BUG: unable to handle page fault for address: ffffed1012e2a200
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffd5067 P4D 7ffd5067 PUD 3fffa067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 7511 Comm: kworker/u32:10 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: krds_cp_wq#2/0 rds_connect_worker
RIP: 0010:__mkroute_output net/ipv4/route.c:2649 [inline]
RIP: 0010:ip_route_output_key_hash_rcu+0x6c0/0x2870 net/ipv4/route.c:2875
Code: 24 30 48 85 ed 0f 84 91 14 00 00 e8 9a 58 1d f8 48 83 c5 30 e8 91 58 1d f8 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 06 1e 00 00 48 8b 6d 00 e8 dd 1c a2 01 31 ff 41
RSP: 0018:ffffc9000306f5a8 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff8880247f3908 RCX: ffffffff89eab732
RDX: 1ffff11012e2a200 RSI: ffffffff89eaa26f RDI: ffff888029dec658
RBP: ffff888097151000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888029dec620
R13: ffff88802af77800 R14: ffffc9000306f658 R15: ffff88804d9b8000
FS:  0000000000000000(0000) GS:ffff888097151000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1012e2a200 CR3: 000000005d17c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ip_route_output_key_hash+0x118/0x2b0 net/ipv4/route.c:2705
 __ip_route_output_key include/net/route.h:169 [inline]
 ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2932
 ip_route_connect include/net/route.h:355 [inline]
 tcp_v4_connect+0x8e8/0x1bf0 net/ipv4/tcp_ipv4.c:256
 __inet_stream_connect+0x208/0xfa0 net/ipv4/af_inet.c:679
 inet_stream_connect+0x57/0xa0 net/ipv4/af_inet.c:750
 kernel_connect+0x107/0x160 net/socket.c:3634
 rds_tcp_conn_path_connect+0x72b/0xaa0 net/rds/tcp_connect.c:205
 rds_connect_worker+0x1b4/0x2d0 net/rds/threads.c:176
 process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275
 process_scheduled_works kernel/workqueue.c:3358 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
 kthread+0x370/0x450 kernel/kthread.c:467
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: ffffed1012e2a200
---[ end trace 0000000000000000 ]---
RIP: 0010:__mkroute_output net/ipv4/route.c:2649 [inline]
RIP: 0010:ip_route_output_key_hash_rcu+0x6c0/0x2870 net/ipv4/route.c:2875
Code: 24 30 48 85 ed 0f 84 91 14 00 00 e8 9a 58 1d f8 48 83 c5 30 e8 91 58 1d f8 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 06 1e 00 00 48 8b 6d 00 e8 dd 1c a2 01 31 ff 41
RSP: 0018:ffffc9000306f5a8 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff8880247f3908 RCX: ffffffff89eab732
RDX: 1ffff11012e2a200 RSI: ffffffff89eaa26f RDI: ffff888029dec658
RBP: ffff888097151000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888029dec620
R13: ffff88802af77800 R14: ffffc9000306f658 R15: ffff88804d9b8000
FS:  0000000000000000(0000) GS:ffff888097151000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1012e2a200 CR3: 000000005d17c000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	24 30                	and    $0x30,%al
   2:	48 85 ed             	test   %rbp,%rbp
   5:	0f 84 91 14 00 00    	je     0x149c
   b:	e8 9a 58 1d f8       	call   0xf81d58aa
  10:	48 83 c5 30          	add    $0x30,%rbp
  14:	e8 91 58 1d f8       	call   0xf81d58aa
  19:	48 89 ea             	mov    %rbp,%rdx
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 06 1e 00 00    	jne    0x1e3a
  34:	48 8b 6d 00          	mov    0x0(%rbp),%rbp
  38:	e8 dd 1c a2 01       	call   0x1a21d1a
  3d:	31 ff                	xor    %edi,%edi
  3f:	41                   	rex.B