------------[ cut here ]------------
[   43.671182] WARNING: CPU: 1 PID: 485 at mm/util.c:670 __kvmalloc_node_noprof+0xd2/0xe0
[   43.672193] Modules linked in:
[   43.673434] CPU: 1 UID: 0 PID: 485 Comm: unshare_test Not tainted 6.12.17-rc2 #1
[   43.674247] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   43.675242] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   43.675695] 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
[   43.676823] RSP: 0018:ffff9f31c066fdf8 EFLAGS: 00010246
[   43.677458] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   43.678766] RDX: 0000000000000000 RSI: ffffffffa249b6c1 RDI: 0000000000452cc0
[   43.679014] RBP: ffff9f31c066fe10 R08: 0000000000000040 R09: 0000000000000000
[   43.679718] R10: ffff9f31c066fdf8 R11: 0000000000000000 R12: 0000000200002000
[   43.680293] R13: 00000000ffffffff R14: ffff9561c5034340 R15: ffff9561c50342c0
[   43.680927] FS:  00007fa789da4740(0000) GS:ffff95623bd00000(0000) knlGS:0000000000000000
[   43.681609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.682018] CR2: 00007fa789f53660 CR3: 00000001051f6000 CR4: 00000000000006f0
[   43.683347] Call Trace:
[   43.684773]  <TASK>
[   43.685592]  ? show_regs+0x63/0x70
[   43.685978]  ? __warn+0x8c/0x140
[   43.686426]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   43.686782]  ? report_bug+0x175/0x1a0
[   43.686953]  ? handle_bug+0x5c/0xa0
[   43.687374]  ? exc_invalid_op+0x1c/0x80
[   43.687688]  ? asm_exc_invalid_op+0x1f/0x30
[   43.687999]  ? __kmalloc_node_noprof+0x2a1/0x320
[   43.688449]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   43.688842]  ? __kvmalloc_node_noprof+0x4e/0xe0
[   43.689373]  alloc_fdtable+0x74/0x100
[   43.690206]  expand_files+0x62/0x310
[   43.690433]  ? do_prlimit+0x12f/0x210
[   43.690619]  ksys_dup3+0x67/0x100
[   43.690806]  __x64_sys_dup2+0x2d/0xd0
[   43.691294]  x64_sys_call+0x1cb8/0x2060
[   43.691611]  do_syscall_64+0x9e/0x1a0
[   43.691972]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   43.692667] RIP: 0033:0x7fa789ea5ca7
[   43.693589] 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
[   43.694626] RSP: 002b:00007ffed09402f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   43.694938] RAX: ffffffffffffffda RBX: 00007ffed0940b58 RCX: 00007fa789ea5ca7
[   43.695464] RDX: 00007ffed0940320 RSI: 0000000040000038 RDI: 0000000000000002
[   43.695945] RBP: 00007ffed0940520 R08: 0000000000000064 R09: 00000000fffffff6
[   43.696625] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   43.697192] R13: 00007ffed0940b68 R14: 00007fa789fe3000 R15: 00005603bd867dd8
[   43.697784]  </TASK>
[   43.698042] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail