BUG: unable to handle kernel paging request at ffff888001000095
PGD de01067 P4D de01067 PUD de02067 PMD 80000000010001e1 
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2425 Comm: syz-executor.2 Not tainted 4.19.154-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:1176 [inline]
RIP: 0010:vga16fb_imageblit+0xc2f/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 48 83 c5 01 48 89 f8 48 89 f9 48 83 c3 01 48 c1 e8 03 83 e1 07 42 0f b6 04 38 38 c8 7f 08 84 c0 0f 85 86 0f 00 00 0f b6 45 ff <88> 02 44 89 e6 31 ff 29 de e8 63 d4 bc fd 4c 39 eb 75 b8 48 8b 7c
RSP: 0018:ffff88805643f3d0 EFLAGS: 00010246
RAX: 0000000000000030 RBX: ffff888001000096 RCX: 0000000000000001
RDX: ffff888001000095 RSI: ffffffff83a7fbcf RDI: ffff8882393d85d1
RBP: ffff8882393d85d2 R08: ffff8882393d85df R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000001000096
R13: ffff888001000096 R14: ffff888001000095 R15: dffffc0000000000
FS:  00007fa61223b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000095 CR3: 00000000979fc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 soft_cursor+0x514/0xa30 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x1126/0x1740 drivers/video/fbdev/core/bitblit.c:377
 fbcon_cursor+0x523/0x700 drivers/video/fbdev/core/fbcon.c:1309
 fbcon_scroll+0x2fc/0x3440 drivers/video/fbdev/core/fbcon.c:1666
 con_scroll+0x5f8/0x720 drivers/tty/vt/vt.c:637
 lf+0x262/0x2b0 drivers/tty/vt/vt.c:1491
 do_con_trol+0x1df/0x5970 drivers/tty/vt/vt.c:2159
 do_con_write+0xbea/0x1d90 drivers/tty/vt/vt.c:2810
 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3145
 process_output_block drivers/tty/n_tty.c:593 [inline]
 n_tty_write+0x3c0/0xff0 drivers/tty/n_tty.c:2331
 do_tty_write drivers/tty/tty_io.c:960 [inline]
 tty_write+0x496/0x810 drivers/tty/tty_io.c:1044
 __vfs_write+0xf7/0x770 fs/read_write.c:485
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 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:00007fa61223ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000003a680 RCX: 000000000045deb9
RDX: 0000000000001006 RSI: 0000000020001440 RDI: 0000000000000004
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffefdb025f R14: 00007fa61223b9c0 R15: 000000000118bf2c
Modules linked in:
CR2: ffff888001000095
BUG: unable to handle kernel paging request at ffff888001000095
PGD de01067 P4D de01067 PUD de02067 PMD 80000000010001e1 
Oops: 0003 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 2425 Comm: syz-executor.2 Not tainted 4.19.154-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:1176 [inline]
RIP: 0010:vga16fb_imageblit+0xc2f/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 48 83 c5 01 48 89 f8 48 89 f9 48 83 c3 01 48 c1 e8 03 83 e1 07 42 0f b6 04 38 38 c8 7f 08 84 c0 0f 85 86 0f 00 00 0f b6 45 ff <88> 02 44 89 e6 31 ff 29 de e8 63 d4 bc fd 4c 39 eb 75 b8 48 8b 7c
RSP: 0018:ffff88805643ec08 EFLAGS: 00010046
RAX: 0000000000000030 RBX: ffff888001000096 RCX: 0000000000000001
RDX: ffff888001000095 RSI: ffffffff83a7fbcf RDI: ffff8882393d85e1
RBP: ffff8882393d85e2 R08: ffff8882393d85ef R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c65c05b R12: 0000000001000096
R13: ffff888001000096 R14: ffff888001000095 R15: dffffc0000000000
FS:  00007fa61223b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000095 CR3: 00000000979fc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 soft_cursor+0x514/0xa30 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x1126/0x1740 drivers/video/fbdev/core/bitblit.c:377
 fbcon_cursor+0x523/0x700 drivers/video/fbdev/core/fbcon.c:1309
 fbcon_blank+0x8b5/0xec0 drivers/video/fbdev/core/fbcon.c:2214
 do_unblank_screen+0x241/0x610 drivers/tty/vt/vt.c:4276
 bust_spinlocks+0x5b/0xe0
 oops_end+0x2b/0xe0 arch/x86/kernel/dumpstack.c:336
 no_context+0x75a/0x940 arch/x86/mm/fault.c:830
 __bad_area_nosemaphore+0x2de/0x400 arch/x86/mm/fault.c:918
 __do_page_fault+0x17b/0xd60 arch/x86/mm/fault.c:1344
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1176 [inline]
RIP: 0010:vga16fb_imageblit+0xc2f/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 48 83 c5 01 48 89 f8 48 89 f9 48 83 c3 01 48 c1 e8 03 83 e1 07 42 0f b6 04 38 38 c8 7f 08 84 c0 0f 85 86 0f 00 00 0f b6 45 ff <88> 02 44 89 e6 31 ff 29 de e8 63 d4 bc fd 4c 39 eb 75 b8 48 8b 7c
RSP: 0018:ffff88805643f3d0 EFLAGS: 00010246
RAX: 0000000000000030 RBX: ffff888001000096 RCX: 0000000000000001
RDX: ffff888001000095 RSI: ffffffff83a7fbcf RDI: ffff8882393d85d1
RBP: ffff8882393d85d2 R08: ffff8882393d85df R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000001000096
R13: ffff888001000096 R14: ffff888001000095 R15: dffffc0000000000
 soft_cursor+0x514/0xa30 drivers/video/fbdev/core/softcursor.c:74
 bit_cursor+0x1126/0x1740 drivers/video/fbdev/core/bitblit.c:377
 fbcon_cursor+0x523/0x700 drivers/video/fbdev/core/fbcon.c:1309
 fbcon_scroll+0x2fc/0x3440 drivers/video/fbdev/core/fbcon.c:1666
 con_scroll+0x5f8/0x720 drivers/tty/vt/vt.c:637
 lf+0x262/0x2b0 drivers/tty/vt/vt.c:1491
 do_con_trol+0x1df/0x5970 drivers/tty/vt/vt.c:2159
 do_con_write+0xbea/0x1d90 drivers/tty/vt/vt.c:2810
 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3145
 process_output_block drivers/tty/n_tty.c:593 [inline]
 n_tty_write+0x3c0/0xff0 drivers/tty/n_tty.c:2331
 do_tty_write drivers/tty/tty_io.c:960 [inline]
 tty_write+0x496/0x810 drivers/tty/tty_io.c:1044
 __vfs_write+0xf7/0x770 fs/read_write.c:485
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 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:00007fa61223ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000003a680 RCX: 000000000045deb9
RDX: 0000000000001006 RSI: 0000000020001440 RDI: 0000000000000004
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffefdb025f R14: 00007fa61223b9c0 R15: 000000000118bf2c
Modules linked in:
CR2: ffff888001000095
---[ end trace 6a637e12d685489a ]---
RIP: 0010:writeb arch/x86/include/asm/io.h:65 [inline]
RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1176 [inline]
RIP: 0010:vga16fb_imageblit+0xc2f/0x2260 drivers/video/fbdev/vga16fb.c:1260
Code: 48 83 c5 01 48 89 f8 48 89 f9 48 83 c3 01 48 c1 e8 03 83 e1 07 42 0f b6 04 38 38 c8 7f 08 84 c0 0f 85 86 0f 00 00 0f b6 45 ff <88> 02 44 89 e6 31 ff 29 de e8 63 d4 bc fd 4c 39 eb 75 b8 48 8b 7c
RSP: 0018:ffff88805643f3d0 EFLAGS: 00010246
RAX: 0000000000000030 RBX: ffff888001000096 RCX: 0000000000000001
RDX: ffff888001000095 RSI: ffffffff83a7fbcf RDI: ffff8882393d85d1
RBP: ffff8882393d85d2 R08: ffff8882393d85df R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000001000096
R13: ffff888001000096 R14: ffff888001000095 R15: dffffc0000000000
FS:  00007fa61223b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888001000095 CR3: 00000000979fc000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400