------------[ cut here ]------------
[   38.890273] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x520/0x630, CPU#1: unshare_test/522
[   38.891705] Modules linked in:
[   38.893027] CPU: 1 UID: 0 PID: 522 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[   38.910206] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   38.911228] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   38.911927] 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 f5 e7 10 02 48 0f a3 05 49 c2 cf
[   38.913185] RSP: 0018:fffface14082fd80 EFLAGS: 00010246
[   38.913687] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   38.914253] RDX: 0000000000000000 RSI: ffffffff96841733 RDI: 00000000004428c0
[   38.914854] RBP: fffface14082fde0 R08: 0000000000000000 R09: 0000000000000000
[   38.915261] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   38.915518] R13: 0000000000000000 R14: ffff8b45c3dda180 R15: 00000000ffffffff
[   38.915891] FS:  00007ff1e8f2e740(0000) GS:ffff8b46a33c4000(0000) knlGS:0000000000000000
[   38.916077] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.916386] CR2: 00007ff1e8fdeef0 CR3: 0000000102720000 CR4: 00000000000006f0
[   38.917779] Call Trace:
[   38.918430]  <TASK>
[   38.919114]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   38.919502]  ? alloc_fdtable+0x78/0x120
[   38.919692]  alloc_fdtable+0x78/0x120
[   38.920111]  ? preempt_count_sub+0x50/0x80
[   38.920368]  ? alloc_fdtable+0x78/0x120
[   38.920469]  expand_files+0x67/0x2e0
[   38.920556]  ? do_prlimit+0x134/0x210
[   38.921063]  ? trace_preempt_off+0x1e/0x70
[   38.921378]  ? ksys_dup3+0x61/0x100
[   38.921635]  ksys_dup3+0x6c/0x100
[   38.922444]  __x64_sys_dup2+0x32/0xc0
[   38.922647]  x64_sys_call+0x18a8/0x20c0
[   38.922966]  do_syscall_64+0xb2/0x2b0
[   38.923198]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   38.924565] RIP: 0033:0x7ff1e9030867
[   38.925350] 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
[   38.926552] RSP: 002b:00007ffff4872eb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   38.927153] RAX: ffffffffffffffda RBX: 00007ffff4873718 RCX: 00007ff1e9030867
[   38.927318] RDX: 00007ffff4872ee0 RSI: 0000000040000038 RDI: 0000000000000002
[   38.927676] RBP: 00007ffff48730e0 R08: 0000000000000000 R09: 0000000000000000
[   38.927971] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   38.928337] R13: 00007ffff4873728 R14: 00007ff1e9171000 R15: 0000564eac264dd8
[   38.928690]  </TASK>
[   38.929056] ---[ end trace 0000000000000000 ]---

<8>[   42.963636] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   42.980599] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   42.889077] <LAVA_SIGNAL_STARTTC core_unshare_test_global_unshare_EMFILE>
FAILED: 0 / 1 tests passed.
Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
<8>[   42.903310] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail