netlink: 32 bytes leftover after parsing attributes in process `syz-executor790'.
netlink: 17 bytes leftover after parsing attributes in process `syz-executor790'.
netlink: 32 bytes leftover after parsing attributes in process `syz-executor790'.
divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3388 Comm: kworker/1:2 Not tainted 4.19.115-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 d3 3b ab fb 48 81 eb 00 10 00 00 eb aa e8 c5 3b ab fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 fa 06 e1 fb e9 13 ff ff
RSP: 0018:ffff88809b3bf528 EFLAGS: 00010246
RAX: 00000000fc99afad RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff85bc68ab RDI: 0000000000000005
RBP: ffffffff80000000 R08: ffff88809b3ee640 R09: ffffed1013677e9d
R10: ffffed1013677e9c R11: 0000000000000003 R12: 0000003e42c00000
R13: 00000000fc99afad R14: 0000000000000000 R15: ffff8880a4b70000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000009fb76000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 tabledist net/sched/sch_netem.c:534 [inline]
 netem_enqueue+0x40d/0x29e0 net/sched/sch_netem.c:534
 __dev_xmit_skb net/core/dev.c:3498 [inline]
 __dev_queue_xmit+0x156b/0x3040 net/core/dev.c:3814
 neigh_hh_output include/net/neighbour.h:491 [inline]
 neigh_output include/net/neighbour.h:499 [inline]
 ip6_finish_output2+0x1301/0x2540 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x571/0xbe0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x209/0x760 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:447 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 mld_sendpack+0x972/0xde0 net/ipv6/mcast.c:1684
 mld_send_initial_cr.part.0+0x107/0x150 net/ipv6/mcast.c:2101
 mld_send_initial_cr net/ipv6/mcast.c:2114 [inline]
 ipv6_mc_dad_complete+0x192/0x1d0 net/ipv6/mcast.c:2108
 addrconf_dad_completed+0x8ce/0xbb0 net/ipv6/addrconf.c:4131
 addrconf_dad_work+0x789/0x1110 net/ipv6/addrconf.c:4062
 process_one_work+0x91f/0x1640 kernel/workqueue.c:2155
 worker_thread+0x96/0xe20 kernel/workqueue.c:2298
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace f3dcefa26da2eae6 ]---
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 d3 3b ab fb 48 81 eb 00 10 00 00 eb aa e8 c5 3b ab fb 8d 4c 2d 00 44 89 e8 31 d2 <f7> f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 fa 06 e1 fb e9 13 ff ff
RSP: 0018:ffff88809b3bf528 EFLAGS: 00010246
RAX: 00000000fc99afad RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff85bc68ab RDI: 0000000000000005
RBP: ffffffff80000000 R08: ffff88809b3ee640 R09: ffffed1013677e9d
R10: ffffed1013677e9c R11: 0000000000000003 R12: 0000003e42c00000
R13: 00000000fc99afad R14: 0000000000000000 R15: ffff8880a4b70000
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 0000000008a6d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400