Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts. 2025/12/22 18:04:00 parsed 1 programs [ 60.911842][ T4270] cgroup: Unknown subsys name 'net' [ 61.097653][ T4270] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 62.422751][ T4270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 65.040051][ T4306] chnl_net:caif_netlink_parms(): no params data found [ 65.086530][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.093743][ T4306] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.101904][ T4306] device bridge_slave_0 entered promiscuous mode [ 65.110863][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.118064][ T4306] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.126483][ T4306] device bridge_slave_1 entered promiscuous mode [ 65.149421][ T4306] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.160491][ T4306] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.188634][ T4306] team0: Port device team_slave_0 added [ 65.198365][ T4306] team0: Port device team_slave_1 added [ 65.218267][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.225317][ T4306] 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. [ 65.251217][ T4306] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.263866][ T4306] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.270814][ T4306] 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. [ 65.296856][ T4306] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.335917][ T4306] device hsr_slave_0 entered promiscuous mode [ 65.342955][ T4306] device hsr_slave_1 entered promiscuous mode [ 65.419214][ T4306] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.431810][ T4306] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.441702][ T4306] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.451849][ T4306] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.499045][ T4306] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.506221][ T4306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.514044][ T4306] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.521101][ T4306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.557966][ T4306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.571888][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.581707][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.590593][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.599886][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.613637][ T4306] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.625817][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.634490][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.641558][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.660236][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.669228][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.676365][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.694174][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.703021][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.719520][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.730611][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.745257][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.761866][ T4306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.911617][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.920359][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.938645][ T4306] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.954417][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.971593][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.981256][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.990042][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.004903][ T4306] device veth0_vlan entered promiscuous mode [ 66.015881][ T4306] device veth1_vlan entered promiscuous mode [ 66.036026][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 66.045889][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.062251][ T4306] device veth0_macvtap entered promiscuous mode [ 66.071718][ T4306] device veth1_macvtap entered promiscuous mode [ 66.091129][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.104622][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.112768][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 66.120849][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 66.130121][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.141089][ T4306] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.150326][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.159008][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.170535][ T4306] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.179512][ T4306] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.188421][ T4306] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.197567][ T4306] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.385498][ T11] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.505516][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.513568][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.523787][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.540882][ T57] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.548951][ T57] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.558135][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.892008][ T4347] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.901254][ T4347] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.908953][ T4347] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.916891][ T4347] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.924428][ T4347] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.931690][ T4347] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/12/22 18:04:08 executed programs: 0 [ 67.630796][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.638581][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.646484][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.655447][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.663840][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.671011][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.776447][ T4370] chnl_net:caif_netlink_parms(): no params data found [ 67.817277][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.824517][ T4370] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.832094][ T4370] device bridge_slave_0 entered promiscuous mode [ 67.840820][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.848313][ T4370] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.856097][ T4370] device bridge_slave_1 entered promiscuous mode [ 67.876888][ T4370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.888266][ T4370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.910268][ T4370] team0: Port device team_slave_0 added [ 67.918943][ T4370] team0: Port device team_slave_1 added [ 67.936290][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.943804][ T4370] 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. [ 67.969807][ T4370] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.982091][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.989237][ T4370] 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. [ 68.015386][ T4370] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.045554][ T4370] device hsr_slave_0 entered promiscuous mode [ 68.052166][ T4370] device hsr_slave_1 entered promiscuous mode [ 68.058946][ T4370] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.066996][ T4370] Cannot create hsr debugfs directory [ 69.101996][ T11] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.753115][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 71.276138][ T1277] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.282778][ T1277] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.401555][ T11] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.444263][ T11] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.833568][ T4347] Bluetooth: hci0: command 0x041b tx timeout [ 72.270055][ T4370] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.283884][ T4370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.292320][ T4370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.302363][ T4370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.362389][ T4370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.378381][ T11] device hsr_slave_0 left promiscuous mode [ 72.385816][ T11] device hsr_slave_1 left promiscuous mode [ 72.392066][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.399870][ T11] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.408119][ T11] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.415620][ T11] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.423764][ T11] device bridge_slave_1 left promiscuous mode [ 72.430600][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.440921][ T11] device bridge_slave_0 left promiscuous mode [ 72.447916][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.465377][ T11] device veth1_macvtap left promiscuous mode [ 72.471554][ T11] device veth0_macvtap left promiscuous mode [ 72.477747][ T11] device veth1_vlan left promiscuous mode [ 72.483683][ T11] device veth0_vlan left promiscuous mode [ 72.730122][ T11] team0 (unregistering): Port device team_slave_1 removed [ 72.753909][ T11] team0 (unregistering): Port device team_slave_0 removed [ 72.780578][ T11] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.811187][ T11] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 73.024737][ T11] bond0 (unregistering): Released all slaves [ 73.113548][ T4370] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.120644][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.128443][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.139565][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.148256][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.157051][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.164189][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.173711][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.185594][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.194825][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.208262][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.215399][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.226404][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.237315][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.247813][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.256511][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.265704][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.290338][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.298943][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.308011][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.316909][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.328802][ T4370] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.339935][ T4370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.350156][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.359028][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.530010][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.537898][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.549407][ T4370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.565241][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.574097][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.591852][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.600597][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.611463][ T4370] device veth0_vlan entered promiscuous mode [ 73.620139][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.628451][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.644809][ T4370] device veth1_vlan entered promiscuous mode [ 73.680191][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.688372][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.696605][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 73.705727][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.716980][ T4370] device veth0_macvtap entered promiscuous mode [ 73.730497][ T4370] device veth1_macvtap entered promiscuous mode [ 73.752243][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.759930][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.769041][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 73.779408][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.788103][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.799589][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.808053][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.816646][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.827041][ T4370] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.835885][ T4370] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.844938][ T4370] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.853849][ T4370] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.898119][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.906235][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.921819][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.929405][ T4347] Bluetooth: hci0: command 0x040f tx timeout [ 73.937904][ T4322] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.946054][ T4322] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.955414][ T4322] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 74.030093][ C0] [ 74.030099][ C0] ================================ [ 74.030101][ C0] WARNING: inconsistent lock state [ 74.030108][ C0] syzkaller #0 Not tainted [ 74.030112][ C0] -------------------------------- [ 74.030115][ C0] inconsistent {INITIAL USE} -> {IN-NMI} usage. [ 74.030118][ C0] syz.0.17/4431 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 74.030128][ C0] ffff888028698368 (&htab->lockdep_key){....}-{2:2}, at: htab_lock_bucket+0x17d/0x300 [ 74.030160][ C0] {INITIAL USE} state was registered at: [ 74.030163][ C0] lock_acquire+0x1b4/0x490 [ 74.030174][ C0] _raw_spin_lock+0x2a/0x40 [ 74.030182][ C0] htab_lock_bucket+0x17d/0x300 [ 74.030190][ C0] htab_lru_map_update_elem+0x31e/0xe70 [ 74.030197][ C0] bpf_map_update_value+0x59e/0x670 [ 74.030206][ C0] generic_map_update_batch+0x569/0x850 [ 74.030214][ C0] bpf_map_do_batch+0x466/0x600 [ 74.030224][ C0] __sys_bpf+0x65f/0x6d0 [ 74.030232][ C0] __x64_sys_bpf+0x78/0x90 [ 74.030241][ C0] do_syscall_64+0x4c/0xa0 [ 74.030251][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 74.030260][ C0] irq event stamp: 29726 [ 74.030263][ C0] hardirqs last enabled at (29725): [] syscall_enter_from_user_mode+0x21/0x80 [ 74.030274][ C0] hardirqs last disabled at (29726): [] exc_debug+0x6e/0x130 [ 74.030287][ C0] softirqs last enabled at (29646): [] bpf_prog_load+0x117f/0x15a0 [ 74.030298][ C0] softirqs last disabled at (29644): [] bpf_ksym_add+0x29/0x340 [ 74.030311][ C0] [ 74.030311][ C0] other info that might help us debug this: [ 74.030314][ C0] Possible unsafe locking scenario: [ 74.030314][ C0] [ 74.030315][ C0] CPU0 [ 74.030317][ C0] ---- [ 74.030318][ C0] lock(&htab->lockdep_key); [ 74.030323][ C0] [ 74.030324][ C0] lock(&htab->lockdep_key); [ 74.030329][ C0] [ 74.030329][ C0] *** DEADLOCK *** [ 74.030329][ C0] [ 74.030331][ C0] no locks held by syz.0.17/4431. [ 74.030334][ C0] [ 74.030334][ C0] stack backtrace: [ 74.030342][ C0] CPU: 0 PID: 4431 Comm: syz.0.17 Not tainted syzkaller #0 [ 74.030350][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 74.030359][ C0] Call Trace: [ 74.030363][ C0] <#DB> [ 74.030367][ C0] dump_stack_lvl+0x168/0x22e [ 74.030380][ C0] ? show_regs_print_info+0x12/0x12 [ 74.030392][ C0] ? print_usage_bug+0x42a/0x690 [ 74.030402][ C0] ? verify_lock_unused+0x18/0x140 [ 74.030413][ C0] lock_acquire+0x2ce/0x490 [ 74.030423][ C0] ? htab_lock_bucket+0x17d/0x300 [ 74.030432][ C0] ? read_lock_is_recursive+0x10/0x10 [ 74.030444][ C0] _raw_spin_lock+0x2a/0x40 [ 74.030452][ C0] ? htab_lock_bucket+0x17d/0x300 [ 74.030460][ C0] htab_lock_bucket+0x17d/0x300 [ 74.030469][ C0] ? htab_lru_map_delete_node+0x610/0x610 [ 74.030479][ C0] ? htab_map_hash+0x269/0x6d0 [ 74.030487][ C0] htab_lru_map_delete_elem+0x1ad/0x760 [ 74.030497][ C0] ? htab_lru_map_update_elem+0xe70/0xe70 [ 74.030507][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 74.030519][ C0] bpf_overflow_handler+0x525/0x7b0 [ 74.030529][ C0] ? bpf_overflow_handler+0xcb/0x7b0 [ 74.030537][ C0] ? perf_event_switch_output+0x680/0x680 [ 74.030546][ C0] ? __perf_event_account_interrupt+0x187/0x280 [ 74.030558][ C0] __perf_event_overflow+0x448/0x610 [ 74.030570][ C0] perf_swevent_event+0x4ad/0x530 [ 74.030582][ C0] perf_bp_event+0x23a/0x2a0 [ 74.030594][ C0] ? perf_event_free_bpf_prog+0x110/0x110 [ 74.030610][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 74.030619][ C0] ? read_lock_is_recursive+0x10/0x10 [ 74.030630][ C0] hw_breakpoint_exceptions_notify+0x152/0x470 [ 74.030643][ C0] atomic_notifier_call_chain+0x17a/0x2b0 [ 74.030651][ C0] ? atomic_notifier_call_chain+0x2c/0x2b0 [ 74.030660][ C0] notify_die+0x12d/0x180 [ 74.030669][ C0] ? srcu_init_notifier_head+0x90/0x90 [ 74.030679][ C0] notify_debug+0x20/0x30 [ 74.030688][ C0] exc_debug+0xd9/0x130 [ 74.030700][ C0] asm_exc_debug+0x1a/0x40 [ 74.030708][ C0] RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 [ 74.030722][ 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 [ 74.030732][ C0] RSP: 0018:ffffc90003577d48 EFLAGS: 00050202 [ 74.030739][ C0] RAX: ffffffff84072b01 RBX: 0000000000000050 RCX: 000000000000000f [ 74.030745][ C0] RDX: 0000000000000050 RSI: 0000200000000301 RDI: ffffc90003577e01 [ 74.030751][ C0] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520006aefc2 [ 74.030756][ C0] R10: fffff520006aefc2 R11: 1ffff920006aefb8 R12: 00007fffffffefb0 [ 74.030761][ C0] R13: 0000000000000050 R14: ffffc90003577dc0 R15: 00002000000002c0 [ 74.030768][ C0] ? _copy_from_user+0xa1/0x170 [ 74.030780][ C0] [ 74.030782][ C0] [ 74.030790][ C0] _copy_from_user+0xf4/0x170 [ 74.030799][ C0] __sys_bpf+0x265/0x6d0 [ 74.030809][ C0] ? bpf_link_show_fdinfo+0x340/0x340 [ 74.030822][ C0] ? lock_chain_count+0x20/0x20 [ 74.030833][ C0] __x64_sys_bpf+0x78/0x90 [ 74.030842][ C0] do_syscall_64+0x4c/0xa0 [ 74.030853][ C0] ? clear_bhb_loop+0x60/0xb0 [ 74.030862][ C0] ? clear_bhb_loop+0x60/0xb0 [ 74.030871][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 74.030880][ C0] RIP: 0033:0x7f834878f749 [ 74.030886][ 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 [ 74.030892][ C0] RSP: 002b:00007f83495e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.030900][ C0] RAX: ffffffffffffffda RBX: 00007f83489e5fa0 RCX: 00007f834878f749 [ 74.030906][ C0] RDX: 0000000000000050 RSI: 00002000000002c0 RDI: 000000000000000a [ 74.030911][ C0] RBP: 00007f8348813f91 R08: 0000000000000000 R09: 0000000000000000 [ 74.030915][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.030920][ C0] R13: 00007f83489e6038 R14: 00007f83489e5fa0 R15: 00007ffd017833a8 [ 74.030928][ C0]