REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 1)
REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 1)
Unable to handle kernel paging request at virtual address dfff80001fffffff
KASAN: probably user-memory-access in range [0x00000000fffffff8-0x00000000ffffffff]
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
[dfff80001fffffff] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 7032 Comm: syz.0.28 Not tainted 6.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
pc : prepare_error_buf+0x6d0/0x157c fs/reiserfs/prints.c:229
lr : prepare_error_buf+0x430/0x157c fs/reiserfs/prints.c:230
sp : ffff8000a33371c0
x29: ffff8000a3337340 x28: ffff800095d244de x27: ffff800095d235de
x26: ffff8000a3337438 x25: ffff8000a3337420 x24: ffff8000a33372a0
x23: ffff800095d235c0 x22: 00000000ffffffff x21: ffffffffffffffe2
x20: 00000000000003e2 x19: dfff800000000000 x18: 1ffff000137b5a05
x17: 0000000000000000 x16: ffff8000805799e4 x15: 0000000000000003
x14: 0000000000000000 x13: 000000000000007a x12: ffff0000caa39e40
x11: ffff80008ad7fb40 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20
x5 : ffff800095d235de x4 : ffff800095d244de x3 : ffff80008aa9d5a8
x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000fffffff9
Call trace:
 scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
 prepare_error_buf+0x6d0/0x157c fs/reiserfs/prints.c:229
 __reiserfs_error+0xe8/0x2ac fs/reiserfs/prints.c:396
 reiserfs_do_truncate+0x2bc/0x10f8 fs/reiserfs/stree.c:1928
 reiserfs_truncate_file+0x4a4/0xa00 fs/reiserfs/inode.c:2301
 reiserfs_truncate_failed_write fs/reiserfs/inode.c:2732 [inline]
 reiserfs_write_begin+0x548/0x6c8 fs/reiserfs/inode.c:2798
 generic_perform_write+0x29c/0x868 mm/filemap.c:4054
 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4155
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4181
 new_sync_write fs/read_write.c:590 [inline]
 vfs_write+0x920/0xcf4 fs/read_write.c:683
 ksys_write+0x15c/0x26c fs/read_write.c:736
 __do_sys_write fs/read_write.c:748 [inline]
 __se_sys_write fs/read_write.c:745 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:745
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 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: f9400296 911002b4 b4000496 d343fec8 (38f36908) 
---[ end trace 0000000000000000 ]---
----------------
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