Warning: Permanently added '10.128.0.150' (ED25519) to the list of known hosts.
2025/09/09 15:45:20 parsed 1 programs
[   88.159919][ T5864] cgroup: Unknown subsys name 'net'
[   88.288702][ T5864] cgroup: Unknown subsys name 'cpuset'
[   88.299042][ T5864] cgroup: Unknown subsys name 'rlimit'
[   89.903191][ T5864] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   91.836024][  T982] cfg80211: failed to load regulatory.db
[   92.874343][ T5877] 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.
[   93.479603][ T5892] chnl_net:caif_netlink_parms(): no params data found
[   93.576417][ T5892] bridge0: port 1(bridge_slave_0) entered blocking state
[   93.583960][ T5892] bridge0: port 1(bridge_slave_0) entered disabled state
[   93.591390][ T5892] bridge_slave_0: entered allmulticast mode
[   93.598636][ T5892] bridge_slave_0: entered promiscuous mode
[   93.608333][ T5892] bridge0: port 2(bridge_slave_1) entered blocking state
[   93.615556][ T5892] bridge0: port 2(bridge_slave_1) entered disabled state
[   93.622685][ T5892] bridge_slave_1: entered allmulticast mode
[   93.630309][ T5892] bridge_slave_1: entered promiscuous mode
[   93.662793][ T5892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   93.674676][ T5892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   93.706997][ T5892] team0: Port device team_slave_0 added
[   93.715107][ T5892] team0: Port device team_slave_1 added
[   93.743946][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_0
[   93.751538][ T5892] 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.
[   93.777476][ T5892] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   93.790725][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_1
[   93.797723][ T5892] 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.
[   93.823697][ T5892] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   93.868867][ T5892] hsr_slave_0: entered promiscuous mode
[   93.875253][ T5892] hsr_slave_1: entered promiscuous mode
[   94.018731][ T5892] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   94.030321][ T5892] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   94.041033][ T5892] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   94.050701][ T5892] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   94.080080][ T5892] bridge0: port 2(bridge_slave_1) entered blocking state
[   94.087275][ T5892] bridge0: port 2(bridge_slave_1) entered forwarding state
[   94.095259][ T5892] bridge0: port 1(bridge_slave_0) entered blocking state
[   94.102381][ T5892] bridge0: port 1(bridge_slave_0) entered forwarding state
[   94.160734][ T5892] 8021q: adding VLAN 0 to HW filter on device bond0
[   94.179159][ T1005] bridge0: port 1(bridge_slave_0) entered disabled state
[   94.187748][ T1005] bridge0: port 2(bridge_slave_1) entered disabled state
[   94.203702][ T5892] 8021q: adding VLAN 0 to HW filter on device team0
[   94.218648][   T12] bridge0: port 1(bridge_slave_0) entered blocking state
[   94.225826][   T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[   94.239908][   T12] bridge0: port 2(bridge_slave_1) entered blocking state
[   94.247050][   T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[   94.418344][ T5892] 8021q: adding VLAN 0 to HW filter on device batadv0
[   94.465945][ T5892] veth0_vlan: entered promiscuous mode
[   94.477570][ T5892] veth1_vlan: entered promiscuous mode
[   94.506705][ T5892] veth0_macvtap: entered promiscuous mode
[   94.517935][ T5892] veth1_macvtap: entered promiscuous mode
[   94.536861][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_0
[   94.552022][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_1
[   94.569595][   T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   94.579123][   T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   94.590553][   T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   94.599873][   T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   94.711690][ T1005] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   94.808797][ T1005] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   94.880226][ T1005] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   94.953656][ T1005] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   95.881106][   T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   95.890543][   T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   95.921957][   T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   95.930620][   T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   96.242887][   T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   96.251623][   T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   96.260679][   T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   96.270334][   T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   96.278960][   T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   97.529455][ T1005] bridge_slave_1: left allmulticast mode
[   97.544450][ T1005] bridge_slave_1: left promiscuous mode
[   97.550813][ T1005] bridge0: port 2(bridge_slave_1) entered disabled state
[   97.623140][ T1005] bridge_slave_0: left allmulticast mode
[   97.629661][ T1005] bridge_slave_0: left promiscuous mode
[   97.645066][ T1005] bridge0: port 1(bridge_slave_0) entered disabled state
2025/09/09 15:45:33 executed programs: 0
[   98.057387][ T5179] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   98.075302][ T5179] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   98.083301][ T5179] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   98.091807][ T5179] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   98.099784][ T5179] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   98.189263][ T1005] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   98.205362][ T1005] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   98.216006][ T1005] bond0 (unregistering): Released all slaves
[   98.347319][ T1005] hsr_slave_0: left promiscuous mode
[   98.354122][ T1005] hsr_slave_1: left promiscuous mode
[   98.360424][ T1005] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[   98.368122][ T1005] batman_adv: batadv0: Removing interface: batadv_slave_0
[   98.376877][ T1005] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[   98.384274][ T1005] batman_adv: batadv0: Removing interface: batadv_slave_1
[   98.408016][ T1005] veth1_macvtap: left promiscuous mode
[   98.413741][ T1005] veth0_macvtap: left promiscuous mode
[   98.422328][ T1005] veth1_vlan: left promiscuous mode
[   98.428058][ T1005] veth0_vlan: left promiscuous mode
[   98.839411][ T1005] team0 (unregistering): Port device team_slave_1 removed
[   98.864025][ T1005] team0 (unregistering): Port device team_slave_0 removed
[   99.181666][ T5984] chnl_net:caif_netlink_parms(): no params data found
[   99.344516][ T5984] bridge0: port 1(bridge_slave_0) entered blocking state
[   99.351833][ T5984] bridge0: port 1(bridge_slave_0) entered disabled state
[   99.360742][ T5984] bridge_slave_0: entered allmulticast mode
[   99.369409][ T5984] bridge_slave_0: entered promiscuous mode
[   99.380072][ T5984] bridge0: port 2(bridge_slave_1) entered blocking state
[   99.387572][ T5984] bridge0: port 2(bridge_slave_1) entered disabled state
[   99.395675][ T5984] bridge_slave_1: entered allmulticast mode
[   99.404272][ T5984] bridge_slave_1: entered promiscuous mode
[   99.457915][ T5984] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   99.478487][ T5984] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   99.524258][ T5984] team0: Port device team_slave_0 added
[   99.962228][ T5984] team0: Port device team_slave_1 added
[  100.007713][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_0
[  100.014738][ T5984] 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.
[  100.041982][ T5984] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  100.055677][ T5984] batman_adv: batadv0: Adding interface: batadv_slave_1
[  100.062640][ T5984] 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.
[  100.088876][ T5984] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  100.157402][   T52] Bluetooth: hci0: command tx timeout
[  100.177228][ T5984] hsr_slave_0: entered promiscuous mode
[  100.183928][ T5984] hsr_slave_1: entered promiscuous mode
[  101.014351][ T5984] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  101.027175][ T5984] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  101.040727][ T5984] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  101.056342][ T5984] netdevsim netdevsim0 netdevsim3: renamed from eth3
[  101.177393][ T5984] 8021q: adding VLAN 0 to HW filter on device bond0
[  101.208252][ T5984] 8021q: adding VLAN 0 to HW filter on device team0
[  101.222940][   T13] bridge0: port 1(bridge_slave_0) entered blocking state
[  101.230131][   T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[  101.248590][   T71] bridge0: port 2(bridge_slave_1) entered blocking state
[  101.255781][   T71] bridge0: port 2(bridge_slave_1) entered forwarding state
[  101.515968][ T5984] 8021q: adding VLAN 0 to HW filter on device batadv0
[  101.572529][ T5984] veth0_vlan: entered promiscuous mode
[  101.586623][ T5984] veth1_vlan: entered promiscuous mode
[  101.629900][ T5984] veth0_macvtap: entered promiscuous mode
[  101.641148][ T5984] veth1_macvtap: entered promiscuous mode
[  101.665739][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_0
[  101.683390][ T5984] batman_adv: batadv0: Interface activated: batadv_slave_1
[  101.711441][   T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  101.722829][   T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  101.747377][   T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  101.771228][   T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  101.888322][   T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  101.913700][   T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  101.967423][   T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  101.980087][   T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  102.234610][   T52] Bluetooth: hci0: command tx timeout
[  102.304857][    T9] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[  102.504445][    T9] usb 1-1: Using ep0 maxpacket: 16
[  102.514060][    T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid wMaxPacketSize 0
[  102.536073][    T9] usb 1-1: New USB device found, idVendor=2040, idProduct=0264, bcdDevice=4e.d1
[  102.545799][    T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  102.553997][    T9] usb 1-1: Product: syz
[  102.558495][    T9] usb 1-1: Manufacturer: syz
[  102.563102][    T9] usb 1-1: SerialNumber: syz
[  102.580725][    T9] usb 1-1: config 0 descriptor??
[  102.596630][    T9] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (2040:0264, interface 0, class 0)
[  102.607282][    T9] em28xx 1-1:0.0: DVB interface 0 found: bulk
[  102.855317][    T9] em28xx 1-1:0.0: unknown em28xx chip ID (0)
[  102.919194][    T9] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5)
[  102.928218][    T9] em28xx 1-1:0.0: board has no eeprom
[  102.994456][    T9] em28xx 1-1:0.0: Identified as PCTV tripleStick (292e) (card=94)
[  103.002291][    T9] em28xx 1-1:0.0: dvb set to bulk mode.
[  103.010437][  T980] em28xx 1-1:0.0: Binding DVB extension
[  103.024914][    T9] usb 1-1: USB disconnect, device number 2
[  103.042908][    T9] em28xx 1-1:0.0: Disconnecting em28xx
[  103.075155][  T980] em28xx 1-1:0.0: Registering input extension
[  103.081451][    T9] em28xx 1-1:0.0: Closing input extension
[  103.091794][    T9] ==================================================================
[  103.099869][    T9] BUG: KASAN: slab-use-after-free in media_devnode_unregister+0xe2/0xf0
[  103.108206][    T9] Read of size 4 at addr ffff88807c49f4f0 by task kworker/0:0/9
[  103.115830][    T9] 
[  103.118170][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  103.118187][    T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  103.118215][    T9] Workqueue: usb_hub_wq hub_event
[  103.118246][    T9] Call Trace:
[  103.118252][    T9]  
[  103.118259][    T9]  dump_stack_lvl+0x189/0x250
[  103.118284][    T9]  ? rcu_is_watching+0x15/0xb0
[  103.118302][    T9]  ? __kasan_check_byte+0x12/0x40
[  103.118320][    T9]  ? __pfx_dump_stack_lvl+0x10/0x10
[  103.118343][    T9]  ? rcu_is_watching+0x15/0xb0
[  103.118361][    T9]  ? lock_release+0x4b/0x3e0
[  103.118390][    T9]  ? __virt_addr_valid+0x1c8/0x5c0
[  103.118413][    T9]  ? __virt_addr_valid+0x4a5/0x5c0
[  103.118452][    T9]  print_report+0xca/0x240
[  103.118467][    T9]  ? media_devnode_unregister+0xe2/0xf0
[  103.118487][    T9]  kasan_report+0x118/0x150
[  103.118505][    T9]  ? media_devnode_unregister+0xe2/0xf0
[  103.118527][    T9]  media_devnode_unregister+0xe2/0xf0
[  103.118547][    T9]  media_device_unregister+0x37c/0x400
[  103.118569][    T9]  em28xx_release_resources+0xac/0x240
[  103.118593][    T9]  em28xx_usb_disconnect+0x19f/0x2f0
[  103.118616][    T9]  usb_unbind_interface+0x26e/0x910
[  103.118636][    T9]  ? __pfx_usb_unbind_interface+0x10/0x10
[  103.118653][    T9]  device_release_driver_internal+0x4d6/0x800
[  103.118676][    T9]  bus_remove_device+0x34d/0x410
[  103.118703][    T9]  device_del+0x511/0x8e0
[  103.118722][    T9]  ? __pfx_device_del+0x10/0x10
[  103.118738][    T9]  ? kobject_put+0x446/0x480
[  103.118765][    T9]  usb_disable_device+0x3e9/0x8a0
[  103.118784][    T9]  usb_disconnect+0x330/0x950
[  103.118810][    T9]  hub_event+0x1cf5/0x4a20
[  103.118854][    T9]  ? do_raw_spin_lock+0x121/0x290
[  103.118878][    T9]  ? register_lock_class+0x51/0x320
[  103.118901][    T9]  ? __pfx_hub_event+0x10/0x10
[  103.118916][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  103.118937][    T9]  ? _raw_spin_unlock_irq+0x23/0x50
[  103.118958][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  103.118975][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  103.118994][    T9]  process_scheduled_works+0xae1/0x17b0
[  103.119024][    T9]  ? __pfx_process_scheduled_works+0x10/0x10
[  103.119049][    T9]  worker_thread+0x8a0/0xda0
[  103.119078][    T9]  kthread+0x711/0x8a0
[  103.119102][    T9]  ? __pfx_worker_thread+0x10/0x10
[  103.119128][    T9]  ? __pfx_kthread+0x10/0x10
[  103.119151][    T9]  ? _raw_spin_unlock_irq+0x23/0x50
[  103.119171][    T9]  ? lockdep_hardirqs_on+0x9c/0x150
[  103.119193][    T9]  ? __pfx_kthread+0x10/0x10
[  103.119231][    T9]  ret_from_fork+0x47c/0x820
[  103.119249][    T9]  ? __pfx_ret_from_fork+0x10/0x10
[  103.119269][    T9]  ? __switch_to_asm+0x39/0x70
[  103.119284][    T9]  ? __switch_to_asm+0x33/0x70
[  103.119299][    T9]  ? __pfx_kthread+0x10/0x10
[  103.119321][    T9]  ret_from_fork_asm+0x1a/0x30
[  103.119344][    T9]  
[  103.119349][    T9] 
[  103.395363][    T9] Allocated by task 9:
[  103.399419][    T9]  kasan_save_track+0x3e/0x80
[  103.404092][    T9]  __kasan_kmalloc+0x93/0xb0
[  103.408676][    T9]  __kmalloc_cache_noprof+0x3d5/0x6f0
[  103.414035][    T9]  __media_device_register+0x58/0x280
[  103.419396][    T9]  em28xx_usb_probe+0x1764/0x2a20
[  103.424414][    T9]  usb_probe_interface+0x665/0xc30
[  103.429518][    T9]  really_probe+0x26a/0x9e0
[  103.434015][    T9]  __driver_probe_device+0x18c/0x2f0
[  103.439288][    T9]  driver_probe_device+0x4f/0x430
[  103.444306][    T9]  __device_attach_driver+0x2ce/0x530
[  103.449675][    T9]  bus_for_each_drv+0x251/0x2e0
[  103.454522][    T9]  __device_attach+0x2b8/0x400
[  103.459276][    T9]  bus_probe_device+0x185/0x260
[  103.464119][    T9]  device_add+0x7b6/0xb50
[  103.468437][    T9]  usb_set_configuration+0x1a87/0x20e0
[  103.473884][    T9]  usb_generic_driver_probe+0x8d/0x150
[  103.479332][    T9]  usb_probe_device+0x1c1/0x390
[  103.484197][    T9]  really_probe+0x26a/0x9e0
[  103.488693][    T9]  __driver_probe_device+0x18c/0x2f0
[  103.493970][    T9]  driver_probe_device+0x4f/0x430
[  103.498988][    T9]  __device_attach_driver+0x2ce/0x530
[  103.504357][    T9]  bus_for_each_drv+0x251/0x2e0
[  103.509217][    T9]  __device_attach+0x2b8/0x400
[  103.513970][    T9]  bus_probe_device+0x185/0x260
[  103.518822][    T9]  device_add+0x7b6/0xb50
[  103.523151][    T9]  usb_new_device+0xa39/0x16f0
[  103.527917][    T9]  hub_event+0x2958/0x4a20
[  103.532325][    T9]  process_scheduled_works+0xae1/0x17b0
[  103.537868][    T9]  worker_thread+0x8a0/0xda0
[  103.542459][    T9]  kthread+0x711/0x8a0
[  103.546555][    T9]  ret_from_fork+0x47c/0x820
[  103.551152][    T9]  ret_from_fork_asm+0x1a/0x30
[  103.555916][    T9] 
[  103.558231][    T9] Freed by task 9:
[  103.561940][    T9]  kasan_save_track+0x3e/0x80
[  103.566611][    T9]  __kasan_save_free_info+0x46/0x50
[  103.571811][    T9]  __kasan_slab_free+0x5b/0x80
[  103.576569][    T9]  kfree+0x199/0x6d0
[  103.580467][    T9]  media_devnode_release+0x61/0xa0
[  103.585574][    T9]  device_release+0x9c/0x1c0
[  103.590158][    T9]  kobject_put+0x228/0x480
[  103.594569][    T9]  media_devnode_unregister+0x6d/0xf0
[  103.599932][    T9]  media_device_unregister+0x37c/0x400
[  103.605383][    T9]  em28xx_release_resources+0xac/0x240
[  103.610838][    T9]  em28xx_usb_disconnect+0x19f/0x2f0
[  103.616122][    T9]  usb_unbind_interface+0x26e/0x910
[  103.621313][    T9]  device_release_driver_internal+0x4d6/0x800
[  103.627369][    T9]  bus_remove_device+0x34d/0x410
[  103.632308][    T9]  device_del+0x511/0x8e0
[  103.636626][    T9]  usb_disable_device+0x3e9/0x8a0
[  103.641636][    T9]  usb_disconnect+0x330/0x950
[  103.646314][    T9]  hub_event+0x1cf5/0x4a20
[  103.650722][    T9]  process_scheduled_works+0xae1/0x17b0
[  103.656269][    T9]  worker_thread+0x8a0/0xda0
[  103.660852][    T9]  kthread+0x711/0x8a0
[  103.664914][    T9]  ret_from_fork+0x47c/0x820
[  103.669494][    T9]  ret_from_fork_asm+0x1a/0x30
[  103.674251][    T9] 
[  103.676564][    T9] The buggy address belongs to the object at ffff88807c49f000
[  103.676564][    T9]  which belongs to the cache kmalloc-2k of size 2048
[  103.690601][    T9] The buggy address is located 1264 bytes inside of
[  103.690601][    T9]  freed 2048-byte region [ffff88807c49f000, ffff88807c49f800)
[  103.704556][    T9] 
[  103.706875][    T9] The buggy address belongs to the physical page:
[  103.713292][    T9] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7c498
[  103.722054][    T9] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[  103.730546][    T9] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[  103.738078][    T9] page_type: f5(slab)
[  103.742048][    T9] raw: 00fff00000000040 ffff88801a842000 dead000000000122 0000000000000000
[  103.750618][    T9] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[  103.759187][    T9] head: 00fff00000000040 ffff88801a842000 dead000000000122 0000000000000000
[  103.767844][    T9] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[  103.776549][    T9] head: 00fff00000000003 ffffea0001f12601 00000000ffffffff 00000000ffffffff
[  103.785217][    T9] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[  103.793884][    T9] page dumped because: kasan: bad access detected
[  103.800286][    T9] page_owner tracks the page as allocated
[  103.805991][    T9] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5218, tgid 5218 (klogd), ts 102615007013, free_ts 100149684819
[  103.826900][    T9]  post_alloc_hook+0x240/0x2a0
[  103.831655][    T9]  get_page_from_freelist+0x21e4/0x22c0
[  103.837189][    T9]  __alloc_frozen_pages_noprof+0x181/0x370
[  103.842988][    T9]  alloc_pages_mpol+0x232/0x4a0
[  103.847835][    T9]  allocate_slab+0x8a/0x330
[  103.852333][    T9]  ___slab_alloc+0xbd1/0x13f0
[  103.857009][    T9]  __slab_alloc+0x55/0xa0
[  103.861372][    T9]  __kmalloc_cache_noprof+0x411/0x6f0
[  103.866743][    T9]  syslog_print+0xd2/0x590
[  103.871156][    T9]  do_syslog+0x544/0x760
[  103.875389][    T9]  __x64_sys_syslog+0x7c/0x90
[  103.880063][    T9]  do_syscall_64+0xfa/0xfa0
[  103.884560][    T9]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  103.890444][    T9] page last free pid 5984 tgid 5984 stack trace:
[  103.896751][    T9]  __free_frozen_pages+0xbc4/0xd30
[  103.901855][    T9]  __slab_free+0x2e7/0x390
[  103.906266][    T9]  qlist_free_all+0x97/0x140
[  103.910853][    T9]  kasan_quarantine_reduce+0x148/0x160
[  103.916300][    T9]  __kasan_slab_alloc+0x22/0x80
[  103.921142][    T9]  __kmalloc_cache_noprof+0x36f/0x6f0
[  103.926508][    T9]  kobject_uevent_env+0x27c/0x8c0
[  103.931523][    T9]  __kobject_del+0xd2/0x300
[  103.936022][    T9]  kobject_put+0x243/0x480
[  103.940462][    T9]  net_rx_queue_update_kobjects+0x695/0x740
[  103.946352][    T9]  netif_set_real_num_rx_queues+0x217/0x360
[  103.952244][    T9]  veth_newlink+0x718/0xa50
[  103.956748][    T9]  rtnl_newlink_create+0x30d/0xb00
[  103.961861][    T9]  rtnl_newlink+0x16d6/0x1c70
[  103.966536][    T9]  rtnetlink_rcv_msg+0x7cc/0xb70
[  103.971477][    T9]  netlink_rcv_skb+0x205/0x470
[  103.976249][    T9] 
[  103.978577][    T9] Memory state around the buggy address:
[  103.984196][    T9]  ffff88807c49f380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  103.992246][    T9]  ffff88807c49f400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  104.000299][    T9] >ffff88807c49f480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  104.008348][    T9]                                                              ^
[  104.016053][    T9]  ffff88807c49f500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  104.024113][    T9]  ffff88807c49f580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  104.032168][    T9] ==================================================================
[  104.068523][    T9] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  104.075758][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  104.084881][    T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  104.094950][    T9] Workqueue: usb_hub_wq hub_event
[  104.099990][    T9] Call Trace:
[  104.103261][    T9]  
[  104.106187][    T9]  dump_stack_lvl+0x99/0x250
[  104.110804][    T9]  ? __asan_memcpy+0x40/0x70
[  104.115431][    T9]  ? __pfx_dump_stack_lvl+0x10/0x10
[  104.120630][    T9]  ? __pfx__printk+0x10/0x10
[  104.125228][    T9]  vpanic+0x237/0x6d0
[  104.129246][    T9]  ? __pfx_vpanic+0x10/0x10
[  104.133762][    T9]  ? preempt_schedule+0xae/0xc0
[  104.138616][    T9]  ? __pfx_preempt_schedule+0x10/0x10
[  104.143990][    T9]  panic+0xb9/0xc0
[  104.147708][    T9]  ? __pfx_panic+0x10/0x10
[  104.152126][    T9]  ? _raw_spin_unlock_irqrestore+0xfd/0x110
[  104.158020][    T9]  ? media_devnode_unregister+0xe2/0xf0
[  104.163559][    T9]  check_panic_on_warn+0x89/0xb0
[  104.168505][    T9]  ? media_devnode_unregister+0xe2/0xf0
[  104.174053][    T9]  end_report+0x78/0x160
[  104.178294][    T9]  kasan_report+0x129/0x150
[  104.182800][    T9]  ? media_devnode_unregister+0xe2/0xf0
[  104.188353][    T9]  media_devnode_unregister+0xe2/0xf0
[  104.193728][    T9]  media_device_unregister+0x37c/0x400
[  104.199200][    T9]  em28xx_release_resources+0xac/0x240
[  104.204672][    T9]  em28xx_usb_disconnect+0x19f/0x2f0
[  104.209965][    T9]  usb_unbind_interface+0x26e/0x910
[  104.215167][    T9]  ? __pfx_usb_unbind_interface+0x10/0x10
[  104.220890][    T9]  device_release_driver_internal+0x4d6/0x800
[  104.226970][    T9]  bus_remove_device+0x34d/0x410
[  104.231918][    T9]  device_del+0x511/0x8e0
[  104.236277][    T9]  ? __pfx_device_del+0x10/0x10
[  104.241136][    T9]  ? kobject_put+0x446/0x480
[  104.245741][    T9]  usb_disable_device+0x3e9/0x8a0
[  104.250769][    T9]  usb_disconnect+0x330/0x950
[  104.255450][    T9]  hub_event+0x1cf5/0x4a20
[  104.259887][    T9]  ? do_raw_spin_lock+0x121/0x290
[  104.264914][    T9]  ? register_lock_class+0x51/0x320
[  104.270113][    T9]  ? __pfx_hub_event+0x10/0x10
[  104.274875][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  104.280608][    T9]  ? _raw_spin_unlock_irq+0x23/0x50
[  104.285809][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  104.291523][    T9]  ? process_scheduled_works+0x9ef/0x17b0
[  104.297242][    T9]  process_scheduled_works+0xae1/0x17b0
[  104.302803][    T9]  ? __pfx_process_scheduled_works+0x10/0x10
[  104.308795][    T9]  worker_thread+0x8a0/0xda0
[  104.313396][    T9]  kthread+0x711/0x8a0
[  104.317482][    T9]  ? __pfx_worker_thread+0x10/0x10
[  104.322604][    T9]  ? __pfx_kthread+0x10/0x10
[  104.327202][    T9]  ? _raw_spin_unlock_irq+0x23/0x50
[  104.332410][    T9]  ? lockdep_hardirqs_on+0x9c/0x150
[  104.337627][    T9]  ? __pfx_kthread+0x10/0x10
[  104.342218][    T9]  ret_from_fork+0x47c/0x820
[  104.346821][    T9]  ? __pfx_ret_from_fork+0x10/0x10
[  104.351933][    T9]  ? __switch_to_asm+0x39/0x70
[  104.356699][    T9]  ? __switch_to_asm+0x33/0x70
[  104.361477][    T9]  ? __pfx_kthread+0x10/0x10
[  104.366074][    T9]  ret_from_fork_asm+0x1a/0x30
[  104.370850][    T9]  
[  104.374252][    T9] Kernel Offset: disabled
[  104.378592][    T9] Rebooting in 86400 seconds..