IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
8021q: adding VLAN 0 to HW filter on device bond0
8021q: adding VLAN 0 to HW filter on device bond0
8021q: adding VLAN 0 to HW filter on device bond0
==================================================================
BUG: KMSAN: uninit-value in rcu_segcblist_ready_cbs+0xab/0xe0 kernel/rcu/rcu_segcblist.c:94
CPU: 1 PID: 5944 Comm: ip 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
 rcu_segcblist_ready_cbs+0xab/0xe0 kernel/rcu/rcu_segcblist.c:94
 __rcu_pending kernel/rcu/tree.c:3367 [inline]
 rcu_pending kernel/rcu/tree.c:3401 [inline]
 rcu_check_callbacks+0x13c3/0x2ae0 kernel/rcu/tree.c:2763
 update_process_times+0x132/0x1a0 kernel/time/timer.c:1636
 tick_sched_handle kernel/time/tick-sched.c:164 [inline]
 tick_sched_timer+0x3ba/0x520 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0xc54/0x1630 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x451/0x13c0 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt+0x6b/0x250 arch/x86/kernel/apic/apic.c:1025
 smp_apic_timer_interrupt+0x5a/0x90 arch/x86/kernel/apic/apic.c:1053
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:866
 </IRQ>
RIP: 0010:my_phys_addr_valid mm/kmsan/kmsan_instr.c:103 [inline]
RIP: 0010:my_virt_addr_valid mm/kmsan/kmsan_instr.c:125 [inline]
RIP: 0010:msan_get_shadow_origin_ptr+0xac/0x230 mm/kmsan/kmsan_instr.c:256
RSP: 0018:ffff8801159bf3a0 EFLAGS: 00000207 ORIG_RAX: ffffffffffffff13
RAX: ffff88023f43e4cc RBX: ffffffff8b58a000 RCX: ffff880121221d2e
RDX: 00000001bf43e4cc RSI: 0000000000000004 RDI: 00000001bf43e4cc
RBP: ffff8801159bf3d0 R08: 0000000001080020 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff865f7c30 R12: ffff880121222618
R13: 0000000000000000 R14: ffffffff8b589000 R15: ffff8801bf43e4cc
 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:320
 skb_tailroom include/linux/skbuff.h:2140 [inline]
 nla_put+0xe5/0x340 lib/nlattr.c:624
 nla_put_u8 include/net/netlink.h:780 [inline]
 rtnl_fill_ifinfo+0x1a85/0x6360 net/core/rtnetlink.c:1564
 rtnl_dump_ifinfo+0x13dc/0x1b60 net/core/rtnetlink.c:1868
 netlink_dump+0x9b5/0x1550 net/netlink/af_netlink.c:2226
 netlink_recvmsg+0xe33/0x1900 net/netlink/af_netlink.c:1984
 sock_recvmsg_nosec net/socket.c:802 [inline]
 sock_recvmsg+0x1d6/0x230 net/socket.c:809
 ___sys_recvmsg+0x3fe/0x810 net/socket.c:2279
 __sys_recvmsg net/socket.c:2328 [inline]
 __do_sys_recvmsg net/socket.c:2338 [inline]
 __se_sys_recvmsg net/socket.c:2335 [inline]
 __x64_sys_recvmsg+0x325/0x460 net/socket.c:2335
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f44ac25c210
RSP: 002b:00007ffd239cdd58 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44ac25c210
RDX: 0000000000000000 RSI: 00007ffd239cdda0 RDI: 0000000000000013
RBP: 0000000000001b94 R08: 00007f44ac505ec8 R09: 00007f44ac2a2c00
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006395c0
R13: 00007ffd239d1e30 R14: 0000000000001b94 R15: 00007ffd239cf974

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
 rcu_segcblist_enqueue+0x275/0x2d0 kernel/rcu/rcu_segcblist.c:151
 __call_rcu+0x227/0xef0 kernel/rcu/tree.c:3057
 call_rcu_sched+0x32/0x40 kernel/rcu/tree.c:3097
 file_free fs/file_table.c:55 [inline]
 __fput+0x93c/0xa30 fs/file_table.c:226
 ____fput+0x37/0x40 fs/file_table.c:243
 task_work_run+0x22e/0x2b0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x110e/0x3930 kernel/exit.c:867
 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
==================================================================