Warning: Permanently added '10.128.1.102' (ED25519) to the list of known hosts. 2026/05/04 10:25:34 parsed 1 programs [ 68.165839][ T4202] cgroup: Unknown subsys name 'net' [ 68.305780][ T4202] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 69.796019][ T4202] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 71.494429][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.501599][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 73.181841][ T4261] chnl_net:caif_netlink_parms(): no params data found [ 73.249055][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.257329][ T4261] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.265455][ T4261] device bridge_slave_0 entered promiscuous mode [ 73.274624][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.282420][ T4261] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.290841][ T4261] device bridge_slave_1 entered promiscuous mode [ 73.314067][ T4261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.325628][ T4261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.351456][ T4261] team0: Port device team_slave_0 added [ 73.359754][ T4261] team0: Port device team_slave_1 added [ 73.382234][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.389398][ T4261] 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. [ 73.416082][ T4261] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.429606][ T4261] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.437105][ T4261] 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. [ 73.465037][ T4261] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.495552][ T4261] device hsr_slave_0 entered promiscuous mode [ 73.503429][ T4261] device hsr_slave_1 entered promiscuous mode [ 73.736862][ T4261] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.752732][ T4261] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.762332][ T4261] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.772313][ T4261] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.793145][ T4261] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.800987][ T4261] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.809073][ T4261] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.816307][ T4261] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.856374][ T4261] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.870890][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.882777][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.891511][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.906375][ T4261] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.917165][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.925942][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.933253][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.951820][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.961722][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.968808][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.983499][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.992804][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.005327][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.017019][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.029316][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.040672][ T4261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.162218][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.170272][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.185003][ T4261] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.220004][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.228740][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.246526][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.255540][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.266543][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.274970][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.309186][ T4261] device veth0_vlan entered promiscuous mode [ 74.321856][ T4261] device veth1_vlan entered promiscuous mode [ 74.339493][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.348254][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.357628][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 74.367029][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.378020][ T4261] device veth0_macvtap entered promiscuous mode [ 74.404445][ T4261] device veth1_macvtap entered promiscuous mode [ 74.420447][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.428039][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.437175][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 74.445634][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.455968][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.469166][ T4261] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.476837][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.486455][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.516151][ T4261] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.525538][ T4261] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.535370][ T4261] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.545012][ T4261] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.191678][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.211462][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.235758][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 75.254945][ T144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.263242][ T144] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.271610][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/05/04 10:25:43 executed programs: 0 [ 75.918192][ T4309] chnl_net:caif_netlink_parms(): no params data found [ 75.985525][ T4309] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.994048][ T4309] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.003153][ T4309] device bridge_slave_0 entered promiscuous mode [ 76.012323][ T4309] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.020420][ T4309] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.028796][ T4309] device bridge_slave_1 entered promiscuous mode [ 76.060260][ T4309] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.072223][ T4309] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.108223][ T4309] team0: Port device team_slave_0 added [ 76.118011][ T4309] team0: Port device team_slave_1 added [ 76.140927][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.147926][ T4309] 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. [ 76.174999][ T4309] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.187791][ T4309] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.197714][ T4309] 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. [ 76.227975][ T4309] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.274777][ T4309] device hsr_slave_0 entered promiscuous mode [ 76.284065][ T4309] device hsr_slave_1 entered promiscuous mode [ 76.294644][ T4309] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.303350][ T4309] Cannot create hsr debugfs directory [ 76.389470][ T4309] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.820933][ T4322] Bluetooth: hci0: command 0x0409 tx timeout [ 79.356691][ T4309] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.564835][ T4309] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.618175][ T4309] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.692635][ T4309] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.702496][ T4309] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.711776][ T4309] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.723617][ T4309] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.774051][ T4309] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.786402][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.795080][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.817299][ T4309] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.827809][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.837789][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.847134][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.854342][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.890054][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 79.897598][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.907291][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.918147][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.927929][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.936713][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.945284][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.955184][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.965688][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.975809][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.985159][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.995096][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.004033][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.012891][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.022223][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.048150][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.057898][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.068714][ T4309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.165564][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.173713][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.186760][ T4309] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.218414][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.227694][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.258200][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.267198][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.278821][ T4309] device veth0_vlan entered promiscuous mode [ 80.286172][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.295317][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.322900][ T4309] device veth1_vlan entered promiscuous mode [ 80.344921][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.354152][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.363119][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.373650][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.396292][ T4309] device veth0_macvtap entered promiscuous mode [ 80.406365][ T4309] device veth1_macvtap entered promiscuous mode [ 80.438895][ T4309] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 80.451374][ T4309] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 80.464246][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.475342][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.483809][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.492877][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.502240][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.516404][ T4309] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 80.527754][ T4309] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 80.541822][ T4309] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.555045][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.567123][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.589012][ T4309] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.599960][ T4309] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.608913][ T4309] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.618984][ T4309] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.656464][ T9] device hsr_slave_0 left promiscuous mode [ 80.664657][ T9] device hsr_slave_1 left promiscuous mode [ 80.672606][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 80.680590][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 80.690187][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 80.697818][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 80.705923][ T9] device bridge_slave_1 left promiscuous mode [ 80.713812][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.727818][ T9] device bridge_slave_0 left promiscuous mode [ 80.736592][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.753971][ T9] device veth1_macvtap left promiscuous mode [ 80.761345][ T9] device veth0_macvtap left promiscuous mode [ 80.768039][ T9] device veth1_vlan left promiscuous mode [ 80.775842][ T9] device veth0_vlan left promiscuous mode [ 80.938188][ T9] team0 (unregistering): Port device team_slave_1 removed [ 80.954390][ T9] team0 (unregistering): Port device team_slave_0 removed [ 80.970215][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.986085][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.047161][ T9] bond0 (unregistering): Released all slaves [ 81.160853][ T3093] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.168815][ T3093] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.189213][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.219176][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.228554][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.236571][ T380] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 81.304729][ T4328] [ 81.307207][ T4328] ============================= [ 81.313621][ T4328] WARNING: suspicious RCU usage [ 81.318515][ T4328] syzkaller #0 Not tainted [ 81.322997][ T4328] ----------------------------- [ 81.327868][ T4328] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 81.338165][ T4328] [ 81.338165][ T4328] other info that might help us debug this: [ 81.338165][ T4328] [ 81.348946][ T4328] [ 81.348946][ T4328] rcu_scheduler_active = 2, debug_locks = 1 [ 81.357316][ T4328] 1 lock held by syz.0.17/4328: [ 81.362578][ T4328] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 81.373201][ T4328] [ 81.373201][ T4328] stack backtrace: [ 81.379299][ T4328] CPU: 1 PID: 4328 Comm: syz.0.17 Not tainted syzkaller #0 [ 81.386613][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 81.396696][ T4328] Call Trace: [ 81.399973][ T4328] [ 81.402899][ T4328] dump_stack_lvl+0x188/0x250 [ 81.407592][ T4328] ? load_image+0x400/0x400 [ 81.412417][ T4328] ? show_regs_print_info+0x20/0x20 [ 81.417900][ T4328] ? print_tainted+0x148/0x170 [ 81.422984][ T4328] ? lockdep_rcu_suspicious+0x110/0x180 [ 81.428629][ T4328] get_callchain_entry+0x2a5/0x3b0 [ 81.433842][ T4328] get_perf_callchain+0xab/0x460 [ 81.438888][ T4328] ? put_callchain_entry+0xb0/0xb0 [ 81.444082][ T4328] ? mark_lock+0x94/0x320 [ 81.448407][ T4328] ? verify_lock_unused+0x140/0x140 [ 81.453892][ T4328] ? __lock_acquire+0x13bc/0x7d10 [ 81.459277][ T4328] __bpf_get_stack+0x2db/0x530 [ 81.464072][ T4328] ? stack_map_get_build_id_offset+0x860/0x860 [ 81.470414][ T4328] ? __cant_sleep+0x220/0x220 [ 81.475212][ T4328] ? bpf_prog_14d9fb3786f83342+0x3d/0x728 [ 81.481029][ T4328] bpf_get_stack_raw_tp+0x189/0x1c0 [ 81.486410][ T4328] bpf_prog_14d9fb3786f83342+0x3d/0x728 [ 81.492054][ T4328] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 81.497817][ T4328] bpf_prog_test_run_syscall+0x35a/0x4f0 [ 81.503680][ T4328] ? sock_gen_cookie+0x60/0x60 [ 81.508626][ T4328] ? __fdget+0x150/0x210 [ 81.513045][ T4328] ? sock_gen_cookie+0x60/0x60 [ 81.517895][ T4328] bpf_prog_test_run+0x31e/0x390 [ 81.522846][ T4328] __sys_bpf+0x5a5/0x6f0 [ 81.527413][ T4328] ? bpf_link_show_fdinfo+0x380/0x380 [ 81.533140][ T4328] ? vtime_user_exit+0x2c8/0x3e0 [ 81.538142][ T4328] __x64_sys_bpf+0x78/0x90 [ 81.543005][ T4328] do_syscall_64+0x4c/0xa0 [ 81.547607][ T4328] ? clear_bhb_loop+0x30/0x80 [ 81.552386][ T4328] ? clear_bhb_loop+0x30/0x80 [ 81.557162][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.563050][ T4328] RIP: 0033:0x7f0919adedd9 [ 81.567471][ T4328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 81.587792][ T4328] RSP: 002b:00007ffd68f86838 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 81.596768][ T4328] RAX: ffffffffffffffda RBX: 00007f0919d57fa0 RCX: 00007f0919adedd9 [ 81.605189][ T4328] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a [ 81.613444][ T4328] RBP: 00007f0919b74d69 R08: 0000000000000000 R09: 0000000000000000 [ 81.621525][ T4328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 81.629737][ T4328] R13: 00007f0919d57fac R14: 00007f0919d57fa0 R15: 00007f0919d57fa0 [ 81.638141][ T4328] [ 81.649358][ T4328] [ 81.655700][ T4328] ============================= [ 81.661601][ T4328] WARNING: suspicious RCU usage [ 81.666880][ T4328] syzkaller #0 Not tainted [ 81.672137][ T4328] ----------------------------- [ 81.677165][ T4328] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage! [ 81.686585][ T4328] [ 81.686585][ T4328] other info that might help us debug this: [ 81.686585][ T4328] [ 81.697066][ T4328] [ 81.697066][ T4328] rcu_scheduler_active = 2, debug_locks = 1 [ 81.705263][ T4328] 1 lock held by syz.0.17/4328: [ 81.710200][ T4328] #0: ffffffff8c31eca0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 81.720150][ T4328] [ 81.720150][ T4328] stack backtrace: [ 81.726156][ T4328] CPU: 1 PID: 4328 Comm: syz.0.17 Not tainted syzkaller #0 [ 81.733778][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 81.743944][ T4328] Call Trace: [ 81.747231][ T4328] [ 81.750250][ T4328] dump_stack_lvl+0x188/0x250 [ 81.755022][ T4328] ? load_image+0x400/0x400 [ 81.759757][ T4328] ? show_regs_print_info+0x20/0x20 [ 81.765163][ T4328] ? lockdep_rcu_suspicious+0x110/0x180 [ 81.770890][ T4328] perf_callchain_kernel+0x5f1/0x720 [ 81.776361][ T4328] ? load_image+0x400/0x400 [ 81.781042][ T4328] ? show_regs_print_info+0x20/0x20 [ 81.786300][ T4328] ? print_tainted+0x148/0x170 [ 81.791190][ T4328] ? arch_perf_update_userpage+0x3c0/0x3c0 [ 81.797202][ T4328] ? get_callchain_entry+0x181/0x3b0 [ 81.802700][ T4328] get_perf_callchain+0x356/0x460 [ 81.807952][ T4328] ? put_callchain_entry+0xb0/0xb0 [ 81.813357][ T4328] ? mark_lock+0x94/0x320 [ 81.817704][ T4328] ? verify_lock_unused+0x140/0x140 [ 81.823292][ T4328] ? __lock_acquire+0x13bc/0x7d10 [ 81.828352][ T4328] __bpf_get_stack+0x2db/0x530 [ 81.833568][ T4328] ? stack_map_get_build_id_offset+0x860/0x860 [ 81.839913][ T4328] ? __cant_sleep+0x220/0x220 [ 81.844682][ T4328] ? bpf_prog_14d9fb3786f83342+0x3d/0x728 [ 81.850840][ T4328] bpf_get_stack_raw_tp+0x189/0x1c0 [ 81.856208][ T4328] bpf_prog_14d9fb3786f83342+0x3d/0x728 [ 81.862153][ T4328] bpf_prog_run_pin_on_cpu+0x63/0x140 [ 81.867710][ T4328] bpf_prog_test_run_syscall+0x35a/0x4f0 [ 81.874867][ T4328] ? sock_gen_cookie+0x60/0x60 [ 81.879732][ T4328] ? __fdget+0x150/0x210 [ 81.883982][ T4328] ? sock_gen_cookie+0x60/0x60 [ 81.888949][ T4328] bpf_prog_test_run+0x31e/0x390 [ 81.893995][ T4328] __sys_bpf+0x5a5/0x6f0 [ 81.898328][ T4328] ? bpf_link_show_fdinfo+0x380/0x380 [ 81.903711][ T4328] ? vtime_user_exit+0x2c8/0x3e0 [ 81.908657][ T4328] __x64_sys_bpf+0x78/0x90 [ 81.913167][ T4328] do_syscall_64+0x4c/0xa0 [ 81.917723][ T4328] ? clear_bhb_loop+0x30/0x80 [ 81.922592][ T4328] ? clear_bhb_loop+0x30/0x80 [ 81.927500][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 81.933602][ T4328] RIP: 0033:0x7f0919adedd9 [ 81.938360][ T4328] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 81.958337][ T4328] RSP: 002b:00007ffd68f86838 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 81.966773][ T4328] RAX: ffffffffffffffda RBX: 00007f0919d57fa0 RCX: 00007f0919adedd9 [ 81.975183][ T4328] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a [ 81.983786][ T4328] RBP: 00007f0919b74d69 R08: 0000000000000000 R09: 0000000000000000 [ 81.991901][ T4328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 82.000552][ T4328] R13: 00007f0919d57fac R14: 00007f0919d57fa0 R15: 00007f0919d57fa0 [ 82.008679][ T4328] [ 82.015327][ T1324] cfg80211: failed to load regulatory.db [ 82.027255][ T1324] Bluetooth: hci0: command 0x040f tx timeout