------------[ cut here ]------------
[  122.604793] WARNING: CPU: 0 PID: 501 at mm/util.c:662 __kvmalloc_node_noprof+0xd7/0xe0
[  122.607249] Modules linked in:
[  122.608563] CPU: 0 UID: 0 PID: 501 Comm: unshare_test Not tainted 6.12.0-next-20241126 #1
[  122.610026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  122.611390] RIP: 0010:__kvmalloc_node_noprof+0xd7/0xe0
[  122.612355] 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
[  122.615091] RSP: 0018:ffffa5c740903dd8 EFLAGS: 00010246
[  122.616420] RAX: 0000000000000000 RBX: 00000000004000c0 RCX: 0000000000000015
[  122.617608] RDX: 0000000000000000 RSI: ffffffff9b83695d RDI: 0000000000452cc0
[  122.618120] RBP: ffffa5c740903df0 R08: 0000000000000040 R09: 0000000000000038
[  122.618713] R10: ffffa5c740903dd8 R11: 0000000000000000 R12: 0000000200001e00
[  122.618964] R13: 00000000ffffffff R14: ffff9028c02bd680 R15: ffff9028c02bd600
[  122.619346] FS:  00007fae4d8f4740(0000) GS:ffff90293bc00000(0000) knlGS:0000000000000000
[  122.619635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  122.621767] CR2: 00007fae4d99d8f0 CR3: 0000000100b2a000 CR4: 00000000000006f0
[  122.623187] Call Trace:
[  122.624228]  <TASK>
[  122.624697]  ? show_regs+0x68/0x80
[  122.626231]  ? __warn+0x91/0x140
[  122.627099]  ? __kvmalloc_node_noprof+0xd7/0xe0
[  122.627596]  ? report_bug+0x175/0x1a0
[  122.628462]  ? handle_bug+0x5c/0xa0
[  122.629264]  ? exc_invalid_op+0x1c/0x80
[  122.630305]  ? asm_exc_invalid_op+0x1f/0x30
[  122.630700]  ? __kmalloc_node_noprof+0x39d/0x4c0
[  122.631131]  ? __kvmalloc_node_noprof+0xd7/0xe0
[  122.631638]  ? __kvmalloc_node_noprof+0x53/0xe0
[  122.632118]  alloc_fdtable+0x78/0x120
[  122.632666]  expand_files+0x68/0x2e0
[  122.632995]  ? do_prlimit+0x134/0x210
[  122.633297]  ? trace_preempt_off+0x1e/0x70
[  122.633453]  ? ksys_dup3+0x61/0x100
[  122.633590]  ksys_dup3+0x6c/0x100
[  122.633725]  __x64_sys_dup2+0x32/0xc0
[  122.633862]  x64_sys_call+0x2082/0x20b0
[  122.634008]  do_syscall_64+0xb2/0x1d0
[  122.634311]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  122.634899] RIP: 0033:0x7fae4d9ecc17
[  122.635876] 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
[  122.637336] RSP: 002b:00007ffe4cea0db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[  122.638456] RAX: ffffffffffffffda RBX: 00007ffe4cea1618 RCX: 00007fae4d9ecc17
[  122.639177] RDX: 00007ffe4cea0de0 RSI: 0000000040000038 RDI: 0000000000000002
[  122.639820] RBP: 00007ffe4cea0fe0 R08: 0000000000000064 R09: 0000000000000000
[  122.640543] R10: 00007fae4d909170 R11: 0000000000000206 R12: 0000000000000000
[  122.641273] R13: 00007ffe4cea1628 R14: 00007fae4db28000 R15: 000055b95348cdd8
[  122.642117]  </TASK>
[  122.642624] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

core_unshare_test_global_unshare_EMFILE fail