Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts. 2025/12/04 16:52:56 parsed 1 programs [ 82.622062][ T4269] cgroup: Unknown subsys name 'net' [ 82.729446][ T4269] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 84.417727][ T4269] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 86.993060][ T1169] cfg80211: failed to load regulatory.db [ 88.635514][ T4334] chnl_net:caif_netlink_parms(): no params data found [ 88.704167][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.712604][ T4334] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.721684][ T4334] device bridge_slave_0 entered promiscuous mode [ 88.751741][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.758863][ T4334] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.767382][ T4334] device bridge_slave_1 entered promiscuous mode [ 88.792110][ T4334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.803917][ T4334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.842085][ T4334] team0: Port device team_slave_0 added [ 88.849812][ T4334] team0: Port device team_slave_1 added [ 88.872203][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.879290][ 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. [ 88.905588][ T4334] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.932457][ T4334] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.939461][ 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. [ 88.966152][ T4334] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.013997][ T4334] device hsr_slave_0 entered promiscuous mode [ 89.021470][ T4334] device hsr_slave_1 entered promiscuous mode [ 89.150686][ T4334] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.164069][ T4334] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.189427][ T4334] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.200844][ T4334] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.235765][ T4334] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.243427][ T4334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.251783][ T4334] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.258955][ T4334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.330078][ T4334] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.347412][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.363733][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.373613][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.382530][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 89.397876][ T4334] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.416255][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.425177][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.432340][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.449170][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.458011][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.465147][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.488985][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.498031][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.509997][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.531703][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.546494][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.569986][ T4334] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.803704][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 89.811657][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 89.834869][ T4334] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.860217][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 89.869462][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 89.892004][ T4334] device veth0_vlan entered promiscuous mode [ 89.899976][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 89.909855][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 89.921635][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 89.929599][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 89.952155][ T4334] device veth1_vlan entered promiscuous mode [ 89.974340][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 89.982924][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 89.993771][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.002750][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.023039][ T4334] device veth0_macvtap entered promiscuous mode [ 90.034934][ T4334] device veth1_macvtap entered promiscuous mode [ 90.053194][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.061124][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.069619][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.077961][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 90.086992][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 90.109441][ T4334] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.117183][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 90.126899][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 90.140909][ T4334] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.150197][ T4334] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.159000][ T4334] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.167848][ T4334] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.527014][ T65] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.808957][ T4348] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.838320][ T4348] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.856492][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 90.869762][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 90.879084][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 90.889811][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 91.031837][ T4365] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.040018][ T4365] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.048623][ T4365] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.057032][ T4365] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.066000][ T4365] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.073658][ T4365] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/04 16:53:07 executed programs: 0 [ 91.688254][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.697043][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.706516][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.715337][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.723342][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.731355][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.888651][ T4374] chnl_net:caif_netlink_parms(): no params data found [ 91.940509][ T4374] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.947782][ T4374] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.956257][ T4374] device bridge_slave_0 entered promiscuous mode [ 91.966087][ T4374] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.973949][ T4374] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.982482][ T4374] device bridge_slave_1 entered promiscuous mode [ 92.008278][ T4374] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.020402][ T4374] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.050285][ T4374] team0: Port device team_slave_0 added [ 92.059028][ T4374] team0: Port device team_slave_1 added [ 92.081143][ T4374] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.088148][ T4374] 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. [ 92.115139][ T4374] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.127560][ T4374] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.134863][ T4374] 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. [ 92.160977][ T4374] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.199476][ T4374] device hsr_slave_0 entered promiscuous mode [ 92.206659][ T4374] device hsr_slave_1 entered promiscuous mode [ 92.213642][ T4374] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 92.221868][ T4374] Cannot create hsr debugfs directory [ 92.563135][ T65] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 93.781510][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 94.833539][ T65] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.909924][ T65] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.777766][ T4374] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.788557][ T4374] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.799526][ T4374] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.811838][ T4374] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.831429][ T65] device hsr_slave_0 left promiscuous mode [ 95.838176][ T65] device hsr_slave_1 left promiscuous mode [ 95.845498][ T65] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 95.853486][ T65] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 95.862170][ T4365] Bluetooth: hci0: command 0x041b tx timeout [ 95.869709][ T65] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 95.877579][ T65] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.885889][ T65] device bridge_slave_1 left promiscuous mode [ 95.893324][ T65] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.906919][ T65] device bridge_slave_0 left promiscuous mode [ 95.914788][ T65] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.947300][ T65] device veth1_macvtap left promiscuous mode [ 95.954255][ T65] device veth0_macvtap left promiscuous mode [ 95.960636][ T65] device veth1_vlan left promiscuous mode [ 95.967411][ T65] device veth0_vlan left promiscuous mode [ 96.449467][ T65] team0 (unregistering): Port device team_slave_1 removed [ 96.481553][ T65] team0 (unregistering): Port device team_slave_0 removed [ 96.515349][ T65] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 96.548019][ T65] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 96.871859][ T65] bond0 (unregistering): Released all slaves [ 97.033929][ T4374] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.051623][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 97.059570][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.071563][ T4374] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.082505][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 97.091758][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.100276][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.107445][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.115656][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 97.128054][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 97.137167][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.147248][ T41] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.154689][ T41] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.173610][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 97.194801][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 97.208461][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 97.217848][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 97.227029][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 97.239875][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 97.249806][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 97.274289][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 97.287304][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 97.298776][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 97.307875][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 97.320753][ T4374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 97.595389][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.604484][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.619280][ T4374] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.639196][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 97.648357][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 97.667299][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 97.676341][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 97.686661][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 97.694947][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 97.705091][ T4374] device veth0_vlan entered promiscuous mode [ 97.716335][ T4374] device veth1_vlan entered promiscuous mode [ 97.736559][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 97.745272][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 97.754071][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 97.762960][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 97.782634][ T4374] device veth0_macvtap entered promiscuous mode [ 97.793245][ T4374] device veth1_macvtap entered promiscuous mode [ 97.810877][ T4374] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.818960][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 97.828990][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 97.838200][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 97.848089][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 97.870490][ T4374] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.878556][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.887616][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.908337][ T4374] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.917817][ T4374] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.927313][ T4374] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.936108][ T4374] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.941284][ T4365] Bluetooth: hci0: command 0x040f tx timeout [ 98.017899][ T41] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.045700][ T41] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.047908][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.057657][ T4348] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 98.074749][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.097134][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 98.148271][ C0] [ 98.148280][ C0] ================================ [ 98.148286][ C0] WARNING: inconsistent lock state [ 98.148297][ C0] syzkaller #0 Not tainted [ 98.148305][ C0] -------------------------------- [ 98.148309][ C0] inconsistent {INITIAL USE} -> {IN-NMI} usage. [ 98.148317][ C0] syz.0.17/4424 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 98.148335][ C0] ffff88802aec1238 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690 [ 98.148402][ C0] {INITIAL USE} state was registered at: [ 98.148409][ C0] lock_acquire+0x1b4/0x490 [ 98.148435][ C0] _raw_spin_lock_irqsave+0xa4/0xf0 [ 98.148464][ C0] trie_delete_elem+0x90/0x690 [ 98.148487][ C0] bpf_prog_0094bb5c89a0e79b+0x40/0x44 [ 98.148509][ C0] bpf_overflow_handler+0x525/0x7b0 [ 98.148528][ C0] __perf_event_overflow+0x448/0x610 [ 98.148553][ C0] perf_swevent_event+0x4ad/0x530 [ 98.148578][ C0] perf_bp_event+0x23a/0x2a0 [ 98.148604][ C0] hw_breakpoint_exceptions_notify+0x152/0x470 [ 98.148632][ C0] atomic_notifier_call_chain+0x17a/0x2b0 [ 98.148659][ C0] notify_die+0x12d/0x180 [ 98.148677][ C0] notify_debug+0x20/0x30 [ 98.148698][ C0] noist_exc_debug+0x73/0x120 [ 98.148720][ C0] asm_exc_debug+0x2f/0x40 [ 98.148737][ C0] irq event stamp: 2574 [ 98.148744][ C0] hardirqs last enabled at (2573): [] exc_debug+0xf0/0x130 [ 98.148772][ C0] hardirqs last disabled at (2574): [] exc_debug+0x6e/0x130 [ 98.148799][ C0] softirqs last enabled at (2276): [] bpf_prog_load+0x117f/0x15a0 [ 98.148830][ C0] softirqs last disabled at (2274): [] bpf_ksym_add+0x29/0x340 [ 98.148864][ C0] [ 98.148864][ C0] other info that might help us debug this: [ 98.148869][ C0] Possible unsafe locking scenario: [ 98.148869][ C0] [ 98.148874][ C0] CPU0 [ 98.148877][ C0] ---- [ 98.148880][ C0] lock(&trie->lock); [ 98.148891][ C0] [ 98.148894][ C0] lock(&trie->lock); [ 98.148904][ C0] [ 98.148904][ C0] *** DEADLOCK *** [ 98.148904][ C0] [ 98.148907][ C0] no locks held by syz.0.17/4424. [ 98.148915][ C0] [ 98.148915][ C0] stack backtrace: [ 98.148933][ C0] CPU: 0 PID: 4424 Comm: syz.0.17 Not tainted syzkaller #0 [ 98.148952][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 98.148971][ C0] Call Trace: [ 98.148978][ C0] <#DB> [ 98.148984][ C0] dump_stack_lvl+0x168/0x22e [ 98.149008][ C0] ? show_regs_print_info+0x12/0x12 [ 98.149033][ C0] ? print_usage_bug+0x42a/0x690 [ 98.149061][ C0] ? verify_lock_unused+0x18/0x140 [ 98.149089][ C0] lock_acquire+0x2ce/0x490 [ 98.149117][ C0] ? trie_delete_elem+0x90/0x690 [ 98.149144][ C0] ? read_lock_is_recursive+0x10/0x10 [ 98.149178][ C0] _raw_spin_lock_irqsave+0xa4/0xf0 [ 98.149208][ C0] ? trie_delete_elem+0x90/0x690 [ 98.149235][ C0] ? _raw_spin_lock+0x40/0x40 [ 98.149263][ C0] ? lock_acquire+0x2ce/0x490 [ 98.149292][ C0] trie_delete_elem+0x90/0x690 [ 98.149318][ C0] ? __cant_sleep+0x210/0x210 [ 98.149354][ C0] bpf_prog_0094bb5c89a0e79b+0x40/0x44 [ 98.149374][ C0] bpf_overflow_handler+0x525/0x7b0 [ 98.149396][ C0] ? bpf_overflow_handler+0xcb/0x7b0 [ 98.149417][ C0] ? perf_event_switch_output+0x680/0x680 [ 98.149442][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 98.149473][ C0] __perf_event_overflow+0x448/0x610 [ 98.149505][ C0] perf_swevent_event+0x4ad/0x530 [ 98.149537][ C0] perf_bp_event+0x23a/0x2a0 [ 98.149569][ C0] ? perf_event_free_bpf_prog+0x110/0x110 [ 98.149613][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 98.149635][ C0] ? read_lock_is_recursive+0x10/0x10 [ 98.149673][ C0] hw_breakpoint_exceptions_notify+0x152/0x470 [ 98.149704][ C0] atomic_notifier_call_chain+0x17a/0x2b0 [ 98.149725][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 98.149748][ C0] notify_die+0x12d/0x180 [ 98.149770][ C0] ? srcu_init_notifier_head+0x90/0x90 [ 98.149799][ C0] notify_debug+0x20/0x30 [ 98.149822][ C0] exc_debug+0xd9/0x130 [ 98.149848][ C0] asm_exc_debug+0x1a/0x40 [ 98.149867][ C0] RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 [ 98.149893][ 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 [ 98.149916][ C0] RSP: 0018:ffffc900032e7c28 EFLAGS: 00050206 [ 98.149933][ C0] RAX: ffffffff84072901 RBX: 0000000000000e40 RCX: 0000000000000dfd [ 98.149947][ C0] RDX: 0000000000000e40 RSI: 0000200000000303 RDI: ffff888079fbc083 [ 98.149961][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100f3f79d0 [ 98.149975][ C0] R10: 0000000000000000 R11: 00000000000001c8 R12: 00007fffffffe1c0 [ 98.149988][ C0] R13: dffffc0000000000 R14: ffff888079fbc040 R15: 00002000000002c0 [ 98.150007][ C0] ? _copy_from_user+0x61/0x170 [ 98.150033][ C0] [ 98.150038][ C0] [ 98.150043][ C0] _copy_from_user+0xf4/0x170 [ 98.150066][ C0] bpf_prog_test_run_skb+0x258/0x11b0 [ 98.150088][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 98.150117][ C0] ? __fdget+0x146/0x200 [ 98.150143][ C0] ? cpu_online+0xa0/0xa0 [ 98.150161][ C0] bpf_prog_test_run+0x31e/0x390 [ 98.150189][ C0] __sys_bpf+0x593/0x6d0 [ 98.150215][ C0] ? bpf_link_show_fdinfo+0x340/0x340 [ 98.150240][ C0] ? do_sys_openat2+0x1fe/0x490 [ 98.150271][ C0] ? lock_chain_count+0x20/0x20 [ 98.150301][ C0] __x64_sys_bpf+0x78/0x90 [ 98.150326][ C0] do_syscall_64+0x4c/0xa0 [ 98.150348][ C0] ? clear_bhb_loop+0x60/0xb0 [ 98.150370][ C0] ? clear_bhb_loop+0x60/0xb0 [ 98.150393][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 98.150413][ C0] RIP: 0033:0x7f62bb18f749 [ 98.150429][ 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 [ 98.150444][ C0] RSP: 002b:00007ffec3f8a6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 98.150463][ C0] RAX: ffffffffffffffda RBX: 00007f62bb3e5fa0 RCX: 00007f62bb18f749 [ 98.150477][ C0] RDX: 000000000000004c RSI: 0000200000000240 RDI: 000000000000000a [ 98.150490][ C0] RBP: 00007f62bb213f91 R08: 0000000000000000 R09: 0000000000000000 [ 98.150502][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 98.150513][ C0] R13: 00007f62bb3e5fa0 R14: 00007f62bb3e5fa0 R15: 0000000000000003 [ 98.150534][ C0]