BUG: unable to handle page fault for address: ffffed101ac89000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 17fff6067 P4D 17fff6067 PUD 7ffd6067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 19444 Comm: syz.3.2325 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
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 6a 5c 1b f8 48 83 c5 30 e8 61 5c 1b 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 ad 2f a2 01 31 ff 41
RSP: 0018:ffffc90007467660 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffc900074678b0 RCX: ffffc90025dda000
RDX: 1ffff1101ac89000 RSI: ffffffff89ed3f9f RDI: ffff888028547e58
RBP: ffff8880d6448000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888028547e20
R13: ffff88802ef85800 R14: ffffc90007467710 R15: ffff88804d6a0000
FS:  00007efee565a6c0(0000) GS:ffff8880d6448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101ac89000 CR3: 00000000599ec000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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_output_key include/net/route.h:179 [inline]
 sctp_v4_get_dst+0x3c4/0x1220 net/sctp/protocol.c:455
 sctp_transport_route+0x131/0x360 net/sctp/transport.c:448
 sctp_assoc_add_peer+0x765/0x14f0 net/sctp/associola.c:663
 sctp_connect_new_asoc+0x1f8/0x770 net/sctp/socket.c:1100
 sctp_sendmsg_new_asoc net/sctp/socket.c:1692 [inline]
 sctp_sendmsg+0x171a/0x22b0 net/sctp/socket.c:2003
 inet_sendmsg+0x11c/0x140 net/ipv4/af_inet.c:859
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x467/0x520 net/socket.c:2206
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efee479c629
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:00007efee565a028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007efee4a16090 RCX: 00007efee479c629
RDX: 0000000000034000 RSI: 0000200000000140 RDI: 0000000000000008
RBP: 00007efee4832b39 R08: 0000200000004ff0 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efee4a16128 R14: 00007efee4a16090 R15: 00007ffe3513f098
 </TASK>
Modules linked in:
CR2: ffffed101ac89000
---[ 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 6a 5c 1b f8 48 83 c5 30 e8 61 5c 1b 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 ad 2f a2 01 31 ff 41
RSP: 0018:ffffc90007467660 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffffc900074678b0 RCX: ffffc90025dda000
RDX: 1ffff1101ac89000 RSI: ffffffff89ed3f9f RDI: ffff888028547e58
RBP: ffff8880d6448000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888028547e20
R13: ffff88802ef85800 R14: ffffc90007467710 R15: ffff88804d6a0000
FS:  00007efee565a6c0(0000) GS:ffff8880d6448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed101ac89000 CR3: 00000000599ec000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
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 6a 5c 1b f8       	call   0xf81b5c7a
  10:	48 83 c5 30          	add    $0x30,%rbp
  14:	e8 61 5c 1b f8       	call   0xf81b5c7a
  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 ad 2f a2 01       	call   0x1a22fea
  3d:	31 ff                	xor    %edi,%edi
  3f:	41                   	rex.B