Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. [ 139.840299][ T8481] IPVS: ftp: loaded support on port[0] = 21 executing program [ 139.942060][ T8487] ===================================================== [ 139.949050][ T8487] BUG: KMSAN: uninit-value in process_adv_report+0x710/0x24e0 [ 139.956518][ T8487] CPU: 0 PID: 8487 Comm: kworker/u5:2 Not tainted 5.8.0-rc5-syzkaller #0 [ 139.964926][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.975004][ T8487] Workqueue: hci0 hci_rx_work [ 139.979686][ T8487] Call Trace: [ 139.982989][ T8487] dump_stack+0x21c/0x280 [ 139.987432][ T8487] kmsan_report+0xf7/0x1e0 [ 139.991859][ T8487] __msan_warning+0x58/0xa0 [ 139.996368][ T8487] process_adv_report+0x710/0x24e0 [ 140.001482][ T8487] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 140.007320][ T8487] hci_event_packet+0xb7f2/0x39d30 [ 140.012445][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.017654][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.022878][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.028086][ T8487] ? kmsan_get_metadata+0x110/0x180 [ 140.033303][ T8487] ? virt_to_page_or_null+0x8f/0xf0 [ 140.038515][ T8487] ? kmsan_get_metadata+0xd/0x180 [ 140.043550][ T8487] ? hci_event_packet+0xb513/0x39d30 [ 140.048855][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.054071][ T8487] hci_rx_work+0x6df/0xd30 [ 140.058500][ T8487] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 140.064322][ T8487] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.070404][ T8487] ? hci_alloc_dev+0x2680/0x2680 [ 140.075353][ T8487] process_one_work+0x1688/0x2140 [ 140.080422][ T8487] worker_thread+0x10bc/0x2730 [ 140.085196][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.090426][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.095645][ T8487] kthread+0x551/0x590 [ 140.099722][ T8487] ? process_one_work+0x2140/0x2140 [ 140.104928][ T8487] ? kthread_blkcg+0x110/0x110 [ 140.109714][ T8487] ret_from_fork+0x1f/0x30 [ 140.114133][ T8487] [ 140.116451][ T8487] Uninit was created at: [ 140.120695][ T8487] kmsan_internal_poison_shadow+0x66/0xd0 [ 140.126419][ T8487] kmsan_slab_alloc+0x8a/0xe0 [ 140.131103][ T8487] __kmalloc_node_track_caller+0xeab/0x12e0 [ 140.137002][ T8487] __alloc_skb+0x35f/0xb30 [ 140.141433][ T8487] vhci_write+0x18a/0x890 [ 140.145759][ T8487] vfs_write+0xf9a/0x17c0 [ 140.150087][ T8487] ksys_write+0x275/0x500 [ 140.154423][ T8487] __se_sys_write+0x92/0xb0 [ 140.158926][ T8487] __x64_sys_write+0x4a/0x70 [ 140.163521][ T8487] do_syscall_64+0xad/0x160 [ 140.168022][ T8487] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 140.173901][ T8487] ===================================================== [ 140.180823][ T8487] Disabling lock debugging due to kernel taint [ 140.186972][ T8487] Kernel panic - not syncing: panic_on_warn set ... [ 140.193681][ T8487] CPU: 0 PID: 8487 Comm: kworker/u5:2 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 140.203475][ T8487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.213537][ T8487] Workqueue: hci0 hci_rx_work [ 140.218214][ T8487] Call Trace: [ 140.221526][ T8487] dump_stack+0x21c/0x280 [ 140.225877][ T8487] panic+0x4d7/0xef7 [ 140.229807][ T8487] ? add_taint+0x17c/0x210 [ 140.234322][ T8487] kmsan_report+0x1df/0x1e0 [ 140.238837][ T8487] __msan_warning+0x58/0xa0 [ 140.243347][ T8487] process_adv_report+0x710/0x24e0 [ 140.248465][ T8487] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 140.254304][ T8487] hci_event_packet+0xb7f2/0x39d30 [ 140.259436][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.264644][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.269853][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.275055][ T8487] ? kmsan_get_metadata+0x110/0x180 [ 140.280261][ T8487] ? virt_to_page_or_null+0x8f/0xf0 [ 140.285473][ T8487] ? kmsan_get_metadata+0xd/0x180 [ 140.290506][ T8487] ? hci_event_packet+0xb513/0x39d30 [ 140.295804][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.301016][ T8487] hci_rx_work+0x6df/0xd30 [ 140.305448][ T8487] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 140.311260][ T8487] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 140.317320][ T8487] ? hci_alloc_dev+0x2680/0x2680 [ 140.322235][ T8487] process_one_work+0x1688/0x2140 [ 140.327245][ T8487] worker_thread+0x10bc/0x2730 [ 140.331986][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.337170][ T8487] ? kmsan_get_metadata+0x116/0x180 [ 140.342349][ T8487] kthread+0x551/0x590 [ 140.346403][ T8487] ? process_one_work+0x2140/0x2140 [ 140.351587][ T8487] ? kthread_blkcg+0x110/0x110 [ 140.356327][ T8487] ret_from_fork+0x1f/0x30 [ 140.361846][ T8487] Kernel Offset: disabled [ 140.366161][ T8487] Rebooting in 86400 seconds..