IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
==================================================================
BUG: KMSAN: uninit-value in __list_del_entry_valid+0x23a/0x440 lib/list_debug.c:48
CPU: 1 PID: 4516 Comm: syz-executor3 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:683
 __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:2682 [inline]
 dequeue_entity kernel/sched/fair.c:4127 [inline]
 dequeue_task_fair+0xac0/0x2ea0 kernel/sched/fair.c:5266
 dequeue_task kernel/sched/core.c:785 [inline]
 deactivate_task+0x50d/0x780 kernel/sched/core.c:801
 __schedule+0x164/0x730 kernel/sched/core.c:3396
 schedule+0x1cc/0x2f0 kernel/sched/core.c:3505
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x2c3/0x9b0 kernel/time/hrtimer.c:1640
 hrtimer_nanosleep kernel/time/hrtimer.c:1694 [inline]
 SYSC_nanosleep+0x420/0x6a0 kernel/time/hrtimer.c:1726
 SyS_nanosleep+0x46/0x70 kernel/time/hrtimer.c:1713
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x481080
RSP: 002b:00007ffed6b67b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000000003c RCX: 0000000000481080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffed6b67b30
RBP: 000000000000c551 R08: 0000000000000001 R09: 00000000024dd940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000004 R14: 000000000000007a R15: 000000000000c50d

Uninit was stored to memory at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline]
 kmsan_save_stack mm/kmsan/kmsan.c:293 [inline]
 kmsan_internal_chain_origin+0x12b/0x210 mm/kmsan/kmsan.c:684
 __msan_chain_origin+0x69/0xc0 mm/kmsan/kmsan_instr.c:528
 __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+0x1eb2/0x1f70 kernel/sched/fair.c:6748
 pick_next_task+0x1b4/0x410 kernel/sched/core.c:3290
 __schedule+0x211/0x730 kernel/sched/core.c:3420
 preempt_schedule_common kernel/sched/core.c:3585 [inline]
 _cond_resched+0x5e/0xd0 kernel/sched/core.c:4932
 zap_pmd_range mm/memory.c:1443 [inline]
 zap_pud_range mm/memory.c:1470 [inline]
 zap_p4d_range mm/memory.c:1491 [inline]
 unmap_page_range+0x35e0/0x3be0 mm/memory.c:1512
 unmap_single_vma+0x45b/0x5f0 mm/memory.c:1557
 unmap_vmas+0x1f4/0x360 mm/memory.c:1587
 exit_mmap+0x3da/0x950 mm/mmap.c:3020
 __mmput+0x16c/0x610 kernel/fork.c:961
 mmput+0xab/0xf0 kernel/fork.c:982
 exit_mm+0x6ed/0x7a0 kernel/exit.c:545
 do_exit+0xc01/0x38d0 kernel/exit.c:854
 do_group_exit+0x1a0/0x360 kernel/exit.c:970
 SYSC_exit_group+0x21/0x30 kernel/exit.c:981
 SyS_exit_group+0x25/0x30 kernel/exit.c:979
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Local variable description: ----flags.i.i.i.i.i.i.i@kmem_cache_free
Variable was created at:
 kmem_cache_free+0xec/0x2bc0 mm/slub.c:3006
 free_fs_struct fs/fs_struct.c:91 [inline]
 exit_fs+0x2b1/0x2c0 fs/fs_struct.c:107
==================================================================