BUG: TASK stack guard page was hit at ffffc90007e8fff8 (stack is ffffc90007e90000..ffffc90007e98000)
Oops: stack guard page: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 28404 Comm: syz.0.5494 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ip_route_output_key_hash+0x89/0x2a0
Code: 10 5a 42 8a 4c 8d 74 24 20 49 c1 ee 03 48 b8 f1 f1 f1 f1 f8 f8 f8 f8 4b 89 04 26 48 b8 f8 f8 f3 f3 f3 f3 f3 f3 4b 89 44 26 08 <e8> 82 60 85 f7 43 c7 44 26 04 00 00 00 00 66 43 c7 44 26 08 00 00
RSP: 0018:ffffc90007e90000 EFLAGS: 00010a02
RAX: f3f3f3f3f3f3f8f8 RBX: ffffc90007e90040 RCX: ffff888115203c00
RDX: 0000000000000000 RSI: ffffc90007e901a0 RDI: ffff8881181f8000
RBP: ffffc90007e900f0 R08: ffffc90007e901d7 R09: 0000000000000000
R10: ffffc90007e901a0 R11: fffff52000fd203b R12: dffffc0000000000
R13: dffffc0000000000 R14: 1ffff92000fd2004 R15: ffffc90007e901a0
FS:  00007f350e3e96c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90007e8fff8 CR3: 0000000114f9c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ip_route_output_flow+0x2a/0x150
 ipvlan_process_v4_outbound+0x2f8/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 ipvlan_process_v4_outbound+0x448/0x740
 ipvlan_queue_xmit+0xabf/0x16b0
 ipvlan_start_xmit+0x4a/0x130
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14c0/0x3820
 ip_finish_output2+0xbda/0x10b0
 ip_output+0x29f/0x450
 NF_HOOK+0x605/0x660
 ip_vs_nat_send_or_cont+0x69c/0x8d0
 ip_vs_nat_xmit+0x76a/0xb40
 ip_vs_in_hook+0xe02/0x1c90
 nf_hook_slow+0xc5/0x220
 nf_hook+0x22a/0x3a0
 __ip_local_out+0x558/0x6a0
 ip_local_out+0x2a/0x190
 __ip_queue_xmit+0x10df/0x1b10
 __tcp_transmit_skb+0x2d18/0x47c0
 tcp_connect+0x22f1/0x54e0
 tcp_v4_connect+0x1051/0x1950
 __inet_stream_connect+0x258/0xe00
 inet_stream_connect+0x66/0xa0
 kernel_connect+0x141/0x1c0
 smc_connect+0x78c/0xdb0
 __sys_connect+0x316/0x450
 __x64_sys_connect+0x7a/0x90
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f350d59e159
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:00007f350e3e9028 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f350d826180 RCX: 00007f350d59e159
RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000045
RBP: 00007f350d635024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f350d826218 R14: 00007f350d826180 R15: 00007ffe5570dba8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ip_route_output_key_hash+0x89/0x2a0
Code: 10 5a 42 8a 4c 8d 74 24 20 49 c1 ee 03 48 b8 f1 f1 f1 f1 f8 f8 f8 f8 4b 89 04 26 48 b8 f8 f8 f3 f3 f3 f3 f3 f3 4b 89 44 26 08 <e8> 82 60 85 f7 43 c7 44 26 04 00 00 00 00 66 43 c7 44 26 08 00 00
RSP: 0018:ffffc90007e90000 EFLAGS: 00010a02
RAX: f3f3f3f3f3f3f8f8 RBX: ffffc90007e90040 RCX: ffff888115203c00
RDX: 0000000000000000 RSI: ffffc90007e901a0 RDI: ffff8881181f8000
RBP: ffffc90007e900f0 R08: ffffc90007e901d7 R09: 0000000000000000
R10: ffffc90007e901a0 R11: fffff52000fd203b R12: dffffc0000000000
R13: dffffc0000000000 R14: 1ffff92000fd2004 R15: ffffc90007e901a0
FS:  00007f350e3e96c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90007e8fff8 CR3: 0000000114f9c000 CR4: 00000000000006f0
