IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready list_add corruption. prev->next should be next (ffffffff8a1dca60), but was ffff8881c69feb70. (prev=ffff8881c37c0bb0). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7057 Comm: ip Not tainted 4.20.0-rc6-next-20181210+ #164 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 Code: e8 00 1f d2 fd 0f 0b 48 89 d9 48 c7 c7 20 e6 80 88 e8 ef 1e d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 e6 80 88 48 89 de e8 db 1e d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 RSP: 0018:ffff8881dac06dc0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dac06dd8 R08: ffff8881c426a440 R09: ffffed103b585020 R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881c4aed930 R13: ffff8881c4aed6c0 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 00007f42f064b700(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff46afd000 CR3: 00000001d19fd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] neigh_alloc net/core/neighbour.c:395 [inline] ___neigh_create+0x14b7/0x2600 net/core/neighbour.c:553 __neigh_create+0x30/0x40 net/core/neighbour.c:640 ip6_finish_output2+0xa64/0x2940 net/ipv6/ip6_output.c:117 ip6_finish_output+0x58c/0xc60 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x232/0x9d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] mld_sendpack+0xad5/0xfa0 net/ipv6/mcast.c:1683 mld_send_cr net/ipv6/mcast.c:1979 [inline] mld_ifc_timer_expire+0x447/0x8a0 net/ipv6/mcast.c:2478 call_timer_fn+0x272/0x920 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:__sanitizer_cov_trace_cmp4+0x0/0x20 kernel/kcov.c:157 Code: ff 5d c3 0f 1f 80 00 00 00 00 55 0f b7 d6 0f b7 f7 bf 02 00 00 00 48 89 e5 48 8b 4d 08 e8 08 ff ff ff 5d c3 66 0f 1f 44 00 00 <55> 89 f2 89 fe bf 04 00 00 00 48 89 e5 48 8b 4d 08 e8 ea fe ff ff RSP: 0018:ffff8881813b66f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff8881c35d0cc0 RCX: ffffffff862b5816 RDX: 0000000000000000 RSI: 0000000000007ec0 RDI: 0000000000005a74 RBP: ffff8881813b6730 R08: ffff8881c426a440 R09: ffffed10301b1aa4 R10: ffffed10301b1aa4 R11: ffff888180d8d524 R12: 0000000000005a74 R13: 0000000000007ec0 R14: 0000000000000000 R15: 000000000000000c __nla_reserve+0x2a/0xc0 lib/nlattr.c:608 __nla_put+0x28/0x40 lib/nlattr.c:743 nla_put+0x10d/0x150 lib/nlattr.c:802 nla_put_string include/net/netlink.h:1154 [inline] rtnl_fill_ifinfo+0x114c/0x4670 net/core/rtnetlink.c:1630 rtnl_dump_ifinfo+0x9de/0x14b0 net/core/rtnetlink.c:1995 netlink_dump+0x606/0x1080 net/netlink/af_netlink.c:2244 netlink_recvmsg+0xf6f/0x1480 net/netlink/af_netlink.c:2000 sock_recvmsg_nosec net/socket.c:795 [inline] sock_recvmsg+0xd0/0x110 net/socket.c:802 ___sys_recvmsg+0x2b6/0x680 net/socket.c:2279 __sys_recvmsg+0x11a/0x280 net/socket.c:2328 __do_sys_recvmsg net/socket.c:2338 [inline] __se_sys_recvmsg net/socket.c:2335 [inline] __x64_sys_recvmsg+0x78/0xb0 net/socket.c:2335 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f42efd6c210 Code: 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 90 83 3d e5 d3 2a 00 00 75 10 b8 2f 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e bb 00 00 48 89 04 24 RSP: 002b:00007fff46afa988 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f42efd6c210 RDX: 0000000000000000 RSI: 00007fff46afa9d0 RDI: 0000000000000003 RBP: 0000000000003960 R08: 00007f42f0015ec8 R09: 00007f42efdb2c00 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006395c0 R13: 00007fff46afea60 R14: 0000000000003960 R15: 00007fff46afe370 Modules linked in: ---[ end trace 39b8a0e3f893c183 ]--- RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 Code: e8 00 1f d2 fd 0f 0b 48 89 d9 48 c7 c7 20 e6 80 88 e8 ef 1e d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 e6 80 88 48 89 de e8 db 1e d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 RSP: 0018:ffff8881dac06dc0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dac06dd8 R08: ffff8881c426a440 R09: ffffed103b585020 R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881c4aed930 R13: ffff8881c4aed6c0 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 00007f42f064b700(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff46afd000 CR3: 00000001d19fd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400