BUG: unable to handle kernel paging request at ffff888001000028
#PF error: [PROT] [WRITE]
PGD b201067 P4D b201067 PUD b202067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10283 Comm: syz-executor.2 Not tainted 5.0.0-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:ffff888072ba7520 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000001c RCX: 000000000000001c
RDX: ffff888001000028 RSI: 0000000000000007 RDI: ffff88800100002c
RBP: ffff888072ba75d8 R08: dffffc0000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 000000000000001c R12: 0000000000000000
R13: ffff8880a571ddba R14: 0000000000000000 R15: 0000000000000000
FS:  00007ffa0cbae700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000028 CR3: 0000000091871000 CR4: 00000000001406f0
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+0x928/0xde0 drivers/video/fbdev/core/bitblit.c:188
 fbcon_putcs+0x301/0x4c0 drivers/video/fbdev/core/fbcon.c:1325
 con_flush drivers/tty/vt/vt.c:2512 [inline]
 do_con_write.part.18+0x73b/0x1aa0 drivers/tty/vt/vt.c:2717
 do_con_write drivers/tty/vt/vt.c:2531 [inline]
 con_write+0x1f/0x80 drivers/tty/vt/vt.c:3100
 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:959 [inline]
 tty_write+0x342/0x770 drivers/tty/tty_io.c:1043
 __vfs_write+0xe3/0x970 fs/read_write.c:485
 vfs_write+0x150/0x4e0 fs/read_write.c:549
 ksys_write+0xcd/0x1b0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x6e/0xb0 fs/read_write.c:607
 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dd99
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:00007ffa0cbadc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000000393c0 RCX: 000000000045dd99
RDX: 0000000000001006 RSI: 0000000020001440 RDI: 0000000000000008
RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffcb9293d0f R14: 00007ffa0cbae9c0 R15: 000000000118bfd4
Modules linked in:
CR2: ffff888001000028
---[ end trace 27251472c69cfbc7 ]---
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:ffff888072ba7520 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000001c RCX: 000000000000001c
RDX: ffff888001000028 RSI: 0000000000000007 RDI: ffff88800100002c
RBP: ffff888072ba75d8 R08: dffffc0000000000 R09: 0000000000000004
R10: 0000000000000000 R11: 000000000000001c R12: 0000000000000000
R13: ffff8880a571ddba R14: 0000000000000000 R15: 0000000000000000
FS:  00007ffa0cbae700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000028 CR3: 0000000091871000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400