------------[ cut here ]------------
[   15.912790] WARNING: CPU: 0 PID: 470 at mm/slub.c:5026 __kvmalloc_node_noprof+0x33e/0x450
[   15.914307] Modules linked in:
[   15.914943] CPU: 0 UID: 0 PID: 470 Comm: unshare_test Not tainted 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) 
[   15.915220] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.916529] RIP: 0010:__kvmalloc_node_noprof+0x33e/0x450
[   15.917424] Code: f8 95 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 c3 95 cc 01 89 c0 48
[   15.919765] RSP: 0018:ffffa146c0663d78 EFLAGS: 00010246
[   15.920479] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   15.921193] RDX: 0000000200001e00 RSI: 0000000000000000 RDI: ffffffff90d48beb
[   15.922031] RBP: ffffa146c0663dc0 R08: 0000000000400cc0 R09: 00000000ffffffff
[   15.922889] R10: 0000000000000040 R11: 0000000000400000 R12: 0000000200001e00
[   15.923865] R13: 00000000400003c0 R14: 0000000000000000 R15: 00000000004028c0
[   15.924447] FS:  00007f8e99654740(0000) GS:ffff92ce69268000(0000) knlGS:0000000000000000
[   15.925348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.925666] CR2: 00007f8e998036a0 CR3: 00000001033e0000 CR4: 00000000000006f0
[   15.926771] Call Trace:
[   15.927434]  <TASK>
[   15.927669]  ? alloc_fdtable+0x7b/0x120
[   15.927832]  alloc_fdtable+0x7b/0x120
[   15.928016]  expand_files+0x103/0x2f0
[   15.928113]  ? do_prlimit+0x11d/0x160
[   15.928212]  ? __se_sys_prlimit64+0x1e9/0x2a0
[   15.928343]  ksys_dup3+0x71/0xd0
[   15.929037]  __x64_sys_dup2+0x1e/0x80
[   15.929485]  x64_sys_call+0x896/0x2f70
[   15.930360]  do_syscall_64+0xd2/0x200
[   15.930874]  ? irqentry_exit+0x16/0x60
[   15.931444]  ? exc_page_fault+0x51/0xb0
[   15.931944]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   15.932682] RIP: 0033:0x7f8e99756867
[   15.933751] 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
[   15.936428] RSP: 002b:00007fffa0b3e998 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   15.937370] RAX: ffffffffffffffda RBX: 00007fffa0b3f1f8 RCX: 00007f8e99756867
[   15.938498] RDX: 00007fffa0b3eb18 RSI: 0000000040000038 RDI: 0000000000000002
[   15.939602] RBP: 00007fffa0b3ebb0 R08: 0000000000000000 R09: 0000000000000000
[   15.940767] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   15.941256] R13: 00007fffa0b3f208 R14: 00007f8e99897000 R15: 0000562dade0ed90
[   15.942378]  </TASK>
[   15.942949] ---[ end trace 0000000000000000 ]---

<8>[   18.433438] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   18.440945] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   18.391577] <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>[   18.400814] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail