input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 ===================================================== BUG: KMSAN: uninit-value in genius_detect+0x389/0x590 drivers/input/mouse/psmouse-base.c:560 genius_detect+0x389/0x590 drivers/input/mouse/psmouse-base.c:560 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1020 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1034 [inline] psmouse_extensions+0x1964/0x1b60 drivers/input/mouse/psmouse-base.c:1190 psmouse_switch_protocol+0x184/0xbb0 drivers/input/mouse/psmouse-base.c:1553 psmouse_connect+0x14bf/0x2250 drivers/input/mouse/psmouse-base.c:1643 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0xc7/0x130 drivers/input/serio/serio.c:778 really_probe+0x67d/0x1510 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:751 driver_probe_device drivers/base/dd.c:781 [inline] __driver_attach+0x6a6/0x1350 drivers/base/dd.c:1140 bus_for_each_dev+0x20e/0x340 drivers/base/bus.c:301 driver_attach+0x89/0xb0 drivers/base/dd.c:1157 serio_attach_driver drivers/input/serio/serio.c:807 [inline] serio_handle_event+0x11fb/0x2760 drivers/input/serio/serio.c:227 process_one_work+0xdb9/0x1820 kernel/workqueue.c:2298 worker_thread+0x10bc/0x21f0 kernel/workqueue.c:2445 kthread+0x721/0x850 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Uninit was stored to memory at: __ps2_command+0x23fe/0x25b0 drivers/input/serio/libps2.c:299 ps2_command+0x124/0x210 drivers/input/serio/libps2.c:332 genius_detect+0x17d/0x590 drivers/input/mouse/psmouse-base.c:556 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1020 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1034 [inline] psmouse_extensions+0x1964/0x1b60 drivers/input/mouse/psmouse-base.c:1190 psmouse_switch_protocol+0x184/0xbb0 drivers/input/mouse/psmouse-base.c:1553 psmouse_connect+0x14bf/0x2250 drivers/input/mouse/psmouse-base.c:1643 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0xc7/0x130 drivers/input/serio/serio.c:778 really_probe+0x67d/0x1510 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:751 driver_probe_device drivers/base/dd.c:781 [inline] __driver_attach+0x6a6/0x1350 drivers/base/dd.c:1140 bus_for_each_dev+0x20e/0x340 drivers/base/bus.c:301 driver_attach+0x89/0xb0 drivers/base/dd.c:1157 serio_attach_driver drivers/input/serio/serio.c:807 [inline] serio_handle_event+0x11fb/0x2760 drivers/input/serio/serio.c:227 process_one_work+0xdb9/0x1820 kernel/workqueue.c:2298 worker_thread+0x10bc/0x21f0 kernel/workqueue.c:2445 kthread+0x721/0x850 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Uninit was stored to memory at: __ps2_command+0xa33/0x25b0 drivers/input/serio/libps2.c:253 ps2_command+0x124/0x210 drivers/input/serio/libps2.c:332 genius_detect+0x17d/0x590 drivers/input/mouse/psmouse-base.c:556 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1020 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1034 [inline] psmouse_extensions+0x1964/0x1b60 drivers/input/mouse/psmouse-base.c:1190 psmouse_switch_protocol+0x184/0xbb0 drivers/input/mouse/psmouse-base.c:1553 psmouse_connect+0x14bf/0x2250 drivers/input/mouse/psmouse-base.c:1643 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0xc7/0x130 drivers/input/serio/serio.c:778 really_probe+0x67d/0x1510 drivers/base/dd.c:596 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:751 driver_probe_device drivers/base/dd.c:781 [inline] __driver_attach+0x6a6/0x1350 drivers/base/dd.c:1140 bus_for_each_dev+0x20e/0x340 drivers/base/bus.c:301 driver_attach+0x89/0xb0 drivers/base/dd.c:1157 serio_attach_driver drivers/input/serio/serio.c:807 [inline] serio_handle_event+0x11fb/0x2760 drivers/input/serio/serio.c:227 process_one_work+0xdb9/0x1820 kernel/workqueue.c:2298 worker_thread+0x10bc/0x21f0 kernel/workqueue.c:2445 kthread+0x721/0x850 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Local variable param created at: genius_detect+0x6a/0x590 drivers/input/mouse/psmouse-base.c:548 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1020 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1034 [inline] psmouse_extensions+0x1964/0x1b60 drivers/input/mouse/psmouse-base.c:1190 CPU: 0 PID: 1024 Comm: kworker/0:2 Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_long serio_handle_event =====================================================