input: HID 0926:3333 as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.0/0003:0926:3333.0012/input/input69 keytouch 0003:0926:3333.0012: input,hidraw0: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.2-1/input0 divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 21234 Comm: kworker/1:4 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+0x1fc/0x16f0 drivers/video/fbdev/core/fbcon.c:2256 Code: 2d a9 8d 59 09 48 89 2d 22 8d 59 09 38 ca 7c 08 84 c9 0f 85 83 12 00 00 41 8b 9c 24 8c 03 00 00 44 89 f0 31 d2 bf 05 00 00 00 f3 41 89 c6 89 c6 e8 f8 50 b2 fd 41 83 fe 05 0f 8e 4a 0b 00 00 RSP: 0000:ffffc900056b79f0 EFLAGS: 00010246 RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff83c17eeb RDI: 0000000000000005 RBP: ffff8880a39e0000 R08: ffff888098216540 R09: fffffbfff1516d90 R10: ffffffff8a8b6c7f R11: fffffbfff1516d8f R12: ffff888050e44000 R13: ffff888218fe3000 R14: 0000000000008000 R15: ffffffff887854a0 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d83f8f9a0 CR3: 000000009cfe5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: redraw_screen+0x2ae/0x770 drivers/tty/vt/vt.c:1015 complete_change_console+0x104/0x3a0 drivers/tty/vt/vt_ioctl.c:1274 change_console+0x197/0x2c0 drivers/tty/vt/vt_ioctl.c:1399 console_callback+0x3b1/0x410 drivers/tty/vt/vt.c:2850 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x388/0x470 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 Modules linked in: ---[ end trace b77002c4b92b5487 ]--- RIP: 0010:fbcon_update_softback drivers/video/fbdev/core/fbcon.c:378 [inline] RIP: 0010:fbcon_switch+0x1fc/0x16f0 drivers/video/fbdev/core/fbcon.c:2256 Code: 2d a9 8d 59 09 48 89 2d 22 8d 59 09 38 ca 7c 08 84 c9 0f 85 83 12 00 00 41 8b 9c 24 8c 03 00 00 44 89 f0 31 d2 bf 05 00 00 00 f3 41 89 c6 89 c6 e8 f8 50 b2 fd 41 83 fe 05 0f 8e 4a 0b 00 00 RSP: 0000:ffffc900056b79f0 EFLAGS: 00010246 RAX: 0000000000008000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff83c17eeb RDI: 0000000000000005 RBP: ffff8880a39e0000 R08: ffff888098216540 R09: fffffbfff1516d90 R10: ffffffff8a8b6c7f R11: fffffbfff1516d8f R12: ffff888050e44000 R13: ffff888218fe3000 R14: 0000000000008000 R15: ffffffff887854a0 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d83f8f9a0 CR3: 000000009cfe5000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400