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
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6067 Comm: syz.2.218 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 03400005 (nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : subdev_open+0x170/0x318 drivers/media/v4l2-core/v4l2-subdev.c:115
lr : subdev_open+0x118/0x318 drivers/media/v4l2-core/v4l2-subdev.c:113
sp : ffff8000989c7630
x29: ffff8000989c7630 x28: dfff800000000000 x27: 1fffe00019941215
x26: ffff0000cca090a8 x25: ffff0000cfd87538 x24: dfff800000000000
x23: ffff0000cca09000 x22: 0000000000000000 x21: ffff0000cbbe1020
x20: ffff0000cfd87400 x19: ffff0000d33576c0 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000
x11: ffff80008015709c x10: 0000000000000001 x9 : dfff800000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080157144
x2 : 0000000000000000 x1 : ffff0000c92c0000 x0 : 0000000000000001
Call trace:
 subdev_open+0x170/0x318 drivers/media/v4l2-core/v4l2-subdev.c:115 (P)
 v4l2_open+0x198/0x338 drivers/media/v4l2-core/v4l2-dev.c:433
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c4/0xfc0 fs/open.c:947
 vfs_open+0x44/0x2dc fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x21fc/0x2a60 fs/namei.c:4863
 do_file_open+0x1c8/0x2e8 fs/namei.c:4892
 do_sys_openat2+0x114/0x1e8 fs/open.c:1368
 do_sys_open+0xb0/0xe0 fs/open.c:1374
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __arm64_sys_openat+0xa8/0xc4 fs/open.c:1385
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:738
 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:757
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590
Code: aa1503e0 97461dd9 f94002b6 d343fec8 (38786908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1503e0 	mov	x0, x21
   4:	97461dd9 	bl	0xfffffffffd187768
   8:	f94002b6 	ldr	x22, [x21]
   c:	d343fec8 	lsr	x8, x22, #3
* 10:	38786908 	ldrb	w8, [x8, x24] <-- trapping instruction