divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2471 Comm: kworker/1:2 Not tainted 5.7.0-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:378 [inline] RIP: 0010:fbcon_switch+0x16c/0x1e40 drivers/video/fbdev/core/fbcon.c:2256 Code: 00 44 8b 35 f2 21 78 05 49 8d 9f 8c 03 00 00 48 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 0f 85 64 18 00 00 44 8b 3b 44 89 f0 31 d2 <41> f7 f7 89 c3 bf 05 00 00 00 89 c6 e8 c3 a3 a6 fd 83 fb 06 7c 15 RSP: 0018:ffffc900086c7a70 EFLAGS: 00010246 RAX: 0000000000008000 RBX: ffff88805bcbd38c RCX: ffff8880a0790000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a3860000 R08: ffffffff83ce02f9 R09: fffffbfff12d898c R10: fffffbfff12d898c R11: 0000000000000000 R12: ffff88805bcbd380 R13: dffffc0000000000 R14: 0000000000008000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004f2eb0 CR3: 0000000073a19000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: redraw_screen+0x4fc/0x16f0 drivers/tty/vt/vt.c:1015 complete_change_console+0xb1/0x720 drivers/tty/vt/vt_ioctl.c:1274 console_callback+0x106/0x330 drivers/tty/vt/vt.c:2850 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:351 Modules linked in: ---[ end trace 3789d02a6ed45bfd ]--- RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:378 [inline] RIP: 0010:fbcon_switch+0x16c/0x1e40 drivers/video/fbdev/core/fbcon.c:2256 Code: 00 44 8b 35 f2 21 78 05 49 8d 9f 8c 03 00 00 48 89 d8 48 c1 e8 03 42 8a 04 28 84 c0 0f 85 64 18 00 00 44 8b 3b 44 89 f0 31 d2 <41> f7 f7 89 c3 bf 05 00 00 00 89 c6 e8 c3 a3 a6 fd 83 fb 06 7c 15 RSP: 0018:ffffc900086c7a70 EFLAGS: 00010246 RAX: 0000000000008000 RBX: ffff88805bcbd38c RCX: ffff8880a0790000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880a3860000 R08: ffffffff83ce02f9 R09: fffffbfff12d898c R10: fffffbfff12d898c R11: 0000000000000000 R12: ffff88805bcbd380 R13: dffffc0000000000 R14: 0000000000008000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004f2eb0 CR3: 0000000073a19000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400