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: 5566 Comm: syz.1.38 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
pc : prepare_error_buf+0x73c/0x1790 fs/reiserfs/prints.c:229
lr : prepare_error_buf+0x470/0x1790 fs/reiserfs/prints.c:230
sp : ffff800020557260
x29: ffff8000205573e0 x28: ffff80001aef271e x27: dfff800000000000
x26: ffff800020557460 x25: 00000000ffffffff x24: ffff80001aef181e
x23: 000000000000004b x22: ffff800020557478 x21: ffff800020557440
x20: ffffffffffffffe2 x19: ffff80001448cc20 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800008bec14c x15: 000000000000007a
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff800008bec374
x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20
x5 : ffff80001aef181e x4 : ffff80001aef271e x3 : ffff80000a91a844
x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : ffff800020557468
Call trace:
 scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
 prepare_error_buf+0x73c/0x1790 fs/reiserfs/prints.c:229
 __reiserfs_error+0xd0/0x28c fs/reiserfs/prints.c:396
 reiserfs_do_truncate+0x3a8/0x1020 fs/reiserfs/stree.c:1930
 reiserfs_truncate_file+0x328/0x6e4 fs/reiserfs/inode.c:2318
 reiserfs_file_release+0x710/0x894 fs/reiserfs/file.c:109
 __fput+0x1c0/0x7f8 fs/file_table.c:311
 ____fput+0x20/0x30 fs/file_table.c:339
 task_work_run+0x12c/0x1e0 kernel/task_work.c:188
 get_signal+0x1240/0x1340 kernel/signal.c:2672
 do_signal arch/arm64/kernel/signal.c:893 [inline]
 do_notify_resume+0x35c/0x3128 arch/arm64/kernel/signal.c:946
 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+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f94002b9 cb180294 b40004b9 d343ff28 (38fb6908) 
---[ end trace b34078722d8f74a9 ]---
----------------
Code disassembly (best guess):
   0:	f94002b9 	ldr	x25, [x21]
   4:	cb180294 	sub	x20, x20, x24
   8:	b40004b9 	cbz	x25, 0x9c
   c:	d343ff28 	lsr	x8, x25, #3
* 10:	38fb6908 	ldrsb	w8, [x8, x27] <-- trapping instruction