Unable to handle kernel paging request at virtual address dfff800000000032
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
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
[dfff800000000032] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 23318 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005
lr : lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
sp : ffff80009bd97540
x29: ffff80009bd97800 x28: ffff800080cee5e8 x27: ffff7000137b2f18
x26: 1ffff00011d9408a x25: 0000000000000000 x24: 0000000000000001
x23: ffff7000137b2ed0 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: 0000000000000190 x18: 0000000000000000
x17: ffff80008005fa20 x16: ffff80008ad6b1c0 x15: 0000000000000005
x14: 1ffff000137b2f88 x13: ffff80009bd97680 x12: dfff800000000000
x11: ffff800080324a54 x10: ffff80008eca0454 x9 : 00000000000000f3
x8 : 0000000000000032 x7 : ffff800080cee5e8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000190
Call trace:
 __lock_acquire+0x104/0x763c kernel/locking/lockdep.c:5005
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
 down_read_killable+0x64/0x338 kernel/locking/rwsem.c:1549
 mmap_read_lock_killable include/linux/mmap_lock.h:155 [inline]
 do_pagemap_scan fs/proc/task_mmu.c:2460 [inline]
 do_pagemap_cmd+0x8d8/0x1240 fs/proc/task_mmu.c:2513
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: f00750e8 b945c108 34000208 d343fe68 (386c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f00750e8 	adrp	x8, 0xea1f000
   4:	b945c108 	ldr	w8, [x8, #1472]
   8:	34000208 	cbz	w8, 0x48
   c:	d343fe68 	lsr	x8, x19, #3
* 10:	386c6908 	ldrb	w8, [x8, x12] <-- trapping instruction