Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. [ 69.685865][ T4252] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.694041][ T4256] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.702117][ T4256] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.710111][ T4256] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.718157][ T4256] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.725518][ T4256] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.797061][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.805344][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.813992][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.833564][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 69.841498][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.849964][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 70.135056][ T26] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 70.317234][ T26] usb 1-1: config 0 has an invalid interface number: 226 but max is 0 [ 70.325644][ T26] usb 1-1: config 0 has no interface number 0 [ 70.331994][ T26] usb 1-1: config 0 interface 226 has no altsetting 0 [ 70.338819][ T26] usb 1-1: New USB device found, idVendor=0424, idProduct=cf19, bcdDevice=a5.88 [ 70.347980][ T26] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.359201][ T26] usb 1-1: config 0 descriptor?? [ 70.567290][ T26] usb 1-1: string descriptor 0 read error: -71 [ 70.592270][ T26] usb 1-1: USB disconnect, device number 2 [ 70.621357][ T26] ================================================================== [ 70.629448][ T26] BUG: KASAN: use-after-free in hdm_disconnect+0x109/0x1c0 [ 70.636657][ T26] Read of size 8 at addr ffff888079a69898 by task kworker/1:1/26 [ 70.644448][ T26] [ 70.646802][ T26] CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.140-syzkaller #0 [ 70.654766][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 70.664809][ T26] Workqueue: usb_hub_wq hub_event [ 70.669838][ T26] Call Trace: [ 70.673107][ T26] [ 70.676024][ T26] dump_stack_lvl+0x168/0x22e [ 70.680698][ T26] ? __lock_acquire+0x7c50/0x7c50 [ 70.685711][ T26] ? show_regs_print_info+0x12/0x12 [ 70.690896][ T26] ? load_image+0x3b0/0x3b0 [ 70.695384][ T26] ? __virt_addr_valid+0x465/0x540 [ 70.700490][ T26] ? hdm_disconnect+0x109/0x1c0 [ 70.705347][ T26] print_report+0xa8/0x220 [ 70.709771][ T26] kasan_report+0x10b/0x140 [ 70.714283][ T26] ? hdm_disconnect+0x109/0x1c0 [ 70.719131][ T26] hdm_disconnect+0x109/0x1c0 [ 70.723804][ T26] usb_unbind_interface+0x1ee/0x860 [ 70.728991][ T26] ? kernfs_remove_by_name_ns+0x113/0x150 [ 70.734700][ T26] ? usb_driver_release_interface+0x1b0/0x1b0 [ 70.740763][ T26] device_release_driver_internal+0x522/0x850 [ 70.746828][ T26] bus_remove_device+0x2e2/0x400 [ 70.751760][ T26] device_del+0x628/0xa70 [ 70.756078][ T26] ? kill_device+0x160/0x160 [ 70.760667][ T26] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 70.766642][ T26] ? usb_disconnect+0x107/0x8a0 [ 70.771489][ T26] ? mutex_lock_nested+0x10/0x10 [ 70.776417][ T26] ? _raw_spin_lock_irq+0xab/0xe0 [ 70.781447][ T26] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 70.786809][ T26] usb_disable_device+0x3e2/0x890 [ 70.791823][ T26] usb_disconnect+0x348/0x8a0 [ 70.796503][ T26] hub_event+0x1d20/0x5210 [ 70.800913][ T26] ? verify_lock_unused+0x140/0x140 [ 70.806119][ T26] ? led_work+0x6e0/0x6e0 [ 70.810444][ T26] ? read_lock_is_recursive+0x10/0x10 [ 70.815816][ T26] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 70.821708][ T26] ? _raw_spin_unlock+0x40/0x40 [ 70.826568][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 70.831760][ T26] ? process_one_work+0x7a1/0x1160 [ 70.836861][ T26] process_one_work+0x898/0x1160 [ 70.841788][ T26] ? worker_detach_from_pool+0x240/0x240 [ 70.847409][ T26] ? _raw_spin_lock_irq+0xab/0xe0 [ 70.852440][ T26] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 70.857819][ T26] ? kthread_data+0x4b/0xc0 [ 70.862330][ T26] worker_thread+0xd62/0x1250 [ 70.867011][ T26] kthread+0x29d/0x330 [ 70.871087][ T26] ? worker_clr_flags+0x1a0/0x1a0 [ 70.876101][ T26] ? kthread_blkcg+0xd0/0xd0 [ 70.880703][ T26] ret_from_fork+0x1f/0x30 [ 70.885129][ T26] [ 70.888146][ T26] [ 70.890477][ T26] Allocated by task 26: [ 70.894629][ T26] kasan_set_track+0x4b/0x70 [ 70.899218][ T26] __kasan_kmalloc+0x8e/0xa0 [ 70.903800][ T26] hdm_probe+0x8f/0x13d0 [ 70.908029][ T26] usb_probe_interface+0x5a0/0xaf0 [ 70.913147][ T26] really_probe+0x2aa/0xc70 [ 70.917640][ T26] __driver_probe_device+0x18c/0x330 [ 70.922933][ T26] driver_probe_device+0x4f/0x420 [ 70.927960][ T26] __device_attach_driver+0x2c6/0x510 [ 70.933321][ T26] bus_for_each_drv+0x175/0x200 [ 70.938166][ T26] __device_attach+0x29b/0x460 [ 70.942924][ T26] bus_probe_device+0xbc/0x1e0 [ 70.947707][ T26] device_add+0xa00/0xfb0 [ 70.952035][ T26] usb_set_configuration+0x1991/0x1fd0 [ 70.957487][ T26] usb_generic_driver_probe+0x89/0x150 [ 70.962938][ T26] usb_probe_device+0x139/0x270 [ 70.967776][ T26] really_probe+0x2aa/0xc70 [ 70.972282][ T26] __driver_probe_device+0x18c/0x330 [ 70.977557][ T26] driver_probe_device+0x4f/0x420 [ 70.982563][ T26] __device_attach_driver+0x2c6/0x510 [ 70.987916][ T26] bus_for_each_drv+0x175/0x200 [ 70.992752][ T26] __device_attach+0x29b/0x460 [ 70.997508][ T26] bus_probe_device+0xbc/0x1e0 [ 71.002259][ T26] device_add+0xa00/0xfb0 [ 71.006577][ T26] usb_new_device+0xd4d/0x1620 [ 71.011334][ T26] hub_event+0x2b02/0x5210 [ 71.015753][ T26] process_one_work+0x898/0x1160 [ 71.020682][ T26] worker_thread+0xaa2/0x1250 [ 71.025352][ T26] kthread+0x29d/0x330 [ 71.029445][ T26] ret_from_fork+0x1f/0x30 [ 71.033857][ T26] [ 71.036168][ T26] Freed by task 26: [ 71.039962][ T26] kasan_set_track+0x4b/0x70 [ 71.044560][ T26] kasan_save_free_info+0x2d/0x50 [ 71.049575][ T26] ____kasan_slab_free+0x126/0x1e0 [ 71.054683][ T26] slab_free_freelist_hook+0x131/0x1a0 [ 71.060142][ T26] __kmem_cache_free+0xb6/0x1f0 [ 71.064981][ T26] device_release+0x92/0x1c0 [ 71.069558][ T26] kobject_put+0x21d/0x460 [ 71.073978][ T26] hdm_disconnect+0xef/0x1c0 [ 71.078567][ T26] usb_unbind_interface+0x1ee/0x860 [ 71.083837][ T26] device_release_driver_internal+0x522/0x850 [ 71.089902][ T26] bus_remove_device+0x2e2/0x400 [ 71.094841][ T26] device_del+0x628/0xa70 [ 71.099178][ T26] usb_disable_device+0x3e2/0x890 [ 71.104196][ T26] usb_disconnect+0x348/0x8a0 [ 71.108885][ T26] hub_event+0x1d20/0x5210 [ 71.109804][ T1278] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.113312][ T26] process_one_work+0x898/0x1160 [ 71.113335][ T26] worker_thread+0xd62/0x1250 [ 71.119776][ T1278] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.124529][ T26] kthread+0x29d/0x330 [ 71.139500][ T26] ret_from_fork+0x1f/0x30 [ 71.143913][ T26] [ 71.146239][ T26] The buggy address belongs to the object at ffff888079a68000 [ 71.146239][ T26] which belongs to the cache kmalloc-8k of size 8192 [ 71.160286][ T26] The buggy address is located 6296 bytes inside of [ 71.160286][ T26] 8192-byte region [ffff888079a68000, ffff888079a6a000) [ 71.173733][ T26] [ 71.176061][ T26] The buggy address belongs to the physical page: [ 71.182475][ T26] page:ffffea0001e69a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x79a68 [ 71.192619][ T26] head:ffffea0001e69a00 order:3 compound_mapcount:0 compound_pincount:0 [ 71.200934][ T26] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 71.208919][ T26] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888017442280 [ 71.217490][ T26] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 71.226062][ T26] page dumped because: kasan: bad access detected [ 71.232473][ T26] page_owner tracks the page as allocated [ 71.238179][ T26] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 26, tgid 26 (kworker/1:1), ts 70577191636, free_ts 61072107354 [ 71.259104][ T26] post_alloc_hook+0x173/0x1a0 [ 71.263874][ T26] get_page_from_freelist+0x1a26/0x1ac0 [ 71.269415][ T26] __alloc_pages+0x1df/0x4e0 [ 71.273997][ T26] alloc_slab_page+0x5d/0x160 [ 71.278668][ T26] new_slab+0x87/0x2c0 [ 71.282745][ T26] ___slab_alloc+0xbc6/0x1220 [ 71.287413][ T26] __kmem_cache_alloc_node+0x1a0/0x260 [ 71.292858][ T26] kmalloc_trace+0x26/0xe0 [ 71.297280][ T26] hdm_probe+0x8f/0x13d0 [ 71.301513][ T26] usb_probe_interface+0x5a0/0xaf0 [ 71.306613][ T26] really_probe+0x2aa/0xc70 [ 71.311098][ T26] __driver_probe_device+0x18c/0x330 [ 71.316376][ T26] driver_probe_device+0x4f/0x420 [ 71.321380][ T26] __device_attach_driver+0x2c6/0x510 [ 71.326732][ T26] bus_for_each_drv+0x175/0x200 [ 71.331565][ T26] __device_attach+0x29b/0x460 [ 71.336319][ T26] page last free stack trace: [ 71.340971][ T26] free_unref_page_prepare+0x8b4/0x9a0 [ 71.346424][ T26] free_unref_page+0x2e/0x3f0 [ 71.351090][ T26] skb_release_data+0x499/0x7c0 [ 71.355935][ T26] skb_attempt_defer_free+0x107/0x410 [ 71.361295][ T26] tcp_recvmsg_locked+0x1190/0x22f0 [ 71.366481][ T26] tcp_recvmsg+0x212/0x810 [ 71.370884][ T26] inet_recvmsg+0x12c/0x1e0 [ 71.375404][ T26] sock_read_iter+0x2bf/0x370 [ 71.380082][ T26] vfs_read+0x434/0x920 [ 71.384235][ T26] ksys_read+0x143/0x240 [ 71.388483][ T26] do_syscall_64+0x4c/0xa0 [ 71.392912][ T26] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 71.398804][ T26] [ 71.401115][ T26] Memory state around the buggy address: [ 71.406732][ T26] ffff888079a69780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 71.414778][ T26] ffff888079a69800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 71.422830][ T26] >ffff888079a69880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 71.430878][ T26] ^ [ 71.435719][ T26] ffff888079a69900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 71.443782][ T26] ffff888079a69980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 71.451831][ T26] ================================================================== [ 71.460511][ T26] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 71.467721][ T26] CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.1.140-syzkaller #0 [ 71.475702][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.485751][ T26] Workqueue: usb_hub_wq hub_event [ 71.490771][ T26] Call Trace: [ 71.494041][ T26] [ 71.496968][ T26] dump_stack_lvl+0x168/0x22e [ 71.501644][ T26] ? memcpy+0x3c/0x60 [ 71.505616][ T26] ? show_regs_print_info+0x12/0x12 [ 71.510810][ T26] ? load_image+0x3b0/0x3b0 [ 71.515317][ T26] panic+0x2c9/0x710 [ 71.519321][ T26] ? bpf_jit_dump+0xd0/0xd0 [ 71.523828][ T26] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 71.529721][ T26] ? _raw_spin_unlock+0x40/0x40 [ 71.534574][ T26] ? print_memory_metadata+0x314/0x400 [ 71.540037][ T26] check_panic_on_warn+0x80/0xa0 [ 71.544980][ T26] ? hdm_disconnect+0x109/0x1c0 [ 71.549829][ T26] end_report+0x66/0x110 [ 71.554072][ T26] kasan_report+0x118/0x140 [ 71.558577][ T26] ? hdm_disconnect+0x109/0x1c0 [ 71.563423][ T26] hdm_disconnect+0x109/0x1c0 [ 71.568090][ T26] usb_unbind_interface+0x1ee/0x860 [ 71.573292][ T26] ? kernfs_remove_by_name_ns+0x113/0x150 [ 71.579015][ T26] ? usb_driver_release_interface+0x1b0/0x1b0 [ 71.585094][ T26] device_release_driver_internal+0x522/0x850 [ 71.591165][ T26] bus_remove_device+0x2e2/0x400 [ 71.596138][ T26] device_del+0x628/0xa70 [ 71.600472][ T26] ? kill_device+0x160/0x160 [ 71.605081][ T26] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 71.611083][ T26] ? usb_disconnect+0x107/0x8a0 [ 71.615937][ T26] ? mutex_lock_nested+0x10/0x10 [ 71.620874][ T26] ? _raw_spin_lock_irq+0xab/0xe0 [ 71.625897][ T26] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 71.631286][ T26] usb_disable_device+0x3e2/0x890 [ 71.636312][ T26] usb_disconnect+0x348/0x8a0 [ 71.640999][ T26] hub_event+0x1d20/0x5210 [ 71.645414][ T26] ? verify_lock_unused+0x140/0x140 [ 71.650658][ T26] ? led_work+0x6e0/0x6e0 [ 71.654984][ T26] ? read_lock_is_recursive+0x10/0x10 [ 71.660364][ T26] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.666257][ T26] ? _raw_spin_unlock+0x40/0x40 [ 71.671102][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.676400][ T26] ? process_one_work+0x7a1/0x1160 [ 71.681498][ T26] process_one_work+0x898/0x1160 [ 71.686438][ T26] ? worker_detach_from_pool+0x240/0x240 [ 71.692067][ T26] ? _raw_spin_lock_irq+0xab/0xe0 [ 71.697090][ T26] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 71.702462][ T26] ? kthread_data+0x4b/0xc0 [ 71.706967][ T26] worker_thread+0xd62/0x1250 [ 71.711661][ T26] kthread+0x29d/0x330 [ 71.715733][ T26] ? worker_clr_flags+0x1a0/0x1a0 [ 71.720745][ T26] ? kthread_blkcg+0xd0/0xd0 [ 71.725336][ T26] ret_from_fork+0x1f/0x30 [ 71.729764][ T26] [ 71.733084][ T26] Kernel Offset: disabled [ 71.737405][ T26] Rebooting in 86400 seconds..