==================================================================
BUG: KMSAN: uninit-value in lock_timer_base kernel/time/timer.c:939 [inline]
BUG: KMSAN: uninit-value in __mod_timer+0x42d/0x2bf0 kernel/time/timer.c:1010
CPU: 0 PID: 6863 Comm: modprobe Not tainted 4.17.0+ #9
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:1125
 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620
 lock_timer_base kernel/time/timer.c:939 [inline]
 __mod_timer+0x42d/0x2bf0 kernel/time/timer.c:1010
 mod_timer+0x70/0x80 kernel/time/timer.c:1102
 can_stat_update+0x15ec/0x1860 net/can/proc.c:179
 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:866
 </IRQ>
RIP: 0010:kmsan_get_shadow_address_inline+0x118/0x290 mm/kmsan/kmsan_instr.c:184
IPVS: ftp: loaded support on port[0] = 21
RSP: 0000:ffff880138d9f300 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: ffff8801b951f7b8 RBX: ffff880138d9f7b8 RCX: 000000000052bf5d
RDX: ffffea0000000000 RSI: 0000000000000000 RDI: ffff880138d9f7b8
RBP: ffff880138d9f320 R08: 0000000001080020 R09: 0000000000000002
R10: 00000000014280ca R11: 0000000000000000 R12: ffff880138d9f7b8
R13: 00000000000007b8 R14: 0000000000000001 R15: ffff8801b951f7b8
 __msan_poison_alloca+0xa7/0x1d0 mm/kmsan/kmsan_instr.c:568
 get_page_from_freelist+0xf2/0xb740 mm/page_alloc.c:3262
 __alloc_pages_nodemask+0x792/0x5cc0 mm/page_alloc.c:4371
 alloc_pages_vma+0xcc6/0x17f0 mm/mempolicy.c:2057
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:187 [inline]
 do_anonymous_page mm/memory.c:3157 [inline]
 handle_pte_fault mm/memory.c:3963 [inline]
 __handle_mm_fault mm/memory.c:4089 [inline]
 handle_mm_fault+0x41ec/0x7ed0 mm/memory.c:4126
 __do_page_fault+0xec6/0x1a10 arch/x86/mm/fault.c:1400
 do_page_fault+0xb7/0x250 arch/x86/mm/fault.c:1477
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1163
RIP: 0033:0x7f1410769881
RSP: 002b:00007ffc5f9a6d10 EFLAGS: 00010202
RAX: 00007ffc5f9bf344 RBX: 0000000000000006 RCX: 0000000000000030
RDX: 00007f1410972000 RSI: 0000000000000014 RDI: 00007ffc5f9bf2b0
RBP: 00007ffc5f9a6dd0 R08: 0000000003ae75f6 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f141097b758 R14: 0000000000000003 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
 timer_set_idx kernel/time/timer.c:480 [inline]
 enqueue_timer kernel/time/timer.c:539 [inline]
 __internal_add_timer kernel/time/timer.c:548 [inline]
 internal_add_timer kernel/time/timer.c:590 [inline]
 __mod_timer+0x22a1/0x2bf0 kernel/time/timer.c:1055
 mod_timer+0x70/0x80 kernel/time/timer.c:1102
 can_stat_update+0x15ec/0x1860 net/can/proc.c:179
 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

Local variable description: ----heads@__run_timers
Variable was created at:
 __run_timers+0x84/0x11b0 kernel/time/timer.c:1651
 run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692
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