Warning: Permanently added '10.128.0.95' (ED25519) to the list of known hosts. 2025/09/09 10:31:10 parsed 1 programs [ 91.971658][ T5867] cgroup: Unknown subsys name 'net' [ 92.055292][ T980] cfg80211: failed to load regulatory.db [ 92.127536][ T5867] cgroup: Unknown subsys name 'cpuset' [ 92.136611][ T5867] cgroup: Unknown subsys name 'rlimit' [ 93.817054][ T5867] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.871103][ T5879] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 97.657256][ T5899] chnl_net:caif_netlink_parms(): no params data found [ 97.758263][ T5899] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.765672][ T5899] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.772893][ T5899] bridge_slave_0: entered allmulticast mode [ 97.781422][ T5899] bridge_slave_0: entered promiscuous mode [ 97.790533][ T5899] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.798013][ T5899] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.805502][ T5899] bridge_slave_1: entered allmulticast mode [ 97.812720][ T5899] bridge_slave_1: entered promiscuous mode [ 97.849984][ T5899] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.864778][ T5899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.903368][ T5899] team0: Port device team_slave_0 added [ 97.911516][ T5899] team0: Port device team_slave_1 added [ 97.941239][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.948246][ T5899] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 97.974631][ T5899] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.990607][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.997678][ T5899] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 98.024193][ T5899] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.074146][ T5899] hsr_slave_0: entered promiscuous mode [ 98.080555][ T5899] hsr_slave_1: entered promiscuous mode [ 98.235460][ T5899] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.248470][ T5899] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.259477][ T5899] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.270293][ T5899] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.305922][ T5899] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.313134][ T5899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.321070][ T5899] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.328218][ T5899] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.389362][ T5899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.411084][ T63] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.420308][ T63] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.438193][ T5899] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.454741][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.461879][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.480650][ T50] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.487838][ T50] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.678177][ T5899] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.720696][ T5899] veth0_vlan: entered promiscuous mode [ 98.733458][ T5899] veth1_vlan: entered promiscuous mode [ 98.762775][ T5899] veth0_macvtap: entered promiscuous mode [ 98.773524][ T5899] veth1_macvtap: entered promiscuous mode [ 98.796843][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.811145][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.829094][ T63] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.839471][ T63] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.854689][ T63] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 98.869789][ T63] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.002314][ T63] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.067913][ T63] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.121401][ T63] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.227111][ T63] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.277815][ T5941] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 100.286511][ T5941] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 100.294546][ T5941] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 100.302951][ T5941] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 100.311726][ T5941] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.560294][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.570224][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.600162][ T60] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.608372][ T60] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.411906][ T63] bridge_slave_1: left allmulticast mode [ 101.424407][ T63] bridge_slave_1: left promiscuous mode [ 101.430825][ T63] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.475402][ T63] bridge_slave_0: left allmulticast mode [ 101.481128][ T63] bridge_slave_0: left promiscuous mode [ 101.494297][ T63] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.950421][ T63] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.963267][ T63] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.975432][ T63] bond0 (unregistering): Released all slaves [ 102.096489][ T63] hsr_slave_0: left promiscuous mode [ 102.102792][ T63] hsr_slave_1: left promiscuous mode [ 102.109218][ T63] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 102.118379][ T63] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 102.127486][ T63] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 102.136542][ T63] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 102.158852][ T63] veth1_macvtap: left promiscuous mode [ 102.166794][ T63] veth0_macvtap: left promiscuous mode [ 102.172503][ T63] veth1_vlan: left promiscuous mode [ 102.179080][ T63] veth0_vlan: left promiscuous mode [ 102.620034][ T63] team0 (unregistering): Port device team_slave_1 removed [ 102.648719][ T63] team0 (unregistering): Port device team_slave_0 removed 2025/09/09 10:31:26 executed programs: 0 [ 104.219527][ T5941] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 104.231300][ T5941] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 104.239441][ T5941] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 104.251952][ T5941] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 104.259930][ T5941] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 104.822760][ T6015] chnl_net:caif_netlink_parms(): no params data found [ 104.994997][ T6015] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.002665][ T6015] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.010779][ T6015] bridge_slave_0: entered allmulticast mode [ 105.020718][ T6015] bridge_slave_0: entered promiscuous mode [ 105.030737][ T6015] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.038180][ T6015] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.054340][ T6015] bridge_slave_1: entered allmulticast mode [ 105.062815][ T6015] bridge_slave_1: entered promiscuous mode [ 105.130565][ T6015] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.143410][ T6015] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.206341][ T6015] team0: Port device team_slave_0 added [ 105.218103][ T6015] team0: Port device team_slave_1 added [ 105.266860][ T6015] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.274523][ T6015] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 105.301857][ T6015] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.316670][ T6015] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.325622][ T6015] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 105.351597][ T6015] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.458521][ T6015] hsr_slave_0: entered promiscuous mode [ 105.467105][ T6015] hsr_slave_1: entered promiscuous mode [ 105.951195][ T6015] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 105.966769][ T6015] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 105.983174][ T6015] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 105.994794][ T6015] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.111617][ T6015] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.137355][ T6015] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.153070][ T63] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.160300][ T63] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.178003][ T63] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.185222][ T63] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.295501][ T5941] Bluetooth: hci0: command tx timeout [ 106.465299][ T6015] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.522417][ T6015] veth0_vlan: entered promiscuous mode [ 106.540988][ T6015] veth1_vlan: entered promiscuous mode [ 106.583854][ T6015] veth0_macvtap: entered promiscuous mode [ 106.597755][ T6015] veth1_macvtap: entered promiscuous mode [ 106.624024][ T6015] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.640244][ T6015] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.659597][ T50] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.670015][ T50] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.685837][ T50] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.695363][ T50] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 106.785395][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.793258][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 106.849921][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 106.859387][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.154356][ T980] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 107.320619][ T980] usb 1-1: config 0 has an invalid interface number: 219 but max is 0 [ 107.332384][ T980] usb 1-1: config 0 has no interface number 0 [ 107.344422][ T980] usb 1-1: New USB device found, idVendor=14aa, idProduct=022b, bcdDevice=56.19 [ 107.354708][ T980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 107.362730][ T980] usb 1-1: Product: syz [ 107.367715][ T980] usb 1-1: Manufacturer: syz [ 107.372335][ T980] usb 1-1: SerialNumber: syz [ 107.382374][ T980] usb 1-1: config 0 descriptor?? [ 107.400070][ T980] dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state. [ 107.410738][ T980] dvb-usb: bulk message failed: -22 (2/0) [ 107.417722][ T980] dvb-usb: will use the device's hardware PID filter (table count: 15). [ 107.431798][ T980] dvbdev: DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)) [ 107.442757][ T980] usb 1-1: media controller created [ 107.451425][ T980] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. [ 107.469828][ T980] usb 1-1: DVB: registering adapter 1 frontend 0 (WideView USB DVB-T)... [ 107.479025][ T980] dvbdev: dvb_create_media_entity: media entity 'WideView USB DVB-T' registered. [ 107.563694][ T980] rc_core: IR keymap rc-dtt200u not found [ 107.569899][ T980] Registered IR keymap rc-empty [ 107.583059][ T980] rc rc0: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0 [ 107.608769][ T980] input: WideView WT-220U PenType Receiver (based on ZL353) as /devices/platform/dummy_hcd.0/usb1/1-1/rc/rc0/input5 [ 107.632310][ T980] dvb-usb: schedule remote query interval to 300 msecs. [ 107.640956][ T980] dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected. [ 107.664956][ T980] usb 1-1: USB disconnect, device number 2 [ 107.698496][ T980] ================================================================== [ 107.706603][ T980] BUG: KASAN: slab-use-after-free in media_devnode_unregister+0xe2/0xf0 [ 107.714968][ T980] Read of size 4 at addr ffff888144e904f0 by task kworker/1:2/980 [ 107.722785][ T980] [ 107.725135][ T980] CPU: 1 UID: 0 PID: 980 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT(full) [ 107.725159][ T980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 107.725173][ T980] Workqueue: usb_hub_wq hub_event [ 107.725203][ T980] Call Trace: [ 107.725211][ T980] [ 107.725219][ T980] dump_stack_lvl+0x189/0x250 [ 107.725250][ T980] ? rcu_is_watching+0x15/0xb0 [ 107.725271][ T980] ? __kasan_check_byte+0x12/0x40 [ 107.725293][ T980] ? __pfx_dump_stack_lvl+0x10/0x10 [ 107.725321][ T980] ? rcu_is_watching+0x15/0xb0 [ 107.725343][ T980] ? lock_release+0x4b/0x3e0 [ 107.725365][ T980] ? __virt_addr_valid+0x1c8/0x5c0 [ 107.725394][ T980] ? __virt_addr_valid+0x4a5/0x5c0 [ 107.725422][ T980] print_report+0xca/0x240 [ 107.725441][ T980] ? media_devnode_unregister+0xe2/0xf0 [ 107.725465][ T980] kasan_report+0x118/0x150 [ 107.725499][ T980] ? media_devnode_unregister+0xe2/0xf0 [ 107.725526][ T980] media_devnode_unregister+0xe2/0xf0 [ 107.725549][ T980] media_device_unregister+0x37c/0x400 [ 107.725574][ T980] dvb_usb_adapter_dvb_exit+0xf3/0x1b0 [ 107.725594][ T980] dvb_usb_adapter_exit+0x8b/0x240 [ 107.725623][ T980] dvb_usb_device_exit+0x1b6/0x350 [ 107.725650][ T980] ? lockdep_hardirqs_on+0x9c/0x150 [ 107.725676][ T980] ? __pfx_dvb_usb_device_exit+0x10/0x10 [ 107.725701][ T980] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 107.725728][ T980] ? usb_disable_interface+0x31d/0x350 [ 107.725749][ T980] usb_unbind_interface+0x26e/0x910 [ 107.725773][ T980] ? __pfx_usb_unbind_interface+0x10/0x10 [ 107.725793][ T980] device_release_driver_internal+0x4d6/0x800 [ 107.725820][ T980] bus_remove_device+0x34d/0x410 [ 107.725850][ T980] device_del+0x511/0x8e0 [ 107.725870][ T980] ? __pm_runtime_barrier+0x212/0x460 [ 107.725893][ T980] ? __pfx_device_del+0x10/0x10 [ 107.725912][ T980] ? __pfx___mutex_lock+0x10/0x10 [ 107.725942][ T980] usb_disable_device+0x3e9/0x8a0 [ 107.725964][ T980] usb_disconnect+0x330/0x950 [ 107.725994][ T980] hub_event+0x1cf5/0x4a20 [ 107.726023][ T980] ? do_raw_spin_lock+0x121/0x290 [ 107.726050][ T980] ? register_lock_class+0x51/0x320 [ 107.726105][ T980] ? __pfx_hub_event+0x10/0x10 [ 107.726125][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 107.726151][ T980] ? _raw_spin_unlock_irq+0x23/0x50 [ 107.726176][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 107.726198][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 107.726222][ T980] process_scheduled_works+0xae1/0x17b0 [ 107.726259][ T980] ? __pfx_process_scheduled_works+0x10/0x10 [ 107.726291][ T980] worker_thread+0x8a0/0xda0 [ 107.726316][ T980] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 107.726347][ T980] ? __kthread_parkme+0x7b/0x200 [ 107.726376][ T980] kthread+0x711/0x8a0 [ 107.726406][ T980] ? __pfx_worker_thread+0x10/0x10 [ 107.726429][ T980] ? __pfx_kthread+0x10/0x10 [ 107.726458][ T980] ? _raw_spin_unlock_irq+0x23/0x50 [ 107.726483][ T980] ? lockdep_hardirqs_on+0x9c/0x150 [ 107.726509][ T980] ? __pfx_kthread+0x10/0x10 [ 107.726537][ T980] ret_from_fork+0x47c/0x820 [ 107.726561][ T980] ? __pfx_ret_from_fork+0x10/0x10 [ 107.726587][ T980] ? __switch_to_asm+0x39/0x70 [ 107.726607][ T980] ? __switch_to_asm+0x33/0x70 [ 107.726626][ T980] ? __pfx_kthread+0x10/0x10 [ 107.726654][ T980] ret_from_fork_asm+0x1a/0x30 [ 107.726684][ T980] [ 107.726691][ T980] [ 108.047943][ T980] Allocated by task 980: [ 108.052197][ T980] kasan_save_track+0x3e/0x80 [ 108.056897][ T980] __kasan_kmalloc+0x93/0xb0 [ 108.061506][ T980] __kmalloc_cache_noprof+0x3d5/0x6f0 [ 108.066890][ T980] __media_device_register+0x58/0x280 [ 108.072286][ T980] dvb_usb_device_init+0x1bed/0x2580 [ 108.077615][ T980] dtt200u_usb_probe+0xb5/0x120 [ 108.082483][ T980] usb_probe_interface+0x665/0xc30 [ 108.087630][ T980] really_probe+0x26a/0x9e0 [ 108.092150][ T980] __driver_probe_device+0x18c/0x2f0 [ 108.097471][ T980] driver_probe_device+0x4f/0x430 [ 108.102523][ T980] __device_attach_driver+0x2ce/0x530 [ 108.107914][ T980] bus_for_each_drv+0x251/0x2e0 [ 108.112788][ T980] __device_attach+0x2b8/0x400 [ 108.117574][ T980] bus_probe_device+0x185/0x260 [ 108.122446][ T980] device_add+0x7b6/0xb50 [ 108.126798][ T980] usb_set_configuration+0x1a87/0x20e0 [ 108.132286][ T980] usb_generic_driver_probe+0x8d/0x150 [ 108.137758][ T980] usb_probe_device+0x1c1/0x390 [ 108.142630][ T980] really_probe+0x26a/0x9e0 [ 108.147150][ T980] __driver_probe_device+0x18c/0x2f0 [ 108.152545][ T980] driver_probe_device+0x4f/0x430 [ 108.157582][ T980] __device_attach_driver+0x2ce/0x530 [ 108.162969][ T980] bus_for_each_drv+0x251/0x2e0 [ 108.167842][ T980] __device_attach+0x2b8/0x400 [ 108.172624][ T980] bus_probe_device+0x185/0x260 [ 108.177631][ T980] device_add+0x7b6/0xb50 [ 108.181975][ T980] usb_new_device+0xa39/0x16f0 [ 108.186768][ T980] hub_event+0x2958/0x4a20 [ 108.191213][ T980] process_scheduled_works+0xae1/0x17b0 [ 108.196783][ T980] worker_thread+0x8a0/0xda0 [ 108.201404][ T980] kthread+0x711/0x8a0 [ 108.205509][ T980] ret_from_fork+0x47c/0x820 [ 108.210123][ T980] ret_from_fork_asm+0x1a/0x30 [ 108.214908][ T980] [ 108.217242][ T980] Freed by task 980: [ 108.221152][ T980] kasan_save_track+0x3e/0x80 [ 108.225846][ T980] __kasan_save_free_info+0x46/0x50 [ 108.231068][ T980] __kasan_slab_free+0x5b/0x80 [ 108.235850][ T980] kfree+0x199/0x6d0 [ 108.239778][ T980] media_devnode_release+0x61/0xa0 [ 108.244945][ T980] device_release+0x9c/0x1c0 [ 108.249570][ T980] kobject_put+0x228/0x480 [ 108.254033][ T980] media_devnode_unregister+0x6d/0xf0 [ 108.259449][ T980] media_device_unregister+0x37c/0x400 [ 108.264925][ T980] dvb_usb_adapter_dvb_exit+0xf3/0x1b0 [ 108.270474][ T980] dvb_usb_adapter_exit+0x8b/0x240 [ 108.275619][ T980] dvb_usb_device_exit+0x1b6/0x350 [ 108.280757][ T980] usb_unbind_interface+0x26e/0x910 [ 108.285978][ T980] device_release_driver_internal+0x4d6/0x800 [ 108.292067][ T980] bus_remove_device+0x34d/0x410 [ 108.297032][ T980] device_del+0x511/0x8e0 [ 108.301379][ T980] usb_disable_device+0x3e9/0x8a0 [ 108.306421][ T980] usb_disconnect+0x330/0x950 [ 108.311132][ T980] hub_event+0x1cf5/0x4a20 [ 108.315572][ T980] process_scheduled_works+0xae1/0x17b0 [ 108.321141][ T980] worker_thread+0x8a0/0xda0 [ 108.325751][ T980] kthread+0x711/0x8a0 [ 108.329851][ T980] ret_from_fork+0x47c/0x820 [ 108.334453][ T980] ret_from_fork_asm+0x1a/0x30 [ 108.339321][ T980] [ 108.341655][ T980] The buggy address belongs to the object at ffff888144e90000 [ 108.341655][ T980] which belongs to the cache kmalloc-2k of size 2048 [ 108.355724][ T980] The buggy address is located 1264 bytes inside of [ 108.355724][ T980] freed 2048-byte region [ffff888144e90000, ffff888144e90800) [ 108.369743][ T980] [ 108.372089][ T980] The buggy address belongs to the physical page: [ 108.378526][ T980] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x144e90 [ 108.387384][ T980] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 108.395890][ T980] flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff) [ 108.403544][ T980] page_type: f5(slab) [ 108.407568][ T980] raw: 057ff00000000040 ffff88801a842000 ffffea000512b600 dead000000000002 [ 108.416178][ T980] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 108.424789][ T980] head: 057ff00000000040 ffff88801a842000 ffffea000512b600 dead000000000002 [ 108.433479][ T980] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 108.442169][ T980] head: 057ff00000000003 ffffea000513a401 00000000ffffffff 00000000ffffffff [ 108.450860][ T980] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 108.459559][ T980] page dumped because: kasan: bad access detected [ 108.465990][ T980] page_owner tracks the page as allocated [ 108.471712][ T980] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 4002246788, free_ts 0 [ 108.491433][ T980] post_alloc_hook+0x240/0x2a0 [ 108.496214][ T980] get_page_from_freelist+0x21e4/0x22c0 [ 108.501786][ T980] __alloc_frozen_pages_noprof+0x181/0x370 [ 108.507632][ T980] alloc_pages_mpol+0x232/0x4a0 [ 108.512507][ T980] allocate_slab+0x8a/0x330 [ 108.517048][ T980] ___slab_alloc+0xbd1/0x13f0 [ 108.521791][ T980] __slab_alloc+0x55/0xa0 [ 108.526148][ T980] __kmalloc_cache_noprof+0x411/0x6f0 [ 108.531537][ T980] acpi_ds_create_walk_state+0xd9/0x270 [ 108.537108][ T980] acpi_ps_execute_method+0x220/0x7c0 [ 108.542500][ T980] acpi_ns_evaluate+0x5a6/0xa20 [ 108.547367][ T980] acpi_evaluate_object+0x53f/0xa10 [ 108.552587][ T980] acpi_evaluate_integer+0xfc/0x270 [ 108.557808][ T980] acpi_bus_get_status+0x14a/0x380 [ 108.562936][ T980] acpi_bus_attach+0x232/0xbb0 [ 108.567756][ T980] device_for_each_child+0x103/0x190 [ 108.573067][ T980] page_owner free stack trace missing [ 108.578446][ T980] [ 108.580783][ T980] Memory state around the buggy address: [ 108.586427][ T980] ffff888144e90380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.594505][ T980] ffff888144e90400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.602577][ T980] >ffff888144e90480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.610650][ T980] ^ [ 108.618379][ T980] ffff888144e90500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.626459][ T980] ffff888144e90580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.634532][ T980] ================================================================== [ 108.647934][ T5941] Bluetooth: hci0: command tx timeout [ 108.665317][ T980] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 108.672549][ T980] CPU: 1 UID: 0 PID: 980 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT(full) [ 108.681861][ T980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 108.691930][ T980] Workqueue: usb_hub_wq hub_event [ 108.696983][ T980] Call Trace: [ 108.700278][ T980] [ 108.703239][ T980] dump_stack_lvl+0x99/0x250 [ 108.707868][ T980] ? __asan_memcpy+0x40/0x70 [ 108.712500][ T980] ? __pfx_dump_stack_lvl+0x10/0x10 [ 108.717735][ T980] ? __pfx__printk+0x10/0x10 [ 108.722372][ T980] vpanic+0x237/0x6d0 [ 108.726482][ T980] ? __pfx_vpanic+0x10/0x10 [ 108.731009][ T980] ? preempt_schedule+0xae/0xc0 [ 108.735887][ T980] ? __pfx_preempt_schedule+0x10/0x10 [ 108.741285][ T980] panic+0xb9/0xc0 [ 108.745028][ T980] ? __pfx_panic+0x10/0x10 [ 108.749469][ T980] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 108.755387][ T980] ? media_devnode_unregister+0xe2/0xf0 [ 108.760954][ T980] check_panic_on_warn+0x89/0xb0 [ 108.765924][ T980] ? media_devnode_unregister+0xe2/0xf0 [ 108.771491][ T980] end_report+0x78/0x160 [ 108.775769][ T980] kasan_report+0x129/0x150 [ 108.780296][ T980] ? media_devnode_unregister+0xe2/0xf0 [ 108.785872][ T980] media_devnode_unregister+0xe2/0xf0 [ 108.791277][ T980] media_device_unregister+0x37c/0x400 [ 108.796763][ T980] dvb_usb_adapter_dvb_exit+0xf3/0x1b0 [ 108.802245][ T980] dvb_usb_adapter_exit+0x8b/0x240 [ 108.807387][ T980] dvb_usb_device_exit+0x1b6/0x350 [ 108.812522][ T980] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.817738][ T980] ? __pfx_dvb_usb_device_exit+0x10/0x10 [ 108.823387][ T980] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 108.829304][ T980] ? usb_disable_interface+0x31d/0x350 [ 108.834788][ T980] usb_unbind_interface+0x26e/0x910 [ 108.840025][ T980] ? __pfx_usb_unbind_interface+0x10/0x10 [ 108.845766][ T980] device_release_driver_internal+0x4d6/0x800 [ 108.851862][ T980] bus_remove_device+0x34d/0x410 [ 108.856829][ T980] device_del+0x511/0x8e0 [ 108.861179][ T980] ? __pm_runtime_barrier+0x212/0x460 [ 108.866559][ T980] ? __pfx_device_del+0x10/0x10 [ 108.871414][ T980] ? __pfx___mutex_lock+0x10/0x10 [ 108.876537][ T980] usb_disable_device+0x3e9/0x8a0 [ 108.881570][ T980] usb_disconnect+0x330/0x950 [ 108.886262][ T980] hub_event+0x1cf5/0x4a20 [ 108.890777][ T980] ? do_raw_spin_lock+0x121/0x290 [ 108.895813][ T980] ? register_lock_class+0x51/0x320 [ 108.901021][ T980] ? __pfx_hub_event+0x10/0x10 [ 108.905787][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 108.911531][ T980] ? _raw_spin_unlock_irq+0x23/0x50 [ 108.916737][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 108.922459][ T980] ? process_scheduled_works+0x9ef/0x17b0 [ 108.928299][ T980] process_scheduled_works+0xae1/0x17b0 [ 108.933866][ T980] ? __pfx_process_scheduled_works+0x10/0x10 [ 108.939875][ T980] worker_thread+0x8a0/0xda0 [ 108.944473][ T980] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 108.950813][ T980] ? __kthread_parkme+0x7b/0x200 [ 108.955761][ T980] kthread+0x711/0x8a0 [ 108.959842][ T980] ? __pfx_worker_thread+0x10/0x10 [ 108.964990][ T980] ? __pfx_kthread+0x10/0x10 [ 108.969612][ T980] ? _raw_spin_unlock_irq+0x23/0x50 [ 108.974820][ T980] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.980023][ T980] ? __pfx_kthread+0x10/0x10 [ 108.984624][ T980] ret_from_fork+0x47c/0x820 [ 108.989219][ T980] ? __pfx_ret_from_fork+0x10/0x10 [ 108.994339][ T980] ? __switch_to_asm+0x39/0x70 [ 108.999104][ T980] ? __switch_to_asm+0x33/0x70 [ 109.003901][ T980] ? __pfx_kthread+0x10/0x10 [ 109.008513][ T980] ret_from_fork_asm+0x1a/0x30 [ 109.013299][ T980] [ 109.016572][ T980] Kernel Offset: disabled [ 109.020901][ T980] Rebooting in 86400 seconds..