divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2684 Comm: kworker/0:3 Not tainted 5.6.0-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.part.0+0x134/0x160 net/sched/sch_netem.c:333 Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 b3 a0 31 fb 48 81 eb 00 10 00 00 eb aa e8 a5 a0 31 fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 8a 49 6f fb e9 13 ff ff RSP: 0018:ffffc90007b0f458 EFLAGS: 00010246 RAX: 00000000074ed9e1 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864190eb RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffff8880a00ec280 R09: ffffed1014dcab46 R10: ffff8880a6e55a2f R11: ffffed1014dcab45 R12: 0000003e42c00000 R13: 00000000074ed9e1 R14: ffff888093cac330 R15: ffff888093cac000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000093460000 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+0x412/0x2da0 net/sched/sch_netem.c:536 __dev_xmit_skb net/core/dev.c:3710 [inline] __dev_queue_xmit+0x154a/0x30a0 net/core/dev.c:4021 neigh_resolve_output net/core/neighbour.c:1489 [inline] neigh_resolve_output+0x566/0x930 net/core/neighbour.c:1469 neigh_output include/net/neighbour.h:510 [inline] ip6_finish_output2+0x1091/0x25b0 net/ipv6/ip6_output.c:117 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176 dst_output include/net/dst.h:435 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ndisc_send_skb+0xf40/0x14b0 net/ipv6/ndisc.c:506 ndisc_send_ns+0x3b0/0x860 net/ipv6/ndisc.c:648 addrconf_dad_work+0xc4a/0x1280 net/ipv6/addrconf.c:4131 process_one_work+0x965/0x16a0 kernel/workqueue.c:2266 worker_thread+0x96/0xe20 kernel/workqueue.c:2412 kthread+0x388/0x470 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 83ab90b9d8e39deb ]--- RIP: 0010:tabledist.part.0+0x134/0x160 net/sched/sch_netem.c:333 Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 b3 a0 31 fb 48 81 eb 00 10 00 00 eb aa e8 a5 a0 31 fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 8a 49 6f fb e9 13 ff ff RSP: 0018:ffffc90007b0f458 EFLAGS: 00010246 RAX: 00000000074ed9e1 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864190eb RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffff8880a00ec280 R09: ffffed1014dcab46 R10: ffff8880a6e55a2f R11: ffffed1014dcab45 R12: 0000003e42c00000 R13: 00000000074ed9e1 R14: ffff888093cac330 R15: ffff888093cac000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000093460000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400