device team_slave_1 entered promiscuous mode
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
==================================================================
BUG: KMSAN: uninit-value in flush_tlb_func_remote+0xed/0xf0 arch/x86/mm/tlb.c:553
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.16.0+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 flush_tlb_func_remote+0xed/0xf0 arch/x86/mm/tlb.c:553
 flush_smp_call_function_queue+0x2db/0x5f0 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x1f/0x30 kernel/smp.c:192
 smp_call_function_single_interrupt+0x22f/0x3d0 arch/x86/kernel/smp.c:295
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:879
 </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_free_page+0x1de/0x2e0 mm/kmsan/kmsan.c:944
RSP: 0018:ffff8801d96bfb30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000246 RBX: ffffea0007fc3200 RCX: 0000000000006800
RDX: ffffffff8b313000 RSI: 0000000000000001 RDI: ffff88021fffade0
RBP: ffff8801d96bfb78 R08: 0000000000153c00 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000010
R13: ffff8801d9633b00 R14: 0000000000000004 R15: ffffea0007f6aa00
 free_pages_prepare mm/page_alloc.c:1035 [inline]
 __free_pages_ok+0x270/0x16b0 mm/page_alloc.c:1270
 __free_pages+0x109/0x240 mm/page_alloc.c:4323
 free_thread_stack kernel/fork.c:268 [inline]
 release_task_stack kernel/fork.c:355 [inline]
 put_task_stack+0x233/0x2f0 kernel/fork.c:366
 finish_task_switch+0x167/0x230 kernel/sched/core.c:2750
 context_switch kernel/sched/core.c:2869 [inline]
 __schedule+0x68e/0x730 kernel/sched/core.c:3446
 schedule_idle+0x6b/0xd0 kernel/sched/core.c:3532
 do_idle+0x762/0x790 kernel/sched/idle.c:269
 cpu_startup_entry+0x45/0x50 kernel/sched/idle.c:351
 start_secondary+0x39d/0x470 arch/x86/kernel/smpboot.c:267
 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:239

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
 flush_tlb_mm_range+0x338/0x420 arch/x86/mm/tlb.c:616
 tlb_flush_mmu_tlbonly+0x1ce/0x5f0 mm/memory.c:246
 tlb_flush_mmu mm/memory.c:267 [inline]
 arch_tlb_finish_mmu mm/memory.c:283 [inline]
 tlb_finish_mmu+0x202/0x5c0 mm/memory.c:433
 free_ldt_pgtables arch/x86/kernel/ldt.c:212 [inline]
 ldt_arch_exit_mmap+0x130/0x160 arch/x86/kernel/ldt.c:300
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:244 [inline]
 exit_mmap+0x30f/0x950 mm/mmap.c:3009
 __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
 get_signal+0x1320/0x1f20 kernel/signal.c:2469
 do_signal+0xb8/0x1c80 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline]
 prepare_exit_to_usermode+0x271/0x3a0 arch/x86/entry/common.c:196
 syscall_return_slowpath+0xe9/0x700 arch/x86/entry/common.c:265
 do_syscall_64+0x36d/0x430 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Local variable description: ----tlb.i@ldt_arch_exit_mmap
Variable was created at:
 ldt_arch_exit_mmap+0x46/0x160 arch/x86/kernel/ldt.c:298
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:244 [inline]
 exit_mmap+0x30f/0x950 mm/mmap.c:3009
==================================================================