------------[ cut here ]------------
[   52.340038] WARNING: CPU: 0 PID: 500 at mm/util.c:662 __kvmalloc_node_noprof+0xd7/0xe0
[   52.340989] Modules linked in:
[   52.341728] CPU: 0 UID: 0 PID: 500 Comm: unshare_test Not tainted 6.12.0-next-20241128 #1
[   52.343807] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   52.347000] RIP: 0010:__kvmalloc_node_noprof+0xd7/0xe0
[   52.348886] 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 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[   52.352576] RSP: 0018:ffffb36dc09b7dd8 EFLAGS: 00010246
[   52.353330] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[   52.353662] RDX: 0000000000000015 RSI: ffffffff9383723d RDI: 0000000000452cc0
[   52.353978] RBP: ffffb36dc09b7df0 R08: 0000000000000040 R09: 0000000000000000
[   52.355582] R10: ffffb36dc09b7dd8 R11: 0000000000000000 R12: 0000000200001e00
[   52.357266] R13: 00000000ffffffff R14: ffffa0ed46190600 R15: ffffa0ed46190580
[   52.358435] FS:  00007ffa2f5d2740(0000) GS:ffffa0edbbc00000(0000) knlGS:0000000000000000
[   52.358774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.359050] CR2: 00007ffa2f67b8f0 CR3: 000000010635a000 CR4: 00000000000006f0
[   52.359488] Call Trace:
[   52.359803]  <TASK>
[   52.362074]  ? show_regs+0x68/0x80
[   52.363129]  ? __warn+0x91/0x140
[   52.364453]  ? __kvmalloc_node_noprof+0xd7/0xe0
[   52.365623]  ? report_bug+0x175/0x1a0
[   52.366318]  ? handle_bug+0x5c/0xa0
[   52.367153]  ? exc_invalid_op+0x1c/0x80
[   52.368047]  ? asm_exc_invalid_op+0x1f/0x30
[   52.368985]  ? __kmalloc_node_noprof+0x39d/0x4c0
[   52.370150]  ? __kvmalloc_node_noprof+0xd7/0xe0
[   52.371312]  ? __kvmalloc_node_noprof+0x53/0xe0
[   52.372350]  alloc_fdtable+0x78/0x120
[   52.373009]  expand_files+0x68/0x2e0
[   52.373461]  ? do_prlimit+0x134/0x210
[   52.373645]  ? trace_preempt_off+0x1e/0x70
[   52.373852]  ? ksys_dup3+0x61/0x100
[   52.375443]  ksys_dup3+0x6c/0x100
[   52.375818]  __x64_sys_dup2+0x32/0xc0
[   52.377344]  x64_sys_call+0x2082/0x20b0
[   52.378074]  do_syscall_64+0xb2/0x1d0
[   52.378294]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   52.379232] RIP: 0033:0x7ffa2f6cac17
[   52.380376] Code: 73 01 c3 48 8b 0d 09 62 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 d9 61 0e 00 f7 d8 64 89 02 b8
[   52.384087] RSP: 002b:00007fffdf1b7178 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   52.385187] RAX: ffffffffffffffda RBX: 00007fffdf1b79d8 RCX: 00007ffa2f6cac17
[   52.385659] RDX: 00007fffdf1b71a0 RSI: 0000000040000038 RDI: 0000000000000002
[   52.386533] RBP: 00007fffdf1b73a0 R08: 0000000000000064 R09: 0000000000000000
[   52.387818] R10: 00007ffa2f5e7170 R11: 0000000000000206 R12: 0000000000000000
[   52.388121] R13: 00007fffdf1b79e8 R14: 00007ffa2f806000 R15: 000055ca55a47dd8
[   52.388508]  </TASK>
[   52.388944] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

core_unshare_test_global_unshare_EMFILE fail