Unable to handle kernel paging request at virtual address dfff80001fffffff
Mem abort info:
  ESR = 0x0000000096000007
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000007
  CM = 0, WnR = 0
[dfff80001fffffff] address between user and kernel address ranges
Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4200 Comm: syz.0.23 Not tainted 5.15.170-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
pc : prepare_error_buf+0x6d0/0x1580 fs/reiserfs/prints.c:229
lr : prepare_error_buf+0x430/0x1580 fs/reiserfs/prints.c:230
sp : ffff8000201e7120
x29: ffff8000201e72a0 x28: ffff80001b84d91e x27: ffff80001b84ca1e
x26: ffff8000201e7398 x25: ffff8000201e7380 x24: ffff8000201e7200
x23: ffff80001b84ca00 x22: 00000000ffffffff x21: ffffffffffffffe2
x20: 00000000000003e2 x19: dfff800000000000 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800008ccb1a4 x15: 000000000000007a
x14: ffff0000c6619b40 x13: 0000000000ff0100 x12: 0000000000040000
x11: 000000000003ffff x10: ffff8000210ed000 x9 : 0000000000040000
x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20
x5 : ffff80001b84ca1e x4 : ffff80001b84d91e x3 : ffff80000ab86314
x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000fffffff9
Call trace:
 scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
 prepare_error_buf+0x6d0/0x1580 fs/reiserfs/prints.c:229
 __reiserfs_error+0xe8/0x2ac fs/reiserfs/prints.c:396
 reiserfs_do_truncate+0x2c0/0x11c8 fs/reiserfs/stree.c:1930
 reiserfs_truncate_file+0x3ac/0x6f0 fs/reiserfs/inode.c:2318
 reiserfs_file_release+0x710/0x884 fs/reiserfs/file.c:109
 __fput+0x1c4/0x800 fs/file_table.c:280
 ____fput+0x20/0x30 fs/file_table.c:308
 task_work_run+0x130/0x1e4 kernel/task_work.c:188
 get_signal+0x1450/0x1550 kernel/signal.c:2672
 do_signal arch/arm64/kernel/signal.c:890 [inline]
 do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f9400296 911002b4 b4000496 d343fec8 (38f36908) 
---[ end trace bcc788906902aebf ]---
----------------
Code disassembly (best guess):
   0:	f9400296 	ldr	x22, [x20]
   4:	911002b4 	add	x20, x21, #0x400
   8:	b4000496 	cbz	x22, 0x98
   c:	d343fec8 	lsr	x8, x22, #3
* 10:	38f36908 	ldrsb	w8, [x8, x19] <-- trapping instruction