Unable to handle kernel paging request at virtual address dfff80000000003d
KASAN: null-ptr-deref in range [0x00000000000001e8-0x00000000000001ef]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff80000000003d] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 99 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 234000c5 (nzCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:567
sp : ffff800099cd7bc0
x29: ffff800099cd7bc0 x28: ffff80008f861000 x27: ffff0000c4c75b80
x26: a6ac80008b0877d0 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 00000000000001e8 x21: 00000000000001e8
x20: 0000000000000000 x19: ffff80008b0877d0 x18: 00000000ffffffff
x17: ffff800093605000 x16: ffff80008b065bd0 x15: 0000000000000002
x14: 1ffff0001339af89 x13: 0000000000000000 x12: 0000000000000000
x11: ffff70001339af8b x10: 0000000000000003 x9 : dfff800000000000
x8 : 000000000000003d x7 : 0000000000000000 x6 : ffff800081c128a0
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff80008b0877d0 x0 : 00000000000001e8
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 (P)
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5842
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x58/0x70 kernel/locking/spinlock.c:170
 spin_lock_irq include/linux/spinlock.h:376 [inline]
 txLazyCommit fs/jfs/jfs_txnmgr.c:2668 [inline]
 jfs_lazycommit+0x3e8/0x94c fs/jfs/jfs_txnmgr.c:2733
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction