ERROR: (device loop4): diWrite: ixpxd invalid
ERROR: (device loop4): 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: 7393 Comm: syz.4.165 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (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 : ffff8000a3b37060
x29: ffff8000a3b37120 x28: dfff800000000000 x27: ffff700014766e14
x26: 1fffffbff87d966e x25: dfff800000000000 x24: ffff700014766e30
x23: 0000000000000083 x22: fffffdffc3ecb374 x21: ffff8000a3b371a0
x20: 0000000000000000 x19: fffffdffc3ecb340 x18: 1fffe000337dc876
x17: ffff80008f62e000 x16: ffff80008ae33808 x15: 0000000000000001
x14: 1fffffbff87d966e x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000000c03e x9 : ffff8000a5fbe000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : ffff800081bc50e8
x2 : 0000000000000001 x1 : ffff8000a3b371a0 x0 : fffffdffc3ecb340
Call trace:
 metapage_write_folio+0xac/0xa74 fs/jfs/jfs_metapage.c:428 (P)
 metapage_write_one+0x1c4/0x3c8 fs/jfs/jfs_metapage.c:816
 force_metapage+0x1c8/0x444 fs/jfs/jfs_metapage.c:838
 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+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: aa1403e0 97c1dfc8 f9400294 d343fe88 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1403e0 	mov	x0, x20
   4:	97c1dfc8 	bl	0xffffffffff077f24
   8:	f9400294 	ldr	x20, [x20]
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction