Unable to handle kernel paging request at virtual address dfff800000000104
KASAN: null-ptr-deref in range [0x0000000000000820-0x0000000000000827]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000104] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4954 Comm: syz.1.128 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
pstate: 02400005 (nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : diIAGRead fs/jfs/jfs_imap.c:2665 [inline]
pc : diRead+0x12c/0xa14 fs/jfs/jfs_imap.c:316
lr : diRead+0x124/0xa14 fs/jfs/jfs_imap.c:315
sp : ffff8000227d7560
x29: ffff8000227d75a0 x28: ffff0000cf520e00 x27: 1fffe0001d4d877b
x26: dfff800000000000 x25: 0000000000000000 x24: ffff8000158e7000
x23: 0000000000000004 x22: ffff0000ea6c3bf0 x21: 0000000000000820
x20: ffff0000f7197330 x19: ffff0000ea6c3bb0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011b3e320 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe0001ee32dfa x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000001 x9 : 0000000000000000
x8 : 0000000000000104 x7 : ffff8000098aa1e4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d6bc4
x2 : 0000000000000001 x1 : 0000000000000008 x0 : 0000000000000001
Call trace:
 diIAGRead fs/jfs/jfs_imap.c:2665 [inline]
 diRead+0x12c/0xa14 fs/jfs/jfs_imap.c:316
 jfs_iget+0x88/0x400 fs/jfs/inode.c:35
 jfs_lookup+0x1c0/0x378 fs/jfs/namei.c:1469
 lookup_open fs/namei.c:3468 [inline]
 open_last_lookups fs/namei.c:3558 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3788
 do_filp_open+0x198/0x38c fs/namei.c:3818
 do_sys_openat2+0x134/0x3fc fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __arm64_sys_openat+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 52800021 97a8b219 91208335 d343fea8 (387a6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	52800021 	mov	w1, #0x1                   	// #1
   4:	97a8b219 	bl	0xfffffffffea2c868
   8:	91208335 	add	x21, x25, #0x820
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387a6908 	ldrb	w8, [x8, x26] <-- trapping instruction