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 ==================================================================