------------[ cut here ]------------
[   18.474870] WARNING: CPU: 1 PID: 490 at mm/slub.c:5026 __kvmalloc_node_noprof+0x520/0x630
[   18.476588] Modules linked in:
[   18.477179] CPU: 1 UID: 0 PID: 490 Comm: unshare_test Not tainted 6.15.0-rc6-next-20250512 #1 PREEMPT(voluntary) 
[   18.478146] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.479225] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   18.479786] Code: 45 c0 31 c0 4d 85 c0 0f 84 2c fc ff ff e9 a4 fc ff ff 45 89 ea e9 7d fb ff ff 31 d2 41 81 e5 00 20 00 00 0f 85 4d fd ff ff 90 <0f> 0b 90 e9 44 fd ff ff 65 8b 05 25 e7 10 02 48 0f a3 05 79 e1 cf
[   18.480832] RSP: 0018:ffff970e40923d80 EFLAGS: 00010246
[   18.481016] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   18.481195] RDX: 0000000000000000 RSI: ffffffffb4e41803 RDI: 00000000004428c0
[   18.481364] RBP: ffff970e40923de0 R08: 0000000000000040 R09: 0000000000000000
[   18.481636] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   18.481811] R13: 0000000000000000 R14: ffff91530115a440 R15: 00000000ffffffff
[   18.482029] FS:  00007f4448c9c740(0000) GS:ffff9153c4dc4000(0000) knlGS:0000000000000000
[   18.483014] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.483601] CR2: 00007f4448d4cef0 CR3: 0000000107836000 CR4: 00000000000006f0
[   18.484284] Call Trace:
[   18.484802]  <TASK>
[   18.485014]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   18.485241]  ? alloc_fdtable+0x78/0x120
[   18.485353]  alloc_fdtable+0x78/0x120
[   18.486191]  ? preempt_count_sub+0x50/0x80
[   18.486714]  ? alloc_fdtable+0x78/0x120
[   18.487022]  expand_files+0x67/0x2e0
[   18.487241]  ? do_prlimit+0x134/0x210
[   18.487585]  ? trace_preempt_off+0x1e/0x70
[   18.487929]  ? ksys_dup3+0x61/0x100
[   18.488282]  ksys_dup3+0x6c/0x100
[   18.488779]  __x64_sys_dup2+0x32/0xc0
[   18.489036]  x64_sys_call+0x18a8/0x20c0
[   18.489583]  do_syscall_64+0xb2/0x2b0
[   18.489826]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   18.490347] RIP: 0033:0x7f4448d9e867
[   18.490953] 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
[   18.492077] RSP: 002b:00007ffc9260c468 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   18.492671] RAX: ffffffffffffffda RBX: 00007ffc9260ccc8 RCX: 00007f4448d9e867
[   18.493065] RDX: 00007ffc9260c490 RSI: 0000000040000038 RDI: 0000000000000002
[   18.493234] RBP: 00007ffc9260c690 R08: 0000000000000000 R09: 0000000000000000
[   18.493604] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   18.493895] R13: 00007ffc9260ccd8 R14: 00007f4448edf000 R15: 0000560ff15efdd8
[   18.494249]  </TASK>
[   18.494417] ---[ end trace 0000000000000000 ]---

exit=1<LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

FAILED: 0 / 1 tests passed.
Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
core_unshare_test_global_unshare_EMFILE fail