------------[ cut here ]------------
[   47.558763] WARNING: CPU: 0 PID: 485 at mm/util.c:657 __kvmalloc_node_noprof+0xd2/0xe0
[   47.561198] Modules linked in:
[   47.565232] CPU: 0 UID: 0 PID: 485 Comm: unshare_test Not tainted 6.13.8-rc1 #1
[   47.566403] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   47.567174] RIP: 0010:__kvmalloc_node_noprof+0xd2/0xe0
[   47.572596] 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
[   47.575520] RSP: 0018:ffffae92805e7df0 EFLAGS: 00010246
[   47.575828] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   47.577956] RDX: 0000000000000015 RSI: ffffffffaa2a2a2e RDI: 0000000000452cc0
[   47.579516] RBP: ffffae92805e7e08 R08: 0000000000000040 R09: 0000000000000000
[   47.581141] R10: ffffae92805e7df0 R11: 0000000000000000 R12: 0000000200001e00
[   47.582290] R13: 00000000ffffffff R14: ffff99c3c6c59ec0 R15: ffff99c3c6c59e40
[   47.582861] FS:  00007f41cc1cb740(0000) GS:ffff99c43bc00000(0000) knlGS:0000000000000000
[   47.583246] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.583486] CR2: 00007f41cc27fdc0 CR3: 0000000101282000 CR4: 00000000000006f0
[   47.584924] Call Trace:
[   47.586613]  <TASK>
[   47.588019]  ? show_regs+0x63/0x70
[   47.588322]  ? __warn+0x8c/0x140
[   47.589718]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   47.590792]  ? report_bug+0x175/0x1a0
[   47.592337]  ? handle_bug+0x5c/0xa0
[   47.593391]  ? exc_invalid_op+0x1c/0x80
[   47.593591]  ? asm_exc_invalid_op+0x1f/0x30
[   47.594732]  ? __kmalloc_node_noprof+0x32e/0x3c0
[   47.595983]  ? __kvmalloc_node_noprof+0xd2/0xe0
[   47.596242]  alloc_fdtable+0x73/0x110
[   47.596574]  expand_files+0x63/0x2d0
[   47.596748]  ? do_prlimit+0x12f/0x210
[   47.598550]  ksys_dup3+0x67/0x100
[   47.599121]  __x64_sys_dup2+0x2d/0xc0
[   47.599298]  x64_sys_call+0x207d/0x20b0
[   47.599470]  do_syscall_64+0x9e/0x1a0
[   47.599659]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   47.599986] RIP: 0033:0x7f41cc2ccca7
[   47.600553] 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
[   47.602664] RSP: 002b:00007ffe715401f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   47.604427] RAX: ffffffffffffffda RBX: 00007ffe71540a58 RCX: 00007f41cc2ccca7
[   47.604931] RDX: 00007ffe71540220 RSI: 0000000040000038 RDI: 0000000000000002
[   47.605385] RBP: 00007ffe71540420 R08: 0000000000000064 R09: 00000000fffffff6
[   47.606060] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   47.607573] R13: 00007ffe71540a68 R14: 00007f41cc40a000 R15: 000055b5c5195dd8
[   47.608338]  </TASK>
[   47.608788] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail