IPVS: ftp: loaded support on port[0] = 21
ip (4660) used greatest stack depth: 54352 bytes left
ip (4727) used greatest stack depth: 54344 bytes left
ip (4762) used greatest stack depth: 54056 bytes left
==================================================================
BUG: KMSAN: uninit-value in __list_del_entry_valid+0x23a/0x440 lib/list_debug.c:48
CPU: 0 PID: 4783 Comm: ip Not tainted 4.17.0+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:1125
 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620
 __list_del_entry_valid+0x23a/0x440 lib/list_debug.c:48
 __list_del_entry include/linux/list.h:117 [inline]
 list_del_init include/linux/list.h:159 [inline]
 account_entity_dequeue kernel/sched/fair.c:2667 [inline]
 dequeue_entity kernel/sched/fair.c:4267 [inline]
 dequeue_task_fair+0xad7/0x3300 kernel/sched/fair.c:5407
 dequeue_task kernel/sched/core.c:762 [inline]
 deactivate_task+0x560/0x7d0 kernel/sched/core.c:778
 __schedule+0x164/0x770 kernel/sched/core.c:3474
 schedule kernel/sched/core.c:3568 [inline]
 schedule_preempt_disabled+0x1cc/0x2f0 kernel/sched/core.c:3626
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0xb5e/0x1af0 kernel/locking/mutex.c:893
 __mutex_lock_slowpath+0x2c/0x30 kernel/locking/mutex.c:1154
 mutex_lock+0x62/0x90 kernel/locking/mutex.c:241
 rtnl_lock net/core/rtnetlink.c:74 [inline]
 rtnetlink_rcv_msg+0x8b3/0x1570 net/core/rtnetlink.c:4643
 netlink_rcv_skb+0x37e/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+0x1680/0x1750 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_sendto+0x6c4/0x7e0 net/socket.c:1789
 __do_sys_sendto net/socket.c:1801 [inline]
 __se_sys_sendto net/socket.c:1797 [inline]
 __x64_sys_sendto+0x1a1/0x210 net/socket.c:1797
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdd01347282
RSP: 002b:00007ffef0f208a0 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdd01347282
RDX: 0000000000000020 RSI: 00007ffef0f208e0 RDI: 0000000000000003
RBP: 00007ffef0f22f64 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007ffef0f21060 R14: 00007ffef0f21068 R15: 0000000000000000

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:282 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:297 [inline]
 kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:689
 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:464
 __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+0x2474/0x2530 kernel/sched/fair.c:6968
 pick_next_task+0x1ba/0x420 kernel/sched/core.c:3368
 __schedule+0x20f/0x770 kernel/sched/core.c:3498
 do_task_dead+0xc8/0xf0 kernel/sched/core.c:3541
 do_exit+0x347e/0x3930 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+0x15b/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:3536
==================================================================