------------[ cut here ]------------ kernel BUG at net/ipv6/route.c:1264! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29001 Comm: syz-executor.1 Not tainted 5.1.0-rc3+ #157 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1264 [inline] RIP: 0010:ip6_pol_route+0x903/0x1040 net/ipv6/route.c:1909 Code: 48 03 1c c5 60 90 6b 88 be 08 00 00 00 48 89 df e8 b2 ff 92 fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 57 fa ff ff e8 1d 1e 5b fb <0f> 0b e8 16 1e 5b fb e8 b1 61 49 fb 31 ff 89 c6 88 85 28 ff ff ff RSP: 0018:ffff8880ae906a88 EFLAGS: 00010206 RAX: ffff8880a463e440 RBX: ffffe8ffffd4e7e8 RCX: ffffffff861570ce RDX: 0000000000000100 RSI: ffffffff861570e3 RDI: ffffe8ffffd4e7e8 RBP: ffff8880ae906b78 R08: 1ffffd1ffffa9cfd R09: fffff91ffffa9cfe R10: fffff91ffffa9cfd R11: ffffe8ffffd4e7ef R12: ffff8880968fe5c0 R13: 0000000000000001 R14: ffff8880968bd700 R15: ffff8880ae906ae0 FS: 00007fa224f1c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31423000 CR3: 000000006349b000 CR4: 00000000001406e0 Call Trace: ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2082 fib6_rule_lookup+0x128/0x560 net/ipv6/fib6_rules.c:118 ip6_route_output_flags+0x2c4/0x350 net/ipv6/route.c:2111 ip6_route_output include/net/ip6_route.h:88 [inline] ip6_dst_lookup_tail+0xd10/0x1b30 net/ipv6/ip6_output.c:966 ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1094 sctp_v6_get_dst+0x785/0x1d80 net/sctp/ipv6.c:293 sctp_transport_route+0x132/0x370 net/sctp/transport.c:312 sctp_assoc_add_peer+0x53e/0xfc0 net/sctp/associola.c:678 sctp_process_param net/sctp/sm_make_chunk.c:2548 [inline] sctp_process_init+0x249f/0x2b20 net/sctp/sm_make_chunk.c:2361 sctp_sf_do_5_1D_ce+0x458/0x1390 net/sctp/sm_statefuns.c:782 sctp_do_sm+0x12c/0x5770 net/sctp/sm_sideeffect.c:1188 sctp_endpoint_bh_rcv+0x451/0x950 net/sctp/endpointola.c:458 sctp_inq_push+0x1ea/0x290 net/sctp/inqueue.c:95 sctp_rcv+0x2850/0x3600 net/sctp/input.c:271 sctp6_rcv+0x17/0x30 net/sctp/ipv6.c:1063 ip6_protocol_deliver_rcu+0x303/0x16c0 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+0xe4/0x3f0 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+0x10e/0x420 net/ipv6/ip6_input.c:272 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4973 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5085 process_backlog+0x206/0x750 net/core/dev.c:5925 napi_poll net/core/dev.c:6348 [inline] net_rx_action+0x4fa/0x1070 net/core/dev.c:6414 __do_softirq+0x266/0x95a kernel/softirq.c:293 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:338 do_softirq kernel/softirq.c:330 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:190 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:684 [inline] ip6_finish_output2+0xbcf/0x2550 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+0x235/0x7f0 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+0xe41/0x20c0 net/ipv6/ip6_output.c:275 sctp_v6_xmit+0x313/0x660 net/sctp/ipv6.c:232 sctp_packet_transmit+0x1bc4/0x36f0 net/sctp/output.c:641 sctp_outq_flush_transports net/sctp/outqueue.c:1161 [inline] sctp_outq_flush+0x2b8/0x2780 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+0x2575/0x5770 net/sctp/sm_sideeffect.c:1191 sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1074 sctp_inq_push+0x1ea/0x290 net/sctp/inqueue.c:95 sctp_backlog_rcv+0x196/0xbe0 net/sctp/input.c:354 sk_backlog_rcv include/net/sock.h:943 [inline] __release_sock+0x12e/0x3a0 net/core/sock.c:2413 release_sock+0x59/0x1c0 net/core/sock.c:2929 sctp_wait_for_connect+0x316/0x540 net/sctp/socket.c:9047 __sctp_connect+0xac2/0xce0 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:4656 [inline] sctp_setsockopt+0x15db/0x6fe0 net/sctp/socket.c:4620 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3120 __sys_setsockopt+0x180/0x280 net/socket.c:2046 __do_sys_setsockopt net/socket.c:2057 [inline] __se_sys_setsockopt net/socket.c:2054 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2054 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4582b9 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:00007fa224f1bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004582b9 RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 000000000000001c R09: 0000000000000000 R10: 000000002055bfe4 R11: 0000000000000246 R12: 00007fa224f1c6d4 R13: 00000000004cd198 R14: 00000000004dafa0 R15: 00000000ffffffff Modules linked in: ---[ end trace 7ff990a29d3bb8bb ]--- RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1264 [inline] RIP: 0010:ip6_pol_route+0x903/0x1040 net/ipv6/route.c:1909 Code: 48 03 1c c5 60 90 6b 88 be 08 00 00 00 48 89 df e8 b2 ff 92 fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 57 fa ff ff e8 1d 1e 5b fb <0f> 0b e8 16 1e 5b fb e8 b1 61 49 fb 31 ff 89 c6 88 85 28 ff ff ff RSP: 0018:ffff8880ae906a88 EFLAGS: 00010206 RAX: ffff8880a463e440 RBX: ffffe8ffffd4e7e8 RCX: ffffffff861570ce RDX: 0000000000000100 RSI: ffffffff861570e3 RDI: ffffe8ffffd4e7e8 RBP: ffff8880ae906b78 R08: 1ffffd1ffffa9cfd R09: fffff91ffffa9cfe R10: fffff91ffffa9cfd R11: ffffe8ffffd4e7ef R12: ffff8880968fe5c0 R13: 0000000000000001 R14: ffff8880968bd700 R15: ffff8880ae906ae0 FS: 00007fa224f1c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31423000 CR3: 000000006349b000 CR4: 00000000001406e0