Unable to handle kernel paging request at virtual address ffff700004ba337c
KASAN: maybe wild-memory-access in range [0xffff800025d19be0-0xffff800025d19be7]
Mem abort info:
  ESR = 0x0000000096000007
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000007
  CM = 0, WnR = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020bbcc000
[ffff700004ba337c] pgd=000000023ea51003, p4d=000000023ea51003, pud=000000023ea50003, pmd=100000010e560003, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4835 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
Workqueue: events_power_efficient fb_flashcursor
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:257 [inline]
pc : sys_imageblit+0x1328/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
lr : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:240 [inline]
lr : sys_imageblit+0xed4/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
sp : ffff8000227f7660
x29: ffff8000227f77a0 x28: 0000000000000001 x27: ffff800025d19be0
x26: ffff0000ced284d1 x25: 1fffe00019da509a x24: ffff800025d19be0
x23: ffff800025d19be0 x22: 0000000000000000 x21: ffff8000227f7720
x20: 0000000000000001 x19: ffff0000ced284d0 x18: 1fffe00033c1877e
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000004 x13: 0000000000ff0100 x12: ffff8000171a5c98
x11: dfff800000000000 x10: 0000000000000000 x9 : 1ffff00004ba337c
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000ced02660 x4 : 0000000000000000 x3 : ffff80000af09b98
x2 : ffffffffffffffc0 x1 : ffff8000171a5c70 x0 : 0000000000000001
Call trace:
 fast_imageblit drivers/video/fbdev/core/sysimgblt.c:257 [inline]
 sys_imageblit+0x1328/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
 drm_fb_helper_sys_imageblit+0x40/0x464 drivers/gpu/drm/drm_fb_helper.c:864
 drm_fbdev_fb_imageblit+0x170/0x1dc drivers/gpu/drm/drm_fb_helper.c:2402
 soft_cursor+0x53c/0x6c4 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x110c/0x18d0 drivers/video/fbdev/core/bitblit.c:409
 fb_flashcursor+0x35c/0x534 drivers/video/fbdev/core/fbcon.c:385
 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292
 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: aa1703fb d343ff09 f90043f3 0a481f8a (38eb6928) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	aa1703fb 	mov	x27, x23
   4:	d343ff09 	lsr	x9, x24, #3
   8:	f90043f3 	str	x19, [sp, #128]
   c:	0a481f8a 	and	w10, w28, w8, lsr #7
* 10:	38eb6928 	ldrsb	w8, [x9, x11] <-- trapping instruction