------------[ cut here ]------------
[   26.889838] WARNING: CPU: 1 PID: 483 at mm/util.c:657 __kvmalloc_node_noprof+0xd1/0xe0
[   26.892288] Modules linked in:
[   26.893235] CPU: 1 UID: 0 PID: 483 Comm: unshare_test Not tainted 6.13.6-rc2 #1
[   26.894013] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.895888] EIP: __kvmalloc_node_noprof+0xd1/0xe0
[   26.896507] Code: 00 00 ff 75 04 ff 75 ec 68 00 04 00 00 ff 75 f0 56 57 e8 12 e1 02 00 83 c4 18 83 c4 08 5e 5f 5b 5d c3 f7 c6 00 20 00 00 75 f0 <0f> 0b eb ec 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 53 57 56 50
[   26.898504] EAX: 00000000 EBX: 80000f80 ECX: de5e632d EDX: 00000000
[   26.898799] ESI: 00400cc0 EDI: ffffffff EBP: c206bebc ESP: c206bea8
[   26.899039] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246
[   26.899628] CR0: 80050033 CR2: b7df21b0 CR3: 028bd000 CR4: 000006d0
[   26.900832] Call Trace:
[   26.902439]  ? show_regs+0x51/0x60
[   26.903245]  ? __kvmalloc_node_noprof+0xd1/0xe0
[   26.904256]  ? __warn+0xaa/0x190
[   26.904663]  ? __kvmalloc_node_noprof+0xd1/0xe0
[   26.905268]  ? __kvmalloc_node_noprof+0xd1/0xe0
[   26.905817]  ? report_bug+0x10e/0x1a0
[   26.906146]  ? exc_overflow+0x38/0x38
[   26.906771]  ? handle_bug+0x48/0x68
[   26.906989]  ? exc_invalid_op+0x17/0x3c
[   26.907642]  ? handle_exception+0x14b/0x14b
[   26.908057]  ? __kvmalloc_node_noprof+0x3d/0xe0
[   26.908271]  ? exc_overflow+0x38/0x38
[   26.908744]  ? __kvmalloc_node_noprof+0xd1/0xe0
[   26.909292]  ? exc_overflow+0x38/0x38
[   26.910073]  ? __kvmalloc_node_noprof+0xd1/0xe0
[   26.911065]  alloc_fdtable+0x74/0x100
[   26.911574]  expand_files+0xf0/0x280
[   26.911916]  ? __ia32_sys_prlimit64+0x20e/0x2c0
[   26.912318]  ksys_dup3+0x57/0xa0
[   26.912703]  __ia32_sys_dup2+0x16/0x60
[   26.912956]  ia32_sys_call+0x779/0x29c0
[   26.913259]  __do_fast_syscall_32+0x74/0xb4
[   26.914759]  ? do_user_addr_fault+0x1aa/0x3c0
[   26.914969]  ? switch_fpu_return+0x8/0x10
[   26.915200]  ? arch_exit_to_user_mode_prepare+0x13/0x50
[   26.915396]  ? irqentry_exit_to_user_mode+0x73/0x84
[   26.915567]  do_fast_syscall_32+0x29/0x54
[   26.915719]  do_SYSENTER_32+0x12/0x14
[   26.915850]  entry_SYSENTER_32+0xa6/0x115
[   26.916147] EIP: 0xb7f9a539
[   26.916723] Code: 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 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 58 b8 77 00 00 00 cd 80 90 90 90
[   26.920523] EAX: ffffffda EBX: 00000002 ECX: 2000003c EDX: b7f7fe14
[   26.920723] ESI: 004e0124 EDI: bfb4dd40 EBP: bfb4dd58 ESP: bfb4dad8
[   26.920913] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296
[   26.921307] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail