Unable to handle kernel paging request at virtual address fff07ffffae8c000
Mem abort info:
  ESR = 0x0000000096000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 52-bit VAs, pgdp=0000000042af4000
[fff07ffffae8c000] pgd=18000000bfdff403, p4d=0000000000000000
Internal error: Oops: 0000000096000004 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 13631 Comm: syz.3.3810 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: linux,dummy-virt (DT)
pstate: 01402009 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : __mkroute_output net/ipv4/route.c:2649 [inline]
pc : ip_route_output_key_hash_rcu+0x47c/0x780 net/ipv4/route.c:2875
lr : __mkroute_output net/ipv4/route.c:2634 [inline]
lr : ip_route_output_key_hash_rcu+0x470/0x780 net/ipv4/route.c:2875
sp : ffff8000836ab900
x29: ffff8000836ab900 x28: 0000000000000001 x27: 0000000080000000
x26: faf0000006f69400 x25: f1f000000ae91000 x24: ffff8000836ab978
x23: 0000000000000000 x22: 0000000000000000 x21: f4f0000017d00100
x20: f3f000001272c620 x19: f3f00000067d2a00 x18: 00000000ffffffff
x17: 0000000000000000 x16: 0000000000000000 x15: ffff8000836ab8a1
x14: ffff8000836ab6f0 x13: ffff8000836ab918 x12: 0000000000000000
x11: 7f7f7f7f7f7f7f7f x10: 0000000000000000 x9 : 0000000000000073
x8 : ffff80008216b9c8 x7 : 0000000000000001 x6 : 000000000a010101
x5 : 00000000000000fe x4 : 0000000000000000 x3 : 0000000000000009
x2 : f7f000000f8f30c0 x1 : fff07ffffae8c000 x0 : fff07ffffae8c000
Call trace:
 __mkroute_output net/ipv4/route.c:2637 [inline] (P)
 ip_route_output_key_hash_rcu+0x47c/0x780 net/ipv4/route.c:2875 (P)
 ip_route_output_key_hash net/ipv4/route.c:2705 [inline]
 __ip_route_output_key include/net/route.h:169 [inline]
 ip_route_output_flow+0x60/0xe0 net/ipv4/route.c:2932
 l2tp_ip_sendmsg+0x294/0x438 net/l2tp/l2tp_ip.c:502
 inet_sendmsg+0x44/0x74 net/ipv4/af_inet.c:859
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x54/0x60 net/socket.c:742
 ____sys_sendmsg+0x104/0x2a4 net/socket.c:2592
 ___sys_sendmsg+0xb0/0x108 net/socket.c:2646
 __sys_sendmmsg+0x110/0x24c net/socket.c:2735
 __do_sys_sendmmsg net/socket.c:2762 [inline]
 __se_sys_sendmmsg net/socket.c:2759 [inline]
 __arm64_sys_sendmmsg+0x28/0x38 net/socket.c:2759
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x48/0x104 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151
 el0_svc+0x34/0x124 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0xa0/0xf0 arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596
Code: 97fff2f8 aa0003f7 9100c2e0 b4001177 (f9400014) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97fff2f8 	bl	0xffffffffffffcbe0
   4:	aa0003f7 	mov	x23, x0
   8:	9100c2e0 	add	x0, x23, #0x30
   c:	b4001177 	cbz	x23, 0x238
* 10:	f9400014 	ldr	x20, [x0] <-- trapping instruction