------------[ cut here ]------------
[   30.333949] WARNING: CPU: 0 PID: 481 at mm/util.c:670 __kvmalloc_node_noprof+0xe8/0xf0
[   30.338346] Modules linked in:
[   30.342197] CPU: 0 UID: 0 PID: 481 Comm: unshare_test Not tainted 6.12.16-rc2 #1
[   30.344300] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.347254] EIP: __kvmalloc_node_noprof+0xe8/0xf0
[   30.348687] Code: 75 f8 8b 7d fc 89 ec 5d c3 2e 8d 74 26 00 89 f2 81 ca 00 20 00 00 e9 6d ff ff ff 8d 76 00 81 e6 00 20 00 00 0f 85 39 ff ff ff <0f> 0b e9 32 ff ff ff 90 55 89 e5 83 ec 0c 89 5d f4 89 d3 89 ca 89
[   30.350247] EAX: 00000000 EBX: 80001000 ECX: 00000013 EDX: ffffffff
[   30.350694] ESI: 00000000 EDI: ffffffff EBP: c221dee4 ESP: c221dec0
[   30.351087] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246
[   30.351402] CR0: 80050033 CR2: b7df5f70 CR3: 022e0000 CR4: 000006d0
[   30.354418] Call Trace:
[   30.356540]  ? show_regs+0x4d/0x54
[   30.356861]  ? __kvmalloc_node_noprof+0xe8/0xf0
[   30.357153]  ? __warn+0x89/0x158
[   30.357943]  ? __kvmalloc_node_noprof+0xe8/0xf0
[   30.358310]  ? __kvmalloc_node_noprof+0xe8/0xf0
[   30.358752]  ? report_bug+0x186/0x1b0
[   30.359106]  ? __kvmalloc_node_noprof+0xe9/0xf0
[   30.359328]  ? exc_overflow+0x50/0x50
[   30.359852]  ? handle_bug+0x56/0x90
[   30.360160]  ? exc_invalid_op+0x1b/0x70
[   30.360526]  ? handle_exception+0x14b/0x14b
[   30.361090]  ? exc_overflow+0x50/0x50
[   30.361929]  ? __kvmalloc_node_noprof+0xe8/0xf0
[   30.363304]  ? exc_overflow+0x50/0x50
[   30.363813]  ? __kvmalloc_node_noprof+0xe8/0xf0
[   30.364922]  ? alloc_fdtable+0x42/0xdc
[   30.365137]  alloc_fdtable+0x67/0xdc
[   30.365533]  expand_files+0x55/0x814
[   30.365971]  ksys_dup3+0x58/0xf0
[   30.366280]  __ia32_sys_dup2+0x21/0xc8
[   30.367392]  ? do_user_addr_fault+0x1b2/0x3c4
[   30.367967]  ia32_sys_call+0x20ec/0x2818
[   30.368432]  __do_fast_syscall_32+0x4c/0xbc
[   30.369250]  do_fast_syscall_32+0x2b/0x60
[   30.369624]  do_SYSENTER_32+0x15/0x18
[   30.369922]  entry_SYSENTER_32+0xa6/0x115
[   30.370397] EIP: 0xb7f35579
[   30.371074] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
[   30.373897] EAX: ffffffda EBX: 00000002 ECX: 2000003c EDX: b7f1ae14
[   30.374132] ESI: 004545cc EDI: bfbaabc0 EBP: bfbaad48 ESP: bfbaab28
[   30.374344] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296
[   30.375073] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail