------------[ cut here ]------------
[   24.869208] WARNING: CPU: 0 PID: 471 at mm/slub.c:5027 __kvmalloc_node_noprof+0x33e/0x450
[   24.869958] Modules linked in:
[   24.870575] CPU: 0 UID: 0 PID: 471 Comm: unshare_test Not tainted 6.15.0-next-20250528 #1 PREEMPT(voluntary) 
[   24.871843] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.872463] RIP: 0010:__kvmalloc_node_noprof+0x33e/0x450
[   24.872654] Code: 18 ce cc 01 0f 85 da fe ff ff 0f 1f 44 00 00 e9 d0 fe ff ff 45 31 f6 e9 02 ff ff ff 41 f7 c0 00 20 00 00 0f 85 1d ff ff ff 90 <0f> 0b 90 45 31 f6 eb 85 f3 0f 1e fa 65 8b 05 e3 cd cc 01 89 c0 48
[   24.872937] RSP: 0018:ffffa6c0c068bd78 EFLAGS: 00010246
[   24.873053] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   24.873150] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffff98756ffb
[   24.874429] RBP: ffffa6c0c068bdc0 R08: 0000000000400cc0 R09: 00000000ffffffff
[   24.875059] R10: ffff8c92c390bc80 R11: dead000000000100 R12: 0000000200001e00
[   24.875347] R13: 00000000400003c0 R14: 0000000000000000 R15: 00000000004028c0
[   24.875789] FS:  00007fc838729740(0000) GS:ffff8c93a1864000(0000) knlGS:0000000000000000
[   24.876858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.877226] CR2: 00007fc8387ad150 CR3: 00000001015b0000 CR4: 00000000000006f0
[   24.877957] Call Trace:
[   24.879007]  <TASK>
[   24.879356]  ? alloc_fdtable+0x7b/0x120
[   24.880274]  alloc_fdtable+0x7b/0x120
[   24.880862]  expand_files+0x103/0x2f0
[   24.881178]  ? do_prlimit+0x11d/0x160
[   24.881272]  ? __se_sys_prlimit64+0x1e9/0x2a0
[   24.881341]  ksys_dup3+0x71/0xd0
[   24.881397]  __x64_sys_dup2+0x1e/0x80
[   24.881455]  x64_sys_call+0x896/0x2f70
[   24.881513]  do_syscall_64+0xd2/0x200
[   24.881571]  ? irqentry_exit+0x16/0x60
[   24.881642]  ? exc_page_fault+0x76/0xb0
[   24.881799]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   24.882114] RIP: 0033:0x7fc83882b867
[   24.882459] 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
[   24.884099] RSP: 002b:00007fff9f4d1338 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   24.884776] RAX: ffffffffffffffda RBX: 00007fff9f4d1b98 RCX: 00007fc83882b867
[   24.885065] RDX: 00007fff9f4d14b8 RSI: 0000000040000038 RDI: 0000000000000002
[   24.885344] RBP: 00007fff9f4d1550 R08: 0000000000000000 R09: 0000000000000000
[   24.885622] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   24.885879] R13: 00007fff9f4d1ba8 R14: 00007fc83896c000 R15: 000055cb06636d90
[   24.886107]  </TASK>
[   24.886325] ---[ end trace 0000000000000000 ]---

<8>[   28.414514] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   28.426414] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   28.348477] <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>[   28.363102] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail