IPVS: Schedule: port zero only supported in persistent services, check your ipvs configuration
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1
WARNING: net/ipv4/route.c:1275 at ip_rt_bug+0x2d/0x140, CPU#1: syz.2.3344/20758
Modules linked in:
CPU: 1 UID: 0 PID: 20758 Comm: syz.2.3344 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ip_rt_bug+0x2d/0x140
Code: fa 55 41 57 41 56 41 55 41 54 53 48 89 d3 e8 4a e7 b8 f7 66 90 e8 43 e7 b8 f7 31 ff 48 89 de ba 02 00 00 00 e8 84 81 68 ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4f cf 9e 01 cc 49
RSP: 0018:ffffc9000638e8c0 EFLAGS: 00010286
RAX: b007abbe1a7bab00 RBX: ffff8881ba8b3680 RCX: 0000000080000201
RDX: 0000000000000002 RSI: ffffffff8dfaa160 RDI: ffffffff8c28ade0
RBP: ffffc9000638ebb0 R08: ffffffff9030b6f7 R09: 1ffffffff20616de
R10: dffffc0000000000 R11: fffffbfff20616df R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881ba8b3680 R15: dffffc0000000000
FS:  00007f04f511d6c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04e9e1f000 CR3: 0000000171a5c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ip_push_pending_frames+0x8b/0x110
 __icmp_send+0x11e4/0x1690
 ip_vs_leave+0x46f/0xca0
 sctp_conn_schedule+0x5ed/0xb00
 ip_vs_in_hook+0xc50/0x1bf0
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 __ip_queue_xmit+0x116a/0x1bb0
 sctp_packet_transmit+0x246f/0x2ac0
 sctp_packet_singleton+0x234/0x340
 sctp_outq_flush+0x50d/0x31b0
 sctp_do_sm+0x54c7/0x5cf0
 sctp_primitive_ASSOCIATE+0x95/0xc0
 __sctp_connect+0x911/0xdc0
 sctp_getsockopt_connectx3+0x227/0x360
 sctp_getsockopt+0x984/0xb90
 do_sock_getsockopt+0x51d/0x7e0
 __x64_sys_getsockopt+0x1a4/0x240
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04f419cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f04f511d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007f04f4415fa0 RCX: 00007f04f419cdd9
RDX: 000000000000006f RSI: 0000000000000084 RDI: 0000000000000004
RBP: 00007f04f4232d69 R08: 0000200000000140 R09: 0000000000000000
R10: 0000200000000200 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f04f4416038 R14: 00007f04f4415fa0 R15: 00007ffd5d299ba8
 </TASK>
