------------[ cut here ]------------
[   16.632150] WARNING: mm/slub.c:5064 at __kvmalloc_node_noprof+0x33e/0x450, CPU#1: unshare_test/502
[   16.634053] Modules linked in:
[   16.634667] CPU: 1 UID: 0 PID: 502 Comm: unshare_test Not tainted 6.16.0-rc4-next-20250630 #1 PREEMPT(voluntary) 
[   16.635474] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.635968] RIP: 0010:__kvmalloc_node_noprof+0x33e/0x450
[   16.636821] Code: 08 f7 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 d3 f6 cc 01 89 c0 48
[   16.638076] RSP: 0018:ffffb56240677d78 EFLAGS: 00010246
[   16.638409] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   16.639169] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffff9034896b
[   16.639417] RBP: ffffb56240677dc0 R08: 0000000000400cc0 R09: 00000000ffffffff
[   16.639646] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000200001e00
[   16.640286] R13: 00000000400003c0 R14: 0000000000000000 R15: 00000000004028c0
[   16.641050] FS:  00007ff8de783740(0000) GS:ffff9c9f29d62000(0000) knlGS:0000000000000000
[   16.641610] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.641852] CR2: 00007ff8de9326a0 CR3: 000000010417c000 CR4: 00000000000006f0
[   16.642248] Call Trace:
[   16.642723]  <TASK>
[   16.642921]  ? alloc_fdtable+0x7b/0x120
[   16.643133]  alloc_fdtable+0x7b/0x120
[   16.643902]  expand_files+0x103/0x2f0
[   16.644088]  ? do_prlimit+0x11d/0x160
[   16.644401]  ? __se_sys_prlimit64+0x1e9/0x2a0
[   16.644889]  ksys_dup3+0x71/0xd0
[   16.645059]  __x64_sys_dup2+0x1e/0x80
[   16.645257]  x64_sys_call+0x896/0x2f70
[   16.645405]  do_syscall_64+0xd2/0x200
[   16.645572]  ? irqentry_exit+0x16/0x60
[   16.646017]  ? exc_page_fault+0x76/0xb0
[   16.646137]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   16.646945] RIP: 0033:0x7ff8de885867
[   16.647314] 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
[   16.650706] RSP: 002b:00007ffcf3340cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   16.651332] RAX: ffffffffffffffda RBX: 00007ffcf3341538 RCX: 00007ff8de885867
[   16.652308] RDX: 00007ffcf3340e58 RSI: 0000000040000038 RDI: 0000000000000002
[   16.652870] RBP: 00007ffcf3340ef0 R08: 0000000000000000 R09: 0000000000000000
[   16.653812] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   16.654376] R13: 00007ffcf3341548 R14: 00007ff8de9c6000 R15: 0000557089941d90
[   16.655045]  </TASK>
[   16.655235] ---[ end trace 0000000000000000 ]---

<8>[   18.907678] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   18.915031] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   18.870338] <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>[   18.878081] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail