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: 0 UID: 0 PID: 6650 Comm: syz.1.14 Not tainted 6.15.0-rc6-syzkaller-ga82e92598ab1 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : diRead+0x354/0xa20 fs/jfs/jfs_imap.c:342
lr : diRead+0x2e0/0xa20 fs/jfs/jfs_imap.c:338
sp : ffff8000a0507530
x29: ffff8000a0507580 x28: dfff800000000000 x27: 0000000000000000
x26: 000000000000001c x25: ffff0000dd0066c8 x24: ffff0000c972884e
x23: 0000000000000034 x22: ffff0000f1055728 x21: ffff0000f137a018
x20: ffff0000f137a000 x19: 0000000000000005 x18: 1fffe0003386aa76
x17: ffff80008f31e000 x16: ffff80008adb98e4 x15: 0000000000000001
x14: 1fffe0001e20aa78 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000002ed0 x9 : ffff8000a5257000
x8 : 0000000000000006 x7 : ffff800081b95db4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000805163ac
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000020
Call trace:
 diRead+0x354/0xa20 fs/jfs/jfs_imap.c:342 (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:1817
 lookup_slow+0x5c/0x80 fs/namei.c:1834
 walk_component+0x270/0x364 fs/namei.c:2138
 lookup_last fs/namei.c:2636 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2660
 filename_lookup+0x1ac/0x454 fs/namei.c:2689
 user_path_at+0x50/0x74 fs/namei.c:3120
 do_sys_truncate+0xac/0x1a8 fs/open.c:136
 __do_sys_truncate fs/open.c:150 [inline]
 __se_sys_truncate fs/open.c:148 [inline]
 __arm64_sys_truncate+0x5c/0x74 fs/open.c:148
 __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: 97c3398c f94002e8 9100d117 d343fee8 (38fc6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97c3398c 	bl	0xffffffffff0ce630
   4:	f94002e8 	ldr	x8, [x23]
   8:	9100d117 	add	x23, x8, #0x34
   c:	d343fee8 	lsr	x8, x23, #3
* 10:	38fc6908 	ldrsb	w8, [x8, x28] <-- trapping instruction