divide error: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7974 Comm: syz-executor863 Not tainted 4.14.230-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880b4b2c340 task.stack: ffff8880b35d0000
RIP: 0010:fbcon_init+0xcb4/0x1cc0 drivers/video/fbdev/core/fbcon.c:1065
RSP: 0018:ffff8880b35d77e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888238f2b840 RCX: 1ffff110471e573f
RDX: 0000000000000000 RSI: ffff8880af7bad34 RDI: ffff888238f2b9f8
RBP: ffff8880af7ba980 R08: ffffffff8b9bfbf8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238811180
R13: 0000000000000320 R14: ffff8880af7bacb4 R15: 0000000000000000
FS:  00000000011a1300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000496dd3 CR3: 0000000096d8b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 visual_init+0x332/0x5e0 drivers/tty/vt/vt.c:746
 vc_allocate+0x2c5/0x640 drivers/tty/vt/vt.c:802
 con_install+0x4d/0x450 drivers/tty/vt/vt.c:2899
 tty_driver_install_tty drivers/tty/tty_io.c:1225 [inline]
 tty_init_dev.part.0+0x99/0x400 drivers/tty/tty_io.c:1338
 tty_init_dev drivers/tty/tty_io.c:1328 [inline]
 tty_open_by_driver drivers/tty/tty_io.c:1973 [inline]
 tty_open+0x669/0x8b0 drivers/tty/tty_io.c:2021
 chrdev_open+0x23c/0x6d0 fs/char_dev.c:423
 do_dentry_open+0x44b/0xec0 fs/open.c:777
 vfs_open+0x105/0x220 fs/open.c:888
 do_last fs/namei.c:3428 [inline]
 path_openat+0x628/0x2970 fs/namei.c:3569
 do_filp_open+0x179/0x3c0 fs/namei.c:3603
 do_sys_open+0x296/0x410 fs/open.c:1081
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x402447
RSP: 002b:00007ffc4b1fda50 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000006dc7 RCX: 0000000000402447
RDX: 0000000000000002 RSI: 00007ffc4b1fdad0 RDI: 00000000ffffff9c
RBP: 00007ffc4b1fdad0 R08: 0000000000000000 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 431bde82d7b634db R14: 00000000004ae018 R15: 0000000000400488
Code: 54 24 30 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 8d 0d 00 00 31 d2 44 89 f8 48 8b 74 24 38 <f7> b5 b0 03 00 00 48 89 f2 48 c1 ea 03 89 44 24 30 48 b8 00 00 
RIP: fbcon_init+0xcb4/0x1cc0 drivers/video/fbdev/core/fbcon.c:1065 RSP: ffff8880b35d77e0
---[ end trace 0d06857c9a3a295c ]---