Unable to handle kernel paging request at virtual address ffff7000166b71ff
KASAN: probably wild-memory-access in range [0xffff8000b35b8ff8-0xffff8000b35b8fff]
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, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000021b049000
[ffff7000166b71ff] pgd=0000000000000000, p4d=000000023ea12003, pud=000000023ea11003, pmd=100000013d3e7403, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6981 Comm: syz.4.582 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : fb_read_offset drivers/video/fbdev/core/sysmem.h:38 [inline]
pc : fb_bitblit drivers/video/fbdev/core/fb_imageblit.h:137 [inline]
pc : fb_bitmap1x_imageblit drivers/video/fbdev/core/fb_imageblit.h:275 [inline]
pc : fb_bitmap_imageblit drivers/video/fbdev/core/fb_imageblit.h:477 [inline]
pc : fb_imageblit drivers/video/fbdev/core/fb_imageblit.h:492 [inline]
pc : sys_imageblit+0xeb8/0x1758 drivers/video/fbdev/core/sysimgblt.c:24
lr : fb_read_offset drivers/video/fbdev/core/sysmem.h:38 [inline]
lr : fb_bitblit drivers/video/fbdev/core/fb_imageblit.h:137 [inline]
lr : fb_bitmap1x_imageblit drivers/video/fbdev/core/fb_imageblit.h:275 [inline]
lr : fb_bitmap_imageblit drivers/video/fbdev/core/fb_imageblit.h:477 [inline]
lr : fb_imageblit drivers/video/fbdev/core/fb_imageblit.h:492 [inline]
lr : sys_imageblit+0xeb4/0x1758 drivers/video/fbdev/core/sysimgblt.c:24
sp : ffff8000958f7180
x29: ffff8000958f7200 x28: dfff800000000000 x27: 0000000000000020
x26: ffff8000b35b8ff8 x25: 0000000000000007 x24: 0000000000000180
x23: ffff8000958f71e0 x22: 0000000000000180 x21: ffff0000c64b1680
x20: ffff8000958f71d8 x19: 0000000000000180 x18: 1fffe00034bb7428
x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220
x14: ffff0001a5dba14c x13: 0000000000000004 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000080000 x9 : 0000000000080000
x8 : 1ffff000166b71ff x7 : 0000000000000000 x6 : 0000000000000007
x5 : 0000000000000000 x4 : 0000000000000008 x3 : ffff800081dafe98
x2 : 0000000000000020 x1 : ffff0000f4d73a80 x0 : 0000000000000001
Call trace:
 fb_read_offset drivers/video/fbdev/core/sysmem.h:38 [inline] (P)
 fb_bitblit drivers/video/fbdev/core/fb_imageblit.h:137 [inline] (P)
 fb_bitmap1x_imageblit drivers/video/fbdev/core/fb_imageblit.h:275 [inline] (P)
 fb_bitmap_imageblit drivers/video/fbdev/core/fb_imageblit.h:477 [inline] (P)
 fb_imageblit drivers/video/fbdev/core/fb_imageblit.h:492 [inline] (P)
 sys_imageblit+0xeb8/0x1758 drivers/video/fbdev/core/sysimgblt.c:24 (P)
 drm_fbdev_shmem_defio_imageblit+0x38/0x144 drivers/gpu/drm/drm_fbdev_shmem.c:39
 cw_putcs_aligned drivers/video/fbdev/core/fbcon_cw.c:111 [inline]
 cw_putcs+0x69c/0x8bc drivers/video/fbdev/core/fbcon_cw.c:159
 fbcon_putcs+0x258/0x390 drivers/video/fbdev/core/fbcon.c:1392
 do_update_region+0x31c/0x3c8 drivers/tty/vt/vt.c:656
 redraw_screen+0x388/0x51c drivers/tty/vt/vt.c:1008
 vc_do_resize+0x884/0xbbc drivers/tty/vt/vt.c:1309
 __vc_resize+0x60/0x74 drivers/tty/vt/vt.c:1331
 vc_resize include/linux/vt_kern.h:49 [inline]
 fbcon_do_set_font+0x3d8/0x734 drivers/video/fbdev/core/fbcon.c:2435
 fbcon_set_font+0x4f0/0x6ac drivers/video/fbdev/core/fbcon.c:2518
 con_font_set drivers/tty/vt/vt.c:4992 [inline]
 con_font_op+0x98c/0xc6c drivers/tty/vt/vt.c:5032
 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:474 [inline]
 vt_ioctl+0x1664/0x1d4c drivers/tty/vt/vt_ioctl.c:745
 tty_ioctl+0x828/0xcb0 drivers/tty/tty_io.c:2792
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x154/0x1cc fs/ioctl.c:583
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590
Code: f9001ffa b40001bb 97a2931b d343ff48 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f9001ffa 	str	x26, [sp, #56]
   4:	b40001bb 	cbz	x27, 0x38
   8:	97a2931b 	bl	0xfffffffffe8a4c74
   c:	d343ff48 	lsr	x8, x26, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction