R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
Name sequence creation failed, no memory
Failed to create subscription for {1020,0,4294967295}
list_del corruption. prev->next should be 00000000fe4ad99f, but was           (null)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4448 Comm: syzkaller751251 Not tainted 4.16.0-rc6+ #284
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_del_entry_valid+0xef/0x150 lib/list_debug.c:51
RSP: 0018:ffff8801b0016ec8 EFLAGS: 00010282
RAX: 0000000000000054 RBX: ffffffff886edfe0 RCX: 0000000000000000
RDX: 0000000000000054 RSI: 1ffff10036002d8e RDI: ffffed0036002dcd
RBP: ffff8801b0016ee0 R08: 1ffff10036002d25 R09: 0000000000000000
R10: ffff8801b0016da8 R11: 0000000000000000 R12: ffffffffffffffff
R13: ffff8801b0017080 R14: ffff8801ca5d81d8 R15: ffff8801d3fd0b40
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020265000 CR3: 0000000007a22004 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+0x337/0x990 net/tipc/name_table.c:808
 tipc_sub_unsubscribe+0x6d/0x2e0 net/tipc/subscr.c:164
 tipc_conn_delete_sub+0x324/0x4a0 net/tipc/topsrv.c:245
 tipc_topsrv_kern_unsubscr+0x21d/0x350 net/tipc/topsrv.c:598
 tipc_group_delete+0x2c0/0x3d0 net/tipc/group.c:231
 tipc_sk_leave+0x10b/0x200 net/tipc/socket.c:2800
 tipc_release+0x154/0xff0 net/tipc/socket.c:576
 sock_release+0x8d/0x1e0 net/socket.c:594
 sock_close+0x16/0x20 net/socket.c:1149
 __fput+0x327/0x7e0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 SYSC_exit_group kernel/exit.c:979 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:977
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43f0d8
RSP: 002b:00007ffc0537c0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f0d8
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bf1c8 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000020265000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000
Code: 4c 89 e2 48 c7 c7 40 8e e5 86 e8 a5 67 a7 fe 0f 0b 48 c7 c7 a0 8e e5 86 e8 97 67 a7 fe 0f 0b 48 c7 c7 00 8f e5 86 e8 89 67 a7 fe <0f> 0b 48 c7 c7 60 8f e5 86 e8 7b 67 a7 fe 0f 0b 48 89 df 48 89 
RIP: __list_del_entry_valid+0xef/0x150 lib/list_debug.c:51 RSP: ffff8801b0016ec8
---[ end trace b069d07f6d18df08 ]---