no interfaces have a carrier [ 38.425500][ T5430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 38.437383][ T5430] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 81.693653][ T23] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts. 2026/01/10 03:23:48 parsed 1 programs [ 142.483163][ T5788] cgroup: Unknown subsys name 'net' [ 142.677609][ T5788] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 144.108879][ T5788] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 145.967009][ T5798] chnl_net:caif_netlink_parms(): no params data found [ 146.211193][ T5798] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.219902][ T5798] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.227440][ T5798] bridge_slave_0: entered allmulticast mode [ 146.234740][ T5798] bridge_slave_0: entered promiscuous mode [ 146.245380][ T5798] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.252585][ T5798] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.259688][ T5798] bridge_slave_1: entered allmulticast mode [ 146.267169][ T5798] bridge_slave_1: entered promiscuous mode [ 146.340462][ T5798] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 146.361412][ T5798] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 146.475422][ T5798] team0: Port device team_slave_0 added [ 146.496336][ T5798] team0: Port device team_slave_1 added [ 146.574313][ T5798] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.581289][ T5798] 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. [ 146.633875][ T5798] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.660118][ T5798] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.667314][ T5798] 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. [ 146.693505][ T5798] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.894386][ T5798] hsr_slave_0: entered promiscuous mode [ 146.908715][ T5798] hsr_slave_1: entered promiscuous mode [ 147.716023][ T5798] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 147.752883][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 147.764306][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 147.772456][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 147.786853][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 147.788029][ T5798] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 147.806236][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 147.813871][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 147.862059][ T5798] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 147.896756][ T5798] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 147.951229][ T77] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 147.982720][ T77] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.135889][ T77] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.160817][ T77] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.634233][ T5798] 8021q: adding VLAN 0 to HW filter on device bond0 [ 148.727759][ T5798] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.746452][ T1306] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.753810][ T1306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.809594][ T997] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.816779][ T997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.291485][ T5798] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 149.340086][ T5798] veth0_vlan: entered promiscuous mode [ 149.365249][ T5798] veth1_vlan: entered promiscuous mode [ 149.388519][ T5798] veth0_macvtap: entered promiscuous mode [ 149.397438][ T5798] veth1_macvtap: entered promiscuous mode [ 149.414258][ T5798] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 149.435922][ T5798] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 149.447035][ T5798] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.456624][ T5798] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.465429][ T5798] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.475643][ T5798] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2026/01/10 03:23:57 executed programs: 0 [ 149.703256][ T5854] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 149.711231][ T5854] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 149.721566][ T5898] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 149.733121][ T5899] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 149.740753][ T5899] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 149.747207][ T5898] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 149.757509][ T5898] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 149.764765][ T5898] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 149.773513][ T5898] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 149.781026][ T5898] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 149.783180][ T5902] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 149.796119][ T5902] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 149.796130][ T5905] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 149.812465][ T5904] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 149.820376][ T5904] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 149.820531][ T5898] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 149.827627][ T5902] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 149.828847][ T5904] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 149.837285][ T5898] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 149.843024][ T5904] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 149.874378][ T5904] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 149.881795][ T5904] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 149.889547][ T5904] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 149.897918][ T5854] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 150.436244][ T5891] chnl_net:caif_netlink_parms(): no params data found [ 150.557747][ T5897] chnl_net:caif_netlink_parms(): no params data found [ 150.667062][ T5900] chnl_net:caif_netlink_parms(): no params data found [ 150.725547][ T5891] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.732857][ T5891] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.740053][ T5891] bridge_slave_0: entered allmulticast mode [ 150.747794][ T5891] bridge_slave_0: entered promiscuous mode [ 150.760243][ T5891] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.767423][ T5891] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.775557][ T5891] bridge_slave_1: entered allmulticast mode [ 150.782443][ T5891] bridge_slave_1: entered promiscuous mode [ 150.788858][ T5897] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.795993][ T5897] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.803847][ T5897] bridge_slave_0: entered allmulticast mode [ 150.810427][ T5897] bridge_slave_0: entered promiscuous mode [ 150.817602][ T5892] chnl_net:caif_netlink_parms(): no params data found [ 150.859593][ T5897] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.867069][ T5897] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.874258][ T5897] bridge_slave_1: entered allmulticast mode [ 150.880856][ T5897] bridge_slave_1: entered promiscuous mode [ 150.950929][ T5897] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.980754][ T5891] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 150.995215][ T5891] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.006146][ T5897] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.089585][ T5892] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.096832][ T5892] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.104092][ T5892] bridge_slave_0: entered allmulticast mode [ 151.110695][ T5892] bridge_slave_0: entered promiscuous mode [ 151.118098][ T5892] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.125210][ T5892] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.132603][ T5892] bridge_slave_1: entered allmulticast mode [ 151.141304][ T5892] bridge_slave_1: entered promiscuous mode [ 151.150856][ T5900] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.159150][ T5900] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.166400][ T5900] bridge_slave_0: entered allmulticast mode [ 151.173113][ T5900] bridge_slave_0: entered promiscuous mode [ 151.180880][ T5900] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.188116][ T5900] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.195296][ T5900] bridge_slave_1: entered allmulticast mode [ 151.202518][ T5900] bridge_slave_1: entered promiscuous mode [ 151.211274][ T5891] team0: Port device team_slave_0 added [ 151.275227][ T5891] team0: Port device team_slave_1 added [ 151.283340][ T5897] team0: Port device team_slave_0 added [ 151.293917][ T5897] team0: Port device team_slave_1 added [ 151.303278][ T5892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.314679][ T5900] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.326929][ T5900] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.388220][ T5892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.429366][ T5900] team0: Port device team_slave_0 added [ 151.437339][ T5891] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.447094][ T5891] 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. [ 151.475185][ T5891] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.487851][ T5891] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.495347][ T5891] 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. [ 151.521511][ T5891] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.534229][ T5897] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.541215][ T5897] 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. [ 151.568237][ T5897] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.594961][ T5892] team0: Port device team_slave_0 added [ 151.602875][ T5900] team0: Port device team_slave_1 added [ 151.633827][ T5897] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.640783][ T5897] 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. [ 151.666752][ T5897] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.684882][ T5892] team0: Port device team_slave_1 added [ 151.719077][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.726609][ T5900] 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. [ 151.752921][ T5900] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.777802][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.784932][ 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. [ 151.811134][ T5892] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.823661][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.830610][ 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. [ 151.858388][ T5892] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.884437][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.891379][ T5900] 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. [ 151.917516][ T5900] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.934556][ T5904] Bluetooth: hci2: command tx timeout [ 151.934571][ T5854] Bluetooth: hci3: command tx timeout [ 151.940225][ T5904] Bluetooth: hci0: command tx timeout [ 151.958767][ T5897] hsr_slave_0: entered promiscuous mode [ 151.965291][ T5897] hsr_slave_1: entered promiscuous mode [ 151.971346][ T5897] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 151.979655][ T5897] Cannot create hsr debugfs directory [ 152.004352][ T5891] hsr_slave_0: entered promiscuous mode [ 152.010519][ T5891] hsr_slave_1: entered promiscuous mode [ 152.012357][ T5904] Bluetooth: hci1: command tx timeout [ 152.021666][ T5891] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 152.029306][ T5891] Cannot create hsr debugfs directory [ 152.081405][ T5892] hsr_slave_0: entered promiscuous mode [ 152.087750][ T5892] hsr_slave_1: entered promiscuous mode [ 152.094682][ T5892] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 152.102421][ T5892] Cannot create hsr debugfs directory [ 152.185392][ T11] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 152.271815][ T5900] hsr_slave_0: entered promiscuous mode [ 152.278101][ T5900] hsr_slave_1: entered promiscuous mode [ 152.284830][ T5900] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 152.292480][ T5900] Cannot create hsr debugfs directory [ 154.012066][ T5904] Bluetooth: hci3: command tx timeout [ 154.012720][ T5854] Bluetooth: hci2: command tx timeout [ 154.022643][ T5904] Bluetooth: hci0: command tx timeout [ 154.092852][ T5904] Bluetooth: hci1: command tx timeout [ 154.097630][ T11] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 154.184963][ T11] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 154.230971][ T11] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 155.286664][ T5897] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 155.299532][ T5897] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 155.318307][ T5897] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 155.361405][ T5897] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 155.466960][ T11] hsr_slave_0: left promiscuous mode [ 155.473278][ T11] hsr_slave_1: left promiscuous mode [ 155.479164][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 155.486647][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 155.495441][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 155.503005][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 155.510549][ T11] bridge_slave_1: left allmulticast mode [ 155.517281][ T11] bridge_slave_1: left promiscuous mode [ 155.523564][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.534627][ T11] bridge_slave_0: left allmulticast mode [ 155.540279][ T11] bridge_slave_0: left promiscuous mode [ 155.546732][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.566488][ T11] veth1_macvtap: left promiscuous mode [ 155.572569][ T11] veth0_macvtap: left promiscuous mode [ 155.578121][ T11] veth1_vlan: left promiscuous mode [ 155.584228][ T11] veth0_vlan: left promiscuous mode [ 155.921817][ T11] team0 (unregistering): Port device team_slave_1 removed [ 155.949631][ T11] team0 (unregistering): Port device team_slave_0 removed [ 155.975916][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 156.011185][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 156.094650][ T5904] Bluetooth: hci0: command tx timeout [ 156.094861][ T5854] Bluetooth: hci3: command tx timeout [ 156.105486][ T5904] Bluetooth: hci2: command tx timeout [ 156.172813][ T5854] Bluetooth: hci1: command tx timeout [ 156.303600][ T11] bond0 (unregistering): Released all slaves [ 156.387790][ T5891] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 156.397952][ T5891] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 156.415059][ T5891] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 156.424008][ T5891] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 156.516724][ T5892] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 156.529072][ T5892] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 156.539421][ T5892] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 156.562912][ T5892] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 156.658388][ T5900] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 156.668087][ T5900] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 156.693070][ T5900] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 156.702528][ T5900] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 156.750464][ T5897] 8021q: adding VLAN 0 to HW filter on device bond0 [ 156.806537][ T5897] 8021q: adding VLAN 0 to HW filter on device team0 [ 156.865513][ T77] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.872637][ T77] bridge0: port 1(bridge_slave_0) entered forwarding state [ 156.920323][ T5891] 8021q: adding VLAN 0 to HW filter on device bond0 [ 156.934294][ T1306] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.941377][ T1306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 156.984915][ T5891] 8021q: adding VLAN 0 to HW filter on device team0 [ 157.001836][ T5892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 157.024856][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.032004][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.067380][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.074506][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.088630][ T5892] 8021q: adding VLAN 0 to HW filter on device team0 [ 157.126564][ T77] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.133731][ T77] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.146810][ T77] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.153959][ T77] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.174799][ T5900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 157.250564][ T5891] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 157.281427][ T5900] 8021q: adding VLAN 0 to HW filter on device team0 [ 157.327390][ T77] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.334597][ T77] bridge0: port 1(bridge_slave_0) entered forwarding state [ 157.355368][ T5897] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 157.401473][ T997] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.408676][ T997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.545461][ T5897] veth0_vlan: entered promiscuous mode [ 157.599534][ T5897] veth1_vlan: entered promiscuous mode [ 157.665792][ T5891] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 157.685002][ T5897] veth0_macvtap: entered promiscuous mode [ 157.714855][ T5897] veth1_macvtap: entered promiscuous mode [ 157.768390][ T5897] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 157.789879][ T5897] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 157.802674][ T5897] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.811404][ T5897] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.821430][ T5897] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.830946][ T5897] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.856236][ T5892] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 157.877251][ T5891] veth0_vlan: entered promiscuous mode [ 157.939092][ T5891] veth1_vlan: entered promiscuous mode [ 157.998021][ T5892] veth0_vlan: entered promiscuous mode [ 158.019294][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.028924][ T5892] veth1_vlan: entered promiscuous mode [ 158.038192][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 158.049821][ T5900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 158.070380][ T5891] veth0_macvtap: entered promiscuous mode [ 158.085168][ T5891] veth1_macvtap: entered promiscuous mode [ 158.109339][ T77] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.127020][ T77] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 158.148993][ T5891] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 2026/01/10 03:24:05 executed programs: 8 [ 158.160340][ T5891] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.175346][ T5854] Bluetooth: hci2: command tx timeout [ 158.178282][ T5904] Bluetooth: hci0: command tx timeout [ 158.183834][ T5854] Bluetooth: hci3: command tx timeout [ 158.193830][ T5891] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.247800][ T5900] veth0_vlan: entered promiscuous mode [ 158.254066][ T5854] Bluetooth: hci1: command tx timeout [ 158.267175][ T5900] veth1_vlan: entered promiscuous mode [ 158.280398][ T5891] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.296649][ T5891] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.311258][ T5891] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.330234][ T5892] veth0_macvtap: entered promiscuous mode [ 158.370985][ T5891] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.384553][ T5891] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.393730][ T5891] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.402777][ T5891] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.418395][ T5892] veth1_macvtap: entered promiscuous mode [ 158.468487][ T5900] veth0_macvtap: entered promiscuous mode [ 158.499055][ T5892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 158.509921][ T5892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.520557][ T5892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 158.533409][ T5892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.545336][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.557344][ T5900] veth1_macvtap: entered promiscuous mode [ 158.593238][ T5892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.607711][ T5892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.618420][ T5892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.635739][ T5892] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.649818][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.685077][ T5892] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.717627][ T5892] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.726604][ T5892] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.736208][ T5892] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.769147][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 158.785702][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.795873][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 158.806836][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.817975][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 158.828961][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.845559][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.894418][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.909273][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.920731][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.933444][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.944078][ T5900] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 158.955115][ T5900] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 158.966858][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.977810][ T42] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 158.991276][ T5900] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 159.001390][ T5900] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 159.002215][ T42] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.016363][ T5900] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 159.027846][ T5900] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 159.121558][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.153601][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.185680][ T42] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.197004][ T42] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.357861][ T1306] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.407485][ T1306] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.447596][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.473950][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.561625][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.575606][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/01/10 03:24:10 executed programs: 132 2026/01/10 03:24:15 executed programs: 303 [ 194.334706][ T1279] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.345964][ T1279] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.774807][ T1279] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.781182][ T1279] ieee802154 phy1 wpan1: encryption failed: -22 [ 273.215781][ T5905] Bluetooth: hci2: command 0x0406 tx timeout [ 273.221951][ T5898] Bluetooth: hci3: command 0x0406 tx timeout [ 273.228000][ T5898] Bluetooth: hci0: command 0x0406 tx timeout [ 273.241283][ T5854] Bluetooth: hci1: command 0x0406 tx timeout [ 306.332064][ T29] INFO: task syz.2.19:6014 blocked for more than 143 seconds. [ 306.339762][ T29] Not tainted syzkaller #0 [ 306.345243][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 306.354195][ T29] task:syz.2.19 state:D stack:24496 pid:6014 ppid:5892 flags:0x00004000 [ 306.363675][ T29] Call Trace: [ 306.366963][ T29] [ 306.369885][ T29] __schedule+0x14d2/0x44d0 [ 306.374506][ T29] ? asan.module_dtor+0x20/0x20 [ 306.379762][ T29] ? mark_lock+0x94/0x320 [ 306.384158][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 306.390157][ T29] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 306.395689][ T29] schedule+0xbd/0x170 [ 306.399790][ T29] schedule_preempt_disabled+0x13/0x20 [ 306.405328][ T29] rwsem_down_write_slowpath+0xbd2/0xfa0 [ 306.410981][ T29] ? rwsem_down_write_slowpath+0x7b7/0xfa0 [ 306.416971][ T29] ? rwsem_down_read_slowpath+0x840/0x840 [ 306.422971][ T29] ? read_lock_is_recursive+0x20/0x20 [ 306.428701][ T29] down_write+0x1a7/0x1f0 [ 306.433125][ T29] ? down_read_killable+0x340/0x340 [ 306.438338][ T29] exit_mmap+0x245/0xb50 [ 306.442794][ T29] ? exit_mm_release+0x1a/0x30 [ 306.447569][ T29] ? vm_brk+0x30/0x30 [ 306.451532][ T29] ? __mutex_unlock_slowpath+0x1a2/0x6a0 [ 306.457382][ T29] ? uprobe_clear_state+0x278/0x290 [ 306.463485][ T29] ? mm_update_next_owner+0x562/0x6c0 [ 306.468904][ T29] __mmput+0x118/0x3c0 [ 306.473015][ T29] exit_mm+0x1da/0x2c0 [ 306.477097][ T29] ? do_exit+0x23c0/0x23c0 [ 306.482286][ T29] ? taskstats_exit+0x35e/0x9e0 [ 306.487182][ T29] do_exit+0x88e/0x23c0 [ 306.491512][ T29] ? put_task_struct+0xc0/0xc0 [ 306.496403][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 306.502507][ T29] ? lock_chain_count+0x20/0x20 [ 306.507365][ T29] ? _raw_spin_lock_irq+0xaf/0xe0 [ 306.512434][ T29] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 306.517814][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 306.523846][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 306.529050][ T29] ? lockdep_hardirqs_on+0x98/0x150 [ 306.534444][ T29] do_group_exit+0x21b/0x2d0 [ 306.539061][ T29] __x64_sys_exit_group+0x3f/0x40 [ 306.544150][ T29] do_syscall_64+0x55/0xb0 [ 306.548567][ T29] ? clear_bhb_loop+0x40/0x90 [ 306.553271][ T29] ? clear_bhb_loop+0x40/0x90 [ 306.557956][ T29] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 306.563921][ T29] RIP: 0033:0x7fdc5ab8f749 [ 306.568347][ T29] RSP: 002b:00007ffc54242688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 306.577116][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc5ab8f749 [ 306.585747][ T29] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 [ 306.593789][ T29] RBP: 0000000000000003 R08: 000000055424277f R09: 00007fdc5adb4280 [ 306.601772][ T29] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 306.609792][ T29] R13: 00007fdc5adb4280 R14: 0000000000000003 R15: 00007ffc54242740 [ 306.617805][ T29] [ 306.620824][ T29] [ 306.620824][ T29] Showing all locks held in the system: [ 306.628563][ T29] 1 lock held by khungtaskd/29: [ 306.633435][ T29] #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 [ 306.643495][ T29] 2 locks held by kworker/u4:8/3464: [ 306.648778][ T29] #0: ffff8880b8e3c018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 306.658799][ T29] #1: ffff8880b8e289c0 (psi_seq){-.-.}-{0:0}, at: __schedule+0x20ee/0x44d0 [ 306.667585][ T29] 2 locks held by udevd/5135: [ 306.672446][ T29] #0: ffffffff8cdd2190 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x268/0x1ca0 [ 306.681273][ T29] #1: ffff88807de4d720 (&mm->mmap_lock){++++}-{3:3}, at: copy_mm+0x283/0x1ca0 [ 306.691060][ T29] 2 locks held by getty/5523: [ 306.695798][ T29] #0: ffff88802d5440a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 306.705591][ T29] #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380 [ 306.715736][ T29] 1 lock held by syz-execprog/5786: [ 306.720949][ T29] #0: ffff88802f2d4420 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x168/0x400 [ 306.730394][ T29] 1 lock held by syz-executor/5788: [ 306.735624][ T29] #0: ffff88802f2d4da0 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x168/0x400 [ 306.745095][ T29] 1 lock held by syz-executor/5891: [ 306.750289][ T29] #0: ffff88807b850b20 (&mm->mmap_lock){++++}-{3:3}, at: exit_mmap+0x245/0xb50 [ 306.759513][ T29] 2 locks held by syz-executor/5900: [ 306.764827][ T29] #0: ffffffff8cdd2190 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x268/0x1ca0 [ 306.773652][ T29] #1: ffff888023a3cda0 (&mm->mmap_lock){++++}-{3:3}, at: copy_mm+0x283/0x1ca0 [ 306.782708][ T29] 1 lock held by syz.2.19/6014: [ 306.788377][ T29] #0: ffff888060fccda0 (&mm->mmap_lock){++++}-{3:3}, at: exit_mmap+0x245/0xb50 [ 306.797516][ T29] [ 306.799842][ T29] ============================================= [ 306.799842][ T29] [ 306.808284][ T29] NMI backtrace for cpu 1 [ 306.812629][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 [ 306.819822][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 306.829859][ T29] Call Trace: [ 306.833133][ T29] [ 306.836069][ T29] dump_stack_lvl+0x16c/0x230 [ 306.840754][ T29] ? preempt_count_add+0x91/0x1a0 [ 306.845765][ T29] ? show_regs_print_info+0x20/0x20 [ 306.850946][ T29] ? load_image+0x3b0/0x3b0 [ 306.855454][ T29] nmi_cpu_backtrace+0x39b/0x3d0 [ 306.860394][ T29] ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0 [ 306.866529][ T29] ? _printk+0xd0/0x110 [ 306.870665][ T29] ? load_image+0x3b0/0x3b0 [ 306.875163][ T29] ? load_image+0x3b0/0x3b0 [ 306.879668][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 306.885742][ T29] nmi_trigger_cpumask_backtrace+0x17a/0x2f0 [ 306.891712][ T29] watchdog+0xf41/0xf80 [ 306.895864][ T29] ? watchdog+0x1e1/0xf80 [ 306.900186][ T29] kthread+0x2fa/0x390 [ 306.904241][ T29] ? hungtask_pm_notify+0x90/0x90 [ 306.909255][ T29] ? kthread_blkcg+0xd0/0xd0 [ 306.913832][ T29] ret_from_fork+0x48/0x80 [ 306.918235][ T29] ? kthread_blkcg+0xd0/0xd0 [ 306.922809][ T29] ret_from_fork_asm+0x11/0x20 [ 306.927569][ T29] [ 306.931792][ T29] Sending NMI from CPU 1 to CPUs 0: [ 306.937231][ C0] NMI backtrace for cpu 0 [ 306.937239][ C0] CPU: 0 PID: 77 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 306.937255][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 306.937269][ C0] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 306.937291][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x90 [ 306.937312][ C0] Code: 08 03 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 15 40 21 7e 7e 65 8b 0d 41 21 7e 7e 81 e1 00 01 ff 00 74 [ 306.937324][ C0] RSP: 0018:ffffc900022ff448 EFLAGS: 00000246 [ 306.937337][ C0] RAX: ffffffff813ab240 RBX: ffffc900022f8000 RCX: 1ffff9200045feb1 [ 306.937349][ C0] RDX: ffffffff813ab186 RSI: 0000000000000001 RDI: 0000000000000000 [ 306.937358][ C0] RBP: 0000000000000001 R08: ffff88801f2e3c00 R09: 0000000000000003 [ 306.937368][ C0] R10: 0000000000000004 R11: 0000000000000000 R12: 1ffff9200045feb2 [ 306.937377][ C0] R13: 1ffff9200045feb3 R14: ffffc900022ff618 R15: ffffc90002300000 [ 306.937389][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 306.937402][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 306.937412][ C0] CR2: 000055a72f7f5660 CR3: 000000000cb30000 CR4: 00000000003506f0 [ 306.937426][ C0] Call Trace: [ 306.937430][ C0] [ 306.937435][ C0] unwind_next_frame+0xf00/0x2970 [ 306.937463][ C0] ? arch_stack_walk+0xf8/0x190 [ 306.937487][ C0] __unwind_start+0x66a/0x7e0 [ 306.937510][ C0] ? stack_trace_save+0xe0/0xe0 [ 306.937527][ C0] arch_stack_walk+0xf8/0x190 [ 306.937543][ C0] ? arch_stack_walk+0xf8/0x190 [ 306.937559][ C0] stack_trace_save+0x9c/0xe0 [ 306.937576][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 306.937592][ C0] ? ret_from_fork_asm+0x11/0x20 [ 306.937612][ C0] ? arch_stack_walk+0x16e/0x190 [ 306.937628][ C0] kasan_set_track+0x4e/0x70 [ 306.937667][ C0] ? __kmem_cache_alloc_node+0x13e/0x260 [ 306.937686][ C0] ? pskb_expand_head+0x185/0x1230 [ 306.937705][ C0] __kasan_kmalloc+0x8f/0xa0 [ 306.937721][ C0] ? pskb_expand_head+0x185/0x1230 [ 306.937736][ C0] __kmalloc_node_track_caller+0xb2/0x230 [ 306.937759][ C0] ? pskb_expand_head+0x185/0x1230 [ 306.937775][ C0] kmalloc_reserve+0x116/0x240 [ 306.937792][ C0] pskb_expand_head+0x185/0x1230 [ 306.937811][ C0] ? __asan_memcpy+0x40/0x70 [ 306.937829][ C0] ? __skb_clone+0x63/0x790 [ 306.937847][ C0] batadv_skb_head_push+0x166/0x200 [ 306.937867][ C0] batadv_send_skb_packet+0xeb/0x650 [ 306.937888][ C0] batadv_iv_send_outstanding_bat_ogm_packet+0x69a/0x840 [ 306.937913][ C0] ? process_scheduled_works+0x957/0x15b0 [ 306.937931][ C0] process_scheduled_works+0xa45/0x15b0 [ 306.937961][ C0] ? assign_work+0x400/0x400 [ 306.937982][ C0] ? assign_work+0x39e/0x400 [ 306.938000][ C0] worker_thread+0xa55/0xfc0 [ 306.938018][ C0] ? _raw_spin_unlock_irqrestore+0xae/0x110 [ 306.938036][ C0] ? _raw_spin_unlock+0x40/0x40 [ 306.938051][ C0] ? _raw_spin_unlock_irqrestore+0x86/0x110 [ 306.938078][ C0] kthread+0x2fa/0x390 [ 306.938091][ C0] ? pr_cont_work+0x560/0x560 [ 306.938108][ C0] ? kthread_blkcg+0xd0/0xd0 [ 306.938121][ C0] ret_from_fork+0x48/0x80 [ 306.938137][ C0] ? kthread_blkcg+0xd0/0xd0 [ 306.938151][ C0] ret_from_fork_asm+0x11/0x20 [ 306.938176][ C0] [ 306.939915][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 307.269123][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0 [ 307.276305][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 307.286343][ T29] Call Trace: [ 307.289606][ T29] [ 307.292540][ T29] dump_stack_lvl+0x16c/0x230 [ 307.297231][ T29] ? show_regs_print_info+0x20/0x20 [ 307.302433][ T29] ? load_image+0x3b0/0x3b0 [ 307.306931][ T29] panic+0x2c0/0x710 [ 307.310817][ T29] ? schedule_preempt_disabled+0x20/0x20 [ 307.316452][ T29] ? bpf_jit_dump+0xd0/0xd0 [ 307.320954][ T29] ? __irq_work_queue_local+0x13a/0x3b0 [ 307.326492][ T29] ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0 [ 307.332642][ T29] watchdog+0xf80/0xf80 [ 307.336791][ T29] ? watchdog+0x1e1/0xf80 [ 307.341121][ T29] kthread+0x2fa/0x390 [ 307.345182][ T29] ? hungtask_pm_notify+0x90/0x90 [ 307.350199][ T29] ? kthread_blkcg+0xd0/0xd0 [ 307.354772][ T29] ret_from_fork+0x48/0x80 [ 307.359175][ T29] ? kthread_blkcg+0xd0/0xd0 [ 307.363749][ T29] ret_from_fork_asm+0x11/0x20 [ 307.368515][ T29] [ 307.371865][ T29] Kernel Offset: disabled [ 307.376175][ T29] Rebooting in 86400 seconds..