dlm: closing connection to node 1
------------[ cut here ]------------
!con
WARNING: fs/dlm/lowcomms.c:1455 at dlm_lowcomms_close+0x3d/0x21b fs/dlm/lowcomms.c:1455, CPU#2: syz.0.1649/12486
Modules linked in:

CPU: 2 UID: 0 PID: 12486 Comm: syz.0.1649 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:dlm_lowcomms_close+0x3d/0x21b fs/dlm/lowcomms.c:1455
Code: 89 ee 48 c7 c7 00 d5 eb 8b e8 1f 65 fc ff e8 da f8 ff ff 31 f6 89 ef 41 89 c4 e8 de 7f 9f 01 48 85 c0 75 1b e8 04 ea e3 00 90 <0f> 0b 90 44 89 e7 bb fe ff ff ff e8 43 f8 ff ff e9 b5 01 00 00 48
RSP: 0000:ffffc90007f47bc0 EFLAGS: 00010283
RAX: 000000000000114a RBX: 0000000000000000 RCX: ffffc9000c001000
RDX: 0000000000080000 RSI: ffffffff8125e59c RDI: ffff88804a438000
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000001f R12: 0000000000000001
R13: 0000000000000001 R14: ffffed10042b9ab0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888096df3000(0063) knlGS:00000000f5456b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080001100 CR3: 0000000070ed3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dlm_midcomms_close+0x312/0x590 fs/dlm/midcomms.c:1443
 drop_comm+0x62/0x1a0 fs/dlm/config.c:556
 client_drop_item+0xa6/0x100 fs/configfs/dir.c:970
 configfs_rmdir+0x5d3/0x950 fs/configfs/dir.c:1567
 vfs_rmdir fs/namei.c:5381 [inline]
 vfs_rmdir+0x328/0x8a0 fs/namei.c:5354
 filename_rmdir+0x31a/0x5c0 fs/namei.c:5438
 __do_sys_rmdir fs/namei.c:5461 [inline]
 __se_sys_rmdir fs/namei.c:5458 [inline]
 __ia32_sys_rmdir+0x45/0x60 fs/namei.c:5458
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f97fec
Code: Unable to access opcode bytes at 0xf7f97fc2.
RSP: 002b:00000000f545650c EFLAGS: 00000292 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00000000800001c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>