BUG: unable to handle kernel paging request at ffff888001000028
PGD b001067 P4D b001067 PUD b002067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9711 Comm: syz-executor.0 Not tainted 4.19.195-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__writel arch/x86/include/asm/io.h:71 [inline]
RIP: 0010:slow_imageblit drivers/video/fbdev/core/cfbimgblt.c:178 [inline]
RIP: 0010:cfb_imageblit+0x741/0xec0 drivers/video/fbdev/core/cfbimgblt.c:302
Code: 0f 85 91 03 00 00 41 0f b6 45 00 44 89 e1 d3 f8 89 d9 a8 01 44 89 d0 0f 45 c6 89 c7 d3 e7 41 09 ff 41 39 db 77 1f 48 8d 7a 04 <44> 89 3a 41 39 db 0f 84 51 02 00 00 b9 20 00 00 00 48 89 fa 29 d9
RSP: 0018:ffff8881c6cc7528 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000001c RCX: 000000000000001c
RDX: ffff888001000028 RSI: 0000000000000007 RDI: ffff88800100002c
RBP: ffff8881c6cc75e0 R08: dffffc0000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 000000000000001c R12: 0000000000000000
R13: ffff8881ee990e8a R14: 0000000000000000 R15: 0000000007700770
FS:  00007f6863359700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000028 CR3: 00000001e95d9005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1207 [inline]
 vga16fb_imageblit+0x620/0x2380 drivers/video/fbdev/vga16fb.c:1260
 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline]
 bit_putcs+0x87e/0xcc0 drivers/video/fbdev/core/bitblit.c:188
 fbcon_putcs+0x302/0x5f0 drivers/video/fbdev/core/fbcon.c:1269
 con_flush drivers/tty/vt/vt.c:2560 [inline]
 do_con_write.part.13+0x73b/0x1aa0 drivers/tty/vt/vt.c:2765
 do_con_write drivers/tty/vt/vt.c:2579 [inline]
 con_write+0x1f/0x80 drivers/tty/vt/vt.c:3146
 process_output_block drivers/tty/n_tty.c:593 [inline]
 n_tty_write+0x4a4/0x1050 drivers/tty/n_tty.c:2331
 do_tty_write drivers/tty/tty_io.c:960 [inline]
 tty_write+0x342/0x770 drivers/tty/tty_io.c:1044
 __vfs_write+0xe3/0x890 fs/read_write.c:485
 vfs_write+0x150/0x4d0 fs/read_write.c:549
 ksys_write+0x103/0x260 fs/read_write.c:599
 __do_sys_write fs/read_write.c:611 [inline]
 __se_sys_write fs/read_write.c:608 [inline]
 __x64_sys_write+0x6e/0xb0 fs/read_write.c:608
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x465ad9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6863359188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000055cfc8 RCX: 0000000000465ad9
RDX: 0000000000001006 RSI: 0000000020001440 RDI: 0000000000000008
RBP: 00000000004af756 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055cfc8
R13: 00007ffe7a67027f R14: 00007f6863359300 R15: 0000000000022000
Modules linked in:
CR2: ffff888001000028
---[ end trace c2d2e49eede65dad ]---
RIP: 0010:__writel arch/x86/include/asm/io.h:71 [inline]
RIP: 0010:slow_imageblit drivers/video/fbdev/core/cfbimgblt.c:178 [inline]
RIP: 0010:cfb_imageblit+0x741/0xec0 drivers/video/fbdev/core/cfbimgblt.c:302
Code: 0f 85 91 03 00 00 41 0f b6 45 00 44 89 e1 d3 f8 89 d9 a8 01 44 89 d0 0f 45 c6 89 c7 d3 e7 41 09 ff 41 39 db 77 1f 48 8d 7a 04 <44> 89 3a 41 39 db 0f 84 51 02 00 00 b9 20 00 00 00 48 89 fa 29 d9
RSP: 0018:ffff8881c6cc7528 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000001c RCX: 000000000000001c
RDX: ffff888001000028 RSI: 0000000000000007 RDI: ffff88800100002c
RBP: ffff8881c6cc75e0 R08: dffffc0000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 000000000000001c R12: 0000000000000000
R13: ffff8881ee990e8a R14: 0000000000000000 R15: 0000000007700770
FS:  00007f6863359700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000028 CR3: 00000001e95d9005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400