------------[ cut here ]------------
[   19.687499] WARNING: mm/slub.c:5064 at __kvmalloc_node_noprof+0x520/0x630, CPU#1: unshare_test/521
[   19.689031] Modules linked in:
[   19.690347] CPU: 1 UID: 0 PID: 521 Comm: unshare_test Not tainted 6.16.0-rc4-next-20250630 #1 PREEMPT(voluntary) 
[   19.691471] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.692744] RIP: 0010:__kvmalloc_node_noprof+0x520/0x630
[   19.693562] 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 35 f5 11 02 48 0f a3 05 c9 6f d0
[   19.695387] RSP: 0018:ffffa561808ebd80 EFLAGS: 00010246
[   19.695909] RAX: 0000000000200001 RBX: 0000000040000300 RCX: 0000000000000015
[   19.696097] RDX: 0000000000000000 RSI: ffffffffab4389f3 RDI: 00000000004428c0
[   19.696292] RBP: ffffa561808ebde0 R08: 0000000000000000 R09: 0000000000000000
[   19.697356] R10: 00000000004028c0 R11: 0000000000000000 R12: 0000000200001e00
[   19.698354] R13: 0000000000000000 R14: ffff9c42041afd00 R15: 00000000ffffffff
[   19.699271] FS:  00007f11bf197740(0000) GS:ffff9c42ce7bc000(0000) knlGS:0000000000000000
[   19.699966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.700781] CR2: 00007f11bf21b150 CR3: 0000000101768000 CR4: 00000000000006f0
[   19.701751] Call Trace:
[   19.702508]  <TASK>
[   19.702938]  ? __kmalloc_cache_noprof+0x398/0x3d0
[   19.703770]  ? alloc_fdtable+0x78/0x120
[   19.704049]  alloc_fdtable+0x78/0x120
[   19.704779]  ? preempt_count_sub+0x50/0x80
[   19.705181]  ? alloc_fdtable+0x78/0x120
[   19.705292]  expand_files+0x67/0x2e0
[   19.705389]  ? do_prlimit+0x134/0x210
[   19.705487]  ? trace_preempt_off+0x1e/0x70
[   19.706058]  ? ksys_dup3+0x61/0x100
[   19.706649]  ksys_dup3+0x6c/0x100
[   19.707249]  __x64_sys_dup2+0x32/0xc0
[   19.707763]  x64_sys_call+0x18a8/0x20c0
[   19.708412]  do_syscall_64+0xb2/0x2b0
[   19.708982]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   19.709752] RIP: 0033:0x7f11bf299867
[   19.710508] 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
[   19.712025] RSP: 002b:00007fff65f5e978 EFLAGS: 00000206 ORIG_RAX: 0000000000000021
[   19.712756] RAX: ffffffffffffffda RBX: 00007fff65f5f1d8 RCX: 00007f11bf299867
[   19.713347] RDX: 00007fff65f5e9a0 RSI: 0000000040000038 RDI: 0000000000000002
[   19.714053] RBP: 00007fff65f5eba0 R08: 0000000000000000 R09: 0000000000000000
[   19.715010] R10: 0000000000000004 R11: 0000000000000206 R12: 0000000000000000
[   19.715764] R13: 00007fff65f5f1e8 R14: 00007f11bf3da000 R15: 000055f9053e1dd8
[   19.716570]  </TASK>
[   19.717042] ---[ end trace 0000000000000000 ]---

<8>[   22.367406] <LAVA_SIGNAL_STARTTC core_unshare_test>
exit=1<8>[   22.375713] <LAVA_SIGNAL_ENDTC core_unshare_test>
core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail

<8>[   22.319756] <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>[   22.329539] <LAVA_SIGNAL_ENDTC core_unshare_test_global_unshare_EMFILE>
core_unshare_test_global_unshare_EMFILE fail