list_add corruption. next->prev should be prev (ffff8881cd26b470), but was ffff8881d4fc06f0. (next=ffffffff8a1dca60). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:25! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6989 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+0xf/0x2a lib/list_debug.c:23 Code: e5 80 88 e8 11 1f d2 fd 0f 0b 48 89 de 48 c7 c7 60 e5 80 88 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 RSP: 0018:ffff8881dac06dc0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dac06dd8 R08: ffff8881cc3ca4c0 R09: ffffed103b585020 R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881cde086f0 R13: ffff8881cde08480 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdb5dc9020 CR3: 00000001b7127000 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 8021q: adding VLAN 0 to HW filter on device bond0 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 8021q: adding VLAN 0 to HW filter on device bond0 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 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready 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 IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 kernel/kcov.c:94 Code: dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 a8 f5 81 RSP: 0018:ffff8881ce0af7c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 00000000001fd000 RCX: ffffffff81b619cd RDX: 1ffff1103a6ecc8a RSI: ffffffff81b618a2 RDI: ffff8881d3766450 RBP: ffff8881ce0af7f0 R08: ffff8881cc3ca4c0 R09: ffff8881d3766420 R10: ffffed103a6ecc9c R11: ffff8881d37664e7 R12: ffff8881d3766420 8021q: adding VLAN 0 to HW filter on device team0 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 vma_gap_callbacks_propagate mm/mmap.c:429 [inline] vma_gap_update mm/mmap.c:443 [inline] __vma_link_rb+0x228/0x370 mm/mmap.c:605 __vma_link mm/mmap.c:634 [inline] vma_link+0x14c/0x180 mm/mmap.c:648 mmap_region+0x133a/0x1cd0 mm/mmap.c:1809 8021q: adding VLAN 0 to HW filter on device team0 do_mmap+0xa22/0x1230 mm/mmap.c:1559 do_mmap_pgoff include/linux/mm.h:2422 [inline] vm_mmap_pgoff+0x213/0x2c0 mm/util.c:350 ksys_mmap_pgoff+0xf1/0x660 mm/mmap.c:1609 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f434becd3ea Code: 48 8d 3d 81 69 00 00 b2 84 e8 52 ec ff ff f7 d8 89 05 ae ad 20 00 eb c6 90 90 90 90 90 90 90 90 49 89 ca b8 09 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 8a ad 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffdb5c42378 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000002000 RCX: 00007f434becd3ea RDX: 0000000000000003 RSI: 0000000000002000 RDI: 0000000000000000 RBP: 00000000000014a0 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000002 R14: 00007f434c0d8bc8 R15: 000000000000000f Modules linked in: ---[ end trace b6caafd5ba5e9c67 ]--- RIP: 0010:__list_add_valid.cold.2+0xf/0x2a lib/list_debug.c:23 Code: e5 80 88 e8 11 1f d2 fd 0f 0b 48 89 de 48 c7 c7 60 e5 80 88 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 RSP: 0018:ffff8881dac06dc0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dac06dd8 R08: ffff8881cc3ca4c0 R09: ffffed103b585020 R10: ffffed103b585020 R11: ffff8881dac28107 R12: ffff8881cde086f0 R13: ffff8881cde08480 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 0000000000000000(0000) GS:ffff8881dac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdb5dc9020 CR3: 00000001b7127000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400