Name sequence creation failed, no memory
Failed to create subscription for {1020,0,4294967295}
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 5950 Comm: syz-executor3 Not tainted 4.15.0-rc6-mm1+ #50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51
RSP: 0018:ffff8801c3e4f5c8 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffff8801cf4ffc60 RDI: ffff8801cf4ffc68
RBP: ffff8801c3e4f5e0 R08: ffffffff84b5963f R09: 0000000000000004
R10: ffff8801c3e4f550 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8801d61ee9e8 R14: ffff8801cf4ffc60 R15: ffff8801c5100db8
FS:  0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004d4344 CR3: 0000000005e22006 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_del_entry include/linux/list.h:117 [inline]
 list_del_init include/linux/list.h:159 [inline]
 tipc_nametbl_unsubscribe+0x237/0x6e0 net/tipc/name_table.c:851
 tipc_subscrb_subscrp_delete+0x174/0x380 net/tipc/subscr.c:208
 tipc_subscrb_delete net/tipc/subscr.c:238 [inline]
 tipc_subscrb_release_cb+0x17/0x30 net/tipc/subscr.c:316
 tipc_close_conn+0x171/0x270 net/tipc/server.c:204
 tipc_topsrv_kern_unsubscr+0x190/0x290 net/tipc/server.c:532
 tipc_group_delete+0x215/0x300 net/tipc/group.c:205
 tipc_sk_leave+0x101/0x1c0 net/tipc/socket.c:2778
 tipc_release+0xb8/0xcc0 net/tipc/socket.c:575
 sock_release+0x8d/0x1e0 net/socket.c:593
 sock_close+0x16/0x20 net/socket.c:1121
 __fput+0x291/0x6e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x122/0x1a0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x7f4/0x2da0 kernel/exit.c:869
 do_group_exit+0x108/0x320 kernel/exit.c:972
 get_signal+0x5e9/0x1460 kernel/signal.c:2337
 do_signal+0x7f/0x1980 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x1aa/0x210 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x383/0x430 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x98/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007f850c6b2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: 0000000000000000 RBX: 000000000071bea0 RCX: 0000000000452ac9
RDX: 0000000000000087 RSI: 000000000000010f RDI: 0000000000000014
RBP: 000000000000054e R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020265000 R11: 0000000000000212 R12: 00000000006f5ff0
R13: 0000000000000015 R14: 00007f850c6b36d4 R15: ffffffffffffffff
Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 
RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff8801c3e4f5c8
---[ end trace b4ccd5a97899c32b ]---