stack segment: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4074 Comm: kworker/1:5 Not tainted 5.7.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events console_callback
RIP: 0010:add_softcursor drivers/tty/vt/vt.c:865 [inline]
RIP: 0010:set_cursor drivers/tty/vt/vt.c:907 [inline]
RIP: 0010:redraw_screen+0xe44/0x16f0 drivers/tty/vt/vt.c:1025
Code: 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 60 99 b6 fd 4c 8b 2b 4c 89 ed 48 c1 ed 03 48 bb 00 00 00 00 00 fc ff df <8a> 44 1d 00 84 c0 0f 85 90 07 00 00 45 0f b7 75 00 4c 89 64 24 18
RSP: 0000:ffffc90001ea7bc0 EFLAGS: 00010203
RAX: 1ffff11013cd167e RBX: dffffc0000000000 RCX: ffff888098d36000
RDX: 0000000000000000 RSI: 00000000000000c0 RDI: ffff88809e68b000
RBP: 0000000020000001 R08: ffffffff83faa5e2 R09: ffffed1043101cc4
R10: ffffed1043101cc4 R11: 0000000000000000 R12: ffff88809e68b000
R13: 000000010000000e R14: 1ffff11013cd169a R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004fc290 CR3: 00000000a2a65000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 complete_change_console+0xb1/0x720 drivers/tty/vt/vt_ioctl.c:1274
 console_callback+0x106/0x330 drivers/tty/vt/vt.c:2844
 process_one_work+0x76e/0xfd0 kernel/workqueue.c:2268
 worker_thread+0xa7f/0x1450 kernel/workqueue.c:2414
 kthread+0x353/0x380 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 8708e96bf2d64e5f ]---
RIP: 0010:add_softcursor drivers/tty/vt/vt.c:865 [inline]
RIP: 0010:set_cursor drivers/tty/vt/vt.c:907 [inline]
RIP: 0010:redraw_screen+0xe44/0x16f0 drivers/tty/vt/vt.c:1025
Code: 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 60 99 b6 fd 4c 8b 2b 4c 89 ed 48 c1 ed 03 48 bb 00 00 00 00 00 fc ff df <8a> 44 1d 00 84 c0 0f 85 90 07 00 00 45 0f b7 75 00 4c 89 64 24 18
RSP: 0000:ffffc90001ea7bc0 EFLAGS: 00010203
RAX: 1ffff11013cd167e RBX: dffffc0000000000 RCX: ffff888098d36000
RDX: 0000000000000000 RSI: 00000000000000c0 RDI: ffff88809e68b000
RBP: 0000000020000001 R08: ffffffff83faa5e2 R09: ffffed1043101cc4
R10: ffffed1043101cc4 R11: 0000000000000000 R12: ffff88809e68b000
R13: 000000010000000e R14: 1ffff11013cd169a R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004fc290 CR3: 00000000a2a65000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400