Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 138.067017][ T144] ===================================================== [ 138.074039][ T144] BUG: KMSAN: uninit-value in hci_phy_link_complete_evt+0x1a9/0x8b0 [ 138.082038][ T144] hci_phy_link_complete_evt+0x1a9/0x8b0 [ 138.087705][ T144] hci_event_packet+0x893/0x22e0 [ 138.092655][ T144] hci_rx_work+0x6ae/0xd10 [ 138.097088][ T144] process_one_work+0xdc7/0x1760 [ 138.102045][ T144] worker_thread+0x1101/0x22b0 [ 138.106828][ T144] kthread+0x66b/0x780 [ 138.110998][ T144] ret_from_fork+0x1f/0x30 [ 138.115426][ T144] [ 138.117748][ T144] Uninit was created at: [ 138.122027][ T144] __kmalloc_node_track_caller+0x8d2/0x1340 [ 138.127937][ T144] __alloc_skb+0x4db/0xe40 [ 138.132367][ T144] vhci_write+0x182/0x8f0 [ 138.136708][ T144] vfs_write+0x1295/0x1f20 [ 138.141139][ T144] ksys_write+0x28c/0x520 [ 138.145484][ T144] __x64_sys_write+0xdb/0x120 [ 138.150173][ T144] do_syscall_64+0x54/0xd0 [ 138.154598][ T144] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 138.160510][ T144] ===================================================== [ 138.167461][ T144] Disabling lock debugging due to kernel taint [ 138.174092][ T144] Kernel panic - not syncing: panic_on_kmsan set ... [ 138.180767][ T144] CPU: 0 PID: 144 Comm: kworker/u5:0 Tainted: G B 5.15.0-rc2-syzkaller #0 [ 138.190578][ T144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.200635][ T144] Workqueue: hci0 hci_rx_work [ 138.205332][ T144] Call Trace: [ 138.208624][ T144] dump_stack_lvl+0x1ff/0x28e [ 138.213334][ T144] dump_stack+0x25/0x28 [ 138.217509][ T144] panic+0x44f/0xdeb [ 138.221421][ T144] ? add_taint+0x187/0x210 [ 138.225853][ T144] ? add_taint+0x187/0x210 [ 138.230283][ T144] kmsan_report+0x2ee/0x300 [ 138.234790][ T144] ? memcg_slab_free_hook+0x2d/0x890 [ 138.240084][ T144] ? __msan_warning+0xa9/0xf0 [ 138.244773][ T144] ? hci_phy_link_complete_evt+0x1a9/0x8b0 [ 138.250588][ T144] ? hci_event_packet+0x893/0x22e0 [ 138.255704][ T144] ? hci_rx_work+0x6ae/0xd10 [ 138.260309][ T144] ? process_one_work+0xdc7/0x1760 [ 138.265430][ T144] ? worker_thread+0x1101/0x22b0 [ 138.270378][ T144] ? kthread+0x66b/0x780 [ 138.274625][ T144] ? ret_from_fork+0x1f/0x30 [ 138.279235][ T144] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 138.285334][ T144] ? kmsan_get_metadata+0x11b/0x180 [ 138.290538][ T144] __msan_warning+0xa9/0xf0 [ 138.295053][ T144] hci_phy_link_complete_evt+0x1a9/0x8b0 [ 138.300701][ T144] ? __msan_instrument_asm_store+0x131/0x170 [ 138.306710][ T144] hci_event_packet+0x893/0x22e0 [ 138.311670][ T144] hci_rx_work+0x6ae/0xd10 [ 138.316126][ T144] ? hci_alloc_dev_priv+0x2aa0/0x2aa0 [ 138.321513][ T144] process_one_work+0xdc7/0x1760 [ 138.326473][ T144] worker_thread+0x1101/0x22b0 [ 138.331256][ T144] ? kmsan_get_metadata+0x11b/0x180 [ 138.336469][ T144] kthread+0x66b/0x780 [ 138.340549][ T144] ? worker_clr_flags+0x370/0x370 [ 138.345591][ T144] ? kthread_blkcg+0x120/0x120 [ 138.350368][ T144] ret_from_fork+0x1f/0x30 [ 138.354866][ T144] Kernel Offset: disabled [ 138.359184][ T144] Rebooting in 86400 seconds..