Warning: Permanently added '10.128.1.174' (ED25519) to the list of known hosts. executing program [ 51.391180][ T3509] ================================================================== [ 51.399434][ T3509] BUG: KASAN: slab-out-of-bounds in hci_le_meta_evt+0x11db/0x3df0 [ 51.407252][ T3509] Read of size 1 at addr ffff888147baf604 by task kworker/u5:2/3509 [ 51.415217][ T3509] [ 51.417530][ T3509] CPU: 0 PID: 3509 Comm: kworker/u5:2 Not tainted 5.15.153-syzkaller #0 [ 51.425841][ T3509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 51.435900][ T3509] Workqueue: hci0 hci_rx_work [ 51.440576][ T3509] Call Trace: [ 51.443864][ T3509] [ 51.446798][ T3509] dump_stack_lvl+0x1e3/0x2cb [ 51.451486][ T3509] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 51.457114][ T3509] ? _printk+0xd1/0x111 [ 51.461260][ T3509] ? __wake_up_klogd+0xcc/0x100 [ 51.466096][ T3509] ? panic+0x84d/0x84d [ 51.470149][ T3509] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 51.475606][ T3509] print_address_description+0x63/0x3b0 [ 51.481143][ T3509] ? hci_le_meta_evt+0x11db/0x3df0 [ 51.486237][ T3509] kasan_report+0x16b/0x1c0 [ 51.490740][ T3509] ? hci_le_meta_evt+0x11db/0x3df0 [ 51.495849][ T3509] hci_le_meta_evt+0x11db/0x3df0 [ 51.500784][ T3509] ? __mutex_lock_common+0x444/0x25a0 [ 51.506170][ T3509] ? hci_remote_host_features_evt+0x280/0x280 [ 51.512226][ T3509] ? __mutex_unlock_slowpath+0x218/0x750 [ 51.517848][ T3509] ? hci_event_packet+0x3b4/0x1550 [ 51.522952][ T3509] ? mutex_unlock+0x10/0x10 [ 51.527478][ T3509] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 51.533452][ T3509] ? print_irqtrace_events+0x210/0x210 [ 51.538903][ T3509] hci_event_packet+0xc41/0x1550 [ 51.543857][ T3509] ? rcu_lock_release+0x20/0x20 [ 51.548707][ T3509] ? hci_send_to_monitor+0x99/0x4d0 [ 51.553898][ T3509] hci_rx_work+0x232/0x990 [ 51.558310][ T3509] process_one_work+0x8a1/0x10c0 [ 51.563269][ T3509] ? worker_detach_from_pool+0x260/0x260 [ 51.568895][ T3509] ? _raw_spin_lock_irqsave+0x120/0x120 [ 51.574429][ T3509] ? kthread_data+0x4e/0xc0 [ 51.578924][ T3509] ? wq_worker_running+0x97/0x170 [ 51.583938][ T3509] worker_thread+0xaca/0x1280 [ 51.588605][ T3509] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 51.594520][ T3509] kthread+0x3f6/0x4f0 [ 51.598596][ T3509] ? rcu_lock_release+0x20/0x20 [ 51.603445][ T3509] ? kthread_blkcg+0xd0/0xd0 [ 51.608037][ T3509] ret_from_fork+0x1f/0x30 [ 51.612471][ T3509] [ 51.615488][ T3509] [ 51.617798][ T3509] Allocated by task 3505: [ 51.622105][ T3509] ____kasan_kmalloc+0xba/0xf0 [ 51.626853][ T3509] __kmalloc_node_track_caller+0x195/0x390 [ 51.632648][ T3509] __alloc_skb+0x12c/0x590 [ 51.637072][ T3509] vhci_write+0xbc/0x430 [ 51.641297][ T3509] vfs_write+0xacf/0xe50 [ 51.645521][ T3509] ksys_write+0x1a2/0x2c0 [ 51.649835][ T3509] do_syscall_64+0x3d/0xb0 [ 51.654241][ T3509] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 51.660126][ T3509] [ 51.662435][ T3509] The buggy address belongs to the object at ffff888147baf400 [ 51.662435][ T3509] which belongs to the cache kmalloc-512 of size 512 [ 51.676467][ T3509] The buggy address is located 4 bytes to the right of [ 51.676467][ T3509] 512-byte region [ffff888147baf400, ffff888147baf600) [ 51.690077][ T3509] The buggy address belongs to the page: [ 51.695691][ T3509] page:ffffea00051eeb00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x147bac [ 51.705913][ T3509] head:ffffea00051eeb00 order:2 compound_mapcount:0 compound_pincount:0 [ 51.714235][ T3509] flags: 0x57ff00000010200(slab|head|node=1|zone=2|lastcpupid=0x7ff) [ 51.722313][ T3509] raw: 057ff00000010200 0000000000000000 0000000600000001 ffff888011c41c80 [ 51.730909][ T3509] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 51.739476][ T3509] page dumped because: kasan: bad access detected [ 51.745877][ T3509] page_owner tracks the page as allocated [ 51.751575][ T3509] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 12197824402, free_ts 12120509394 [ 51.770402][ T3509] get_page_from_freelist+0x322a/0x33c0 [ 51.775962][ T3509] __alloc_pages+0x272/0x700 [ 51.780554][ T3509] alloc_page_interleave+0x22/0x1c0 [ 51.785754][ T3509] new_slab+0xbb/0x4b0 [ 51.789808][ T3509] ___slab_alloc+0x6f6/0xe10 [ 51.794405][ T3509] kmem_cache_alloc_trace+0x1a0/0x290 [ 51.799852][ T3509] device_add+0xb5/0xfd0 [ 51.804093][ T3509] device_create_with_groups+0x254/0x2e0 [ 51.809715][ T3509] misc_register+0x250/0x480 [ 51.814310][ T3509] ucma_init+0x13/0xfe [ 51.818371][ T3509] do_one_initcall+0x22b/0x7a0 [ 51.823120][ T3509] do_initcall_level+0x157/0x207 [ 51.828042][ T3509] do_initcalls+0x49/0x86 [ 51.832368][ T3509] kernel_init_freeable+0x425/0x5b5 [ 51.837556][ T3509] kernel_init+0x19/0x290 [ 51.841986][ T3509] ret_from_fork+0x1f/0x30 [ 51.846392][ T3509] page last free stack trace: [ 51.851065][ T3509] free_unref_page_prepare+0xc34/0xcf0 [ 51.856516][ T3509] free_unref_page+0x95/0x2d0 [ 51.861183][ T3509] stack_depot_save+0x3ef/0x440 [ 51.866024][ T3509] ____kasan_kmalloc+0xd1/0xf0 [ 51.870775][ T3509] kmem_cache_alloc_trace+0x143/0x290 [ 51.876132][ T3509] kobject_uevent_env+0x283/0x8d0 [ 51.881147][ T3509] kset_register+0x171/0x1d0 [ 51.885728][ T3509] __class_register+0x23a/0x3c0 [ 51.890569][ T3509] mISDNInit+0x4d/0x120 [ 51.894714][ T3509] do_one_initcall+0x22b/0x7a0 [ 51.899466][ T3509] do_initcall_level+0x157/0x207 [ 51.904395][ T3509] do_initcalls+0x49/0x86 [ 51.908729][ T3509] kernel_init_freeable+0x425/0x5b5 [ 51.914020][ T3509] kernel_init+0x19/0x290 [ 51.918427][ T3509] ret_from_fork+0x1f/0x30 [ 51.922846][ T3509] [ 51.925176][ T3509] Memory state around the buggy address: [ 51.930791][ T3509] ffff888147baf500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.938841][ T3509] ffff888147baf580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.946907][ T3509] >ffff888147baf600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.954966][ T3509] ^ [ 51.959023][ T3509] ffff888147baf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.967086][ T3509] ffff888147baf700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.975140][ T3509] ================================================================== [ 51.983196][ T3509] Disabling lock debugging due to kernel taint [ 51.993395][ T3509] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 52.000606][ T3509] CPU: 0 PID: 3509 Comm: kworker/u5:2 Tainted: G B 5.15.153-syzkaller #0 [ 52.010392][ T3509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 52.020436][ T3509] Workqueue: hci0 hci_rx_work [ 52.025200][ T3509] Call Trace: [ 52.028465][ T3509] [ 52.031406][ T3509] dump_stack_lvl+0x1e3/0x2cb [ 52.036112][ T3509] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 52.041745][ T3509] ? panic+0x84d/0x84d [ 52.045827][ T3509] ? rcu_is_watching+0x11/0xa0 [ 52.050582][ T3509] ? preempt_schedule_common+0xa6/0xd0 [ 52.056032][ T3509] panic+0x318/0x84d [ 52.059939][ T3509] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 52.066085][ T3509] ? check_panic_on_warn+0x1d/0xa0 [ 52.071186][ T3509] ? fb_is_primary_device+0xcc/0xcc [ 52.076394][ T3509] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 52.082365][ T3509] ? _raw_spin_unlock+0x40/0x40 [ 52.087220][ T3509] check_panic_on_warn+0x7e/0xa0 [ 52.092177][ T3509] ? hci_le_meta_evt+0x11db/0x3df0 [ 52.097277][ T3509] end_report+0x6d/0xf0 [ 52.101419][ T3509] kasan_report+0x18e/0x1c0 [ 52.105922][ T3509] ? hci_le_meta_evt+0x11db/0x3df0 [ 52.111024][ T3509] hci_le_meta_evt+0x11db/0x3df0 [ 52.115954][ T3509] ? __mutex_lock_common+0x444/0x25a0 [ 52.121339][ T3509] ? hci_remote_host_features_evt+0x280/0x280 [ 52.127487][ T3509] ? __mutex_unlock_slowpath+0x218/0x750 [ 52.133116][ T3509] ? hci_event_packet+0x3b4/0x1550 [ 52.138227][ T3509] ? mutex_unlock+0x10/0x10 [ 52.142726][ T3509] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 52.149137][ T3509] ? print_irqtrace_events+0x210/0x210 [ 52.154594][ T3509] hci_event_packet+0xc41/0x1550 [ 52.159522][ T3509] ? rcu_lock_release+0x20/0x20 [ 52.164360][ T3509] ? hci_send_to_monitor+0x99/0x4d0 [ 52.169547][ T3509] hci_rx_work+0x232/0x990 [ 52.173955][ T3509] process_one_work+0x8a1/0x10c0 [ 52.178886][ T3509] ? worker_detach_from_pool+0x260/0x260 [ 52.184525][ T3509] ? _raw_spin_lock_irqsave+0x120/0x120 [ 52.190075][ T3509] ? kthread_data+0x4e/0xc0 [ 52.194563][ T3509] ? wq_worker_running+0x97/0x170 [ 52.199590][ T3509] worker_thread+0xaca/0x1280 [ 52.204258][ T3509] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 52.210154][ T3509] kthread+0x3f6/0x4f0 [ 52.214232][ T3509] ? rcu_lock_release+0x20/0x20 [ 52.219074][ T3509] ? kthread_blkcg+0xd0/0xd0 [ 52.223666][ T3509] ret_from_fork+0x1f/0x30 [ 52.228089][ T3509] [ 52.231406][ T3509] Kernel Offset: disabled [ 52.235726][ T3509] Rebooting in 86400 seconds..