REISERFS (device loop0): Using tea hash to sort names
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
===================================================================
Unable to handle kernel paging request at virtual address dfff800000000047
KASAN: null-ptr-deref in range [0x0000000000000238-0x000000000000023f]
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
[dfff800000000047] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4290 Comm: syz-executor215 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : scnprintf_block_head fs/reiserfs/prints.c:152 [inline]
pc : prepare_error_buf+0xe80/0x157c fs/reiserfs/prints.c:245
lr : prepare_error_buf+0x660/0x157c fs/reiserfs/prints.c:246
sp : ffff8000210e6bc0
x29: ffff8000210e6d40 x28: ffff80001cdd89b9 x27: ffff80001cdd7ab9
x26: ffff8000210e6e58 x25: ffff8000210e6e40 x24: ffff8000210e6ca0
x23: ffff80001cdd7aa0 x22: 0000000000000400 x21: ffff8000210e6e48
x20: 000000000000023e x19: dfff800000000000 x18: ffff8000210e68c0
x17: ffff800018b7e000 x16: ffff8000084f309c x15: 0000000000000000
x14: 000000000000007a x13: ffff0000de578000 x12: 0000000000ff0100
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008d89ca4
x8 : 0000000000000047 x7 : 20736e6961746e6f x6 : 6961746e6f632029
x5 : ffff80001cdd7ab9 x4 : ffff80001cdd89b9 x3 : ffff8000122e98a0
x2 : 000000000000000b x1 : 00000000ffffffc8 x0 : 00000000fffffff9
Call trace:
 scnprintf_block_head fs/reiserfs/prints.c:152 [inline]
 prepare_error_buf+0xe80/0x157c fs/reiserfs/prints.c:245
 reiserfs_printk+0xdc/0x134 fs/reiserfs/prints.c:312
 print_leaf fs/reiserfs/prints.c:496 [inline]
 print_block+0x34c/0x1508 fs/reiserfs/prints.c:626
 reiserfs_cut_from_item+0x1904/0x1c98 fs/reiserfs/stree.c:1726
 reiserfs_do_truncate+0x89c/0x11c8 fs/reiserfs/stree.c:1973
 reiserfs_truncate_file+0x510/0xb1c fs/reiserfs/inode.c:2310
 reiserfs_file_release+0x710/0x884 fs/reiserfs/file.c:109
 __fput+0x1c8/0x7c8 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x550/0x1a84 kernel/exit.c:871
 do_group_exit+0x194/0x22c kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1030
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 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: 97efac4d f9400288 9100a114 d343fe88 (38736908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97efac4d 	bl	0xffffffffffbeb134
   4:	f9400288 	ldr	x8, [x20]
   8:	9100a114 	add	x20, x8, #0x28
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	38736908 	ldrb	w8, [x8, x19] <-- trapping instruction