Unable
Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
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
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 99 Comm: jfsCommit 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 : write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
pc : lmLogSync+0x134/0x894 fs/jfs/jfs_logmgr.c:935
lr : write_special_inodes fs/jfs/jfs_logmgr.c:207 [inline]
lr : lmLogSync+0x110/0x894 fs/jfs/jfs_logmgr.c:935
sp : ffff80009b2a7b00
x29: ffff80009b2a7bd0 x28: 1ffff0001365b222 x27: dfff800000000000
x26: 1ffff00011fbeb68 x25: dfff800000000000 x24: ffff80009b2a7b20
x23: 0000000000000002 x22: ffff700013654f64 x21: 0000000000000030
x20: ffff0000f3334a38 x19: ffff0000d501a000 x18: 1fffe0003379be88
x17: ffff80008f7de000 x16: ffff80008af7a948 x15: 0000000000000002
x14: 0000000000000000 x13: ffff700013654f4a x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000ff0100 x9 : daf5a3f53187e000
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline] (P)
 lmLogSync+0x134/0x894 fs/jfs/jfs_logmgr.c:935 (P)
 jfs_syncpt+0x70/0x94 fs/jfs/jfs_logmgr.c:1041
 txEnd+0x290/0x4f0 fs/jfs/jfs_txnmgr.c:549
 txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline]
 jfs_lazycommit+0x4b4/0x94c fs/jfs/jfs_txnmgr.c:2733
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: 97c16b36 f94002a8 9100c115 d343fea8 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97c16b36 	bl	0xffffffffff05acd8
   4:	f94002a8 	ldr	x8, [x21]
   8:	9100c115 	add	x21, x8, #0x30
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction