loop1: detected capacity change from 0 to 2048
Unable to handle kernel paging request at virtual address dfff800000000031
KASAN: null-ptr-deref in range [0x0000000000000188-0x000000000000018f]
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
[dfff800000000031] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 8820 Comm: syz.1.351 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0xfc/0x779c kernel/locking/lockdep.c:5007
lr : lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
sp : ffff80009acb7540
x29: ffff80009acb7800 x28: ffff800080d89a40 x27: 0000000000000001
x26: ffff0001b3cf4040 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: 1ffff00011ea20a1 x21: 0000000000000188
x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80008301a8cc x15: 0000000000000005
x14: 1ffff00013596f88 x13: dfff800000000000 x12: ffff700013596ed0
x11: ffff800080349378 x10: ffff80008f51050c x9 : 00000000000000f3
x8 : 0000000000000031 x7 : ffff800080d89a40 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000188
Call trace:
 __lock_acquire+0xfc/0x779c kernel/locking/lockdep.c:5007
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
 down_read_killable+0x64/0x338 kernel/locking/rwsem.c:1549
 mmap_read_lock_killable include/linux/mmap_lock.h:153 [inline]
 do_pagemap_scan fs/proc/task_mmu.c:2771 [inline]
 do_pagemap_cmd+0x8d8/0x1240 fs/proc/task_mmu.c:2824
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893
 __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+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: f0078e28 b9450d08 34008c88 d343fea8 (386d6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f0078e28 	adrp	x8, 0xf1c7000
   4:	b9450d08 	ldr	w8, [x8, #1292]
   8:	34008c88 	cbz	w8, 0x1198
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	386d6908 	ldrb	w8, [x8, x13] <-- trapping instruction