Unable to handle kernel paging request at virtual address dfff800000000005
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
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
[dfff800000000005] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4335 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : do_journal_end+0xf38/0x3bac fs/reiserfs/journal.c:4096
lr : __getblk include/linux/buffer_head.h:411 [inline]
lr : do_journal_end+0xf2c/0x3bac fs/reiserfs/journal.c:4093
sp : ffff8000209e7560
x29: ffff8000209e7790 x28: ffff0000c2e1c000 x27: ffff0000c2e1c678
x26: ffff8000210e9030 x25: ffff8000210e9040 x24: ffff0000c2e1c018
x23: ffff8000210e9048 x22: 0000000000000012 x21: 0000000000000003
x20: 0000000000000000 x19: dfff800000000000 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff8000082ef09c x15: ffff800008a364cc
x14: 0000000000000001 x13: 1fffff8000683bf6 x12: 0000000000ff0100
x11: ff00800008a917d8 x10: 0000000000000000 x9 : ffff800008a917d8
x8 : 0000000000000005 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008a915a8
x2 : 0000000000000001 x1 : 0000000000000002 x0 : 0000000000000028
Call trace:
 do_journal_end+0xf38/0x3bac fs/reiserfs/journal.c:4096
 journal_end_sync+0x164/0x1d0 fs/reiserfs/journal.c:3539
 reiserfs_sync_fs+0xe0/0x170 fs/reiserfs/super.c:78
 sync_filesystem+0xe8/0x218 fs/sync.c:56
 generic_shutdown_super+0x70/0x324 fs/super.c:474
 kill_block_super+0x70/0xdc fs/super.c:1470
 reiserfs_kill_sb+0x124/0x13c fs/reiserfs/super.c:570
 deactivate_locked_super+0xac/0x120 fs/super.c:332
 deactivate_super+0xe4/0x104 fs/super.c:363
 cleanup_mnt+0x390/0x418 fs/namespace.c:1191
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198
 task_work_run+0x1ec/0x278 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x1fa0/0x2aa4 arch/arm64/kernel/signal.c:1151
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97f693b5 aa0003f4 9100a000 d343fc08 (38736908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97f693b5 	bl	0xffffffffffda4ed4
   4:	aa0003f4 	mov	x20, x0
   8:	9100a000 	add	x0, x0, #0x28
   c:	d343fc08 	lsr	x8, x0, #3
* 10:	38736908 	ldrb	w8, [x8, x19] <-- trapping instruction