------------[ cut here ]------------
[   44.447697] WARNING: mm/slub.c:5063 at __kvmalloc_node_noprof+0x520/0x630, CPU#0: unshare_test/524
[   44.448593] Modules linked in:
[   44.449905] CPU: 0 UID: 0 PID: 524 Comm: unshare_test Not tainted 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   44.450709] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   44.451340] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   44.451877] 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 d5 e6 10 02 48 0f a3 05 29 c1 cf
[   44.453918] RSP: 0018:ffffb1c08089fd80 EFLAGS: 00010246
[   44.454150] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   44.454563] RDX: 0000000000000000 RSI: ffffffff83641853 RDI: 00000000004428c0
[   44.454767] RBP: ffffb1c08089fde0 R08: 0000000000000000 R09: 0000000000000000
[   44.455326] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   44.455537] R13: 0000000000000000 R14: ffff8ef001115100 R15: 00000000ffffffff
[   44.455809] FS:  00007fce77fda740(0000) GS:ffff8ef0f64c4000(0000) knlGS:0000000000000000
[   44.456050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.457813] CR2: 00007fce7808ff00 CR3: 0000000106390000 CR4: 00000000000006f0
[   44.458988] Call Trace:
[   44.460344]  <TASK>
[   44.461092]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   44.462065]  ? alloc_fdtable+0x78/0x120
[   44.462581]  alloc_fdtable+0x78/0x120
[   44.463871]  ? preempt_count_sub+0x50/0x80
[   44.464451]  ? alloc_fdtable+0x78/0x120
[   44.464759]  expand_files+0x67/0x2e0
[   44.465046]  ? do_prlimit+0x134/0x210
[   44.465672]  ? trace_preempt_off+0x1e/0x70
[   44.466232]  ? ksys_dup3+0x61/0x100
[   44.466980]  ksys_dup3+0x6c/0x100
[   44.467483]  __x64_sys_dup2+0x32/0xc0
[   44.467916]  x64_sys_call+0x18a8/0x20c0
[   44.468164]  do_syscall_64+0xb2/0x2b0
[   44.468398]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   44.468811] RIP: 0033:0x7fce780dc867
[   44.469793] 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
[   44.471474] RSP: 002b:00007ffde12b3188 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   44.471905] RAX: ffffffffffffffda RBX: 00007ffde12b39e8 RCX: 00007fce780dc867
[   44.472266] RDX: 00007ffde12b31b0 RSI: 0000000040000038 RDI: 0000000000000002
[   44.472463] RBP: 00007ffde12b33b0 R08: 0000000000000000 R09: 0000000000000000
[   44.472650] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   44.472833] R13: 00007ffde12b39f8 R14: 00007fce7821d000 R15: 0000556b52277dd8
[   44.473226]  </TASK>
[   44.473677] ---[ end trace 0000000000000000 ]---

<8>[   48.834378] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   48.848638] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   48.754370] <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>[   48.770868] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail