Warning: Permanently added '10.128.1.175' (ED25519) to the list of known hosts. 2026/02/14 14:50:28 parsed 1 programs [ 109.693669][ T4291] cgroup: Unknown subsys name 'net' [ 109.839497][ T4291] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 111.386377][ T4291] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 113.928171][ T4320] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 113.936106][ T4320] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 113.944441][ T4320] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 113.952300][ T4320] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 113.960021][ T4320] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 113.970959][ T4320] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 114.429225][ T4334] chnl_net:caif_netlink_parms(): no params data found [ 114.475570][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.483493][ T4334] bridge0: port 1(bridge_slave_0) entered disabled state [ 114.491688][ T4334] device bridge_slave_0 entered promiscuous mode [ 114.501777][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.509937][ T4334] bridge0: port 2(bridge_slave_1) entered disabled state [ 114.518351][ T4334] device bridge_slave_1 entered promiscuous mode [ 114.547514][ T4334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 114.559140][ T4334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 114.588225][ T4334] team0: Port device team_slave_0 added [ 114.596417][ T4334] team0: Port device team_slave_1 added [ 114.617477][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 114.624654][ T4334] 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. [ 114.650755][ T4334] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 114.663836][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 114.670828][ T4334] 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. [ 114.696891][ T4334] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 114.765056][ T4334] device hsr_slave_0 entered promiscuous mode [ 114.777062][ T4334] device hsr_slave_1 entered promiscuous mode [ 114.877482][ T4334] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 114.888184][ T4334] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 114.897885][ T4334] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 114.906907][ T4334] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 114.942528][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 114.949969][ T4334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 114.957877][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 114.964989][ T4334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.006994][ T4334] 8021q: adding VLAN 0 to HW filter on device bond0 [ 115.033058][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 115.044513][ T1124] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.053967][ T1124] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.068170][ T4334] 8021q: adding VLAN 0 to HW filter on device team0 [ 115.090964][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 115.100072][ T1124] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.107263][ T1124] bridge0: port 1(bridge_slave_0) entered forwarding state [ 115.118747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 115.128172][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.135401][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 115.155189][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 115.164429][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 115.176825][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 115.194822][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 115.206005][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 115.217690][ T4334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 115.400607][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 115.408216][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 115.423617][ T4334] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 115.447579][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 115.456920][ T1124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 115.477239][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 115.486848][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 115.496034][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 115.510256][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 115.520214][ T4334] device veth0_vlan entered promiscuous mode [ 115.542003][ T4334] device veth1_vlan entered promiscuous mode [ 115.567985][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 115.577666][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 115.587317][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 115.596051][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 115.608995][ T4334] device veth0_macvtap entered promiscuous mode [ 115.622208][ T4334] device veth1_macvtap entered promiscuous mode [ 115.637752][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 115.645410][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 115.654590][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 115.662517][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 115.671090][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 115.682731][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 115.690083][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 115.698843][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 115.710242][ T4334] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.719860][ T4334] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.732091][ T4334] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.740942][ T4334] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 115.855990][ T46] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 116.441399][ T40] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.452150][ T40] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.462743][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 116.484950][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.493696][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.501242][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/02/14 14:50:38 executed programs: 0 [ 117.428637][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.437152][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.444812][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.454552][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.462000][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 117.469805][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.580754][ T4384] chnl_net:caif_netlink_parms(): no params data found [ 117.628390][ T4384] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.635805][ T4384] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.643851][ T4384] device bridge_slave_0 entered promiscuous mode [ 117.652170][ T4384] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.659476][ T4384] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.667386][ T4384] device bridge_slave_1 entered promiscuous mode [ 117.691854][ T4384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.702972][ T4384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.725028][ T4384] team0: Port device team_slave_0 added [ 117.733241][ T4384] team0: Port device team_slave_1 added [ 117.751347][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.758740][ T4384] 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. [ 117.785230][ T4384] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.797943][ T4384] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.804944][ T4384] 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. [ 117.831611][ T4384] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.861869][ T4384] device hsr_slave_0 entered promiscuous mode [ 117.868776][ T4384] device hsr_slave_1 entered promiscuous mode [ 117.875724][ T4384] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 117.884306][ T4384] Cannot create hsr debugfs directory [ 118.503808][ T46] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 119.503040][ T4320] Bluetooth: hci0: command 0x0409 tx timeout [ 120.942995][ T46] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.014448][ T46] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.583470][ T4320] Bluetooth: hci0: command 0x041b tx timeout [ 121.882147][ T46] device hsr_slave_0 left promiscuous mode [ 121.893706][ T46] device hsr_slave_1 left promiscuous mode [ 121.900524][ T46] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 121.912630][ T46] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 121.921223][ T46] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 121.931609][ T46] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 121.939878][ T46] device bridge_slave_1 left promiscuous mode [ 121.949681][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.961751][ T46] device bridge_slave_0 left promiscuous mode [ 121.971872][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 122.000697][ T46] device veth1_macvtap left promiscuous mode [ 122.007243][ T46] device veth0_macvtap left promiscuous mode [ 122.013930][ T46] device veth1_vlan left promiscuous mode [ 122.020138][ T46] device veth0_vlan left promiscuous mode [ 122.400674][ T46] team0 (unregistering): Port device team_slave_1 removed [ 122.429846][ T46] team0 (unregistering): Port device team_slave_0 removed [ 122.459942][ T46] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 122.490918][ T46] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 122.684293][ T46] bond0 (unregistering): Released all slaves [ 122.804919][ T4384] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 122.814797][ T4384] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 122.826551][ T4384] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 122.837064][ T4384] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 122.908050][ T4384] 8021q: adding VLAN 0 to HW filter on device bond0 [ 122.921209][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.931190][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.941747][ T4384] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.953088][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 122.965500][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 122.974237][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 122.981356][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 122.991516][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 123.002245][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.011238][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.020069][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.027230][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 123.043434][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 123.052217][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 123.066392][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 123.075641][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 123.084215][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 123.104989][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 123.114049][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 123.134334][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 123.144014][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 123.167552][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 123.176172][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 123.194988][ T4384] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 123.446735][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 123.454491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 123.466925][ T4384] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 123.485344][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 123.494856][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 123.514978][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 123.523566][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 123.531881][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 123.541069][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 123.551373][ T4384] device veth0_vlan entered promiscuous mode [ 123.562084][ T4384] device veth1_vlan entered promiscuous mode [ 123.580835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 123.589660][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 123.598441][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 123.607227][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 123.635366][ T4384] device veth0_macvtap entered promiscuous mode [ 123.645041][ T4384] device veth1_macvtap entered promiscuous mode [ 123.660044][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 123.662652][ T4320] Bluetooth: hci0: command 0x040f tx timeout [ 123.668080][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 123.683245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 123.691107][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 123.700226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 123.725353][ T4384] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 123.734685][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 123.744034][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 123.755799][ T4384] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.765047][ T4384] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.773872][ T4384] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.782635][ T4384] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 123.853485][ T4391] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.865255][ T4391] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.892515][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2026/02/14 14:50:44 executed programs: 2 [ 123.910071][ T4391] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 123.918336][ T4391] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 123.926471][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 124.094550][ T4446] ================================================================== [ 124.102682][ T4446] BUG: KASAN: use-after-free in dvb_device_open+0xc6/0x370 [ 124.109914][ T4446] Read of size 8 at addr ffff8880294f4618 by task syz.0.19/4446 [ 124.117564][ T4446] [ 124.119902][ T4446] CPU: 1 PID: 4446 Comm: syz.0.19 Not tainted syzkaller #0 [ 124.127118][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 124.137196][ T4446] Call Trace: [ 124.140491][ T4446] [ 124.143443][ T4446] dump_stack_lvl+0x188/0x24e [ 124.148153][ T4446] ? read_lock_is_recursive+0x10/0x10 [ 124.153557][ T4446] ? show_regs_print_info+0x12/0x12 [ 124.158786][ T4446] ? load_image+0x400/0x400 [ 124.163312][ T4446] ? _raw_spin_lock_irqsave+0xbc/0x100 [ 124.168792][ T4446] ? __virt_addr_valid+0x188/0x540 [ 124.173932][ T4446] ? __virt_addr_valid+0x465/0x540 [ 124.179066][ T4446] ? dvb_device_open+0xc6/0x370 [ 124.183946][ T4446] print_report+0xa8/0x210 [ 124.188412][ T4446] kasan_report+0x10b/0x140 [ 124.192942][ T4446] ? dvb_device_open+0xc6/0x370 [ 124.197824][ T4446] dvb_device_open+0xc6/0x370 [ 124.202530][ T4446] ? do_raw_spin_unlock+0x11d/0x230 [ 124.207758][ T4446] chrdev_open+0x5c5/0x6a0 [ 124.212292][ T4446] ? cd_forget+0x160/0x160 [ 124.216732][ T4446] ? fsnotify_perm+0x39b/0x550 [ 124.221523][ T4446] ? cd_forget+0x160/0x160 [ 124.225964][ T4446] do_dentry_open+0x7e9/0x10d0 [ 124.230781][ T4446] path_openat+0x2635/0x2ee0 [ 124.235418][ T4446] ? verify_lock_unused+0x140/0x140 [ 124.240654][ T4446] ? do_syscall_64+0x4c/0xa0 [ 124.245270][ T4446] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.251363][ T4446] ? do_filp_open+0x430/0x430 [ 124.256075][ T4446] do_filp_open+0x1f1/0x430 [ 124.260614][ T4446] ? vfs_tmpfile+0x480/0x480 [ 124.265233][ T4446] ? _raw_spin_unlock+0x24/0x40 [ 124.270106][ T4446] ? alloc_fd+0x58f/0x630 [ 124.274462][ T4446] do_sys_openat2+0x150/0x4b0 [ 124.279180][ T4446] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 124.285197][ T4446] ? do_sys_open+0xe0/0xe0 [ 124.289730][ T4446] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 124.295742][ T4446] ? lock_chain_count+0x20/0x20 [ 124.300620][ T4446] __x64_sys_openat+0x135/0x160 [ 124.305503][ T4446] do_syscall_64+0x4c/0xa0 [ 124.309958][ T4446] ? clear_bhb_loop+0x60/0xb0 [ 124.314662][ T4446] ? clear_bhb_loop+0x60/0xb0 [ 124.319364][ T4446] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.325276][ T4446] RIP: 0033:0x7f86f2b5c84e [ 124.329718][ T4446] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 124.349376][ T4446] RSP: 002b:00007f86f3aecb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 124.357816][ T4446] RAX: ffffffffffffffda RBX: 00007f86f3aed6c0 RCX: 00007f86f2b5c84e [ 124.365895][ T4446] RDX: 0000000000040002 RSI: 00007f86f3aecc00 RDI: ffffffffffffff9c [ 124.373896][ T4446] RBP: 00007f86f3aecc00 R08: 0000000000000000 R09: 0000000000000000 [ 124.381892][ T4446] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 124.389882][ T4446] R13: 00007f86f2e16038 R14: 00007f86f2e15fa0 R15: 00007fff98387088 [ 124.398060][ T4446] [ 124.401090][ T4446] [ 124.403426][ T4446] Allocated by task 1: [ 124.407505][ T4446] kasan_set_track+0x4b/0x70 [ 124.412128][ T4446] __kasan_kmalloc+0x8e/0xa0 [ 124.416769][ T4446] dvb_register_device+0x311/0x2150 [ 124.422011][ T4446] dvb_register_frontend+0x645/0x920 [ 124.427321][ T4446] vidtv_bridge_probe+0x9a1/0xf70 [ 124.432454][ T4446] platform_probe+0x137/0x1c0 [ 124.437172][ T4446] really_probe+0x2aa/0xc70 [ 124.441795][ T4446] __driver_probe_device+0x18c/0x330 [ 124.447105][ T4446] driver_probe_device+0x4f/0x420 [ 124.452151][ T4446] __driver_attach+0x44a/0x6e0 [ 124.456937][ T4446] bus_for_each_dev+0x182/0x1f0 [ 124.461805][ T4446] bus_add_driver+0x30a/0x5a0 [ 124.466511][ T4446] driver_register+0x32d/0x430 [ 124.471387][ T4446] vidtv_bridge_init+0x39/0x67 [ 124.476169][ T4446] do_one_initcall+0x26a/0x840 [ 124.480955][ T4446] do_initcall_level+0x137/0x1e4 [ 124.485918][ T4446] do_initcalls+0x4b/0x8a [ 124.490269][ T4446] kernel_init_freeable+0x415/0x5be [ 124.495488][ T4446] kernel_init+0x19/0x1b0 [ 124.499934][ T4446] ret_from_fork+0x1f/0x30 [ 124.504373][ T4446] [ 124.506715][ T4446] Freed by task 4444: [ 124.510710][ T4446] kasan_set_track+0x4b/0x70 [ 124.515499][ T4446] kasan_save_free_info+0x2d/0x50 [ 124.520553][ T4446] ____kasan_slab_free+0x126/0x1e0 [ 124.525685][ T4446] slab_free_freelist_hook+0x131/0x1a0 [ 124.531177][ T4446] __kmem_cache_free+0xb6/0x1f0 [ 124.536050][ T4446] dvb_device_open+0x2e7/0x370 [ 124.540841][ T4446] chrdev_open+0x5c5/0x6a0 [ 124.545277][ T4446] do_dentry_open+0x7e9/0x10d0 [ 124.550063][ T4446] path_openat+0x2635/0x2ee0 [ 124.554679][ T4446] do_filp_open+0x1f1/0x430 [ 124.559199][ T4446] do_sys_openat2+0x150/0x4b0 [ 124.563903][ T4446] __x64_sys_openat+0x135/0x160 [ 124.568775][ T4446] do_syscall_64+0x4c/0xa0 [ 124.573212][ T4446] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 124.579125][ T4446] [ 124.581464][ T4446] The buggy address belongs to the object at ffff8880294f4600 [ 124.581464][ T4446] which belongs to the cache kmalloc-256 of size 256 [ 124.595547][ T4446] The buggy address is located 24 bytes inside of [ 124.595547][ T4446] 256-byte region [ffff8880294f4600, ffff8880294f4700) [ 124.608752][ T4446] [ 124.611094][ T4446] The buggy address belongs to the physical page: [ 124.617515][ T4446] page:ffffea0000a53d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x294f4 [ 124.627686][ T4446] head:ffffea0000a53d00 order:1 compound_mapcount:0 compound_pincount:0 [ 124.636021][ T4446] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 124.644037][ T4446] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888017441b40 [ 124.652731][ T4446] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 124.661418][ T4446] page dumped because: kasan: bad access detected [ 124.667851][ T4446] page_owner tracks the page as allocated [ 124.673580][ T4446] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 11247605864, free_ts 0 [ 124.693748][ T4446] post_alloc_hook+0x173/0x1a0 [ 124.698540][ T4446] get_page_from_freelist+0x1a1e/0x1ab0 [ 124.704115][ T4446] __alloc_pages+0x1ec/0x4f0 [ 124.708738][ T4446] alloc_page_interleave+0x24/0x1e0 [ 124.713957][ T4446] alloc_slab_page+0x5d/0x160 [ 124.718651][ T4446] new_slab+0x87/0x2c0 [ 124.722834][ T4446] ___slab_alloc+0xbc6/0x1240 [ 124.727543][ T4446] __kmem_cache_alloc_node+0x1a0/0x260 [ 124.733018][ T4446] kmalloc_trace+0x26/0xe0 [ 124.737459][ T4446] bus_add_driver+0xda/0x5a0 [ 124.742069][ T4446] driver_register+0x32d/0x430 [ 124.746857][ T4446] usb_register_driver+0x202/0x3d0 [ 124.751992][ T4446] do_one_initcall+0x26a/0x840 [ 124.756779][ T4446] do_initcall_level+0x137/0x1e4 [ 124.761745][ T4446] do_initcalls+0x4b/0x8a [ 124.766098][ T4446] kernel_init_freeable+0x415/0x5be [ 124.771323][ T4446] page_owner free stack trace missing [ 124.776710][ T4446] [ 124.779049][ T4446] Memory state around the buggy address: [ 124.784693][ T4446] ffff8880294f4500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 124.792767][ T4446] ffff8880294f4580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 124.800838][ T4446] >ffff8880294f4600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 124.808914][ T4446] ^ [ 124.813779][ T4446] ffff8880294f4680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 124.821857][ T4446] ffff8880294f4700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 124.829926][ T4446] ================================================================== [ 124.853748][ T4446] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 124.861013][ T4446] CPU: 1 PID: 4446 Comm: syz.0.19 Not tainted syzkaller #0 [ 124.868232][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 124.878307][ T4446] Call Trace: [ 124.881616][ T4446] [ 124.884610][ T4446] dump_stack_lvl+0x188/0x24e [ 124.889416][ T4446] ? memcpy+0x3c/0x60 [ 124.893426][ T4446] ? show_regs_print_info+0x12/0x12 [ 124.899083][ T4446] ? load_image+0x400/0x400 [ 124.903646][ T4446] panic+0x2e5/0x730 [ 124.907561][ T4446] ? bpf_jit_dump+0xd0/0xd0 [ 124.912090][ T4446] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 124.918102][ T4446] ? _raw_spin_unlock+0x40/0x40 [ 124.922987][ T4446] check_panic_on_warn+0x80/0xa0 [ 124.927957][ T4446] ? dvb_device_open+0xc6/0x370 [ 124.933025][ T4446] end_report+0x66/0x110 [ 124.937298][ T4446] kasan_report+0x118/0x140 [ 124.941829][ T4446] ? dvb_device_open+0xc6/0x370 [ 124.946715][ T4446] dvb_device_open+0xc6/0x370 [ 124.951417][ T4446] ? do_raw_spin_unlock+0x11d/0x230 [ 124.956633][ T4446] chrdev_open+0x5c5/0x6a0 [ 124.961097][ T4446] ? cd_forget+0x160/0x160 [ 124.965663][ T4446] ? fsnotify_perm+0x39b/0x550 [ 124.970506][ T4446] ? cd_forget+0x160/0x160 [ 124.974952][ T4446] do_dentry_open+0x7e9/0x10d0 [ 124.979752][ T4446] path_openat+0x2635/0x2ee0 [ 124.984370][ T4446] ? verify_lock_unused+0x140/0x140 [ 124.989599][ T4446] ? do_syscall_64+0x4c/0xa0 [ 124.994218][ T4446] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 125.000312][ T4446] ? do_filp_open+0x430/0x430 [ 125.005016][ T4446] do_filp_open+0x1f1/0x430 [ 125.009538][ T4446] ? vfs_tmpfile+0x480/0x480 [ 125.014249][ T4446] ? _raw_spin_unlock+0x24/0x40 [ 125.019141][ T4446] ? alloc_fd+0x58f/0x630 [ 125.023504][ T4446] do_sys_openat2+0x150/0x4b0 [ 125.028217][ T4446] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 125.034243][ T4446] ? do_sys_open+0xe0/0xe0 [ 125.038701][ T4446] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 125.044726][ T4446] ? lock_chain_count+0x20/0x20 [ 125.049610][ T4446] __x64_sys_openat+0x135/0x160 [ 125.054523][ T4446] do_syscall_64+0x4c/0xa0 [ 125.058980][ T4446] ? clear_bhb_loop+0x60/0xb0 [ 125.063678][ T4446] ? clear_bhb_loop+0x60/0xb0 [ 125.068384][ T4446] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 125.074300][ T4446] RIP: 0033:0x7f86f2b5c84e [ 125.078730][ T4446] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 125.098358][ T4446] RSP: 002b:00007f86f3aecb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 125.106807][ T4446] RAX: ffffffffffffffda RBX: 00007f86f3aed6c0 RCX: 00007f86f2b5c84e [ 125.114811][ T4446] RDX: 0000000000040002 RSI: 00007f86f3aecc00 RDI: ffffffffffffff9c [ 125.122810][ T4446] RBP: 00007f86f3aecc00 R08: 0000000000000000 R09: 0000000000000000 [ 125.130795][ T4446] R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd [ 125.138779][ T4446] R13: 00007f86f2e16038 R14: 00007f86f2e15fa0 R15: 00007fff98387088 [ 125.146788][ T4446] [ 125.149965][ T4446] Kernel Offset: disabled [ 125.154288][ T4446] Rebooting in 86400 seconds..