------------[ cut here ]------------
[   41.563004] WARNING: CPU: 0 PID: 486 at mm/util.c:670 __kvmalloc_node_noprof+0xd2/0xe0
[   41.564205] Modules linked in:
[   41.566012] CPU: 0 UID: 0 PID: 486 Comm: unshare_test Not tainted 6.12.21-rc2 #1
[   41.566820] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   41.567722] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   41.568603] Code: 00 48 83 c4 18 48 8d 65 e8 5b 41 5c 41 5d 5d c3 cc cc cc cc 48 b9 00 00 00 00 00 20 00 00 eb bd 80 e7 20 0f 85 52 ff ff ff 90 <0f> 0b 90 e9 49 ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90
[   41.569849] RSP: 0018:ffff9e4dc0657df8 EFLAGS: 00010246
[   41.570220] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   41.570765] RDX: 0000000000000000 RSI: ffffffffb5e9b721 RDI: 0000000000452cc0
[   41.571517] RBP: ffff9e4dc0657e10 R08: 0000000000000040 R09: ffff97a7814570c0
[   41.571724] R10: ffff9e4dc0657df8 R11: 0000000000000000 R12: 0000000200002000
[   41.572562] R13: 00000000ffffffff R14: ffff97a7816b1c00 R15: ffff97a7816b1b80
[   41.572880] FS:  00007faea9871740(0000) GS:ffff97a7fbc00000(0000) knlGS:0000000000000000
[   41.573056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.573170] CR2: 00007faea9a206a0 CR3: 00000001014a4000 CR4: 00000000000006f0
[   41.573644] Call Trace:
[   41.575061]  <TASK>
[   41.575441]  ? show_regs+0x63/0x70
[   41.576744]  ? __warn+0x8c/0x140
[   41.576997]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   41.577291]  ? report_bug+0x175/0x1a0
[   41.577571]  ? handle_bug+0x5c/0xa0
[   41.577948]  ? exc_invalid_op+0x1c/0x80
[   41.578110]  ? asm_exc_invalid_op+0x1f/0x30
[   41.579001]  ? __kmalloc_node_noprof+0x2a1/0x320
[   41.579287]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   41.579576]  ? __kvmalloc_node_noprof+0x4e/0xe0
[   41.579900]  alloc_fdtable+0x74/0x100
[   41.580135]  expand_files+0x62/0x310
[   41.580218]  ? do_prlimit+0x12f/0x210
[   41.580304]  ksys_dup3+0x67/0x100
[   41.580396]  __x64_sys_dup2+0x2d/0xd0
[   41.580478]  x64_sys_call+0x1cb8/0x2060
[   41.580555]  do_syscall_64+0x9e/0x1a0
[   41.580652]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   41.580856] RIP: 0033:0x7faea9973867
[   41.581287] 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
[   41.582746] RSP: 002b:00007ffd3444b878 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   41.583644] RAX: ffffffffffffffda RBX: 00007ffd3444c0d8 RCX: 00007faea9973867
[   41.585798] RDX: 00007ffd3444b8a0 RSI: 0000000040000038 RDI: 0000000000000002
[   41.585992] RBP: 00007ffd3444baa0 R08: 0000000000000000 R09: 0000000000000000
[   41.586258] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   41.586910] R13: 00007ffd3444c0e8 R14: 00007faea9ab2000 R15: 000055e4443a4dd8
[   41.588088]  </TASK>
[   41.588381] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail