IPVS: ftp: loaded support on port[0] = 21 ip (4532) used greatest stack depth: 54424 bytes left ip (4547) used greatest stack depth: 54152 bytes left ip (4618) used greatest stack depth: 54056 bytes left ================================================================== BUG: KMSAN: uninit-value in __list_add_valid+0x1b8/0x450 lib/list_debug.c:23 CPU: 1 PID: 4617 Comm: ip Not tainted 4.17.0+ #4 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:1091 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620 __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+0xe12/0x4490 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:1658 [inline] ttwu_do_activate kernel/sched/core.c:1717 [inline] ttwu_queue kernel/sched/core.c:1862 [inline] try_to_wake_up+0x162f/0x2260 kernel/sched/core.c:2075 wake_up_process+0x34/0x40 kernel/sched/core.c:2148 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+0x90a/0x2060 kernel/rcu/tree.c:2914 __do_softirq+0x592/0x979 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x202/0x240 kernel/softirq.c:405 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:525 smp_apic_timer_interrupt+0x64/0x90 arch/x86/kernel/apic/apic.c:1055 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:78 [inline] RIP: 0010:__msan_chain_origin+0x82/0xc0 mm/kmsan/kmsan_instr.c:465 RSP: 0018:ffff880196c8eb40 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000090c000a9 RBX: ffff880198ab8000 RCX: ffff880196c8e8a0 RDX: 0000000000000003 RSI: 0000000000000003 RDI: 00000000e30e3625 RBP: ffff880196c8eb70 R08: 0000000001080020 R09: 0000000000000003 R10: 0000000000000002 R11: 00000000874000a9 R12: 0000000000000202 R13: ffff8801b7a4e200 R14: 000000008ee000a9 R15: 0000000090c000a9 __skb_clone+0x7b3/0x990 net/core/skbuff.c:861 skb_clone+0x3e8/0x590 net/core/skbuff.c:1290 do_one_broadcast net/netlink/af_netlink.c:1435 [inline] netlink_broadcast_filtered+0xcde/0x1e10 net/netlink/af_netlink.c:1510 kobject_uevent_net_broadcast lib/kobject_uevent.c:335 [inline] kobject_uevent_env+0x18e6/0x22a0 lib/kobject_uevent.c:519 kobject_uevent+0x6f/0x80 lib/kobject_uevent.c:568 netdev_queue_add_kobject net/core/net-sysfs.c:1345 [inline] netdev_queue_update_kobjects+0x2aa/0x750 net/core/net-sysfs.c:1360 register_queue_kobjects net/core/net-sysfs.c:1402 [inline] netdev_register_kobject+0x5d5/0x6d0 net/core/net-sysfs.c:1608 register_netdevice+0x18ea/0x2720 net/core/dev.c:7961 team_newlink+0x168/0x1d0 drivers/net/team/team.c:2131 rtnl_newlink+0x2721/0x37a0 net/core/rtnetlink.c:3034 rtnetlink_rcv_msg+0xa44/0x1570 net/core/rtnetlink.c:4646 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_sendmsg+0xec8/0x1320 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+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fae95b1d320 RSP: 002b:00007ffeb7675238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffeb7679330 RCX: 00007fae95b1d320 RDX: 0000000000000000 RSI: 00007ffeb7675270 RDI: 0000000000000003 RBP: 00007ffeb7675270 R08: 0000000000000000 R09: 00007fae95dcc0b0 R10: 0000000000000000 R11: 0000000000000246 R12: 000000005b1ab426 R13: 0000000000000000 R14: 00000000006395c0 R15: 00007ffeb7679b10 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: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: ----tlb.i@ldt_arch_exit_mmap Variable was created at: ldt_arch_exit_mmap+0x46/0x160 arch/x86/kernel/ldt.c:302 arch_exit_mmap arch/x86/include/asm/mmu_context.h:245 [inline] exit_mmap+0x410/0x980 mm/mmap.c:3094 ==================================================================