Unable to handle kernel paging request at virtual address ffff700008a07200
KASAN: maybe wild-memory-access in range [0xffff800045039000-0xffff800045039007]
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=000000020bb8e000
[ffff700008a07200] pgd=000000023ea51003, p4d=000000023ea51003, pud=000000023ea50003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4869 Comm: syz.3.94 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
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 : ffff800023807020
x29: ffff800023807170 x28: 0000000000000001 x27: ffff800045039000
x26: ffff0000ce7c8601 x25: 1fffe00019cf90c0 x24: ffff800045039000
x23: ffff800045039000 x22: 0000000000000000 x21: ffff8000238070e0
x20: 0000000000000001 x19: ffff0000ce7c8600 x18: 1fffe00033c2177e
x17: ffff80000ae71274 x16: ffff800011ba16d0 x15: 0000000000000002
x14: 0000000000000004 x13: 0000000000ff0100 x12: ffff80001715a5b8
x11: dfff800000000000 x10: 0000000000000000 x9 : 1ffff00008a07200
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000007
x5 : 000000000000005f x4 : 0000000000000000 x3 : ffff80000aeba35c
x2 : ffffffffffffffc0 x1 : ffff80001715a590 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
 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:1299
 do_update_region+0x40c/0x554 drivers/tty/vt/vt.c:676
 invert_screen+0x838/0x99c drivers/tty/vt/vt.c:800
 highlight drivers/tty/vt/selection.c:57 [inline]
 clear_selection+0x68/0x88 drivers/tty/vt/selection.c:85
 vc_do_resize+0x3f8/0x1154 drivers/tty/vt/vt.c:1259
 vc_resize+0x58/0x6c drivers/tty/vt/vt.c:1364
 fbcon_modechanged+0x644/0xf5c drivers/video/fbdev/core/fbcon.c:2719
 fbcon_update_vcs+0x3c/0x4c drivers/video/fbdev/core/fbcon.c:2775
 fb_set_var_from_user drivers/video/fbdev/core/fbmem.c:1090 [inline]
 do_fb_ioctl+0xa80/0xc8c drivers/video/fbdev/core/fbmem.c:1144
 fb_ioctl+0xec/0x134 drivers/video/fbdev/core/fbmem.c:1221
 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+0x58/0x12c 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:589
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