R13: 00000000000005ee R14: 00000000006faef0 R15: 0000000000000005 Name sequence creation failed, no memory Failed to create subscription for {24576,0,4294967295} 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: 1 PID: 5998 Comm: syz-executor7 Not tainted 4.16.0-rc7+ #374 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:ffff8801bb6a6ae8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c6e66460 RDI: ffff8801c6e66468 RBP: ffff8801bb6a6b00 R08: 1ffff100376d4ca1 R09: 0000000000000004 R10: ffff8801bb6a69c8 R11: 0000000000000002 R12: 0000000000000000 R13: ffff8801bb6a6ca0 R14: ffff8801c6e66460 R15: ffff8801c386ba80 FS: 00007ff6ce275700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c42d1cb010 CR3: 000000000846a004 CR4: 00000000001606e0 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+0x318/0x990 net/tipc/name_table.c:848 tipc_subscrb_subscrp_delete+0x1e9/0x460 net/tipc/subscr.c:212 tipc_subscrb_delete net/tipc/subscr.c:242 [inline] tipc_subscrb_release_cb+0x17/0x30 net/tipc/subscr.c:321 tipc_topsrv_kern_unsubscr+0x2c3/0x430 net/tipc/server.c:535 tipc_group_delete+0x2c0/0x3d0 net/tipc/group.c:231 tipc_sk_leave+0x10b/0x200 net/tipc/socket.c:2795 tipc_release+0x154/0xff0 net/tipc/socket.c:577 sock_release+0x8d/0x1e0 net/socket.c:595 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 get_signal+0x73a/0x16d0 kernel/signal.c:2469 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455269 RSP: 002b:00007ff6ce274c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007ff6ce2756d4 RCX: 0000000000455269 RDX: 0000000000000071 RSI: 0000000000000001 RDI: 000000000072becc RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000036 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004e0 R14: 00000000006f95a0 R15: 0000000000000000 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: ffff8801bb6a6ae8 ---[ end trace 2460e99e567a90af ]---