IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
ip (4550) used greatest stack depth: 54536 bytes left
==================================================================
BUG: KMSAN: uninit-value in __list_add_valid+0x1b8/0x450 lib/list_debug.c:23
CPU: 1 PID: 4626 Comm: ip Not tainted 4.17.0+ #5
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+0x188/0x2a0 mm/kmsan/kmsan.c:1117
 __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
 process_timeout+0x59/0x70 kernel/time/timer.c:1730
 call_timer_fn+0x280/0x5d0 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0xd96/0x11b0 kernel/time/timer.c:1666
 run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692
 __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
 </IRQ>
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:kmsan_kmalloc+0xc6/0x100 mm/kmsan/kmsan.c:317
RSP: 0018:ffff88019ec4fc60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000246 RBX: ffff8801d86adc00 RCX: 000000000000002b
RDX: 000000000000002a RSI: ffffea000b128128 RDI: ffff8801d86adc00
RBP: ffff88019ec4fca0 R08: 00000000010000c0 R09: 0000000000000003
R10: 0000000000000002 R11: ffffffff81c9aa40 R12: ffff88021f00dc80
R13: ffff8801a7979d40 R14: 00000000000000a8 R15: 00000000014000c0
 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan.c:322
 slab_post_alloc_hook mm/slab.h:446 [inline]
 slab_alloc_node mm/slub.c:2753 [inline]
 slab_alloc mm/slub.c:2761 [inline]
 kmem_cache_alloc+0x68c/0xb70 mm/slub.c:2766
 prepare_creds+0x65/0x5e0 kernel/cred.c:252
 do_faccessat+0xed/0xbc0 fs/open.c:370
 __do_sys_access fs/open.c:441 [inline]
 __se_sys_access fs/open.c:439 [inline]
 __x64_sys_access+0x9c/0xd0 fs/open.c:439
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8f03a1a267
RSP: 002b:00007ffceff87f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000004032f9 RCX: 00007f8f03a1a267
RDX: 000000000000001d RSI: 0000000000000000 RDI: 00007f8f03a1e2e6
RBP: 00007f8f03c1d000 R08: 00007f8f03c25570 R09: 0000000000000000
R10: 000000006ffffeff R11: 0000000000000246 R12: 00007f8f03c251c8
R13: 00007f8f03c1d718 R14: 00000000000033ef R15: 00007f8f03c25570

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