kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher
==================================================================
BUG: KASAN: slab-out-of-bounds in rt6_nexthop include/net/ip6_route.h:267 [inline]
BUG: KASAN: slab-out-of-bounds in ip6_dst_lookup_tail+0x1ba8/0x1d50 net/ipv6/ip6_output.c:1003
Read of size 4 at addr ffff88809718d8ec by task syz-executor5/8531

CPU: 0 PID: 8531 Comm: syz-executor5 Not tainted 5.0.0-rc4+ #56
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:134
 rt6_nexthop include/net/ip6_route.h:267 [inline]
 ip6_dst_lookup_tail+0x1ba8/0x1d50 net/ipv6/ip6_output.c:1003
 ip6_dst_lookup_flow+0xca/0x270 net/ipv6/ip6_output.c:1086
 sctp_v6_get_dst+0x801/0x2270 net/sctp/ipv6.c:293
 sctp_transport_route+0x132/0x370 net/sctp/transport.c:311
 sctp_assoc_add_peer+0x5f7/0x10e0 net/sctp/associola.c:678
 sctp_process_param net/sctp/sm_make_chunk.c:2548 [inline]
 sctp_process_init+0xe63/0x2910 net/sctp/sm_make_chunk.c:2361
 sctp_sf_do_5_1D_ce+0x484/0x1490 net/sctp/sm_statefuns.c:782
 sctp_do_sm+0x197/0x7020 net/sctp/sm_sideeffect.c:1188
 sctp_endpoint_bh_rcv+0x471/0x9b0 net/sctp/endpointola.c:456
 sctp_inq_push+0x288/0x3a0 net/sctp/inqueue.c:95
 sctp_rcv+0x2cef/0x4010 net/sctp/input.c:271
 sctp6_rcv+0x17/0x30 net/sctp/ipv6.c:1063
 ip6_protocol_deliver_rcu+0x3aa/0x1940 net/ipv6/ip6_input.c:394
 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ip6_input+0xf9/0x600 net/ipv6/ip6_input.c:443
 dst_input include/net/dst.h:450 [inline]
 ip6_rcv_finish+0x1e7/0x320 net/ipv6/ip6_input.c:76
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ipv6_rcv+0x113/0x650 net/ipv6/ip6_input.c:272
 __netif_receive_skb_one_core+0x160/0x210 net/core/dev.c:4973
 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5083
 process_backlog+0x206/0x750 net/core/dev.c:5923
 napi_poll net/core/dev.c:6346 [inline]
 net_rx_action+0x76d/0x1930 net/core/dev.c:6412
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027
 </IRQ>
 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:696 [inline]
 ip6_finish_output2+0xca9/0x28e0 net/ipv6/ip6_output.c:121
 ip6_finish_output+0x577/0xc30 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x23c/0xa00 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ip6_xmit+0xee1/0x24a0 net/ipv6/ip6_output.c:275
 sctp_v6_xmit+0x3bf/0x780 net/sctp/ipv6.c:232
 sctp_packet_transmit+0x1e49/0x3be0 net/sctp/output.c:641
 sctp_outq_flush_transports net/sctp/outqueue.c:1161 [inline]
 sctp_outq_flush+0x564/0x3580 net/sctp/outqueue.c:1209
 sctp_outq_uncork+0x6c/0x80 net/sctp/outqueue.c:772
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline]
 sctp_do_sm+0x624/0x7020 net/sctp/sm_sideeffect.c:1191
 sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1074
 sctp_inq_push+0x288/0x3a0 net/sctp/inqueue.c:95
 sctp_backlog_rcv+0x196/0xd30 net/sctp/input.c:354
 sk_backlog_rcv include/net/sock.h:936 [inline]
 __release_sock+0x12e/0x3a0 net/core/sock.c:2284
 release_sock+0xac/0x2b0 net/core/sock.c:2800
 sctp_wait_for_connect+0x3ab/0x600 net/sctp/socket.c:8751
 __sctp_connect+0xba2/0xd90 net/sctp/socket.c:1241
 __sctp_setsockopt_connectx+0x133/0x1a0 net/sctp/socket.c:1349
 sctp_setsockopt_connectx_old net/sctp/socket.c:1365 [inline]
 sctp_setsockopt net/sctp/socket.c:4380 [inline]
 sctp_setsockopt+0x22c2/0x6f80 net/sctp/socket.c:4344
 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991
 __sys_setsockopt+0x1b0/0x3a0 net/socket.c:1900
 __do_sys_setsockopt net/socket.c:1911 [inline]
 __se_sys_setsockopt net/socket.c:1908 [inline]
 __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1908
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f4a22badc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457e39
RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 000000000000001c R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f4a22bae6d4
R13: 00000000004cc8c8 R14: 00000000004da4f0 R15: 00000000ffffffff

Allocated by task 27540:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 __kasan_kmalloc mm/kasan/common.c:496 [inline]
 __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469
 kasan_kmalloc mm/kasan/common.c:504 [inline]
 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:411
 kmem_cache_alloc+0x12d/0x710 mm/slab.c:3543
 dst_alloc+0x10e/0x1d0 net/core/dst.c:105
 ip6_dst_alloc+0x34/0xa0 net/ipv6/route.c:355
 ip6_rt_pcpu_alloc net/ipv6/route.c:1223 [inline]
 rt6_make_pcpu_route net/ipv6/route.c:1253 [inline]
 ip6_pol_route+0x73c/0x1490 net/ipv6/route.c:1895
 ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2068
 fib6_rule_lookup+0x12f/0x870 net/ipv6/fib6_rules.c:118
 ip6_route_output_flags+0x2c4/0x350 net/ipv6/route.c:2097
 ip6_route_output include/net/ip6_route.h:88 [inline]
 ip6_dst_lookup_tail+0xe18/0x1d50 net/ipv6/ip6_output.c:958
 ip6_dst_lookup_flow+0xca/0x270 net/ipv6/ip6_output.c:1086
 sctp_v6_get_dst+0x801/0x2270 net/sctp/ipv6.c:293
 sctp_transport_route+0x132/0x370 net/sctp/transport.c:311
 sctp_assoc_add_peer+0x5f7/0x10e0 net/sctp/associola.c:678
 sctp_process_param net/sctp/sm_make_chunk.c:2548 [inline]
 sctp_process_init+0xe63/0x2910 net/sctp/sm_make_chunk.c:2361
 sctp_sf_do_5_1B_init+0x908/0xf80 net/sctp/sm_statefuns.c:416
 sctp_do_sm+0x197/0x7020 net/sctp/sm_sideeffect.c:1188
 sctp_endpoint_bh_rcv+0x471/0x9b0 net/sctp/endpointola.c:456
 sctp_inq_push+0x288/0x3a0 net/sctp/inqueue.c:95
 sctp_rcv+0x2cef/0x4010 net/sctp/input.c:271
 sctp6_rcv+0x17/0x30 net/sctp/ipv6.c:1063
 ip6_protocol_deliver_rcu+0x3aa/0x1940 net/ipv6/ip6_input.c:394
 ip6_input_finish+0x84/0x170 net/ipv6/ip6_input.c:434
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ip6_input+0xf9/0x600 net/ipv6/ip6_input.c:443
 dst_input include/net/dst.h:450 [inline]
 ip6_rcv_finish+0x1e7/0x320 net/ipv6/ip6_input.c:76
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ipv6_rcv+0x113/0x650 net/ipv6/ip6_input.c:272
 __netif_receive_skb_one_core+0x160/0x210 net/core/dev.c:4973
 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5083
 process_backlog+0x206/0x750 net/core/dev.c:5923
 napi_poll net/core/dev.c:6346 [inline]
 net_rx_action+0x76d/0x1930 net/core/dev.c:6412
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292

Freed by task 0:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/common.c:458
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:466
 __cache_free mm/slab.c:3487 [inline]
 kmem_cache_free+0x86/0x260 mm/slab.c:3749
 dst_destroy+0x2a0/0x3c0 net/core/dst.c:141
 dst_destroy_rcu+0x16/0x19 net/core/dst.c:154
 __rcu_reclaim kernel/rcu/rcu.h:240 [inline]
 rcu_do_batch kernel/rcu/tree.c:2452 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2773 [inline]
 rcu_process_callbacks+0xc4a/0x1680 kernel/rcu/tree.c:2754
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292

The buggy address belongs to the object at ffff88809718d800
 which belongs to the cache ip6_dst_cache of size 224
The buggy address is located 12 bytes to the right of
 224-byte region [ffff88809718d800, ffff88809718d8e0)
The buggy address belongs to the page:
page:ffffea00025c6340 count:1 mapcount:0 mapping:ffff88809acc5500 index:0x0
flags: 0x1fffc0000000200(slab)
raw: 01fffc0000000200 ffffea000244ad08 ffffea00024caf88 ffff88809acc5500
raw: 0000000000000000 ffff88809718d080 000000010000000c 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88809718d780: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88809718d800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88809718d880: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
                                                          ^
 ffff88809718d900: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff88809718d980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================