BUG: unable to handle kernel paging request at ffff8880010a007f
PGD de01067 P4D de01067 PUD de02067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 28926 Comm: syz-executor.5 Not tainted 4.19.155-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+0xa85/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 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 97 e8 f2 fd 48 8b 04 24 48 8b 7c 24 10 8b 40 14 <88> 07 0f ae e8 8a 07 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 90
RSP: 0018:ffff88804f6ff090 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc90010598000
RDX: 0000000000000000 RSI: ffffffff83a80bba RDI: ffff8880010a007f
RBP: ffff88804f6ff224 R08: 0000000000100003 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888238c6e508
R13: ffff888238c75650 R14: ffff88804f6ff240 R15: 0000000000000001
FS:  00007ff395352700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880010a007f CR3: 00000000b374c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline]
 bit_putcs+0x6e2/0xd10 drivers/video/fbdev/core/bitblit.c:188
 fbcon_putcs+0x336/0x4f0 drivers/video/fbdev/core/fbcon.c:1269
 do_update_region+0x399/0x630 drivers/tty/vt/vt.c:683
 invert_screen+0x335/0x640 drivers/tty/vt/vt.c:800
 highlight drivers/tty/vt/selection.c:55 [inline]
 clear_selection drivers/tty/vt/selection.c:83 [inline]
 clear_selection+0x55/0x70 drivers/tty/vt/selection.c:79
 vc_do_resize+0x1095/0x1410 drivers/tty/vt/vt.c:1239
 fbcon_modechanged+0x4df/0x930 drivers/video/fbdev/core/fbcon.c:2674
 fbcon_event_notify+0x197/0x1d80 drivers/video/fbdev/core/fbcon.c:3058
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 __blocking_notifier_call_chain kernel/notifier.c:317 [inline]
 __blocking_notifier_call_chain kernel/notifier.c:304 [inline]
 blocking_notifier_call_chain kernel/notifier.c:328 [inline]
 blocking_notifier_call_chain+0x85/0xa0 kernel/notifier.c:325
 fb_set_var+0xc51/0xe20 drivers/video/fbdev/core/fbmem.c:1042
 do_fb_ioctl+0x3cf/0xb50 drivers/video/fbdev/core/fbmem.c:1115
 fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1230
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/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: 0033:0x45deb9
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff395351c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000000e300 RCX: 000000000045deb9
RDX: 0000000020000140 RSI: 0000000000004601 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff5e47a30f R14: 00007ff3953529c0 R15: 000000000118bf2c
Modules linked in:
CR2: ffff8880010a007f
---[ end trace 946307cd275e53bd ]---
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+0xa85/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 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 97 e8 f2 fd 48 8b 04 24 48 8b 7c 24 10 8b 40 14 <88> 07 0f ae e8 8a 07 b8 05 00 00 00 ba ce 03 00 00 ee 48 c7 c2 90
RSP: 0018:ffff88804f6ff090 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000007 RCX: ffffc90010598000
RDX: 0000000000000000 RSI: ffffffff83a80bba RDI: ffff8880010a007f
RBP: ffff88804f6ff224 R08: 0000000000100003 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888238c6e508
R13: ffff888238c75650 R14: ffff88804f6ff240 R15: 0000000000000001
FS:  00007ff395352700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8880010a007f CR3: 00000000b374c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400