Unable to handle kernel paging request at virtual address ffff700012978600
KASAN: probably wild-memory-access in range [0xffff800094bc3000-0xffff800094bc3007]
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=000000021ae49000
[ffff700012978600] pgd=0000000000000000, p4d=000000023ea12003, pud=000000023ea11003, pmd=1000000106c7b403, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 8260 Comm: syz.3.711 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : fb_write_offset drivers/video/fbdev/core/sysmem.h:30 [inline]
pc : bitfill drivers/video/fbdev/core/fb_fillrect.h:133 [inline]
pc : fb_fillrect_static drivers/video/fbdev/core/fb_fillrect.h:219 [inline]
pc : fb_fillrect drivers/video/fbdev/core/fb_fillrect.h:278 [inline]
pc : sys_fillrect+0x16a4/0x1aac drivers/video/fbdev/core/sysfillrect.c:24
lr : bitfill drivers/video/fbdev/core/fb_fillrect.h:132 [inline]
lr : fb_fillrect_static drivers/video/fbdev/core/fb_fillrect.h:219 [inline]
lr : fb_fillrect drivers/video/fbdev/core/fb_fillrect.h:278 [inline]
lr : sys_fillrect+0x1684/0x1aac drivers/video/fbdev/core/sysfillrect.c:24
sp : ffff800093b57140
x29: ffff800093b57180 x28: ffffffffffffffff x27: ffff800094bc3000
x26: 0000000000000004 x25: 0000000000000180 x24: 0000000000000004
x23: 0000000000000006 x22: 0000000000000000 x21: 0007000000070000
x20: ffff800094bc3000 x19: dfff800000000000 x18: 1fffe00034bb7428
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000001 x13: 0000000000000003 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000080000 x9 : 0000000000000000
x8 : 1ffff00012978600 x7 : 0000000000000000 x6 : 0000000000000007
x5 : 0000000000000060 x4 : 0000000000000000 x3 : ffff800081dad01c
x2 : 0000000000000180 x1 : ffff0000f37bba80 x0 : 0000000000000000
Call trace:
 fb_write_offset drivers/video/fbdev/core/sysmem.h:30 [inline] (P)
 bitfill drivers/video/fbdev/core/fb_fillrect.h:133 [inline] (P)
 fb_fillrect_static drivers/video/fbdev/core/fb_fillrect.h:219 [inline] (P)
 fb_fillrect drivers/video/fbdev/core/fb_fillrect.h:278 [inline] (P)
 sys_fillrect+0x16a4/0x1aac drivers/video/fbdev/core/sysfillrect.c:24 (P)
 drm_fbdev_shmem_defio_fillrect+0x38/0x144 drivers/gpu/drm/drm_fbdev_shmem.c:39
 bit_clear+0x134/0x1cc drivers/video/fbdev/core/bitblit.c:72
 __fbcon_clear+0x38c/0x648 drivers/video/fbdev/core/fbcon.c:1375
 fbcon_scroll+0x270/0x464 drivers/video/fbdev/core/fbcon.c:-1
 con_scroll+0x18c/0x330 drivers/tty/vt/vt.c:616
 csi_M drivers/tty/vt/vt.c:2191 [inline]
 csi_ECMA+0xea8/0x3074 drivers/tty/vt/vt.c:2614
 do_con_trol drivers/tty/vt/vt.c:-1 [inline]
 do_con_write+0x315c/0x4264 drivers/tty/vt/vt.c:3325
 con_write+0x34/0x58 drivers/tty/vt/vt.c:3661
 process_output_block drivers/tty/n_tty.c:557 [inline]
 n_tty_write+0x994/0xd90 drivers/tty/n_tty.c:2366
 iterate_tty_write drivers/tty/tty_io.c:1006 [inline]
 file_tty_write+0x3dc/0x66c drivers/tty/tty_io.c:1081
 tty_write+0x44/0x54 drivers/tty/tty_io.c:1102
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __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: f94013f5 8b384e9b 2a1a03f8 d343ff68 (38736908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f94013f5 	ldr	x21, [sp, #32]
   4:	8b384e9b 	add	x27, x20, w24, uxtw #3
   8:	2a1a03f8 	mov	w24, w26
   c:	d343ff68 	lsr	x8, x27, #3
* 10:	38736908 	ldrb	w8, [x8, x19] <-- trapping instruction