IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 ip (4492) used greatest stack depth: 54552 bytes left ip (4530) used greatest stack depth: 54072 bytes left ================================================================== BUG: KMSAN: uninit-value in __list_del_entry_valid+0x23a/0x440 lib/list_debug.c:48 CPU: 1 PID: 14 Comm: migration/1 Not tainted 4.17.0-rc5+ #101 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+0x149/0x260 mm/kmsan/kmsan.c:1084 __msan_warning_32+0x6e/0xc0 mm/kmsan/kmsan_instr.c:686 __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+0xad7/0x32f0 kernel/sched/fair.c:5407 dequeue_task kernel/sched/core.c:762 [inline] move_queued_task+0x2e2/0xd50 kernel/sched/core.c:911 __migrate_task kernel/sched/core.c:956 [inline] migration_cpu_stop+0x4d0/0x6d0 kernel/sched/core.c:994 cpu_stopper_thread+0x377/0x7a0 kernel/stop_machine.c:489 smpboot_thread_fn+0x488/0x970 kernel/smpboot.c:164 kthread+0x4e3/0x6d0 kernel/kthread.c:241 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:412 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+0xcc/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+0x154/0x220 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 ==================================================================