Warning: Permanently added '10.128.1.81' (ED25519) to the list of known hosts. 1970/01/01 00:00:32 parsed 1 programs syzkaller login: [ 33.881523][ T4326] cgroup: Unknown subsys name 'net' [ 34.080663][ T4326] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 34.392242][ T4326] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 39.850221][ T4364] chnl_net:caif_netlink_parms(): no params data found [ 39.868384][ T4364] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.869598][ T4364] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.871090][ T4364] device bridge_slave_0 entered promiscuous mode [ 39.873386][ T4364] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.874601][ T4364] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.876104][ T4364] device bridge_slave_1 entered promiscuous mode [ 39.883649][ T4364] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.886000][ T4364] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.893698][ T4364] team0: Port device team_slave_0 added [ 39.895371][ T4364] team0: Port device team_slave_1 added [ 39.902336][ T4364] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 39.903376][ T4364] 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. [ 39.907204][ T4364] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 39.910012][ T4364] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 39.911181][ T4364] 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. [ 39.915199][ T4364] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 39.959112][ T4364] device hsr_slave_0 entered promiscuous mode [ 40.008340][ T4364] device hsr_slave_1 entered promiscuous mode [ 40.103039][ T4364] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.141484][ T4364] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.189491][ T4364] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.291751][ T4364] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.337660][ T4364] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.338960][ T4364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.340259][ T4364] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.341347][ T4364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.362060][ T4364] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.366153][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.370406][ T55] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.372023][ T55] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.377850][ T4364] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.381478][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.383150][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.384325][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.387454][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.389738][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.390820][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.400128][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.402002][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.405443][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.409696][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.412941][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.415589][ T4364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.478429][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 40.479925][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 40.482868][ T4364] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.489505][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.496602][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.499151][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.500493][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.502841][ T4364] device veth0_vlan entered promiscuous mode [ 40.505821][ T4364] device veth1_vlan entered promiscuous mode [ 40.519920][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 40.521390][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 40.522878][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.524508][ T4364] device veth0_macvtap entered promiscuous mode [ 40.526731][ T4364] device veth1_macvtap entered promiscuous mode [ 40.533236][ T4364] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.534329][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.536291][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 40.539849][ T4364] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.541152][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.543615][ T4364] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.545022][ T4364] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.546324][ T4364] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.547667][ T4364] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.743068][ T55] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.744449][ T55] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.746190][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 40.762989][ T55] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.764405][ T55] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.765980][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 40.838998][ T4409] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.840714][ T4409] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.841938][ T4409] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.843459][ T4409] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.844774][ T4409] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 40.846100][ T4409] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:41 executed programs: 0 [ 41.314776][ T4409] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 41.316067][ T4409] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 41.317382][ T4409] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 41.319904][ T4409] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 41.321225][ T4409] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 41.322375][ T4409] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 41.550470][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 41.566551][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.567721][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.570233][ T4427] device bridge_slave_0 entered promiscuous mode [ 41.572123][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.573224][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.574651][ T4427] device bridge_slave_1 entered promiscuous mode [ 41.581935][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.584857][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.593079][ T4427] team0: Port device team_slave_0 added [ 41.595380][ T4427] team0: Port device team_slave_1 added [ 41.601125][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.602299][ T4427] 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. [ 41.606365][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.611778][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.612884][ T4427] 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. [ 41.616747][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.670050][ T4427] device hsr_slave_0 entered promiscuous mode [ 41.708343][ T4427] device hsr_slave_1 entered promiscuous mode [ 41.758160][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 41.759455][ T4427] Cannot create hsr debugfs directory [ 42.079290][ T1688] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.368791][ T4409] Bluetooth: hci0: command 0x0409 tx timeout [ 45.118911][ T1688] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 45.448175][ T4409] Bluetooth: hci0: command 0x041b tx timeout [ 46.089248][ T1688] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 46.179763][ T1688] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 47.141160][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 47.189390][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 47.229275][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 47.359724][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 47.489453][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.492885][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.494564][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.497189][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.499764][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.501314][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.502858][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.504027][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.505507][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.507874][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.509643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.511014][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.512079][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.538121][ T4409] Bluetooth: hci0: command 0x040f tx timeout [ 47.581837][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.584813][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.587463][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.589397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.590948][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.593554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.595206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.599236][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.600778][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.603226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.604629][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.606973][ T4427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.703814][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.705184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.708577][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.713994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 47.715646][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.721337][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 47.722940][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.724511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.725832][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.727802][ T4427] device veth0_vlan entered promiscuous mode [ 47.730897][ T4427] device veth1_vlan entered promiscuous mode [ 47.737817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.740527][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.741935][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 47.743476][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.780580][ T4427] device veth0_macvtap entered promiscuous mode [ 47.782745][ T4427] device veth1_macvtap entered promiscuous mode [ 47.786822][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 47.788681][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.790759][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.792171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.793650][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.795020][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.796531][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.800515][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 47.802116][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 47.804011][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.805183][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.806661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.810172][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.811652][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.813055][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.814451][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 47.873441][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.877478][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.880428][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 47.881840][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 47.883021][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 47.884573][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:00:47 executed programs: 2 [ 48.198151][ T4453] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 48.380210][ T4453] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x82 has invalid wMaxPacketSize 0 [ 48.383092][ T4453] usb 1-1: New USB device found, idVendor=eb1a, idProduct=e303, bcdDevice=fc.a0 [ 48.384484][ T4453] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 48.385785][ T4453] usb 1-1: Product: syz [ 48.386440][ T4453] usb 1-1: Manufacturer: syz [ 48.387165][ T4453] usb 1-1: SerialNumber: syz [ 48.390059][ T4453] usb 1-1: config 0 descriptor?? [ 48.393430][ T4453] em28xx 1-1:0.0: New device syz syz @ 480 Mbps (eb1a:e303, interface 0, class 0) [ 48.394793][ T4453] em28xx 1-1:0.0: Video interface 0 found: [ 48.659260][ T4453] em28xx 1-1:0.0: unknown em28xx chip ID (0) [ 48.768226][ T4453] em28xx 1-1:0.0: reading from i2c device at 0xa0 failed (error=-5) [ 48.769686][ T4453] em28xx 1-1:0.0: board has no eeprom [ 48.838149][ T4453] em28xx 1-1:0.0: Identified as Kaiomy TVnPC U2 (card=63) [ 48.839254][ T4453] em28xx 1-1:0.0: analog set to bulk mode. [ 48.842951][ T4453] usb 1-1: USB disconnect, device number 2 [ 48.844236][ T4453] em28xx 1-1:0.0: Disconnecting em28xx [ 48.845480][ T4446] em28xx 1-1:0.0: Registering V4L2 extension [ 48.871386][ T4446] i2c i2c-1: Invalid 7-bit I2C address 0x00 [ 48.884426][ T4446] tuner: 1-0061: Tuner -1 found with type(s) Radio TV. [ 48.885988][ T4446] xc2028 1-0061: creating new instance [ 48.886880][ T4446] xc2028 1-0061: type set to XCeive xc2028/xc3028 tuner [ 48.888656][ T4446] em28xx 1-1:0.0: Config register raw data: 0xffffffed [ 48.889702][ T4446] em28xx 1-1:0.0: AC97 chip type couldn't be determined [ 48.890785][ T4446] em28xx 1-1:0.0: No AC97 audio processor [ 48.893086][ T4446] em28xx 1-1:0.0: Registered radio device as radio2 [ 48.894193][ T4446] usb 1-1: Decoder not found [ 48.895030][ T4446] em28xx 1-1:0.0: failed to create media graph [ 48.896065][ T4446] em28xx 1-1:0.0: V4L2 device radio2 deregistered [ 48.898011][ T4446] em28xx 1-1:0.0: V4L2 device video11 deregistered [ 48.903238][ T4446] xc2028 1-0061: destroying instance [ 48.904422][ T4446] em28xx 1-1:0.0: Registering input extension [ 48.905514][ T4453] em28xx 1-1:0.0: Closing input extension [ 48.909292][ T4453] em28xx 1-1:0.0: Freeing device [ 48.912827][ T4446] usb 1-1:0.0: Direct firmware load for xc3028-v27.fw failed with error -2 [ 48.914142][ T4446] usb 1-1:0.0: Falling back to sysfs fallback for: xc3028-v27.fw [ 48.915414][ T4446] kobject_add_internal failed for firmware (error: -2 parent: 1-1:0.0) [ 48.916827][ T4446] firmware xc3028-v27.fw: fw_load_sysfs_fallback: device_register failed [ 48.919108][ T4446] ================================================================== [ 48.920372][ T4446] BUG: KASAN: use-after-free in load_firmware_cb+0xbc/0x14f4 [ 48.921633][ T4446] Read of size 8 at addr ffff0000db9f2318 by task kworker/1:5/4446 [ 48.922795][ T4446] [ 48.923126][ T4446] CPU: 1 PID: 4446 Comm: kworker/1:5 Not tainted syzkaller #0 [ 48.924274][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 48.925811][ T4446] Workqueue: events request_firmware_work_func [ 48.926725][ T4446] Call trace: [ 48.927211][ T4446] dump_backtrace+0x1c8/0x1f4 [ 48.927973][ T4446] show_stack+0x2c/0x3c [ 48.928621][ T4446] __dump_stack+0x30/0x40 [ 48.929249][ T4446] dump_stack_lvl+0xf8/0x160 [ 48.929981][ T4446] print_address_description+0x88/0x218 [ 48.930799][ T4446] print_report+0x50/0x68 [ 48.931456][ T4446] kasan_report+0xa8/0x100 [ 48.932126][ T4446] __asan_report_load8_noabort+0x2c/0x38 [ 48.932958][ T4446] load_firmware_cb+0xbc/0x14f4 [ 48.933701][ T4446] request_firmware_work_func+0xe8/0x19c [ 48.934544][ T4446] process_one_work+0x7f4/0x13a8 [ 48.935274][ T4446] worker_thread+0x8c8/0xfbc [ 48.936012][ T4446] kthread+0x250/0x2d8 [ 48.936675][ T4446] ret_from_fork+0x10/0x20 [ 48.937349][ T4446] [ 48.937707][ T4446] Allocated by task 4446: [ 48.938358][ T4446] kasan_set_track+0x4c/0x80 [ 48.939053][ T4446] kasan_save_alloc_info+0x28/0x34 [ 48.939781][ T4446] __kasan_kmalloc+0xa0/0xb8 [ 48.940535][ T4446] kmalloc_trace+0x7c/0x94 [ 48.941198][ T4446] tuner_probe+0xc4/0x1680 [ 48.941936][ T4446] i2c_device_probe+0x680/0x8f4 [ 48.942691][ T4446] really_probe+0x39c/0xae0 [ 48.943352][ T4446] __driver_probe_device+0x180/0x314 [ 48.944157][ T4446] driver_probe_device+0x78/0x330 [ 48.944956][ T4446] __device_attach_driver+0x290/0x4e0 [ 48.945713][ T4446] bus_for_each_drv+0x150/0x1d8 [ 48.946457][ T4446] __device_attach+0x2a8/0x3d4 [ 48.947112][ T4446] device_initial_probe+0x24/0x34 [ 48.947896][ T4446] bus_probe_device+0xbc/0x1c4 [ 48.948576][ T4446] device_add+0xb04/0xf94 [ 48.949183][ T4446] device_register+0x28/0x38 [ 48.949851][ T4446] i2c_new_client_device+0x87c/0xe6c [ 48.950621][ T4446] v4l2_i2c_new_subdev_board+0xb0/0x20c [ 48.951409][ T4446] v4l2_i2c_new_subdev+0x120/0x19c [ 48.952131][ T4446] em28xx_v4l2_init+0x6f4/0x2918 [ 48.952850][ T4446] em28xx_init_extension+0x10c/0x1b4 [ 48.953591][ T4446] request_module_async+0x68/0x98 [ 48.954332][ T4446] process_one_work+0x7f4/0x13a8 [ 48.955055][ T4446] worker_thread+0xae4/0xfbc [ 48.955724][ T4446] kthread+0x250/0x2d8 [ 48.956328][ T4446] ret_from_fork+0x10/0x20 [ 48.956989][ T4446] [ 48.957326][ T4446] Freed by task 4446: [ 48.957867][ T4446] kasan_set_track+0x4c/0x80 [ 48.958574][ T4446] kasan_save_free_info+0x3c/0x60 [ 48.959358][ T4446] ____kasan_slab_free+0x148/0x1b0 [ 48.960122][ T4446] __kasan_slab_free+0x18/0x28 [ 48.960840][ T4446] slab_free_freelist_hook+0x16c/0x1ec [ 48.961602][ T4446] __kmem_cache_free+0xc0/0x224 [ 48.962298][ T4446] kfree+0xd0/0x1ac [ 48.962885][ T4446] tuner_remove+0x1d8/0x1f4 [ 48.963574][ T4446] i2c_device_remove+0x8c/0x1c0 [ 48.964287][ T4446] device_release_driver_internal+0x3d4/0x6d0 [ 48.965260][ T4446] device_release_driver+0x28/0x38 [ 48.966027][ T4446] bus_remove_device+0x294/0x388 [ 48.966730][ T4446] device_del+0x568/0x96c [ 48.967413][ T4446] device_unregister+0x2c/0xcc [ 48.968127][ T4446] i2c_unregister_device+0x114/0x16c [ 48.968930][ T4446] v4l2_i2c_subdev_unregister+0xa8/0xbc [ 48.969736][ T4446] v4l2_device_unregister+0x170/0x248 [ 48.970496][ T4446] em28xx_v4l2_init+0x1328/0x2918 [ 48.971210][ T4446] em28xx_init_extension+0x10c/0x1b4 [ 48.971991][ T4446] request_module_async+0x68/0x98 [ 48.972743][ T4446] process_one_work+0x7f4/0x13a8 [ 48.973464][ T4446] worker_thread+0xae4/0xfbc [ 48.974130][ T4446] kthread+0x250/0x2d8 [ 48.974711][ T4446] ret_from_fork+0x10/0x20 [ 48.975384][ T4446] [ 48.975744][ T4446] The buggy address belongs to the object at ffff0000db9f2000 [ 48.975744][ T4446] which belongs to the cache kmalloc-2k of size 2048 [ 48.977800][ T4446] The buggy address is located 792 bytes inside of [ 48.977800][ T4446] 2048-byte region [ffff0000db9f2000, ffff0000db9f2800) [ 48.979722][ T4446] [ 48.980057][ T4446] The buggy address belongs to the physical page: [ 48.981095][ T4446] page:00000000dba39cac refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11b9f0 [ 48.982800][ T4446] head:00000000dba39cac order:3 compound_mapcount:0 compound_pincount:0 [ 48.984063][ T4446] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 48.985334][ T4446] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002900 [ 48.986597][ T4446] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 48.987848][ T4446] page dumped because: kasan: bad access detected [ 48.988750][ T4446] [ 48.989066][ T4446] Memory state around the buggy address: [ 48.989887][ T4446] ffff0000db9f2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 48.991026][ T4446] ffff0000db9f2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 48.992211][ T4446] >ffff0000db9f2300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 48.993321][ T4446] ^ [ 48.993996][ T4446] ffff0000db9f2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 48.995112][ T4446] ffff0000db9f2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 48.996381][ T4446] ================================================================== [ 49.000064][ T4446] Disabling lock debugging due to kernel taint [ 49.000967][ T4446] Unable to handle kernel paging request at virtual address dfff800000000005 [ 49.002217][ T4446] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 49.003428][ T4446] Mem abort info: [ 49.003983][ T4446] ESR = 0x0000000096000006 [ 49.004686][ T4446] EC = 0x25: DABT (current EL), IL = 32 bits [ 49.005572][ T4446] SET = 0, FnV = 0 [ 49.006143][ T4446] EA = 0, S1PTW = 0 [ 49.006718][ T4446] FSC = 0x06: level 2 translation fault [ 49.007616][ T4446] Data abort info: [ 49.008233][ T4446] ISV = 0, ISS = 0x00000006 [ 49.008961][ T4446] CM = 0, WnR = 0 [ 49.009564][ T4446] [dfff800000000005] address between user and kernel address ranges [ 49.010724][ T4446] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 49.011730][ T4446] Modules linked in: [ 49.012342][ T4446] CPU: 1 PID: 4446 Comm: kworker/1:5 Tainted: G B syzkaller #0 [ 49.013477][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 49.014924][ T4446] Workqueue: events request_firmware_work_func [ 49.015829][ T4446] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 49.017000][ T4446] pc : load_firmware_cb+0x22c/0x14f4 [ 49.017808][ T4446] lr : load_firmware_cb+0xe0/0x14f4 [ 49.018527][ T4446] sp : ffff800020b47940 [ 49.019209][ T4446] x29: ffff800020b47a90 x28: ffff00019f774800 x27: 0000000000000000 [ 49.020424][ T4446] x26: dfff800000000000 x25: ffff700004168f3c x24: 1fffe0001b73e463 [ 49.021570][ T4446] x23: ffff800020b479e0 x22: 0000000000000000 x21: 0000000000000000 [ 49.022695][ T4446] x20: 0000000000000000 x19: ffff0000db9f2318 x18: ffff800011a6bd40 [ 49.023947][ T4446] x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 [ 49.025091][ T4446] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 49.026202][ T4446] x11: ff0080000dfcf5ac x10: 0000000000000000 x9 : ffff80000dfcf5ac [ 49.027317][ T4446] x8 : 0000000000000005 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.028452][ T4446] x5 : ffff800020b47318 x4 : ffff800015134e80 x3 : ffff800008191f94 [ 49.029542][ T4446] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000028 [ 49.030746][ T4446] Call trace: [ 49.031187][ T4446] load_firmware_cb+0x22c/0x14f4 [ 49.031977][ T4446] request_firmware_work_func+0xe8/0x19c [ 49.032827][ T4446] process_one_work+0x7f4/0x13a8 [ 49.033525][ T4446] worker_thread+0x8c8/0xfbc [ 49.034178][ T4446] kthread+0x250/0x2d8 [ 49.034863][ T4446] ret_from_fork+0x10/0x20 [ 49.035512][ T4446] Code: b5fff65b f9403bf6 9100a2c0 d343fc08 (387a6908) [ 49.036447][ T4446] ---[ end trace 0000000000000000 ]--- [ 49.253837][ T4446] Kernel panic - not syncing: Oops: Fatal exception [ 49.254782][ T4446] SMP: stopping secondary CPUs [ 49.255506][ T4446] Kernel Offset: disabled [ 49.256187][ T4446] CPU features: 0x080000,000f0097,a65bfea7 [ 49.257012][ T4446] Memory Limit: none [ 49.474345][ T4446] Rebooting in 86400 seconds..