loop0: detected capacity change from 0 to 32768
Unable to handle kernel paging request at virtual address dfff800000000001
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
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
[dfff800000000001] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 6164 Comm: syz-executor393 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:3713
lr : dtInsertEntry+0x9c0/0x1178 fs/jfs/jfs_dtree.c:3713
sp : ffff8000976f6e00
x29: ffff8000976f6f60 x28: 000000000000000d x27: 1fffe0001bc8b628
x26: ffff0000de45b130 x25: ffff0000de45b140 x24: 0000000000000005
x23: 0000000000000000 x22: dfff800000000000 x21: ffff80009701d0a8
x20: ffff8000976f6f00 x19: 0000000000000008 x18: ffff8000976f6c20
x17: 000000000000c9cd x16: ffff800080276f8c x15: 0000000000000001
x14: 0000000000000000 x13: 0000000000008000 x12: ffff8000976f6ee0
x11: ffff0000de45b130 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000001 x7 : ffff800081ad88cc x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff8000976f7440 x3 : ffff8000976f7400
x2 : ffff8000976f7580 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:3713
 dtInsert+0x964/0x54f4 fs/jfs/jfs_dtree.c:891
 jfs_create+0x698/0xa04 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3500 [inline]
 open_last_lookups fs/namei.c:3569 [inline]
 path_openat+0xfb4/0x2830 fs/namei.c:3799
 do_filp_open+0x1bc/0x3cc fs/namei.c:3829
 do_sys_openat2+0x124/0x1b8 fs/open.c:1404
 do_sys_open fs/open.c:1419 [inline]
 __do_sys_openat fs/open.c:1435 [inline]
 __se_sys_openat fs/open.c:1430 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1430
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 97a9d69b f94017e8 91002113 d343fe68 (38f66908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97a9d69b 	bl	0xfffffffffea75a6c
   4:	f94017e8 	ldr	x8, [sp, #40]
   8:	91002113 	add	x19, x8, #0x8
   c:	d343fe68 	lsr	x8, x19, #3
* 10:	38f66908 	ldrsb	w8, [x8, x22] <-- trapping instruction