REISERFS warning (device loop6): vs-13060 reiserfs_update_sd_size: stat data of object [2 5 0x0 SD] (nlink == 1) not found (pos 1)
REISERFS warning (device loop6): 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
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: 1 PID: 5992 Comm: syz.6.319 Not tainted 5.15.171-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 : ffff800020707120
x29: ffff8000207072a0 x28: ffff80001b85d91e x27: ffff80001b85ca1e
x26: ffff800020707398 x25: ffff800020707380 x24: ffff800020707200
x23: ffff80001b85ca00 x22: 00000000ffffffff x21: ffffffffffffffe2
x20: 00000000000003e2 x19: dfff800000000000 x18: 0000000000000001
x17: 0000000000000002 x16: ffff800008ccc5a4 x15: 000000000000007a
x14: ffff0000c81a1b40 x13: 0000000000ff0100 x12: 0000000000040000
x11: 000000000003ffff x10: ffff800026bcb000 x9 : 0000000000040000
x8 : 000000001fffffff x7 : 20726f6620686372 x6 : 7261657320666f20
x5 : ffff80001b85ca1e x4 : ffff80001b85d91e x3 : ffff80000ab88c14
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_truncate_failed_write fs/reiserfs/inode.c:2751 [inline]
 reiserfs_write_begin+0x548/0x654 fs/reiserfs/inode.c:2823
 pagecache_write_begin+0xa0/0xc0 mm/filemap.c:3608
 generic_cont_expand_simple+0x12c/0x208 fs/buffer.c:2362
 reiserfs_setattr+0x37c/0xd94 fs/reiserfs/inode.c:3319
 notify_change+0xa34/0xcf8 fs/attr.c:505
 do_truncate+0x1c0/0x28c fs/open.c:65
 do_sys_ftruncate+0x288/0x31c fs/open.c:193
 __do_sys_ftruncate fs/open.c:204 [inline]
 __se_sys_ftruncate fs/open.c:202 [inline]
 __arm64_sys_ftruncate+0x60/0x74 fs/open.c:202
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 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 28ca75e43b383fa6 ]---
----------------
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