ERROR: (device loop1): remounting filesystem as read-only
ERROR: (device loop1): diWrite: ixpxd invalid
ERROR: (device loop1): txAbort: 
Unable to handle kernel paging request at virtual address dfff800000000000
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
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
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 8991 Comm: syz.1.361 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : metapage_write_folio+0xac/0xa74 fs/jfs/jfs_metapage.c:428
lr : metapage_write_folio+0x8c/0xa74 fs/jfs/jfs_metapage.c:425
sp : ffff80009ec37060
x29: ffff80009ec37120 x28: dfff800000000000 x27: ffff700013d86e14
x26: 1fffffbff8638936 x25: dfff800000000000 x24: ffff700013d86e30
x23: 0000000000000082 x22: fffffdffc31c49b4 x21: ffff80009ec371a0
x20: 0000000000000000 x19: fffffdffc31c4980 x18: 1fffe000337a0688
x17: ffff80008f7be000 x16: ffff80008af6de48 x15: 0000000000000001
x14: 1fffffbff8638936 x13: 0000000000000000 x12: 0000000000000000
x11: ffff7fbff8638937 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : ffff800081c0b740
x2 : 0000000000000001 x1 : ffff80009ec371a0 x0 : fffffdffc31c4980
Call trace:
 metapage_write_folio+0xac/0xa74 fs/jfs/jfs_metapage.c:428 (P)
 metapage_write_one+0x1cc/0x3d4 fs/jfs/jfs_metapage.c:818
 force_metapage+0x1c8/0x444 fs/jfs/jfs_metapage.c:840
 txForce fs/jfs/jfs_txnmgr.c:2215 [inline]
 txCommit+0x3758/0x3e00 fs/jfs/jfs_txnmgr.c:1315
 duplicateIXtree+0x238/0x3e8 fs/jfs/jfs_imap.c:3019
 diNewIAG fs/jfs/jfs_imap.c:2597 [inline]
 diAllocExt fs/jfs/jfs_imap.c:1905 [inline]
 diAllocAG+0x1434/0x1a84 fs/jfs/jfs_imap.c:1669
 diAlloc+0x17c/0x1630 fs/jfs/jfs_imap.c:1590
 ialloc+0x80/0x78c fs/jfs/jfs_inode.c:56
 jfs_mkdir+0x170/0x8b4 fs/jfs/namei.c:225
 vfs_mkdir+0x284/0x424 fs/namei.c:4366
 do_mkdirat+0x1f8/0x4c8 fs/namei.c:4399
 __do_sys_mkdirat fs/namei.c:4416 [inline]
 __se_sys_mkdirat fs/namei.c:4414 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4414
 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: aa1403e0 97c183ef f9400294 d343fe88 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1403e0 	mov	x0, x20
   4:	97c183ef 	bl	0xffffffffff060fc0
   8:	f9400294 	ldr	x20, [x20]
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction