------------[ cut here ]------------
[   41.012442] WARNING: CPU: 1 PID: 489 at mm/slub.c:5026 __kvmalloc_node_noprof+0x520/0x630
[   41.013217] Modules linked in:
[   41.016246] CPU: 1 UID: 0 PID: 489 Comm: unshare_test Not tainted 6.15.0-rc6-next-20250514 #1 PREEMPT(voluntary) 
[   41.017357] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   41.018802] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   41.020070] 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 e5 e5 10 02 48 0f a3 05 39 e2 cf
[   41.020764] RSP: 0018:ffff9154008ebd80 EFLAGS: 00010246
[   41.021918] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   41.022407] RDX: 0000000000000000 RSI: ffffffff85841943 RDI: 00000000004428c0
[   41.022966] RBP: ffff9154008ebde0 R08: 0000000000000040 R09: 0000000000000000
[   41.024133] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   41.024693] R13: 0000000000000000 R14: ffff8fba00f42f40 R15: 00000000ffffffff
[   41.025138] FS:  00007fb7564a6740(0000) GS:ffff8fbaf43c4000(0000) knlGS:0000000000000000
[   41.025397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.025582] CR2: 00007fb75652a150 CR3: 0000000103c9a000 CR4: 00000000000006f0
[   41.025979] Call Trace:
[   41.026247]  <TASK>
[   41.027588]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   41.028204]  ? alloc_fdtable+0x78/0x120
[   41.028490]  alloc_fdtable+0x78/0x120
[   41.029063]  ? preempt_count_sub+0x50/0x80
[   41.029248]  ? alloc_fdtable+0x78/0x120
[   41.029573]  expand_files+0x67/0x2e0
[   41.029979]  ? do_prlimit+0x134/0x210
[   41.030398]  ? trace_preempt_off+0x1e/0x70
[   41.030834]  ? ksys_dup3+0x61/0x100
[   41.030982]  ksys_dup3+0x6c/0x100
[   41.031106]  __x64_sys_dup2+0x32/0xc0
[   41.031238]  x64_sys_call+0x18a8/0x20c0
[   41.031406]  do_syscall_64+0xb2/0x2b0
[   41.031543]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   41.032123] RIP: 0033:0x7fb7565a8867
[   41.033108] 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
[   41.034495] RSP: 002b:00007ffc7e241458 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   41.035259] RAX: ffffffffffffffda RBX: 00007ffc7e241cb8 RCX: 00007fb7565a8867
[   41.036387] RDX: 00007ffc7e241480 RSI: 0000000040000038 RDI: 0000000000000002
[   41.036892] RBP: 00007ffc7e241680 R08: 0000000000000000 R09: 0000000000000000
[   41.037960] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   41.038448] R13: 00007ffc7e241cc8 R14: 00007fb7566e9000 R15: 0000559a70a77dd8
[   41.038742]  </TASK>
[   41.038961] ---[ end trace 0000000000000000 ]---

<8>[   45.648374] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   45.664519] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   45.563582] <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>[   45.581099] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail