IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
ip (4558) used greatest stack depth: 54424 bytes left
ip (4589) used greatest stack depth: 54040 bytes left
==================================================================
BUG: KMSAN: uninit-value in __list_add_valid+0x1b8/0x450 lib/list_debug.c:23
CPU: 0 PID: 4656 Comm: ip Not tainted 4.17.0-rc5+ #103
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x149/0x260 mm/kmsan/kmsan.c:1084
 __msan_warning_32+0x6e/0xc0 mm/kmsan/kmsan_instr.c:686
 __list_add_valid+0x1b8/0x450 lib/list_debug.c:23
 __list_add include/linux/list.h:60 [inline]
 list_add include/linux/list.h:79 [inline]
 account_entity_enqueue kernel/sched/fair.c:2652 [inline]
 enqueue_entity kernel/sched/fair.c:4176 [inline]
 enqueue_task_fair+0xe02/0x4470 kernel/sched/fair.c:5359
 enqueue_task kernel/sched/core.c:751 [inline]
 activate_task kernel/sched/core.c:770 [inline]
 ttwu_activate kernel/sched/core.c:1641 [inline]
 ttwu_do_activate kernel/sched/core.c:1700 [inline]
 ttwu_queue kernel/sched/core.c:1845 [inline]
 try_to_wake_up+0x1430/0x20b0 kernel/sched/core.c:2058
 wake_up_process+0x34/0x40 kernel/sched/core.c:2131
 swake_up_locked kernel/sched/swait.c:30 [inline]
 swake_up+0xfb/0x3b0 kernel/sched/swait.c:40
 rcu_gp_kthread_wake kernel/rcu/tree.c:1787 [inline]
 rcu_report_qs_rsp kernel/rcu/tree.c:2366 [inline]
 rcu_report_qs_rnp+0x767/0x880 kernel/rcu/tree.c:2433
 rcu_report_qs_rdp kernel/rcu/tree.c:2516 [inline]
 rcu_check_quiescent_state kernel/rcu/tree.c:2553 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2881 [inline]
 rcu_process_callbacks+0x932/0x2000 kernel/rcu/tree.c:2914
 __do_softirq+0x56d/0x93d kernel/softirq.c:285
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1046
 </IRQ>
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x114/0x140 kernel/softirq.c:182
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0x57/0x70 kernel/locking/spinlock.c:200
 spin_unlock_bh include/linux/spinlock.h:355 [inline]
 igmp6_group_added+0x2f7/0xa00 net/ipv6/mcast.c:664
 ipv6_dev_mc_inc+0xe9e/0x1130 net/ipv6/mcast.c:914
 ipv6_add_dev+0x1d5b/0x1ee0 net/ipv6/addrconf.c:461
 addrconf_notify+0x8f0/0x58f0 net/ipv6/addrconf.c:3406
 notifier_call_chain kernel/notifier.c:93 [inline]
 __raw_notifier_call_chain kernel/notifier.c:394 [inline]
 raw_notifier_call_chain+0x13b/0x250 kernel/notifier.c:401
 call_netdevice_notifiers_info net/core/dev.c:1734 [inline]
 call_netdevice_notifiers net/core/dev.c:1752 [inline]
 register_netdevice+0x211c/0x26c0 net/core/dev.c:7990
 veth_newlink+0x1186/0x1480 drivers/net/veth.c:443
 rtnl_newlink+0x272d/0x37a0 net/core/rtnetlink.c:3034
 rtnetlink_rcv_msg+0xa32/0x1560 net/core/rtnetlink.c:4646
 netlink_rcv_skb+0x378/0x600 net/netlink/af_netlink.c:2448
 rtnetlink_rcv+0x50/0x60 net/core/rtnetlink.c:4664
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x1678/0x1750 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x104f/0x1350 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 ___sys_sendmsg+0xec0/0x1310 net/socket.c:2117
 __sys_sendmsg net/socket.c:2155 [inline]
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x331/0x460 net/socket.c:2162
 do_syscall_64+0x152/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f7495e12320
RSP: 002b:00007ffdd3fde5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffdd3fe26e0 RCX: 00007f7495e12320
RDX: 0000000000000000 RSI: 00007ffdd3fde620 RDI: 0000000000000003
RBP: 00007ffdd3fde620 R08: 0000000000000000 R09: 00007f7495e58070
R10: 0000000000000000 R11: 0000000000000246 R12: 000000005b13ee73
R13: 0000000000000000 R14: 00000000006395c0 R15: 00007ffdd3fe2ec0

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:279 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:294 [inline]
 kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:685
 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:529
 __list_add include/linux/list.h:65 [inline]
 list_add include/linux/list.h:79 [inline]
 list_move include/linux/list.h:171 [inline]
 pick_next_task_fair+0x2464/0x2520 kernel/sched/fair.c:6968
 pick_next_task+0x1b1/0x410 kernel/sched/core.c:3351
 __schedule+0x20b/0x730 kernel/sched/core.c:3481
 do_task_dead+0xc8/0xf0 kernel/sched/core.c:3524
 do_exit+0x340e/0x38d0 kernel/exit.c:924
 do_group_exit+0x1a0/0x360 kernel/exit.c:970
 __do_sys_exit_group+0x21/0x30 kernel/exit.c:981
 __se_sys_exit_group+0x14/0x20 kernel/exit.c:979
 __x64_sys_exit_group+0x4c/0x50 kernel/exit.c:979
 do_syscall_64+0x152/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
Local variable description: ----flags.i.i.i.i@_raw_spin_lock_irqsave
Variable was created at:
 _raw_spin_lock_irqsave+0x45/0xf0 kernel/locking/spinlock.c:150
 do_task_dead+0x40/0xf0 kernel/sched/core.c:3519
==================================================================