Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
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=000000015c413000
[0000000000000008] pgd=080000015543a003
, p4d=080000015543a003
, pud=08000001555d0003
, pmd=0000000000000000

Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:

CPU: 0 PID: 4852 Comm: kworker/u4:8 Not tainted 6.2.0-rc7-syzkaller-17891-geaed33698e35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: pencrypt_parallel padata_parallel_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : scatterwalk_start include/crypto/scatterwalk.h:63 [inline]
pc : scatterwalk_pagedone include/crypto/scatterwalk.h:83 [inline]
pc : scatterwalk_copychunks+0x84/0x258 crypto/scatterwalk.c:50
lr : scatterwalk_pagedone include/crypto/scatterwalk.h:83 [inline]
lr : scatterwalk_copychunks+0x7c/0x258 crypto/scatterwalk.c:50
sp : ffff8000146db9d0
x29: ffff8000146db9d0 x28: ffff000115600000 x27: 0000000000001000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: ffff00011c168a80 x21: ffff8000146dbbd8
x20: 0000000000000010 x19: 0000000000000000 x18: ffff80000bf9e9bc
x17: 0000000000000000 x16: ffff0001156009f8 x15: 0000000000004010
x14: 0000000000001000 x13: 000000000000000d x12: 0000000000004000
x11: ff8080000951d8d4 x10: 0000000000000000 x9 : ffff80000951d8d4
x8 : ffff000115600000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : ffff00011c168a80 x4 : ffff000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000002 x0 : 0000000000000000
Call trace:
 scatterwalk_pagedone include/crypto/scatterwalk.h:83 [inline]
 scatterwalk_copychunks+0x84/0x258 crypto/scatterwalk.c:50
 skcipher_next_slow+0x164/0x1a0 crypto/skcipher.c:278
 skcipher_walk_next+0x270/0x3e8 crypto/skcipher.c:363
 skcipher_walk_first crypto/skcipher.c:446 [inline]
 skcipher_walk_aead_common+0x208/0x330 crypto/skcipher.c:539
 skcipher_walk_aead_encrypt+0x3c/0x50 crypto/skcipher.c:552
 gcm_encrypt+0xe4/0x294 arch/arm64/crypto/ghash-ce-glue.c:363
 crypto_aead_encrypt+0x48/0x68 crypto/aead.c:94
 pcrypt_aead_enc+0x20/0x60 crypto/pcrypt.c:83
 padata_parallel_worker+0x30/0xf0 kernel/padata.c:152
 process_one_work+0x3ac/0x9d0 kernel/workqueue.c:2289
 worker_thread+0x340/0x608 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: aa1a03e0 9404b475 f90002a0 aa0003fa (b9400819) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1a03e0 	mov	x0, x26
   4:	9404b475 	bl	0x12d1d8
   8:	f90002a0 	str	x0, [x21]
   c:	aa0003fa 	mov	x26, x0
* 10:	b9400819 	ldr	w25, [x0, #8] <-- trapping instruction