Unable to handle kernel paging request at virtual address ffff7000088bf200
KASAN: maybe wild-memory-access in range [0xffff8000445f9000-0xffff8000445f9007]
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
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020dd2e000
[ffff7000088bf200] pgd=000000023ea48003, p4d=000000023ea48003, pud=000000023ea47003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5294 Comm: syz.3.176 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:276 [inline]
pc : sys_imageblit+0x188c/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
lr : fast_imageblit drivers/video/fbdev/core/sysimgblt.c:276 [inline]
lr : sys_imageblit+0x1864/0x1d10 drivers/video/fbdev/core/sysimgblt.c:323
sp : ffff800021d76ea0
x29: ffff800021d76ff0 x28: 0000000000000001 x27: ffff8000445f9000
x26: ffff0000ce770000 x25: 0000000000000007 x24: 0000000000000008
x23: 0000000000000001 x22: ffff8000445f9000 x21: ffff800021d76f60
x20: 0000000000000000 x19: dfff800000000000 x18: 1fffe00033e7697e
x17: ffff80001537d000 x16: ffff800011b90080 x15: 0000000000000002
x14: 0000000000000004 x13: 0000000000ff0100 x12: 0000000000080000
x11: 000000000004b357 x10: dfff800000000000 x9 : ffff80000aefb014
x8 : 1ffff000088bf200 x7 : 0000000000000000 x6 : 0000000000000007
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80000aefa524
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : 0000000000000010
Call trace:
 fast_imageblit drivers/video/fbdev/core/sysimgblt.c:-1 [inline]
 sys_imageblit+0x188c/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
 ccw_putcs_aligned drivers/video/fbdev/core/fbcon_ccw.c:125 [inline]
 ccw_putcs+0x6ac/0x8d0 drivers/video/fbdev/core/fbcon_ccw.c:175
 fbcon_putcs+0x30c/0x4b8 drivers/video/fbdev/core/fbcon.c:1300
 do_update_region+0x40c/0x554 drivers/tty/vt/vt.c:676
 redraw_screen+0x78c/0xcc0 drivers/tty/vt/vt.c:1035
 vc_do_resize+0xc98/0x1154 drivers/tty/vt/vt.c:1342
 vc_resize+0x58/0x6c drivers/tty/vt/vt.c:1362
 fbcon_do_set_font+0x7c8/0x16ac drivers/video/fbdev/core/fbcon.c:2446
 fbcon_set_font+0x9c0/0xcbc drivers/video/fbdev/core/fbcon.c:2571
 con_font_set drivers/tty/vt/vt.c:4678 [inline]
 con_font_op+0x910/0xc38 drivers/tty/vt/vt.c:4724
 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline]
 vt_ioctl+0x1918/0x1fe0 drivers/tty/vt/vt_ioctl.c:752
 tty_ioctl+0x8a0/0xd88 drivers/tty/tty_io.c:2776
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __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: d343ff68 d2d00013 b9400294 f2fbfff3 (38ea6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d343ff68 	lsr	x8, x27, #3
   4:	d2d00013 	mov	x19, #0x800000000000        	// #140737488355328
   8:	b9400294 	ldr	w20, [x20]
   c:	f2fbfff3 	movk	x19, #0xdfff, lsl #48
* 10:	38ea6908 	ldrsb	w8, [x8, x10] <-- trapping instruction