------------[ cut here ]------------
[   41.838726] WARNING: CPU: 0 PID: 485 at mm/util.c:670 __kvmalloc_node_noprof+0xdf/0xf0
[   41.840646] Modules linked in:
[   41.841837] CPU: 0 UID: 0 PID: 485 Comm: unshare_test Not tainted 6.12.19-rc1 #1
[   41.843257] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   41.845540] RIP: 0010:__kvmalloc_node_noprof+0xdf/0xf0
[   41.846327] 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
[   41.848420] RSP: 0018:ffffab06c0633dc8 EFLAGS: 00010246
[   41.848791] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   41.850222] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff838595d8
[   41.850719] RBP: ffffab06c0633de0 R08: 0000000000412cc0 R09: 00000000ffffffff
[   41.852027] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   41.852781] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   41.854680] FS:  00007fc0c4594740(0000) GS:ffff91833bc00000(0000) knlGS:0000000000000000
[   41.855754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.856791] CR2: 00007fc0c4743660 CR3: 000000010536c000 CR4: 00000000000006f0
[   41.857578] Call Trace:
[   41.859854]  <TASK>
[   41.860619]  ? show_regs+0x65/0x70
[   41.860978]  ? __warn+0xcf/0x1d0
[   41.861957]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   41.862880]  ? report_bug+0x14c/0x1f0
[   41.863597]  ? handle_bug+0x67/0x90
[   41.864829]  ? exc_invalid_op+0x1f/0x50
[   41.865681]  ? asm_exc_invalid_op+0x1f/0x30
[   41.866473]  ? __kvmalloc_node_noprof+0x48/0xf0
[   41.866902]  ? __kvmalloc_node_noprof+0xdf/0xf0
[   41.867783]  ? __kvmalloc_node_noprof+0x48/0xf0
[   41.868709]  alloc_fdtable+0x74/0x110
[   41.870091]  expand_files+0x11a/0x310
[   41.870272]  ? do_prlimit+0x11d/0x160
[   41.870498]  ? __se_sys_prlimit64+0x1ea/0x2a0
[   41.870721]  ksys_dup3+0x71/0xd0
[   41.870881]  __x64_sys_dup2+0x1e/0x80
[   41.871049]  x64_sys_call+0x628/0x2ee0
[   41.871222]  do_syscall_64+0xd0/0x1a0
[   41.871427]  ? exc_page_fault+0x68/0xc0
[   41.872172]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   41.872797] RIP: 0033:0x7fc0c4695ca7
[   41.873490] 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
[   41.877029] RSP: 002b:00007ffe30c3f2f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   41.877341] RAX: ffffffffffffffda RBX: 00007ffe30c3fb58 RCX: 00007fc0c4695ca7
[   41.877615] RDX: 00007ffe30c3f478 RSI: 0000000040000038 RDI: 0000000000000002
[   41.879943] RBP: 00007ffe30c3f510 R08: 0000000000000064 R09: 00000000fffffff6
[   41.880547] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   41.880812] R13: 00007ffe30c3fb68 R14: 00007fc0c47d3000 R15: 000055f4d61afcf8
[   41.883362]  </TASK>
[   41.883691] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail