[ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started System Logging Service. [* ] A start job is running for OpenBSD …Shell server (1min 22s / 2min 41s)[** ] A start job is running for OpenBSD …Shell server (1min 23s / 2min 41s)[*** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 41s)[ *** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 41s)[ *** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 54s)[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.628221][ T144] ===================================================== [ 136.635236][ T144] BUG: KMSAN: uninit-value in hci_phy_link_complete_evt+0x1a9/0x8b0 [ 136.643340][ T144] hci_phy_link_complete_evt+0x1a9/0x8b0 [ 136.649009][ T144] hci_event_packet+0x893/0x22e0 [ 136.653972][ T144] hci_rx_work+0x6ae/0xd10 [ 136.658417][ T144] process_one_work+0xdc7/0x1760 [ 136.663385][ T144] worker_thread+0x1101/0x22b0 [ 136.668175][ T144] kthread+0x66b/0x780 [ 136.672263][ T144] ret_from_fork+0x1f/0x30 [ 136.676696][ T144] [ 136.679020][ T144] Uninit was created at: [ 136.683293][ T144] __kmalloc_node_track_caller+0x8d2/0x1340 [ 136.689206][ T144] __alloc_skb+0x4db/0xe40 [ 136.693653][ T144] vhci_write+0x182/0x8f0 [ 136.698006][ T144] vfs_write+0x1295/0x1f20 [ 136.702499][ T144] ksys_write+0x28c/0x520 [ 136.706850][ T144] __x64_sys_write+0xdb/0x120 [ 136.711544][ T144] do_syscall_64+0x54/0xd0 [ 136.715972][ T144] entry_SYSCALL_64_after_hwframe+0x44/0xae executing program executing program [ 136.721935][ T144] ===================================================== [ 136.729443][ T144] Disabling lock debugging due to kernel taint [ 136.736435][ T144] Kernel panic - not syncing: panic_on_kmsan set ... [ 136.743119][ T144] CPU: 1 PID: 144 Comm: kworker/u5:0 Tainted: G B 5.15.0-rc2-syzkaller #0 [ 136.752938][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.763004][ T144] Workqueue: hci0 hci_rx_work [ 136.767713][ T144] Call Trace: [ 136.771000][ T144] dump_stack_lvl+0x1ff/0x28e executing program executing program [ 136.775699][ T144] dump_stack+0x25/0x28 [ 136.779891][ T144] panic+0x44f/0xdeb [ 136.783805][ T144] ? add_taint+0x187/0x210 [ 136.788251][ T144] ? add_taint+0x187/0x210 [ 136.792696][ T144] kmsan_report+0x2ee/0x300 [ 136.797214][ T144] ? memcg_slab_free_hook+0x2d/0x890 [ 136.802520][ T144] ? __msan_warning+0xa9/0xf0 [ 136.807224][ T144] ? hci_phy_link_complete_evt+0x1a9/0x8b0 [ 136.813141][ T144] ? hci_event_packet+0x893/0x22e0 [ 136.818274][ T144] ? hci_rx_work+0x6ae/0xd10 [ 136.822892][ T144] ? process_one_work+0xdc7/0x1760 executing program executing program [ 136.828119][ T144] ? worker_thread+0x1101/0x22b0 [ 136.833172][ T144] ? kthread+0x66b/0x780 [ 136.837442][ T144] ? ret_from_fork+0x1f/0x30 [ 136.842079][ T144] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 136.848185][ T144] ? kmsan_get_metadata+0x11b/0x180 [ 136.853416][ T144] __msan_warning+0xa9/0xf0 [ 136.857966][ T144] hci_phy_link_complete_evt+0x1a9/0x8b0 [ 136.863625][ T144] ? __msan_instrument_asm_store+0x131/0x170 [ 136.869640][ T144] hci_event_packet+0x893/0x22e0 [ 136.874609][ T144] hci_rx_work+0x6ae/0xd10 executing program executing program [ 136.879085][ T144] ? hci_alloc_dev_priv+0x2aa0/0x2aa0 [ 136.884487][ T144] process_one_work+0xdc7/0x1760 [ 136.889457][ T144] worker_thread+0x1101/0x22b0 [ 136.894252][ T144] ? kmsan_get_metadata+0x11b/0x180 [ 136.899477][ T144] kthread+0x66b/0x780 [ 136.903563][ T144] ? worker_clr_flags+0x370/0x370 [ 136.908613][ T144] ? kthread_blkcg+0x120/0x120 [ 136.913494][ T144] ret_from_fork+0x1f/0x30 [ 136.918037][ T144] Kernel Offset: disabled [ 136.922349][ T144] Rebooting in 86400 seconds..