IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work RIP: 0010:tabledist net/sched/sch_netem.c:333 [inline] RIP: 0010:netem_enqueue+0x1875/0x3050 net/sched/sch_netem.c:536 Code: 49 bf 00 00 00 00 00 fc ff df 48 8b 6c 24 38 48 85 ed 0f 85 7e 01 00 00 e8 28 22 ed fa 48 8b 74 24 28 8d 0c 36 44 89 f0 31 d2 f1 48 63 c6 48 8b 4c 24 08 48 29 c1 48 01 d1 48 89 4c 24 08 e9 RSP: 0018:ffffc90000d8f860 EFLAGS: 00010246 RAX: 0000000023a7a297 RBX: 1ffff110150f1070 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8395a070 R09: ffffed1013f5a46e R10: ffffed1013f5a46e R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a8788000 R14: 0000000023a7a297 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d0210 CR3: 0000000009279000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __dev_xmit_skb net/core/dev.c:3710 [inline] __dev_queue_xmit+0x1032/0x28a0 net/core/dev.c:4021 neigh_output include/net/neighbour.h:510 [inline] ip6_finish_output2+0x105e/0x13e0 net/ipv6/ip6_output.c:117 dst_output include/net/dst.h:435 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ndisc_send_skb+0x937/0xd00 net/ipv6/ndisc.c:506 ndisc_send_ns+0x5d0/0x780 net/ipv6/ndisc.c:648 addrconf_dad_work+0xa80/0x1d00 net/ipv6/addrconf.c:4131 process_one_work+0x76e/0xfd0 kernel/workqueue.c:2268 worker_thread+0xa7f/0x1450 kernel/workqueue.c:2414 kthread+0x353/0x380 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 0cabc4ce812055dc ]--- RIP: 0010:tabledist net/sched/sch_netem.c:333 [inline] RIP: 0010:netem_enqueue+0x1875/0x3050 net/sched/sch_netem.c:536 Code: 49 bf 00 00 00 00 00 fc ff df 48 8b 6c 24 38 48 85 ed 0f 85 7e 01 00 00 e8 28 22 ed fa 48 8b 74 24 28 8d 0c 36 44 89 f0 31 d2 f1 48 63 c6 48 8b 4c 24 08 48 29 c1 48 01 d1 48 89 4c 24 08 e9 RSP: 0018:ffffc90000d8f860 EFLAGS: 00010246 RAX: 0000000023a7a297 RBX: 1ffff110150f1070 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8395a070 R09: ffffed1013f5a46e R10: ffffed1013f5a46e R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880a8788000 R14: 0000000023a7a297 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d0210 CR3: 0000000009279000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400