Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts. [ 122.797107][ T3615] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 122.805029][ T3615] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 122.812685][ T3615] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 122.820750][ T3615] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 122.828766][ T3615] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 122.836015][ T3615] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 124.877304][ T6] Bluetooth: hci0: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 126.946729][ T31] Bluetooth: hci0: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 129.026611][ T31] Bluetooth: hci0: command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 131.106738][ T6] Bluetooth: hci0: command 0x0419 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 133.186625][ T6] Bluetooth: hci0: command 0x0405 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 135.266595][ T31] Bluetooth: hci0: command 0x0405 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 163.187602][ T6] ================================================================== [ 163.195766][ T6] BUG: KASAN: use-after-free in sco_sock_timeout+0x64/0x290 [ 163.203063][ T6] Write of size 4 at addr ffff88801e1f5080 by task kworker/0:0/6 [ 163.210780][ T6] [ 163.213096][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.17.0-rc4-syzkaller-01424-g922ea87ff6f2 #0 [ 163.222996][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.233140][ T6] Workqueue: events sco_sock_timeout [ 163.238427][ T6] Call Trace: [ 163.241785][ T6] [ 163.244712][ T6] dump_stack_lvl+0xcd/0x134 [ 163.249303][ T6] print_address_description.constprop.0.cold+0x8d/0x336 [ 163.256325][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.261256][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.266185][ T6] kasan_report.cold+0x83/0xdf [ 163.270948][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.275881][ T6] kasan_check_range+0x13d/0x180 [ 163.280818][ T6] sco_sock_timeout+0x64/0x290 [ 163.285576][ T6] process_one_work+0x9ac/0x1650 [ 163.290519][ T6] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 163.296060][ T6] ? rwlock_bug.part.0+0x90/0x90 [ 163.300999][ T6] ? _raw_spin_lock_irq+0x41/0x50 [ 163.306028][ T6] worker_thread+0x657/0x1110 [ 163.310712][ T6] ? process_one_work+0x1650/0x1650 [ 163.315904][ T6] kthread+0x2e9/0x3a0 [ 163.319968][ T6] ? kthread_complete_and_exit+0x40/0x40 [ 163.325600][ T6] ret_from_fork+0x1f/0x30 [ 163.330031][ T6] [ 163.333038][ T6] [ 163.335348][ T6] Allocated by task 3621: [ 163.339659][ T6] kasan_save_stack+0x1e/0x40 [ 163.344336][ T6] __kasan_kmalloc+0xa9/0xd0 [ 163.348924][ T6] sk_prot_alloc+0x110/0x290 [ 163.353506][ T6] sk_alloc+0x32/0xa80 [ 163.357565][ T6] sco_sock_alloc.constprop.0+0x31/0x330 [ 163.363188][ T6] sco_sock_create+0xd5/0x1b0 [ 163.367854][ T6] bt_sock_create+0x17c/0x340 [ 163.372528][ T6] __sock_create+0x353/0x790 [ 163.377123][ T6] __sys_socket+0xef/0x200 [ 163.381638][ T6] __x64_sys_socket+0x6f/0xb0 [ 163.386323][ T6] do_syscall_64+0x35/0xb0 [ 163.390733][ T6] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.396629][ T6] [ 163.398942][ T6] Freed by task 3622: [ 163.402908][ T6] kasan_save_stack+0x1e/0x40 [ 163.408104][ T6] kasan_set_track+0x21/0x30 [ 163.412699][ T6] kasan_set_free_info+0x20/0x30 [ 163.417715][ T6] ____kasan_slab_free+0x126/0x160 [ 163.422824][ T6] slab_free_freelist_hook+0x8b/0x1c0 [ 163.428197][ T6] kfree+0xd0/0x390 [ 163.432002][ T6] __sk_destruct+0x6c0/0x920 [ 163.436605][ T6] sk_destruct+0x131/0x180 [ 163.441029][ T6] __sk_free+0xef/0x3d0 [ 163.445196][ T6] sk_free+0x78/0xa0 [ 163.449096][ T6] sco_sock_kill+0x18d/0x1b0 [ 163.453879][ T6] sco_sock_release+0x155/0x2c0 [ 163.458722][ T6] __sock_release+0xcd/0x280 [ 163.463308][ T6] sock_close+0x18/0x20 [ 163.467458][ T6] __fput+0x286/0x9f0 [ 163.471435][ T6] task_work_run+0xdd/0x1a0 [ 163.475930][ T6] get_signal+0x1de2/0x2490 [ 163.480436][ T6] arch_do_signal_or_restart+0x2a9/0x1c40 [ 163.486154][ T6] exit_to_user_mode_prepare+0x17d/0x290 [ 163.491782][ T6] syscall_exit_to_user_mode+0x19/0x60 [ 163.497244][ T6] do_syscall_64+0x42/0xb0 [ 163.501682][ T6] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.507697][ T6] [ 163.510028][ T6] The buggy address belongs to the object at ffff88801e1f5000 [ 163.510028][ T6] which belongs to the cache kmalloc-2k of size 2048 [ 163.524081][ T6] The buggy address is located 128 bytes inside of [ 163.524081][ T6] 2048-byte region [ffff88801e1f5000, ffff88801e1f5800) [ 163.537523][ T6] The buggy address belongs to the page: [ 163.543136][ T6] page:ffffea0000787c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e1f0 [ 163.553448][ T6] head:ffffea0000787c00 order:3 compound_mapcount:0 compound_pincount:0 [ 163.561757][ T6] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 163.569738][ T6] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c42000 [ 163.578310][ T6] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 163.586968][ T6] page dumped because: kasan: bad access detected [ 163.593363][ T6] page_owner tracks the page as allocated [ 163.599057][ T6] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3614, ts 122880165805, free_ts 122869063806 [ 163.618318][ T6] get_page_from_freelist+0xa72/0x2f50 [ 163.623785][ T6] __alloc_pages+0x1b2/0x500 [ 163.628550][ T6] alloc_pages+0x1aa/0x310 [ 163.633048][ T6] allocate_slab+0x27f/0x3c0 [ 163.637632][ T6] ___slab_alloc+0xbe1/0x12b0 [ 163.642300][ T6] __slab_alloc.constprop.0+0x4d/0xa0 [ 163.647665][ T6] kmem_cache_alloc_trace+0x2f8/0x3d0 [ 163.653034][ T6] ipv6_add_dev+0xfe/0x12a0 [ 163.657527][ T6] addrconf_notify+0x614/0x1ba0 [ 163.662369][ T6] notifier_call_chain+0xb5/0x200 [ 163.667574][ T6] call_netdevice_notifiers_info+0xb5/0x130 [ 163.673455][ T6] register_netdevice+0x1102/0x15a0 [ 163.678826][ T6] register_netdev+0x2d/0x50 [ 163.683408][ T6] ip6gre_init_net+0x3cd/0x630 [ 163.688160][ T6] ops_init+0xaf/0x470 [ 163.692225][ T6] setup_net+0x5d1/0xc50 [ 163.696460][ T6] page last free stack trace: [ 163.701117][ T6] free_pcp_prepare+0x374/0x870 [ 163.705963][ T6] free_unref_page+0x19/0x690 [ 163.710718][ T6] __unfreeze_partials+0x320/0x340 [ 163.715822][ T6] qlist_free_all+0x6d/0x160 [ 163.720406][ T6] kasan_quarantine_reduce+0x180/0x200 [ 163.725856][ T6] __kasan_slab_alloc+0xa2/0xc0 [ 163.730697][ T6] kmem_cache_alloc_trace+0x258/0x3d0 [ 163.736061][ T6] ref_tracker_alloc+0x14c/0x550 [ 163.740995][ T6] netdev_queue_update_kobjects+0x1a7/0x4e0 [ 163.746886][ T6] netdev_register_kobject+0x35a/0x430 [ 163.752339][ T6] register_netdevice+0xd9d/0x15a0 [ 163.757443][ T6] __ip_tunnel_create+0x398/0x5c0 [ 163.762464][ T6] ip_tunnel_init_net+0x2e4/0x9d0 [ 163.767483][ T6] ops_init+0xaf/0x470 [ 163.771543][ T6] setup_net+0x5d1/0xc50 [ 163.775775][ T6] copy_net_ns+0x318/0x760 [ 163.780183][ T6] [ 163.782491][ T6] Memory state around the buggy address: [ 163.788106][ T6] ffff88801e1f4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 163.796153][ T6] ffff88801e1f5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 163.804199][ T6] >ffff88801e1f5080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 163.812327][ T6] ^ [ 163.816394][ T6] ffff88801e1f5100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 163.824441][ T6] ffff88801e1f5180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 163.832484][ T6] ================================================================== [ 163.840527][ T6] Disabling lock debugging due to kernel taint [ 163.846779][ T6] Kernel panic - not syncing: panic_on_warn set ... [ 163.853355][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Tainted: G B 5.17.0-rc4-syzkaller-01424-g922ea87ff6f2 #0 [ 163.864624][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.874663][ T6] Workqueue: events sco_sock_timeout [ 163.879940][ T6] Call Trace: [ 163.883204][ T6] [ 163.886125][ T6] dump_stack_lvl+0xcd/0x134 [ 163.890710][ T6] panic+0x2b0/0x6dd [ 163.894609][ T6] ? __warn_printk+0xf3/0xf3 [ 163.899191][ T6] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 163.905337][ T6] ? trace_hardirqs_on+0x38/0x1c0 [ 163.910345][ T6] ? trace_hardirqs_on+0x51/0x1c0 [ 163.915355][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.920279][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.925199][ T6] end_report.cold+0x63/0x6f [ 163.929778][ T6] kasan_report.cold+0x71/0xdf [ 163.934529][ T6] ? sco_sock_timeout+0x64/0x290 [ 163.939450][ T6] kasan_check_range+0x13d/0x180 [ 163.944377][ T6] sco_sock_timeout+0x64/0x290 [ 163.949129][ T6] process_one_work+0x9ac/0x1650 [ 163.954057][ T6] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 163.959417][ T6] ? rwlock_bug.part.0+0x90/0x90 [ 163.964351][ T6] ? _raw_spin_lock_irq+0x41/0x50 [ 163.969361][ T6] worker_thread+0x657/0x1110 [ 163.974026][ T6] ? process_one_work+0x1650/0x1650 [ 163.979209][ T6] kthread+0x2e9/0x3a0 [ 163.983264][ T6] ? kthread_complete_and_exit+0x40/0x40 [ 163.988887][ T6] ret_from_fork+0x1f/0x30 [ 163.993298][ T6] [ 163.996463][ T6] Kernel Offset: disabled [ 164.000772][ T6] Rebooting in 86400 seconds..