ERROR: (device loop2): remounting filesystem as read-only
jfs_dirty_inode called on read-only volume
Is remount racy?
jfs_rename did not expect dtDelete to return rc = -2
ERROR: (device (efault)): txAbort: 
Unable to handle kernel paging request at virtual address dfff80000000000a
KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057]
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
[dfff80000000000a] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 8637 Comm: syz.2.328 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : sb_rdonly include/linux/fs.h:2427 [inline]
pc : jfs_handle_error fs/jfs/super.c:66 [inline]
pc : jfs_error+0x104/0x258 fs/jfs/super.c:98
lr : jfs_error+0xfc/0x258 fs/jfs/super.c:93
sp : ffff80009cd47580
x29: ffff80009cd47660 x28: ffff7000139a8ef0 x27: ffff80009cd47780
x26: dfff800000000000 x25: ffff80009cd475c0 x24: dfff800000000000
x23: ffff7000139a8eb8 x22: 000000000000000a x21: ffff80008b193120
x20: 0000000000000050 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff800080d8982c x16: ffff80008ad3f804 x15: 0000000000000001
x14: 1ffff000139a8dec x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000005597 x9 : e16ea6e96541dc00
x8 : e16ea6e96541dc00 x7 : ffff800080561378 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000024
Call trace:
 sb_rdonly include/linux/fs.h:2427 [inline] (P)
 jfs_handle_error fs/jfs/super.c:66 [inline] (P)
 jfs_error+0x104/0x258 fs/jfs/super.c:98 (P)
 txAbort+0x5ac/0x684 fs/jfs/jfs_txnmgr.c:2637
 jfs_rename+0xac0/0x13d4 fs/jfs/namei.c:1243
 vfs_rename+0x934/0xce0 fs/namei.c:5129
 do_renameat2+0x614/0x8c8 fs/namei.c:5278
 __do_sys_renameat2 fs/namei.c:5312 [inline]
 __se_sys_renameat2 fs/namei.c:5309 [inline]
 __arm64_sys_renameat2+0xd8/0xf4 fs/namei.c:5309
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: aa1e03e2 97ffac61 91014274 d343fe96 (38786ac8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1e03e2 	mov	x2, x30
   4:	97ffac61 	bl	0xfffffffffffeb188
   8:	91014274 	add	x20, x19, #0x50
   c:	d343fe96 	lsr	x22, x20, #3
* 10:	38786ac8 	ldrb	w8, [x22, x24] <-- trapping instruction