------------[ cut here ]------------
[   52.187976] WARNING: CPU: 1 PID: 481 at mm/util.c:632 kvmalloc_node+0xde/0xf0
[   52.189706] Modules linked in:
[   52.191203] CPU: 1 PID: 481 Comm: unshare_test Not tainted 6.6.83-rc2 #1
[   52.191857] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   52.193441] RIP: 0010:kvmalloc_node+0xde/0xf0
[   52.193749] Code: 45 89 f0 ff 75 08 53 68 00 04 00 00 e8 0b 04 04 00 48 83 c4 18 5b 41 5e 41 5f 5d c3 cc cc cc cc cc 41 f7 c6 00 20 00 00 75 81 <0f> 0b 31 c0 eb e5 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90
[   52.194398] RSP: 0018:ffffb49ac0613db0 EFLAGS: 00010246
[   52.194658] RAX: 0000000000000004 RBX: 00000000ffffffff RCX: 0000000400000000
[   52.196440] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffff8923fd78
[   52.196691] RBP: ffffb49ac0613dc8 R08: 0000000000412cc0 R09: 00000000ffffffff
[   52.197230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000040000400
[   52.197892] R13: 0000000040000038 R14: 0000000000400cc0 R15: 0000000200002000
[   52.198291] FS:  00007fb009dbd740(0000) GS:ffff979d7bd00000(0000) knlGS:0000000000000000
[   52.198656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.199226] CR2: 00007fb009e0ec10 CR3: 000000010204c000 CR4: 00000000000006e0
[   52.200527] Call Trace:
[   52.202464]  <TASK>
[   52.203604]  ? show_regs+0x64/0x70
[   52.204287]  ? __warn+0xc9/0x1d0
[   52.204718]  ? kvmalloc_node+0xde/0xf0
[   52.205162]  ? report_bug+0x152/0x200
[   52.205586]  ? handle_bug+0x68/0x90
[   52.206079]  ? exc_invalid_op+0x1f/0x50
[   52.206428]  ? asm_exc_invalid_op+0x1f/0x30
[   52.206810]  ? kvmalloc_node+0x48/0xf0
[   52.207137]  ? kvmalloc_node+0xde/0xf0
[   52.207574]  alloc_fdtable+0x7a/0x120
[   52.208163]  expand_files+0x11a/0x310
[   52.208368]  ? do_prlimit+0x120/0x160
[   52.209002]  ksys_dup3+0x75/0xe0
[   52.209147]  __x64_sys_dup2+0x25/0x90
[   52.209289]  x64_sys_call+0x256b/0x2d20
[   52.209595]  do_syscall_64+0x55/0xb0
[   52.209736]  ? exc_page_fault+0x65/0xc0
[   52.211086]  entry_SYSCALL_64_after_hwframe+0x78/0xe2
[   52.211632] RIP: 0033:0x7fb009ebeca7
[   52.213450] Code: 73 01 c3 48 8b 0d 79 81 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 49 81 0e 00 f7 d8 64 89 02 b8
[   52.215350] RSP: 002b:00007ffe08749b68 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   52.216435] RAX: ffffffffffffffda RBX: 00007ffe0874a3c8 RCX: 00007fb009ebeca7
[   52.217063] RDX: 00007ffe08749ce8 RSI: 0000000040000038 RDI: 0000000000000002
[   52.218112] RBP: 00007ffe08749d80 R08: 0000000000000064 R09: 00000000fffffff6
[   52.218480] R10: 0000000000000004 R11: 0000000000000202 R12: 0000000000000000
[   52.219709] R13: 00007ffe0874a3d8 R14: 00007fb009ff6000 R15: 000055a864e87cf8
[   52.220998]  </TASK>
[   52.221988] ---[ end trace 0000000000000000 ]---

core_unshare_test_global_unshare_EMFILE fail

core_close_range_test_global_core_close_range pass
core_close_range_test_global_close_range_unshare pass
core_close_range_test_global_close_range_unshare_capped pass
core_close_range_test_global_close_range_cloexec pass
core_close_range_test_global_close_range_cloexec_unshare pass
core_close_range_test_global_close_range_cloexec_syzbot pass
core_close_range_test_global_close_range_cloexec_unshare_syzbot pass
core_close_range_test_global_close_range_bitmap_corruption pass
core_close_range_test_global_fcntl_created fail
core_close_range_test fail

core_close_range_test_global_fcntl_created fail

core_unshare_test_global_unshare_EMFILE fail
core_unshare_test fail