Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. executing program [ 55.094927][ T3500] Bluetooth: hci0: Unknown advertising packet type: 0x35 [ 55.095050][ T3500] ================================================================== [ 55.110268][ T3500] BUG: KASAN: slab-out-of-bounds in hci_le_meta_evt+0x11ed/0x3b90 [ 55.118104][ T3500] Read of size 1 at addr ffff888074a71c06 by task kworker/u5:1/3500 [ 55.126097][ T3500] [ 55.128419][ T3500] CPU: 1 PID: 3500 Comm: kworker/u5:1 Not tainted 5.15.120-syzkaller #0 [ 55.136742][ T3500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 55.146801][ T3500] Workqueue: hci0 hci_rx_work [ 55.151485][ T3500] Call Trace: [ 55.154764][ T3500] [ 55.157691][ T3500] dump_stack_lvl+0x1e3/0x2cb [ 55.162373][ T3500] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 55.168000][ T3500] ? _printk+0xd1/0x111 [ 55.172153][ T3500] ? __wake_up_klogd+0xcc/0x100 [ 55.177003][ T3500] ? panic+0x84d/0x84d [ 55.181066][ T3500] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 55.186526][ T3500] print_address_description+0x63/0x3b0 [ 55.192074][ T3500] ? hci_le_meta_evt+0x11ed/0x3b90 [ 55.197199][ T3500] kasan_report+0x16b/0x1c0 [ 55.201722][ T3500] ? hci_le_meta_evt+0x11ed/0x3b90 [ 55.206957][ T3500] hci_le_meta_evt+0x11ed/0x3b90 [ 55.211931][ T3500] ? __mutex_lock_common+0x444/0x25a0 [ 55.217338][ T3500] ? hci_remote_host_features_evt+0x260/0x260 [ 55.223433][ T3500] ? __mutex_unlock_slowpath+0x218/0x750 [ 55.229087][ T3500] ? hci_event_packet+0x3b4/0x1480 [ 55.234225][ T3500] ? mutex_unlock+0x10/0x10 [ 55.238740][ T3500] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 55.244727][ T3500] ? print_irqtrace_events+0x210/0x210 [ 55.250191][ T3500] hci_event_packet+0xc28/0x1480 [ 55.255140][ T3500] ? rcu_lock_release+0x20/0x20 [ 55.260014][ T3500] ? hci_send_to_monitor+0x99/0x4d0 [ 55.265235][ T3500] hci_rx_work+0x240/0x7d0 [ 55.269669][ T3500] ? do_raw_spin_unlock+0x137/0x8b0 [ 55.274884][ T3500] process_one_work+0x8a1/0x10c0 [ 55.279842][ T3500] ? worker_detach_from_pool+0x260/0x260 [ 55.285483][ T3500] ? _raw_spin_lock_irqsave+0x120/0x120 [ 55.291032][ T3500] ? wq_worker_running+0x97/0x170 [ 55.296054][ T3500] worker_thread+0xaca/0x1280 [ 55.300749][ T3500] kthread+0x3f6/0x4f0 [ 55.304815][ T3500] ? rcu_lock_release+0x20/0x20 [ 55.309674][ T3500] ? kthread_blkcg+0xd0/0xd0 [ 55.314261][ T3500] ret_from_fork+0x1f/0x30 [ 55.318686][ T3500] [ 55.321698][ T3500] [ 55.324018][ T3500] Allocated by task 3498: [ 55.328337][ T3500] ____kasan_kmalloc+0xba/0xf0 [ 55.333096][ T3500] __kmalloc_node_track_caller+0x195/0x390 [ 55.338898][ T3500] __alloc_skb+0x12c/0x590 [ 55.343314][ T3500] vhci_write+0xbc/0x430 [ 55.347556][ T3500] vfs_write+0xacf/0xe50 [ 55.351790][ T3500] ksys_write+0x1a2/0x2c0 [ 55.356117][ T3500] do_syscall_64+0x3d/0xb0 [ 55.360531][ T3500] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.366421][ T3500] [ 55.368734][ T3500] The buggy address belongs to the object at ffff888074a71800 [ 55.368734][ T3500] which belongs to the cache kmalloc-1k of size 1024 [ 55.382779][ T3500] The buggy address is located 6 bytes to the right of [ 55.382779][ T3500] 1024-byte region [ffff888074a71800, ffff888074a71c00) [ 55.396600][ T3500] The buggy address belongs to the page: [ 55.402235][ T3500] page:ffffea0001d29c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x74a70 [ 55.412384][ T3500] head:ffffea0001d29c00 order:3 compound_mapcount:0 compound_pincount:0 [ 55.420702][ T3500] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 55.428691][ T3500] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888011c41dc0 [ 55.437271][ T3500] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 55.445842][ T3500] page dumped because: kasan: bad access detected [ 55.452239][ T3500] page_owner tracks the page as allocated [ 55.457940][ T3500] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3498, ts 55090662219, free_ts 49156968547 [ 55.477045][ T3500] get_page_from_freelist+0x322a/0x33c0 [ 55.482593][ T3500] __alloc_pages+0x272/0x700 [ 55.487179][ T3500] new_slab+0xbb/0x4b0 [ 55.491240][ T3500] ___slab_alloc+0x6f6/0xe10 [ 55.495822][ T3500] kmem_cache_alloc_trace+0x1a0/0x290 [ 55.501186][ T3500] rxrpc_alloc_connection+0x72/0x420 [ 55.506471][ T3500] rxrpc_prealloc_service_connection+0x1f/0x5a0 [ 55.512706][ T3500] rxrpc_service_prealloc_one+0x2c5/0xf50 [ 55.518420][ T3500] rxrpc_kernel_charge_accept+0xce/0x100 [ 55.524044][ T3500] afs_charge_preallocation+0xb6/0x2b0 [ 55.529499][ T3500] afs_open_socket+0x455/0x600 [ 55.534254][ T3500] afs_net_init+0x7b5/0x990 [ 55.538753][ T3500] ops_init+0x356/0x600 [ 55.542909][ T3500] setup_net+0x358/0x9e0 [ 55.547146][ T3500] copy_net_ns+0x395/0x5d0 [ 55.551555][ T3500] create_new_namespaces+0x425/0x7a0 [ 55.556840][ T3500] page last free stack trace: [ 55.561502][ T3500] free_unref_page_prepare+0xc34/0xcf0 [ 55.566958][ T3500] free_unref_page+0x95/0x2d0 [ 55.571633][ T3500] skb_release_data+0x411/0x8a0 [ 55.576479][ T3500] __kfree_skb+0x4c/0x60 [ 55.580757][ T3500] tcp_recvmsg_locked+0x1629/0x29b0 [ 55.585954][ T3500] tcp_recvmsg+0x24e/0x7f0 [ 55.590366][ T3500] inet_recvmsg+0x157/0x280 [ 55.594874][ T3500] sock_read_iter+0x353/0x480 [ 55.599545][ T3500] vfs_read+0xa9f/0xe10 [ 55.603703][ T3500] ksys_read+0x1a2/0x2c0 [ 55.607939][ T3500] do_syscall_64+0x3d/0xb0 [ 55.612349][ T3500] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 55.618247][ T3500] [ 55.620562][ T3500] Memory state around the buggy address: [ 55.626269][ T3500] ffff888074a71b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 55.634323][ T3500] ffff888074a71b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 55.642378][ T3500] >ffff888074a71c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.650426][ T3500] ^ [ 55.654481][ T3500] ffff888074a71c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.662552][ T3500] ffff888074a71d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.670602][ T3500] ================================================================== [ 55.678656][ T3500] Disabling lock debugging due to kernel taint [ 55.685113][ T3500] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 55.692317][ T3500] CPU: 1 PID: 3500 Comm: kworker/u5:1 Tainted: G B 5.15.120-syzkaller #0 [ 55.702051][ T3500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 55.712106][ T3500] Workqueue: hci0 hci_rx_work [ 55.716786][ T3500] Call Trace: [ 55.720049][ T3500] [ 55.722966][ T3500] dump_stack_lvl+0x1e3/0x2cb [ 55.727639][ T3500] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 55.733257][ T3500] ? panic+0x84d/0x84d [ 55.737312][ T3500] ? rcu_is_watching+0x11/0xa0 [ 55.742062][ T3500] ? preempt_schedule_common+0xa6/0xd0 [ 55.747511][ T3500] panic+0x318/0x84d [ 55.751388][ T3500] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 55.757528][ T3500] ? check_panic_on_warn+0x1d/0xa0 [ 55.762626][ T3500] ? fb_is_primary_device+0xcc/0xcc [ 55.767815][ T3500] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 55.773781][ T3500] ? _raw_spin_unlock+0x40/0x40 [ 55.778618][ T3500] check_panic_on_warn+0x7e/0xa0 [ 55.783545][ T3500] ? hci_le_meta_evt+0x11ed/0x3b90 [ 55.788645][ T3500] end_report+0x6d/0xf0 [ 55.792791][ T3500] kasan_report+0x18e/0x1c0 [ 55.797284][ T3500] ? hci_le_meta_evt+0x11ed/0x3b90 [ 55.802384][ T3500] hci_le_meta_evt+0x11ed/0x3b90 [ 55.807312][ T3500] ? __mutex_lock_common+0x444/0x25a0 [ 55.812678][ T3500] ? hci_remote_host_features_evt+0x260/0x260 [ 55.818748][ T3500] ? __mutex_unlock_slowpath+0x218/0x750 [ 55.824365][ T3500] ? hci_event_packet+0x3b4/0x1480 [ 55.829465][ T3500] ? mutex_unlock+0x10/0x10 [ 55.833954][ T3500] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 55.839921][ T3500] ? print_irqtrace_events+0x210/0x210 [ 55.845367][ T3500] hci_event_packet+0xc28/0x1480 [ 55.850295][ T3500] ? rcu_lock_release+0x20/0x20 [ 55.855135][ T3500] ? hci_send_to_monitor+0x99/0x4d0 [ 55.860320][ T3500] hci_rx_work+0x240/0x7d0 [ 55.864730][ T3500] ? do_raw_spin_unlock+0x137/0x8b0 [ 55.869916][ T3500] process_one_work+0x8a1/0x10c0 [ 55.874844][ T3500] ? worker_detach_from_pool+0x260/0x260 [ 55.880464][ T3500] ? _raw_spin_lock_irqsave+0x120/0x120 [ 55.886017][ T3500] ? wq_worker_running+0x97/0x170 [ 55.891032][ T3500] worker_thread+0xaca/0x1280 [ 55.895702][ T3500] kthread+0x3f6/0x4f0 [ 55.899756][ T3500] ? rcu_lock_release+0x20/0x20 [ 55.904591][ T3500] ? kthread_blkcg+0xd0/0xd0 [ 55.909165][ T3500] ret_from_fork+0x1f/0x30 [ 55.913573][ T3500] [ 55.916859][ T3500] Kernel Offset: disabled [ 55.921175][ T3500] Rebooting in 86400 seconds..