb4f48 RSI: 0000000040000038 RDI: 0000000000000002
[   30.445765] RBP: 00007ffdbadb4fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.446211] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   30.447399] R13: 00007ffdbadb5638 R14: 00007f9f5becd000 R15: 0000562c593dacf8
[   30.447626]  </TASK>
[   30.447806] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail