BUG: unable to handle kernel paging request at ffff8880ffd02b00
PGD c401067 P4D c401067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19993 Comm: syz-executor.1 Not tainted 4.19.109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline]
RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260
Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 de c0 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10
RSP: 0018:ffff888032e47560 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc90008097000
RDX: 0000000000000000 RSI: ffff8880ffd02b00 RDI: ffff888095ab4094
RBP: ffff888095ab4084 R08: ffff88808acec4c0 R09: ffffed1012b5681c
R10: ffffed1012b5681b R11: 0000000000000000 R12: 0000000000000000
R13: ffff8882196e9592 R14: 0000000000000001 R15: ffff888095ab4080
FS:  00007fdef993d700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ffd02b00 CR3: 0000000079272000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 soft_cursor+0x511/0xa20 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x1230/0x1900 drivers/video/fbdev/core/bitblit.c:386
 fbcon_cursor+0x572/0x760 drivers/video/fbdev/core/fbcon.c:1369
 hide_cursor+0x99/0x2f0 drivers/tty/vt/vt.c:895
 redraw_screen+0x2ed/0x870 drivers/tty/vt/vt.c:999
 vc_do_resize+0x109e/0x13a0 drivers/tty/vt/vt.c:1298
 vt_ioctl+0x1dff/0x2310 drivers/tty/vt/vt_ioctl.c:891
 tty_ioctl+0x7a1/0x1420 drivers/tty/tty_io.c:2669
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcda/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c849
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdef993cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdef993d6d4 RCX: 000000000045c849
RDX: 0000000020000040 RSI: 000000000000560a RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000066b R14: 00000000004c93fd R15: 000000000076bf0c
Modules linked in:
CR2: ffff8880ffd02b00
---[ end trace dfc6c050a5c2b6f9 ]---
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1168 [inline]
RIP: 0010:vga16fb_imageblit+0xa5b/0x2210 drivers/video/fbdev/vga16fb.c:1260
Code: 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 de c0 23 fe 41 8b 47 14 48 8b 74 24 08 <88> 06 0f ae e8 8a 06 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 10
RSP: 0018:ffff888032e47560 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc90008097000
RDX: 0000000000000000 RSI: ffff8880ffd02b00 RDI: ffff888095ab4094
RBP: ffff888095ab4084 R08: ffff88808acec4c0 R09: ffffed1012b5681c
R10: ffffed1012b5681b R11: 0000000000000000 R12: 0000000000000000
R13: ffff8882196e9592 R14: 0000000000000001 R15: ffff888095ab4080
FS:  00007fdef993d700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880ffd02b00 CR3: 0000000079272000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400