no interfaces have a carrier [ 61.697991][ T3932] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.707689][ T3932] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. 2025/12/06 05:54:20 parsed 1 programs syzkaller login: [ 92.050006][ T4270] cgroup: Unknown subsys name 'net' [ 92.211385][ T4270] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.020110][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 95.531305][ T4283] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.539533][ T4283] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.548025][ T4283] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.556830][ T4283] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.564939][ T4283] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 95.572528][ T4283] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 98.346560][ T75] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.354988][ T75] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.365687][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 98.400263][ T75] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.408445][ T75] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.417869][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 98.776486][ T4348] chnl_net:caif_netlink_parms(): no params data found [ 98.841653][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.850070][ T4348] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.859594][ T25] cfg80211: failed to load regulatory.db [ 98.863632][ T4348] device bridge_slave_0 entered promiscuous mode [ 98.877761][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.885343][ T4348] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.893275][ T4348] device bridge_slave_1 entered promiscuous mode [ 98.926593][ T4348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.938818][ T4348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.970125][ T4348] team0: Port device team_slave_0 added [ 98.978786][ T4348] team0: Port device team_slave_1 added [ 99.008332][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.015650][ T4348] 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. [ 99.042578][ T4348] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.056082][ T4348] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.063085][ T4348] 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. [ 99.089094][ T4348] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.125202][ T4348] device hsr_slave_0 entered promiscuous mode [ 99.132309][ T4348] device hsr_slave_1 entered promiscuous mode [ 99.290703][ T4348] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.301836][ T4348] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.312794][ T4348] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.323201][ T4348] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.353738][ T4348] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.361057][ T4348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.368992][ T4348] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.376227][ T4348] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.426504][ T4348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.436314][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.446489][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.470976][ T4348] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.487013][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 99.497761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.515749][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 99.526048][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.535711][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.544922][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.555747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 99.564817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.574569][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.581914][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.590154][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 99.602571][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 99.626957][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 99.637624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.648133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.672643][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 99.686193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.696091][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 99.705113][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.717037][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 99.726125][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.748959][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.968674][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.977804][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.992833][ T4348] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.021585][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 100.030789][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.053063][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.062468][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.072580][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.081486][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.132696][ T4348] device veth0_vlan entered promiscuous mode [ 100.147716][ T4348] device veth1_vlan entered promiscuous mode [ 100.171422][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.180117][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.189415][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.198767][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.213264][ T4348] device veth0_macvtap entered promiscuous mode [ 100.258186][ T4348] device veth1_macvtap entered promiscuous mode [ 100.276701][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.285878][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.295641][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.303654][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.312838][ T75] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.333270][ T4348] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.341168][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.350527][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 100.371140][ T4348] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.380646][ T4348] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.389710][ T4348] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.399043][ T4348] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 100.711383][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/06 05:54:31 executed programs: 0 [ 101.040321][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 101.049148][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 101.057201][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 101.067891][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 101.077524][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 101.085984][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 101.231684][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 101.285783][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.293119][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.301649][ T4371] device bridge_slave_0 entered promiscuous mode [ 101.314530][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.321920][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.330427][ T4371] device bridge_slave_1 entered promiscuous mode [ 101.361491][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.372980][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.401829][ T4371] team0: Port device team_slave_0 added [ 101.412236][ T4371] team0: Port device team_slave_1 added [ 101.436649][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.443698][ T4371] 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. [ 101.470550][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.483638][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.490826][ T4371] 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. [ 101.518728][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.561684][ T4371] device hsr_slave_0 entered promiscuous mode [ 101.568977][ T4371] device hsr_slave_1 entered promiscuous mode [ 101.576166][ T4371] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 101.585014][ T4371] Cannot create hsr debugfs directory [ 102.547642][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 103.174600][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 104.815177][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 104.900496][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 105.255171][ T4283] Bluetooth: hci0: command 0x041b tx timeout [ 105.796328][ T11] device hsr_slave_0 left promiscuous mode [ 105.806677][ T11] device hsr_slave_1 left promiscuous mode [ 105.817240][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 105.826265][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 105.835846][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 105.844169][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 105.852342][ T11] device bridge_slave_1 left promiscuous mode [ 105.860331][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.873806][ T11] device bridge_slave_0 left promiscuous mode [ 105.882466][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.920093][ T11] device veth1_macvtap left promiscuous mode [ 105.929036][ T11] device veth0_macvtap left promiscuous mode [ 105.938089][ T11] device veth1_vlan left promiscuous mode [ 105.945922][ T11] device veth0_vlan left promiscuous mode [ 106.430512][ T11] team0 (unregistering): Port device team_slave_1 removed [ 106.462850][ T11] team0 (unregistering): Port device team_slave_0 removed [ 106.493617][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 106.527099][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 106.828020][ T11] bond0 (unregistering): Released all slaves [ 106.904919][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.916765][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.927074][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.937283][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 107.021823][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.037533][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 107.057427][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 107.069398][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.080962][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.090273][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 107.099143][ T33] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.106421][ T33] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.120107][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 107.128536][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.137567][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 107.146698][ T33] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.154090][ T33] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.167102][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 107.195630][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 107.205652][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 107.215623][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.224940][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 107.236955][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 107.246110][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.260072][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 107.268920][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 107.280792][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 107.289874][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 107.308239][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 107.334406][ T4283] Bluetooth: hci0: command 0x040f tx timeout [ 107.533747][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 107.542209][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 107.556972][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.578286][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 107.587523][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 107.611850][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 107.620651][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 107.629619][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 107.637819][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 107.648704][ T4371] device veth0_vlan entered promiscuous mode [ 107.662969][ T4371] device veth1_vlan entered promiscuous mode [ 107.683243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 107.692122][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 107.700576][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 107.710644][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 107.721236][ T4371] device veth0_macvtap entered promiscuous mode [ 107.734262][ T4371] device veth1_macvtap entered promiscuous mode [ 107.750417][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.758930][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 107.768400][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 107.778432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 107.788859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 107.800698][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.812354][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 107.822347][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 107.834538][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.843312][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.852584][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.862068][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.929236][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.939863][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.952764][ T4378] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/12/06 05:54:39 executed programs: 2 [ 107.974353][ T4378] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.982881][ T4378] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.996906][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 108.549641][ C0] [ 108.549719][ C0] ================================ [ 108.549725][ C0] WARNING: inconsistent lock state [ 108.549735][ C0] syzkaller #0 Not tainted [ 108.549744][ C0] -------------------------------- [ 108.549749][ C0] inconsistent {INITIAL USE} -> {IN-NMI} usage. [ 108.549756][ C0] syz.0.34/4435 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 108.549774][ C0] ffff888018a99820 (&htab->lockdep_key#3){....}-{2:2}, at: htab_lock_bucket+0x17d/0x300 [ 108.549841][ C0] {INITIAL USE} state was registered at: [ 108.549848][ C0] lock_acquire+0x1b4/0x490 [ 108.549870][ C0] _raw_spin_lock+0x2a/0x40 [ 108.549898][ C0] htab_lock_bucket+0x17d/0x300 [ 108.549915][ C0] __htab_percpu_map_update_elem+0x1d7/0x6f0 [ 108.549933][ C0] bpf_percpu_hash_update+0x133/0x200 [ 108.549951][ C0] bpf_map_update_value+0x310/0x670 [ 108.549970][ C0] map_update_elem+0x4d7/0x680 [ 108.549991][ C0] __sys_bpf+0x454/0x6d0 [ 108.550010][ C0] __x64_sys_bpf+0x78/0x90 [ 108.550029][ C0] do_syscall_64+0x4c/0xa0 [ 108.550048][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 108.550065][ C0] irq event stamp: 2486 [ 108.550070][ C0] hardirqs last enabled at (2485): [] exc_debug+0xf0/0x130 [ 108.550095][ C0] hardirqs last disabled at (2486): [] exc_debug+0x6e/0x130 [ 108.550120][ C0] softirqs last enabled at (2468): [] __irq_exit_rcu+0x12f/0x220 [ 108.550162][ C0] softirqs last disabled at (2411): [] __irq_exit_rcu+0x12f/0x220 [ 108.550191][ C0] [ 108.550191][ C0] other info that might help us debug this: [ 108.550196][ C0] Possible unsafe locking scenario: [ 108.550196][ C0] [ 108.550200][ C0] CPU0 [ 108.550203][ C0] ---- [ 108.550206][ C0] lock(&htab->lockdep_key#3); [ 108.550223][ C0] [ 108.550226][ C0] lock(&htab->lockdep_key#3); [ 108.550240][ C0] [ 108.550240][ C0] *** DEADLOCK *** [ 108.550240][ C0] [ 108.550244][ C0] no locks held by syz.0.34/4435. [ 108.550251][ C0] [ 108.550251][ C0] stack backtrace: [ 108.550270][ C0] CPU: 0 PID: 4435 Comm: syz.0.34 Not tainted syzkaller #0 [ 108.550287][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 108.550304][ C0] Call Trace: [ 108.550324][ C0] <#DB> [ 108.550339][ C0] dump_stack_lvl+0x168/0x22e [ 108.550368][ C0] ? show_regs_print_info+0x12/0x12 [ 108.550398][ C0] ? print_usage_bug+0x42a/0x690 [ 108.550423][ C0] ? verify_lock_unused+0x18/0x140 [ 108.550448][ C0] lock_acquire+0x2ce/0x490 [ 108.550478][ C0] ? htab_lock_bucket+0x17d/0x300 [ 108.550497][ C0] ? read_lock_is_recursive+0x10/0x10 [ 108.550527][ C0] _raw_spin_lock+0x2a/0x40 [ 108.550554][ C0] ? htab_lock_bucket+0x17d/0x300 [ 108.550590][ C0] htab_lock_bucket+0x17d/0x300 [ 108.550611][ C0] ? htab_lru_map_delete_node+0x610/0x610 [ 108.550631][ C0] ? look_up_lock_class+0x75/0x140 [ 108.550658][ C0] ? verify_lock_unused+0x18/0x140 [ 108.550683][ C0] ? htab_map_hash+0x2b1/0x6d0 [ 108.550703][ C0] htab_map_delete_elem+0x19e/0x5b0 [ 108.550723][ C0] ? bpf_overflow_handler+0xcb/0x7b0 [ 108.550742][ C0] ? htab_map_update_elem+0xae0/0xae0 [ 108.550764][ C0] bpf_prog_653fb3e4a9309dc2+0x42/0x46 [ 108.550789][ C0] bpf_overflow_handler+0x525/0x7b0 [ 108.550809][ C0] ? bpf_overflow_handler+0xcb/0x7b0 [ 108.550828][ C0] ? perf_event_switch_output+0x680/0x680 [ 108.550851][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 108.550880][ C0] __perf_event_overflow+0x448/0x610 [ 108.550909][ C0] perf_swevent_event+0x4ad/0x530 [ 108.550935][ C0] perf_bp_event+0x23a/0x2a0 [ 108.550959][ C0] ? perf_event_free_bpf_prog+0x110/0x110 [ 108.551000][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 108.551021][ C0] ? read_lock_is_recursive+0x10/0x10 [ 108.551050][ C0] hw_breakpoint_exceptions_notify+0x152/0x470 [ 108.551080][ C0] atomic_notifier_call_chain+0x17a/0x2b0 [ 108.551100][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 108.551122][ C0] notify_die+0x12d/0x180 [ 108.551150][ C0] ? srcu_init_notifier_head+0x90/0x90 [ 108.551177][ C0] notify_debug+0x20/0x30 [ 108.551206][ C0] exc_debug+0xd9/0x130 [ 108.551230][ C0] asm_exc_debug+0x1a/0x40 [ 108.551248][ C0] RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 [ 108.551281][ C0] Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 0a 90 90 90 90 90 90 90 90 90 90 [ 108.551309][ C0] RSP: 0018:ffffc900032a7d48 EFLAGS: 00050206 [ 108.551331][ C0] RAX: ffffffff84072901 RBX: 0000000000000090 RCX: 000000000000000d [ 108.551344][ C0] RDX: 0000000000000090 RSI: 0000200000000303 RDI: ffffc900032a7e43 [ 108.551357][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000654fca [ 108.551369][ C0] R10: 0000000000000000 R11: 0000000000000010 R12: 00007fffffffef70 [ 108.551381][ C0] R13: 0000000000000090 R14: ffffc900032a7dc0 R15: 0000200000000280 [ 108.551397][ C0] ? _copy_from_user+0x61/0x170 [ 108.551424][ C0] [ 108.551429][ C0] [ 108.551438][ C0] _copy_from_user+0xf4/0x170 [ 108.551461][ C0] __sys_bpf+0x265/0x6d0 [ 108.551486][ C0] ? bpf_link_show_fdinfo+0x340/0x340 [ 108.551518][ C0] ? lock_chain_count+0x20/0x20 [ 108.551546][ C0] __x64_sys_bpf+0x78/0x90 [ 108.551569][ C0] do_syscall_64+0x4c/0xa0 [ 108.551589][ C0] ? clear_bhb_loop+0x60/0xb0 [ 108.551609][ C0] ? clear_bhb_loop+0x60/0xb0 [ 108.551630][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 108.551649][ C0] RIP: 0033:0x7ff07418f749 [ 108.551663][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 108.551678][ C0] RSP: 002b:00007ffcf6daefe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 108.551696][ C0] RAX: ffffffffffffffda RBX: 00007ff0743e5fa0 RCX: 00007ff07418f749 [ 108.551709][ C0] RDX: 0000000000000094 RSI: 0000200000000280 RDI: 0000000000000005 [ 108.551721][ C0] RBP: 00007ff074213f91 R08: 0000000000000000 R09: 0000000000000000 [ 108.551732][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 108.551742][ C0] R13: 00007ff0743e5fa0 R14: 00007ff0743e5fa0 R15: 0000000000000003 [ 108.551761][ C0] [ 109.414548][ T4283] Bluetooth: hci0: command 0x0419 tx timeout 2025/12/06 05:54:44 executed programs: 233 2025/12/06 05:54:49 executed programs: 515