------------[ cut here ]------------ kernel BUG at net/ipv6/route.c:1262! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10143 Comm: syz-executor1 Not tainted 5.0.0-rc5 #59 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1262 [inline] RIP: 0010:ip6_pol_route+0x761/0xf00 net/ipv6/route.c:1895 Code: 48 03 1c c5 60 50 6e 88 be 08 00 00 00 48 89 df e8 84 fe 9b fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 ee fb ff ff e8 5f 29 65 fb <0f> 0b e8 58 29 65 fb e8 f3 61 53 fb 31 ff 89 c6 88 85 28 ff ff ff RSP: 0018:ffff8880ae906ac0 EFLAGS: 00010206 RAX: ffff888090b8c280 RBX: ffffe8ffffd4e3f8 RCX: ffffffff860ab1ac RDX: 0000000000000100 RSI: ffffffff860ab1c1 RDI: ffffe8ffffd4e3f8 RBP: ffff8880ae906ba8 R08: 1ffffd1ffffa9c7f R09: fffff91ffffa9c80 kobject: 'kvm' (00000000af21acc0): kobject_uevent_env R10: fffff91ffffa9c7f R11: ffffe8ffffd4e3ff R12: ffff88809811b140 R13: 0000000000000001 R14: ffff88808c225400 R15: ffff8880ae906b80 FS: 00007ff3280f0700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f1b4 CR3: 000000008aeca000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2068 fib6_rule_lookup+0x128/0x560 net/ipv6/fib6_rules.c:118 kobject: 'kvm' (00000000af21acc0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000af21acc0): kobject_uevent_env 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+0xd10/0x1b30 net/ipv6/ip6_output.c:958 kobject: 'kvm' (00000000af21acc0): fill_kobj_path: path = '/devices/virtual/misc/kvm' ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1086 sctp_v6_get_dst+0x785/0x1d80 net/sctp/ipv6.c:293 sctp_transport_route+0x132/0x370 net/sctp/transport.c:311 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+0x2499/0x2b20 net/sctp/sm_make_chunk.c:2361 sctp_sf_do_5_1B_init+0x8ba/0xe50 net/sctp/sm_statefuns.c:416 sctp_do_sm+0x124/0x5380 net/sctp/sm_sideeffect.c:1188 sctp_endpoint_bh_rcv+0x451/0x950 net/sctp/endpointola.c:456 sctp_inq_push+0x1ea/0x290 net/sctp/inqueue.c:95 sctp_rcv+0x27d9/0x3550 net/sctp/input.c:271 kobject: 'loop4' (00000000e6f94a61): kobject_uevent_env sctp6_rcv+0x17/0x30 net/sctp/ipv6.c:1063 kobject: 'loop4' (00000000e6f94a61): fill_kobj_path: path = '/devices/virtual/block/loop4' 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+0x177/0x330 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 kobject: 'loop3' (00000000eff15125): kobject_uevent_env kobject: 'loop3' (00000000eff15125): fill_kobj_path: path = '/devices/virtual/block/loop3' __netif_receive_skb_one_core+0x115/0x1a0 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+0x4fa/0x1070 net/core/dev.c:6412 __do_softirq+0x266/0x95a kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027 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+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+0x1b8b/0x3660 net/sctp/output.c:641 sctp_packet_singleton net/sctp/outqueue.c:787 [inline] sctp_outq_flush_ctrl.constprop.0+0x741/0xd40 net/sctp/outqueue.c:918 sctp_outq_flush+0xe8/0x2790 net/sctp/outqueue.c:1200 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+0x513/0x5380 net/sctp/sm_sideeffect.c:1191 sctp_primitive_ASSOCIATE+0x9d/0xd0 net/sctp/primitive.c:88 __sctp_connect+0x8cd/0xce0 net/sctp/socket.c:1226 __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+0x1bb2/0x5130 net/sctp/socket.c:4344 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2991 __sys_setsockopt+0x180/0x280 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x103/0x610 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:00007ff3280efc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457e39 RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 000000000000002c R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00007ff3280f06d4 R13: 00000000004cc8c8 R14: 00000000004da4f0 R15: 00000000ffffffff Modules linked in: ---[ end trace b9e5709637e9cdcb ]--- RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1262 [inline] RIP: 0010:ip6_pol_route+0x761/0xf00 net/ipv6/route.c:1895 Code: 48 03 1c c5 60 50 6e 88 be 08 00 00 00 48 89 df e8 84 fe 9b fb 31 c0 f0 4c 0f b1 33 48 85 c0 0f 84 ee fb ff ff e8 5f 29 65 fb <0f> 0b e8 58 29 65 fb e8 f3 61 53 fb 31 ff 89 c6 88 85 28 ff ff ff RSP: 0018:ffff8880ae906ac0 EFLAGS: 00010206 RAX: ffff888090b8c280 RBX: ffffe8ffffd4e3f8 RCX: ffffffff860ab1ac RDX: 0000000000000100 RSI: ffffffff860ab1c1 RDI: ffffe8ffffd4e3f8 RBP: ffff8880ae906ba8 R08: 1ffffd1ffffa9c7f R09: fffff91ffffa9c80 R10: fffff91ffffa9c7f R11: ffffe8ffffd4e3ff R12: ffff88809811b140 R13: 0000000000000001 R14: ffff88808c225400 R15: ffff8880ae906b80 FS: 00007ff3280f0700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f1b4 CR3: 000000008aeca000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400