BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 11dbf4067 P4D 11dbf4067 PUD 11dbf5067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP
CPU: 1 PID: 10184 Comm: syz-executor.2 Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffffc90002463bb0 EFLAGS: 00010292
RAX: 0000000000000000 RBX: ffff88813b860800 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffff88813a3f3800 RDI: ffff88813b860800
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811dbc9e00
R13: ffff88823aec92c0 R14: 0000000000000900 R15: 00000000000000a0
FS:  00007fe1bb259700(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000011dbf3000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hide_cursor+0x1f/0x80 drivers/tty/vt/vt.c:906
 redraw_screen+0x20e/0x2a0 drivers/tty/vt/vt.c:1011
 vc_do_resize+0x52f/0x5a0 drivers/tty/vt/vt.c:1326
 fbcon_set_disp+0x23c/0x370 drivers/video/fbdev/core/fbcon.c:1478
 con2fb_init_display drivers/video/fbdev/core/fbcon.c:844 [inline]
 set_con2fb_map+0x30a/0xc40 drivers/video/fbdev/core/fbcon.c:915
 fbcon_set_con2fb_map_ioctl+0xc0/0x1f0 drivers/video/fbdev/core/fbcon.c:3389
 do_fb_ioctl+0x3d3/0x420 drivers/video/fbdev/core/fbmem.c:1156
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x7c/0xb0 fs/ioctl.c:739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
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:00007fe1bb258c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 0000000020000080 RSI: 0000000000004610 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffc56c37f1f R14: 00007fe1bb2599c0 R15: 000000000119bf8c
Modules linked in:
CR2: 0000000000000000
---[ end trace 1bf663bf4ff56a24 ]---
RIP: 0010:0x0
Code: Bad RIP value.
RSP: 0018:ffffc90002463bb0 EFLAGS: 00010292
RAX: 0000000000000000 RBX: ffff88813b860800 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffff88813a3f3800 RDI: ffff88813b860800
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88811dbc9e00
R13: ffff88823aec92c0 R14: 0000000000000900 R15: 00000000000000a0
FS:  00007fe1bb259700(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000011dbf3000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400