Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts. 2026/04/06 10:25:31 parsed 1 programs [ 81.724311][ T5826] cgroup: Unknown subsys name 'net' [ 81.853645][ T5826] cgroup: Unknown subsys name 'cpuset' [ 81.862965][ T5826] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 83.529953][ T5826] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 86.487490][ T5836] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 86.870122][ T1046] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.878264][ T1046] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 86.904467][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 86.912731][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 88.614551][ T5884] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.623118][ T5884] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.634837][ T5884] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.650623][ T5884] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.661657][ T5884] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.553213][ T5900] chnl_net:caif_netlink_parms(): no params data found [ 89.632529][ T5900] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.640048][ T5900] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.647215][ T5900] bridge_slave_0: entered allmulticast mode [ 89.655607][ T5900] bridge_slave_0: entered promiscuous mode [ 89.664840][ T5900] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.672130][ T5900] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.679266][ T5900] bridge_slave_1: entered allmulticast mode [ 89.686866][ T5900] bridge_slave_1: entered promiscuous mode [ 89.717951][ T5900] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.729498][ T5900] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.757727][ T5900] team0: Port device team_slave_0 added [ 89.765362][ T5900] team0: Port device team_slave_1 added [ 89.788916][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.796047][ T5900] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 89.822331][ T5900] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.835236][ T5900] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.842819][ T5900] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 89.869296][ T5900] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.912830][ T5900] hsr_slave_0: entered promiscuous mode [ 89.919337][ T5900] hsr_slave_1: entered promiscuous mode [ 90.052504][ T5900] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.065197][ T5900] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.076656][ T5900] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.086732][ T5900] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.115368][ T5900] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.122713][ T5900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.130511][ T5900] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.137605][ T5900] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.189533][ T5900] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.207287][ T1162] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.216230][ T1162] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.233654][ T5900] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.246509][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.253749][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.267981][ T1162] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.275156][ T1162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.441394][ T5900] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.486866][ T5900] veth0_vlan: entered promiscuous mode [ 90.497980][ T5900] veth1_vlan: entered promiscuous mode [ 90.525474][ T5900] veth0_macvtap: entered promiscuous mode [ 90.535019][ T5900] veth1_macvtap: entered promiscuous mode [ 90.553620][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.568101][ T5900] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.585023][ T1046] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.595093][ T1046] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.605865][ T1046] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.618462][ T1046] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.749077][ T1046] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.844852][ T1046] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.901942][ T1046] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.996750][ T1046] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/06 10:25:43 executed programs: 0 [ 91.674042][ T5144] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.682084][ T5144] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.689779][ T5144] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.699079][ T5144] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.707268][ T5144] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.852677][ T5936] chnl_net:caif_netlink_parms(): no params data found [ 91.928600][ T5936] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.935871][ T5936] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.943324][ T5936] bridge_slave_0: entered allmulticast mode [ 91.950570][ T5936] bridge_slave_0: entered promiscuous mode [ 91.959629][ T5936] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.967091][ T5936] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.974810][ T5936] bridge_slave_1: entered allmulticast mode [ 91.982022][ T5936] bridge_slave_1: entered promiscuous mode [ 92.012285][ T5936] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.023987][ T5936] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.056012][ T29] cfg80211: failed to load regulatory.db [ 92.056594][ T5936] team0: Port device team_slave_0 added [ 92.073456][ T5936] team0: Port device team_slave_1 added [ 92.104694][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.111718][ T5936] 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 1532 would solve the problem. [ 92.138618][ T5936] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.152080][ T5936] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.159044][ T5936] 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 1532 would solve the problem. [ 92.185956][ T5936] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.231923][ T5936] hsr_slave_0: entered promiscuous mode [ 92.238757][ T5936] hsr_slave_1: entered promiscuous mode [ 92.245443][ T5936] debugfs: 'hsr0' already exists in 'hsr' [ 92.251469][ T5936] Cannot create hsr debugfs directory [ 93.701596][ T1046] bridge_slave_1: left allmulticast mode [ 93.707420][ T1046] bridge_slave_1: left promiscuous mode [ 93.718488][ T1046] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.729680][ T1046] bridge_slave_0: left allmulticast mode [ 93.737112][ T5884] Bluetooth: hci0: command tx timeout [ 93.743123][ T1046] bridge_slave_0: left promiscuous mode [ 93.748936][ T1046] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.882655][ T1046] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 93.893676][ T1046] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 93.903789][ T1046] bond0 (unregistering): Released all slaves [ 94.016520][ T1046] hsr_slave_0: left promiscuous mode [ 94.022777][ T1046] hsr_slave_1: left promiscuous mode [ 94.029033][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 94.038151][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 94.049629][ T1046] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 94.059026][ T1046] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 94.074768][ T1046] veth1_macvtap: left promiscuous mode [ 94.080741][ T1046] veth0_macvtap: left promiscuous mode [ 94.086443][ T1046] veth1_vlan: left promiscuous mode [ 94.092879][ T1046] veth0_vlan: left promiscuous mode [ 94.410684][ T1046] team0 (unregistering): Port device team_slave_1 removed [ 94.432744][ T1046] team0 (unregistering): Port device team_slave_0 removed [ 94.904373][ T5936] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.916801][ T5936] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.940169][ T5936] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.957616][ T5936] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.202848][ T5936] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.255055][ T5936] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.268733][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.276027][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.324845][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.332031][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.627079][ T5936] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.701328][ T5936] veth0_vlan: entered promiscuous mode [ 95.716960][ T5936] veth1_vlan: entered promiscuous mode [ 95.758541][ T5936] veth0_macvtap: entered promiscuous mode [ 95.769887][ T5936] veth1_macvtap: entered promiscuous mode [ 95.796966][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.820571][ T5884] Bluetooth: hci0: command tx timeout [ 95.822101][ T5936] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.847977][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.875932][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.897174][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.921485][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.969257][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.982547][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.030382][ T167] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.038266][ T167] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.110485][ T6002] [ 96.112982][ T6002] ============================= [ 96.117855][ T6002] WARNING: suspicious RCU usage [ 96.123180][ T6002] syzkaller #0 Not tainted [ 96.127943][ T6002] ----------------------------- [ 96.133526][ T6002] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 96.142373][ T6002] [ 96.142373][ T6002] other info that might help us debug this: [ 96.142373][ T6002] [ 96.153067][ T6002] [ 96.153067][ T6002] rcu_scheduler_active = 2, debug_locks = 1 [ 96.161545][ T6002] 1 lock held by syz.0.17/6002: [ 96.166521][ T6002] #0: ffffffff8e75e7d8 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 96.177669][ T6002] [ 96.177669][ T6002] stack backtrace: [ 96.183711][ T6002] CPU: 0 UID: 0 PID: 6002 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 96.183737][ T6002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 96.183749][ T6002] Call Trace: [ 96.183756][ T6002] [ 96.183764][ T6002] dump_stack_lvl+0xe8/0x150 [ 96.183797][ T6002] lockdep_rcu_suspicious+0x13f/0x1d0 [ 96.183830][ T6002] get_callchain_entry+0x2b6/0x3c0 [ 96.183853][ T6002] get_perf_callchain+0xd5/0x880 [ 96.183879][ T6002] ? __pfx_get_perf_callchain+0x10/0x10 [ 96.183904][ T6002] ? __lock_acquire+0x6b5/0x2cf0 [ 96.183932][ T6002] __bpf_get_stack+0x445/0xab0 [ 96.183961][ T6002] ? __pfx___bpf_get_stack+0x10/0x10 [ 96.183977][ T6002] ? get_futex_key+0x8cd/0x1690 [ 96.184009][ T6002] bpf_get_stack+0x33/0x50 [ 96.184035][ T6002] ? bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 96.184054][ T6002] bpf_get_stack_raw_tp+0x1a9/0x220 [ 96.184086][ T6002] bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 96.184104][ T6002] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 96.184133][ T6002] bpf_prog_test_run_syscall+0x318/0x4c0 [ 96.184164][ T6002] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 96.184195][ T6002] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 96.184217][ T6002] bpf_prog_test_run+0x2c7/0x340 [ 96.184240][ T6002] __sys_bpf+0x643/0x950 [ 96.184262][ T6002] ? __pfx___sys_bpf+0x10/0x10 [ 96.184298][ T6002] ? __pfx___se_sys_futex+0x10/0x10 [ 96.184320][ T6002] ? rcu_is_watching+0x15/0xb0 [ 96.184356][ T6002] __x64_sys_bpf+0x7c/0x90 [ 96.184383][ T6002] do_syscall_64+0x14d/0xf80 [ 96.184407][ T6002] ? trace_irq_disable+0x3b/0x150 [ 96.184422][ T6002] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.184441][ T6002] ? clear_bhb_loop+0x40/0x90 [ 96.184464][ T6002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.184482][ T6002] RIP: 0033:0x7f74d699c819 [ 96.184501][ T6002] 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 [ 96.184516][ T6002] RSP: 002b:00007ffcdaf1a538 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 96.184537][ T6002] RAX: ffffffffffffffda RBX: 00007f74d6c15fa0 RCX: 00007f74d699c819 [ 96.184550][ T6002] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 96.184562][ T6002] RBP: 00007f74d6a32c91 R08: 0000000000000000 R09: 0000000000000000 [ 96.184573][ T6002] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 96.184584][ T6002] R13: 00007f74d6c15fac R14: 00007f74d6c15fa0 R15: 00007f74d6c15fa0 [ 96.184615][ T6002]