Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000012cf61000
[0000000000000018] pgd=080000013c710003, p4d=080000013c710003, pud=080000012c97d003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 22110 Comm: syz-executor.2 Not tainted 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0x60/0x30a4 kernel/locking/lockdep.c:4923
lr : lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666
sp : ffff800013b439f0
x29: ffff800013b43ad0 x28: 0000000000000000 x27: 00000000000000c0
x26: 0000000000000018 x25: ffff800008188600 x24: 0000000000000080
x23: 0000000000000000 x22: 0000000000000018 x21: 0000000000000000
x20: 0000000000000000 x19: 0000000000000000 x18: 00000000000002f3
x17: 0000000000000000 x16: ffff80000db49158 x15: ffff0000fdc10000
x14: 00000000000001a0 x13: 00000000ffffffff x12: 0000000000040000
x11: 000000000000170f x10: ffff8000172c2000 x9 : 0000000000000001
x8 : 0000000000000001 x7 : ffff800008188600 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000018
Call trace:
 __lock_acquire+0x60/0x30a4 kernel/locking/lockdep.c:4923
 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 prepare_to_wait+0x38/0x120 kernel/sched/wait.c:265
 nr_accept+0x1bc/0x250 net/netrom/af_netrom.c:793
 do_accept+0x1d8/0x274 net/socket.c:1856
 __sys_accept4_file net/socket.c:1897 [inline]
 __sys_accept4+0xb4/0x12c net/socket.c:1927
 __do_sys_accept net/socket.c:1944 [inline]
 __se_sys_accept net/socket.c:1941 [inline]
 __arm64_sys_accept+0x28/0x3c net/socket.c:1941
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190
Code: 2a0303f4 2a0203f7 aa0003fa 34000148 (f9400348) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	2a0303f4 	mov	w20, w3
   4:	2a0203f7 	mov	w23, w2
   8:	aa0003fa 	mov	x26, x0
   c:	34000148 	cbz	w8, 0x34
* 10:	f9400348 	ldr	x8, [x26] <-- trapping instruction