IPVS: ftp: loaded support on port[0] = 21
divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 2736 Comm: kworker/0:2 Not tainted 4.19.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events console_callback
RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:360 [inline]
RIP: 0010:fbcon_switch+0x1fe/0x1d26 drivers/video/fbdev/core/fbcon.c:2217
Code: 2d 57 08 b3 08 48 89 2d d0 07 b3 08 38 ca 7c 08 84 c9 0f 85 0d 1b 00 00 41 8b 9c 24 3c 03 00 00 44 89 f0 31 d2 bf 05 00 00 00 <f7> f3 41 89 c6 89 c6 e8 26 3c e9 fd 41 83 fe 05 0f 8e 8d 0e 00 00
RSP: 0018:ffff88809f2679c8 EFLAGS: 00010246
RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff83806d9d RDI: 0000000000000005
RBP: ffff8880a57c0040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809fe9d2c0
R13: ffff8880a5763180 R14: 0000000000008000 R15: ffffffff87cf5ea0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33824000 CR3: 00000000a6439000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 redraw_screen+0x37d/0x870 drivers/tty/vt/vt.c:1015
 complete_change_console+0xf9/0x610 drivers/tty/vt/vt_ioctl.c:1284
 change_console+0x196/0x560 drivers/tty/vt/vt_ioctl.c:1409
 console_callback+0x393/0x3f0 drivers/tty/vt/vt.c:2830
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x30b/0x410 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace 6441b003997a1dcd ]---
RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:360 [inline]
RIP: 0010:fbcon_switch+0x1fe/0x1d26 drivers/video/fbdev/core/fbcon.c:2217
Code: 2d 57 08 b3 08 48 89 2d d0 07 b3 08 38 ca 7c 08 84 c9 0f 85 0d 1b 00 00 41 8b 9c 24 3c 03 00 00 44 89 f0 31 d2 bf 05 00 00 00 <f7> f3 41 89 c6 89 c6 e8 26 3c e9 fd 41 83 fe 05 0f 8e 8d 0e 00 00
RSP: 0018:ffff88809f2679c8 EFLAGS: 00010246
RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff83806d9d RDI: 0000000000000005
RBP: ffff8880a57c0040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809fe9d2c0
R13: ffff8880a5763180 R14: 0000000000008000 R15: ffffffff87cf5ea0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33824000 CR3: 00000000a6439000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400