Unable to handle kernel paging request at virtual address dfff800000000104
KASAN: null-ptr-deref in range [0x0000000000000820-0x0000000000000827]
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
[dfff800000000104] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6816 Comm: syz.2.40 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: 03400005 (nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : diIAGRead fs/jfs/jfs_imap.c:2665 [inline]
pc : diRead+0x13c/0xa20 fs/jfs/jfs_imap.c:316
lr : diRead+0x118/0xa20 fs/jfs/jfs_imap.c:314
sp : ffff80009f597530
x29: ffff80009f597580 x28: dfff800000000000 x27: 1fffe0001ba59da7
x26: ffff0000fa1b4e18 x25: 1ffff00011fba9f0 x24: 0000000000000820
x23: ffff0000df1f1338 x22: ffff0000df1f16a0 x21: ffff0000fa1b4e30
x20: 0000000000000000 x19: 0000000000000004 x18: 00000000ffffffff
x17: ffff800093507000 x16: ffff80008b007230 x15: 0000000000000001
x14: 1fffe0001be3e268 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001be3e269 x10: 0000000000000001 x9 : 0000000000000000
x8 : 0000000000000104 x7 : ffff800080491074 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000805241a8
x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000001
Call trace:
 diIAGRead fs/jfs/jfs_imap.c:2665 [inline] (P)
 diRead+0x13c/0xa20 fs/jfs/jfs_imap.c:316 (P)
 jfs_iget+0x80/0x388 fs/jfs/inode.c:35
 jfs_lookup+0x198/0x32c fs/jfs/namei.c:1469
 __lookup_slow+0x254/0x378 fs/namei.c:1808
 lookup_slow+0x5c/0x80 fs/namei.c:1825
 walk_component+0x270/0x364 fs/namei.c:2129
 lookup_last fs/namei.c:2630 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2654
 filename_lookup+0x1ac/0x454 fs/namei.c:2683
 user_path_at+0x50/0x74 fs/namei.c:3127
 do_sys_truncate+0xac/0x1a8 fs/open.c:139
 __do_sys_truncate fs/open.c:153 [inline]
 __se_sys_truncate fs/open.c:151 [inline]
 __arm64_sys_truncate+0x5c/0x74 fs/open.c:151
 __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: 97c26949 f9400314 91208298 d343ff08 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97c26949 	bl	0xffffffffff09a524
   4:	f9400314 	ldr	x20, [x24]
   8:	91208298 	add	x24, x20, #0x820
   c:	d343ff08 	lsr	x8, x24, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction