------------[ cut here ]------------ kernel BUG at net/ipv6/route.c:1292! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 18155 Comm: syz-executor.0 Not tainted 5.2.0-rc3+ #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1292 [inline] RIP: 0010:ip6_pol_route+0xde2/0x1050 net/ipv6/route.c:1955 Code: 89 ee 44 89 ab 50 ff ff ff e8 da c3 4f fb 45 85 ed 0f 85 39 ff ff ff e8 4c c2 4f fb e8 47 c2 4f fb 0f 0b eb a2 e8 3e c2 4f fb <0f> 0b e8 37 c2 4f fb 49 8d bc 24 30 0d 00 00 48 b8 00 00 00 00 00 RSP: 0000:ffff88808c79eba0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff88808c79eca0 RCX: ffffc90005df1000 RDX: 00000000000176a6 RSI: ffffffff8620e442 RDI: ffffe8ffffc32010 RBP: ffff88808c79ecc8 R08: 1ffffd1ffff86402 R09: fffff91ffff86403 R10: fffff91ffff86402 R11: ffffe8ffffc32017 R12: ffffe8ffffc32010 R13: ffff888091b3e200 R14: ffff88808c79ebf0 R15: ffff888091b3e240 FS: 00007f2f7ef2c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e23000 CR3: 000000008abab000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip6_pol_route_output+0x54/0x70 net/ipv6/route.c:2128 fib6_rule_lookup+0x133/0x5a0 net/ipv6/fib6_rules.c:116 ip6_route_output_flags+0x2c4/0x350 net/ipv6/route.c:2157 ip6_route_output include/net/ip6_route.h:89 [inline] ip6_dst_lookup_tail+0xd10/0x1b30 net/ipv6/ip6_output.c:962 ip6_dst_lookup_flow+0xa8/0x220 net/ipv6/ip6_output.c:1090 sctp_v6_get_dst+0x785/0x1ce0 net/sctp/ipv6.c:278 sctp_transport_route+0x12d/0x360 net/sctp/transport.c:297 sctp_assoc_add_peer+0x53e/0xfc0 net/sctp/associola.c:663 sctp_process_param net/sctp/sm_make_chunk.c:2522 [inline] sctp_process_init+0x273c/0x2e10 net/sctp/sm_make_chunk.c:2343 sctp_cmd_process_init net/sctp/sm_sideeffect.c:667 [inline] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1374 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1184 [inline] sctp_do_sm+0x3a34/0x5190 net/sctp/sm_sideeffect.c:1155 sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1059 sctp_inq_push+0x1e4/0x280 net/sctp/inqueue.c:80 sctp_backlog_rcv+0x196/0xbe0 net/sctp/input.c:339 sk_backlog_rcv include/net/sock.h:945 [inline] __release_sock+0x129/0x390 net/core/sock.c:2417 release_sock+0x59/0x1c0 net/core/sock.c:2933 sctp_wait_for_connect+0x316/0x540 net/sctp/socket.c:9039 __sctp_connect+0xab2/0xcd0 net/sctp/socket.c:1226 __sctp_setsockopt_connectx+0x133/0x1a0 net/sctp/socket.c:1334 sctp_setsockopt_connectx_old net/sctp/socket.c:1350 [inline] sctp_setsockopt net/sctp/socket.c:4644 [inline] sctp_setsockopt+0x22c0/0x6d10 net/sctp/socket.c:4608 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3129 __sys_setsockopt+0x17a/0x280 net/socket.c:2072 __do_sys_setsockopt net/socket.c:2083 [inline] __se_sys_setsockopt net/socket.c:2080 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2080 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f2f7ef2bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004592c9 RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 000000000000001c R09: 0000000000000000 R10: 000000002055bfe4 R11: 0000000000000246 R12: 00007f2f7ef2c6d4 R13: 00000000004ced98 R14: 00000000004dd4f0 R15: 00000000ffffffff Modules linked in: ---[ end trace a29849d1cca9b604 ]--- RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1292 [inline] RIP: 0010:ip6_pol_route+0xde2/0x1050 net/ipv6/route.c:1955 Code: 89 ee 44 89 ab 50 ff ff ff e8 da c3 4f fb 45 85 ed 0f 85 39 ff ff ff e8 4c c2 4f fb e8 47 c2 4f fb 0f 0b eb a2 e8 3e c2 4f fb <0f> 0b e8 37 c2 4f fb 49 8d bc 24 30 0d 00 00 48 b8 00 00 00 00 00 RSP: 0000:ffff88808c79eba0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff88808c79eca0 RCX: ffffc90005df1000 RDX: 00000000000176a6 RSI: ffffffff8620e442 RDI: ffffe8ffffc32010 RBP: ffff88808c79ecc8 R08: 1ffffd1ffff86402 R09: fffff91ffff86403 R10: fffff91ffff86402 R11: ffffe8ffffc32017 R12: ffffe8ffffc32010 R13: ffff888091b3e200 R14: ffff88808c79ebf0 R15: ffff888091b3e240 FS: 00007f2f7ef2c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e23000 CR3: 000000008abab000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400