[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.0.37' (ECDSA) to the list of known hosts. executing program [ 421.172987][ T1056] ===================================================== [ 421.180154][ T1056] BUG: KMSAN: uninit-value in n_tty_receive_buf_common+0x1e6c/0x10360 [ 421.188372][ T1056] n_tty_receive_buf_common+0x1e6c/0x10360 [ 421.194236][ T1056] n_tty_receive_buf2+0xbe/0xd0 [ 421.199150][ T1056] tty_ldisc_receive_buf+0x15e/0x390 [ 421.204478][ T1056] tty_port_default_receive_buf+0x14b/0x1e0 [ 421.210414][ T1056] flush_to_ldisc+0x5bf/0xa10 [ 421.215127][ T1056] process_one_work+0xdc2/0x1820 [ 421.220197][ T1056] worker_thread+0x10f1/0x2290 [ 421.224992][ T1056] kthread+0x721/0x850 [ 421.229105][ T1056] ret_from_fork+0x1f/0x30 [ 421.233601][ T1056] [ 421.235931][ T1056] Uninit was created at: [ 421.240226][ T1056] __kmalloc+0xc3c/0x12d0 [ 421.244585][ T1056] __tty_buffer_request_room+0x4d2/0x900 [ 421.250275][ T1056] __tty_insert_flip_char+0xe5/0x3d0 [ 421.255609][ T1056] uart_insert_char+0x495/0xb70 [ 421.260532][ T1056] serial8250_read_char+0x280/0x820 [ 421.265831][ T1056] serial8250_handle_irq+0x540/0x980 [ 421.271165][ T1056] serial8250_default_handle_irq+0x18f/0x370 [ 421.277196][ T1056] serial8250_interrupt+0x111/0x3f0 [ 421.282433][ T1056] __handle_irq_event_percpu+0x188/0xc90 [ 421.288145][ T1056] handle_irq_event+0x188/0x420 [ 421.293030][ T1056] handle_edge_irq+0x472/0x13e0 [ 421.297936][ T1056] __common_interrupt+0xf8/0x360 [ 421.302984][ T1056] common_interrupt+0xb1/0xd0 [ 421.307729][ T1056] asm_common_interrupt+0x1e/0x40 [ 421.312845][ T1056] [ 421.315175][ T1056] CPU: 0 PID: 1056 Comm: kworker/u4:5 Not tainted 5.16.0-rc3-syzkaller #0 [ 421.323706][ T1056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.333782][ T1056] Workqueue: events_unbound flush_to_ldisc [ 421.339631][ T1056] ===================================================== [ 421.346565][ T1056] Disabling lock debugging due to kernel taint [ 421.353189][ T1056] Kernel panic - not syncing: kmsan.panic set ... [ 421.359621][ T1056] CPU: 0 PID: 1056 Comm: kworker/u4:5 Tainted: G B 5.16.0-rc3-syzkaller #0 [ 421.369557][ T1056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.379649][ T1056] Workqueue: events_unbound flush_to_ldisc [ 421.385520][ T1056] Call Trace: [ 421.388817][ T1056] [ 421.391767][ T1056] dump_stack_lvl+0x1ff/0x28e [ 421.396501][ T1056] dump_stack+0x25/0x28 [ 421.400703][ T1056] panic+0x467/0xe03 [ 421.404728][ T1056] ? add_taint+0x187/0x210 [ 421.409244][ T1056] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 421.415121][ T1056] kmsan_report+0x306/0x310 [ 421.419691][ T1056] ? __msan_warning+0xb8/0x130 [ 421.424594][ T1056] ? n_tty_receive_buf_common+0x1e6c/0x10360 [ 421.430625][ T1056] ? n_tty_receive_buf2+0xbe/0xd0 [ 421.435691][ T1056] ? tty_ldisc_receive_buf+0x15e/0x390 [ 421.441199][ T1056] ? tty_port_default_receive_buf+0x14b/0x1e0 [ 421.447326][ T1056] ? flush_to_ldisc+0x5bf/0xa10 [ 421.452228][ T1056] ? process_one_work+0xdc2/0x1820 [ 421.457405][ T1056] ? worker_thread+0x10f1/0x2290 [ 421.462388][ T1056] ? kthread+0x721/0x850 [ 421.466683][ T1056] ? ret_from_fork+0x1f/0x30 [ 421.471343][ T1056] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 421.477217][ T1056] ? kmsan_get_metadata+0x52/0x120 [ 421.482391][ T1056] ? kmsan_internal_set_shadow_origin+0x63/0xc0 [ 421.488701][ T1056] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 421.494829][ T1056] ? kmsan_get_metadata+0x52/0x120 [ 421.500004][ T1056] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 421.505886][ T1056] ? n_tty_receive_char+0x1172/0x1720 [ 421.511338][ T1056] ? kmsan_get_metadata+0xa4/0x120 [ 421.516508][ T1056] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 421.522381][ T1056] __msan_warning+0xb8/0x130 [ 421.527026][ T1056] n_tty_receive_buf_common+0x1e6c/0x10360 [ 421.532915][ T1056] ? kmsan_get_metadata+0xa4/0x120 [ 421.538089][ T1056] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 421.543987][ T1056] n_tty_receive_buf2+0xbe/0xd0 [ 421.548898][ T1056] ? n_tty_write_wakeup+0xa0/0xa0 [ 421.553973][ T1056] tty_ldisc_receive_buf+0x15e/0x390 [ 421.559329][ T1056] tty_port_default_receive_buf+0x14b/0x1e0 [ 421.565287][ T1056] ? tty_buffer_flush_work+0x50/0x50 [ 421.570628][ T1056] flush_to_ldisc+0x5bf/0xa10 [ 421.575372][ T1056] ? tty_buffer_init+0x300/0x300 [ 421.580374][ T1056] process_one_work+0xdc2/0x1820 [ 421.585392][ T1056] worker_thread+0x10f1/0x2290 [ 421.590222][ T1056] kthread+0x721/0x850 [ 421.594339][ T1056] ? worker_clr_flags+0x370/0x370 [ 421.599405][ T1056] ? kthread_blkcg+0x120/0x120 [ 421.604216][ T1056] ret_from_fork+0x1f/0x30 [ 421.608691][ T1056] [ 421.611791][ T1056] Kernel Offset: disabled [ 421.616121][ T1056] Rebooting in 86400 seconds..