IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8932 Comm: kworker/0:2 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work RIP: 0010:tabledist.part.0+0x13f/0x170 net/sched/sch_netem.c:333 Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 58 3e a2 fb 48 81 eb 00 10 00 00 eb a5 e8 4a 3e a2 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 bf a0 dd fb e9 0d ff ff RSP: 0018:ffff88809690ed78 EFLAGS: 00010246 RAX: 00000000f320cdc6 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85d0d816 RDI: 0000000000000005 RBP: ffff88809690eda0 R08: ffff8880a81481c0 R09: ffffed101241682f R10: ffffed101241682e R11: ffff8880920b4177 R12: ffffffff80000000 R13: 0000000000000000 R14: 00000000f320cdc6 R15: ffff8880920b4000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006dab10 CR3: 0000000008e6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tabledist net/sched/sch_netem.c:536 [inline] netem_enqueue+0x416/0x2e10 net/sched/sch_netem.c:536 __dev_xmit_skb net/core/dev.c:3752 [inline] __dev_queue_xmit+0x157e/0x3720 net/core/dev.c:4063 dev_queue_xmit+0x18/0x20 net/core/dev.c:4127 br_dev_queue_push_xmit+0x3f3/0x5e0 net/bridge/br_forward.c:52 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] br_forward_finish+0xfa/0x400 net/bridge/br_forward.c:65 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] __br_forward+0x641/0xb00 net/bridge/br_forward.c:109 deliver_clone+0x61/0xc0 net/bridge/br_forward.c:125 maybe_deliver+0x2c7/0x390 net/bridge/br_forward.c:181 br_flood+0x13a/0x3d0 net/bridge/br_forward.c:223 br_dev_xmit+0x98c/0x15a0 net/bridge/br_device.c:100 __netdev_start_xmit include/linux/netdevice.h:4433 [inline] netdev_start_xmit include/linux/netdevice.h:4447 [inline] xmit_one net/core/dev.c:3501 [inline] dev_hard_start_xmit+0x1a3/0x9b0 net/core/dev.c:3517 __dev_queue_xmit+0x2c6c/0x3720 net/core/dev.c:4094 dev_queue_xmit+0x18/0x20 net/core/dev.c:4127 neigh_resolve_output net/core/neighbour.c:1490 [inline] neigh_resolve_output+0x5a5/0x970 net/core/neighbour.c:1470 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x1034/0x2550 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x235/0x7f0 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ndisc_send_skb+0xf29/0x14a0 net/ipv6/ndisc.c:505 ndisc_send_ns+0x3a9/0x850 net/ipv6/ndisc.c:647 addrconf_dad_work+0xb88/0x1150 net/ipv6/addrconf.c:4120 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace fb78a9f67091defe ]--- RIP: 0010:tabledist.part.0+0x13f/0x170 net/sched/sch_netem.c:333 Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 58 3e a2 fb 48 81 eb 00 10 00 00 eb a5 e8 4a 3e a2 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 bf a0 dd fb e9 0d ff ff RSP: 0018:ffff88809690ed78 EFLAGS: 00010246 RAX: 00000000f320cdc6 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85d0d816 RDI: 0000000000000005 RBP: ffff88809690eda0 R08: ffff8880a81481c0 R09: ffffed101241682f R10: ffffed101241682e R11: ffff8880920b4177 R12: ffffffff80000000 R13: 0000000000000000 R14: 00000000f320cdc6 R15: ffff8880920b4000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006dab10 CR3: 0000000008e6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400