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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 00000000ffffffff
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
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000011e948000
[00000000ffffffff] pgd=080000011d5d9003, p4d=080000011d5d9003, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4457 Comm: syz.0.17 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+0x790/0x1850 fs/reiserfs/prints.c:229
lr : prepare_error_buf+0x4a4/0x1850 fs/reiserfs/prints.c:230
sp : ffff800020d87360
x29: ffff800020d874e0 x28: ffffffffffffffe2 x27: ffff80001c4539fe
x26: ffff800020d873e0 x25: 00000000ffffffff x24: ffff80001c452afe
x23: 000000000000004b x22: ffff800020d87560 x21: ffff800020d87540
x20: ffff80001540dd80 x19: dfff800000000000 x18: ffff800011abbcc0
x17: ffff8000181f9000 x16: ffff8000082e763c x15: 0000000000000000
x14: 000000000000007a x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff00800008ca4150 x10: 0000000000000000 x9 : ffff800008ca4150
x8 : 0000000000000000 x7 : 20726f6620686372 x6 : 7261657320666f20
x5 : ffff80001c452afe x4 : ffff80001c4539fe x3 : ffff800011851ad8
x2 : 000000000000000f x1 : 00000000ffffffe0 x0 : 00000000ffffffff
Call trace:
 scnprintf_cpu_key fs/reiserfs/prints.c:95 [inline]
 prepare_error_buf+0x790/0x1850 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+0x5c0/0xaf4 fs/reiserfs/inode.c:2310
 reiserfs_setattr+0xac4/0xf7c fs/reiserfs/inode.c:3395
 notify_change+0xb0c/0xdcc fs/attr.c:499
 do_truncate+0x178/0x1f0 fs/open.c:65
 do_sys_ftruncate+0x284/0x31c 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+0x98/0x2bc 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+0x58/0x138 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: d343ff28 38f36908 35005d08 aa1903e0 (b8404408) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d343ff28 	lsr	x8, x25, #3
   4:	38f36908 	ldrsb	w8, [x8, x19]
   8:	35005d08 	cbnz	w8, 0xba8
   c:	aa1903e0 	mov	x0, x25
* 10:	b8404408 	ldr	w8, [x0], #4 <-- trapping instruction