------------[ cut here ]------------
[   48.308815] WARNING: CPU: 1 PID: 497 at mm/util.c:630 kvmalloc_node+0x90/0xa0
[   48.311240] Modules linked in:
[   48.311774] CPU: 1 PID: 497 Comm: unshare_test Not tainted 5.15.177-rc1 #1
[   48.312964] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   48.314119] RIP: 0010:kvmalloc_node+0x90/0xa0
[   48.315472] Code: 89 ff 89 da 44 89 f1 e8 6e 42 03 00 eb 05 e8 47 cf 05 00 5b 41 5e 41 5f 5d c3 cc cc cc cc f7 c3 00 20 00 00 74 04 31 c0 eb e9 <0f> 0b 31 c0 eb e3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ff 11 72 2f
[   48.317444] RSP: 0018:ffff94cc0069bdd0 EFLAGS: 00010246
[   48.317965] RAX: 0000000000000004 RBX: 0000000000400cc0 RCX: 0000000400000000
[   48.318688] RDX: 0000000200002000 RSI: 0000000000000000 RDI: ffffffffb27ea065
[   48.319197] RBP: ffff94cc0069bde8 R08: 0000000000412cc0 R09: 00000000ffffffff
[   48.319963] R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000040000400
[   48.320530] R13: 0000000040000038 R14: 00000000ffffffff R15: 0000000200002000
[   48.321336] FS:  00007f5606b1f740(0000) GS:ffff8b043bd00000(0000) knlGS:0000000000000000
[   48.321930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.322346] CR2: 00007f5606cc3680 CR3: 0000000101b0e000 CR4: 00000000000006e0
[   48.322770] Call Trace:
[   48.323940]  <TASK>
[   48.324602]  ? show_regs+0x58/0x60
[   48.325032]  ? __warn+0xc4/0x1a0
[   48.325333]  ? kvmalloc_node+0x90/0xa0
[   48.325701]  ? report_bug+0xec/0x160
[   48.326152]  ? handle_bug+0x3e/0x70
[   48.326477]  ? exc_invalid_op+0x1b/0x50
[   48.327117]  ? asm_exc_invalid_op+0x1b/0x20
[   48.327628]  ? kvmalloc_node+0x45/0xa0
[   48.328366]  ? kvmalloc_node+0x90/0xa0
[   48.330170]  alloc_fdtable+0x7a/0x120
[   48.331548]  expand_files+0x118/0x310
[   48.332105]  ? __se_sys_prlimit64+0x1e3/0x2a0
[   48.333057]  __se_sys_dup2+0x60/0x100
[   48.333209]  __x64_sys_dup2+0x11/0x20
[   48.333362]  x64_sys_call+0x268a/0x2b60
[   48.333500]  do_syscall_64+0x4c/0xa0
[   48.333631]  ? exc_page_fault+0x59/0xa0
[   48.333768]  entry_SYSCALL_64_after_hwframe+0x6c/0xd6
[   48.334115] RIP: 0033:0x7f5606c17c17
[   48.334624] Code: 73 01 c3 48 8b 0d 09 62 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 d9 61 0e 00 f7 d8 64 89 02 b8
[   48.335173] RSP: 002b:00007fff2c86c158 EFLAGS: 00000202 ORIG_RAX: 0000000000000021
[   48.338738] RAX: ffffffffffffffda RBX: 00007fff2c86c9b8 RCX: 00007f5606c17c17
[   48.339040] RDX: 00007fff2c86c2d8 RSI: 0000000040000038 RDI: 0000000000000002
[   48.339901] RBP: 00007fff2c86c370 R08: 0000000000000064 R09: 0000000000000000
[   48.340920] R10: 00007f5606b34170 R11: 0000000000000202 R12: 0000000000000000
[   48.341327] R13: 00007fff2c86c9c8 R14: 00007f5606d4d000 R15: 000056483b293cf8
[   48.342466]  </TASK>
[   48.342784] ---[ end trace 544bdb3b98f7b277 ]---

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