Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.297577][ T43] ===================================================== [ 94.304602][ T43] BUG: KMSAN: uninit-value in hci_conn_request_evt+0x22b/0x13c0 [ 94.312249][ T43] hci_conn_request_evt+0x22b/0x13c0 [ 94.317587][ T43] hci_event_packet+0x1452/0x23e0 [ 94.322617][ T43] hci_rx_work+0x6a0/0xd00 [ 94.327050][ T43] process_one_work+0xdb9/0x1820 [ 94.332011][ T43] worker_thread+0x10bc/0x21f0 [ 94.336796][ T43] kthread+0x721/0x850 [ 94.340874][ T43] ret_from_fork+0x1f/0x30 [ 94.345302][ T43] [ 94.347612][ T43] Uninit was created at: [ 94.351885][ T43] __kmalloc_node_track_caller+0xe0c/0x1510 [ 94.357812][ T43] __alloc_skb+0x545/0xf90 [ 94.362242][ T43] vhci_write+0x187/0x8f0 [ 94.366583][ T43] vfs_write+0x1318/0x2030 [ 94.371010][ T43] ksys_write+0x28b/0x510 [ 94.375347][ T43] __x64_sys_write+0xdb/0x120 [ 94.380032][ T43] do_syscall_64+0x54/0xd0 [ 94.384464][ T43] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.390377][ T43] [ 94.392689][ T43] CPU: 1 PID: 43 Comm: kworker/u5:0 Not tainted 5.16.0-rc5-syzkaller #0 [ 94.401028][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.411085][ T43] Workqueue: hci0 hci_rx_work [ 94.415782][ T43] ===================================================== [ 94.422697][ T43] Disabling lock debugging due to kernel taint [ 94.430010][ T43] Kernel panic - not syncing: kmsan.panic set ... [ 94.436456][ T43] CPU: 1 PID: 43 Comm: kworker/u5:0 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 94.446200][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.456280][ T43] Workqueue: hci0 hci_rx_work [ 94.461003][ T43] Call Trace: [ 94.464292][ T43] [ 94.467236][ T43] dump_stack_lvl+0x1ff/0x28e [ 94.471960][ T43] dump_stack+0x25/0x28 [ 94.476150][ T43] panic+0x487/0xe1f [ 94.480087][ T43] ? add_taint+0x181/0x210 [ 94.484532][ T43] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 94.490375][ T43] kmsan_report+0x2e6/0x2f0 [ 94.494926][ T43] ? slab_free_freelist_hook+0x82c/0x8e0 [ 94.500586][ T43] ? __msan_warning+0xb8/0x130 [ 94.505379][ T43] ? hci_conn_request_evt+0x22b/0x13c0 [ 94.510865][ T43] ? hci_event_packet+0x1452/0x23e0 [ 94.516087][ T43] ? hci_rx_work+0x6a0/0xd00 [ 94.520714][ T43] ? process_one_work+0xdb9/0x1820 [ 94.525878][ T43] ? worker_thread+0x10bc/0x21f0 [ 94.530855][ T43] ? kthread+0x721/0x850 [ 94.535129][ T43] ? ret_from_fork+0x1f/0x30 [ 94.539757][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.544910][ T43] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.550759][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.555914][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.561087][ T43] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.566980][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.572145][ T43] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.578004][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.583157][ T43] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 94.589446][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.594596][ T43] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.600448][ T43] __msan_warning+0xb8/0x130 [ 94.605078][ T43] hci_conn_request_evt+0x22b/0x13c0 [ 94.610396][ T43] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 94.616678][ T43] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 94.622793][ T43] hci_event_packet+0x1452/0x23e0 [ 94.627845][ T43] ? kmsan_get_metadata+0x33/0x220 [ 94.633017][ T43] hci_rx_work+0x6a0/0xd00 [ 94.637500][ T43] ? hci_alloc_dev_priv+0x2b50/0x2b50 [ 94.642925][ T43] ? hci_alloc_dev_priv+0x2b50/0x2b50 [ 94.648349][ T43] process_one_work+0xdb9/0x1820 [ 94.653367][ T43] worker_thread+0x10bc/0x21f0 [ 94.658204][ T43] kthread+0x721/0x850 [ 94.662315][ T43] ? worker_clr_flags+0x370/0x370 [ 94.667395][ T43] ? kthread_blkcg+0x120/0x120 [ 94.672197][ T43] ret_from_fork+0x1f/0x30 [ 94.676662][ T43] [ 94.680008][ T43] Kernel Offset: disabled [ 94.684340][ T43] Rebooting in 86400 seconds..