Warning: Permanently added '10.128.0.252' (ED25519) to the list of known hosts. 2026/04/07 21:54:47 parsed 1 programs [ 73.411627][ T5824] cgroup: Unknown subsys name 'net' [ 73.518803][ T5824] cgroup: Unknown subsys name 'cpuset' [ 73.527250][ T5824] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 74.839082][ T5824] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 77.387940][ T5837] 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. [ 78.391188][ T5856] chnl_net:caif_netlink_parms(): no params data found [ 78.463877][ T5856] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.471568][ T5856] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.478887][ T5856] bridge_slave_0: entered allmulticast mode [ 78.486118][ T5856] bridge_slave_0: entered promiscuous mode [ 78.496769][ T5856] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.503942][ T5856] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.511201][ T5856] bridge_slave_1: entered allmulticast mode [ 78.518172][ T5856] bridge_slave_1: entered promiscuous mode [ 78.544841][ T5856] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.557178][ T5856] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.582104][ T5856] team0: Port device team_slave_0 added [ 78.589517][ T5856] team0: Port device team_slave_1 added [ 78.610941][ T5856] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.618097][ T5856] 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. [ 78.644039][ T5856] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.656597][ T5856] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.663537][ T5856] 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. [ 78.689450][ T5856] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.726909][ T5856] hsr_slave_0: entered promiscuous mode [ 78.733262][ T5856] hsr_slave_1: entered promiscuous mode [ 78.856153][ T5856] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.867858][ T5856] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.877683][ T5856] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.887955][ T5856] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.915406][ T5856] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.922695][ T5856] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.930632][ T5856] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.937735][ T5856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.985559][ T5856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.001720][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.010012][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.024586][ T5856] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.038539][ T66] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.045795][ T66] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.060384][ T3033] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.067776][ T3033] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.210306][ T5856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.249332][ T5856] veth0_vlan: entered promiscuous mode [ 79.259707][ T5856] veth1_vlan: entered promiscuous mode [ 79.283493][ T5856] veth0_macvtap: entered promiscuous mode [ 79.293681][ T5856] veth1_macvtap: entered promiscuous mode [ 79.310653][ T5856] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.323424][ T5856] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.339527][ T66] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.349806][ T66] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.359856][ T66] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.372402][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.501975][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.591881][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.613742][ T501] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.622179][ T501] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.645527][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.672952][ T66] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.680999][ T66] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.713681][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.801647][ T5145] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.810526][ T5145] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.818727][ T5145] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.828290][ T5145] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.836269][ T5145] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/04/07 21:54:57 executed programs: 0 [ 81.476611][ T5145] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.484648][ T5145] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.493581][ T5145] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.502301][ T5145] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.512272][ T5145] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.677424][ T5935] chnl_net:caif_netlink_parms(): no params data found [ 81.790702][ T5935] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.798056][ T5935] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.805241][ T5935] bridge_slave_0: entered allmulticast mode [ 81.813632][ T5935] bridge_slave_0: entered promiscuous mode [ 81.822703][ T5935] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.830504][ T5935] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.839266][ T5935] bridge_slave_1: entered allmulticast mode [ 81.847265][ T5935] bridge_slave_1: entered promiscuous mode [ 81.879097][ T5935] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.890416][ T5935] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.917746][ T5935] team0: Port device team_slave_0 added [ 81.925100][ T5935] team0: Port device team_slave_1 added [ 81.947006][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.953965][ T5935] 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. [ 81.980064][ T5935] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.992030][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.999511][ T5935] 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. [ 82.026129][ T5935] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.066397][ T5935] hsr_slave_0: entered promiscuous mode [ 82.072750][ T5935] hsr_slave_1: entered promiscuous mode [ 82.079212][ T5935] debugfs: 'hsr0' already exists in 'hsr' [ 82.084997][ T5935] Cannot create hsr debugfs directory [ 82.375520][ T12] bridge_slave_1: left allmulticast mode [ 82.381730][ T12] bridge_slave_1: left promiscuous mode [ 82.388308][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.399406][ T12] bridge_slave_0: left allmulticast mode [ 82.405051][ T12] bridge_slave_0: left promiscuous mode [ 82.412984][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.565427][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.577712][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.587610][ T12] bond0 (unregistering): Released all slaves [ 82.700305][ T12] hsr_slave_0: left promiscuous mode [ 82.716150][ T12] hsr_slave_1: left promiscuous mode [ 82.723963][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 82.731553][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 82.740383][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 82.749331][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 82.764092][ T12] veth1_macvtap: left promiscuous mode [ 82.769962][ T12] veth0_macvtap: left promiscuous mode [ 82.775663][ T12] veth1_vlan: left promiscuous mode [ 82.781081][ T12] veth0_vlan: left promiscuous mode [ 83.053403][ T12] team0 (unregistering): Port device team_slave_1 removed [ 83.083835][ T12] team0 (unregistering): Port device team_slave_0 removed [ 83.477642][ T5935] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.491698][ T5935] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.508570][ T5935] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.527003][ T5935] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.603572][ T5145] Bluetooth: hci0: command tx timeout [ 83.627767][ T5935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.651460][ T5935] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.668730][ T3033] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.675886][ T3033] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.030904][ T3033] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.038106][ T3033] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.571383][ T5935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.661584][ T5935] veth0_vlan: entered promiscuous mode [ 84.674320][ T5935] veth1_vlan: entered promiscuous mode [ 84.719803][ T5935] veth0_macvtap: entered promiscuous mode [ 84.736792][ T5935] veth1_macvtap: entered promiscuous mode [ 84.752882][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.766534][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.779988][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.790039][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.801280][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.811312][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.862920][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.877933][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.903932][ T501] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.912169][ T501] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.960868][ T5996] [ 84.963270][ T5996] ============================= [ 84.968632][ T5996] WARNING: suspicious RCU usage [ 84.973506][ T5996] syzkaller #0 Not tainted [ 84.978208][ T5996] ----------------------------- [ 84.983049][ T5996] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 84.992036][ T5996] [ 84.992036][ T5996] other info that might help us debug this: [ 84.992036][ T5996] [ 85.002798][ T5996] [ 85.002798][ T5996] rcu_scheduler_active = 2, debug_locks = 1 [ 85.011217][ T5996] 1 lock held by syz.0.17/5996: [ 85.016367][ T5996] #0: ffffffff8e75e7d8 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 85.027744][ T5996] [ 85.027744][ T5996] stack backtrace: [ 85.033658][ T5996] CPU: 1 UID: 0 PID: 5996 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 85.033673][ T5996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 85.033684][ T5996] Call Trace: [ 85.033722][ T5996] [ 85.033728][ T5996] dump_stack_lvl+0xe8/0x150 [ 85.033748][ T5996] lockdep_rcu_suspicious+0x13f/0x1d0 [ 85.033765][ T5996] get_callchain_entry+0x2b6/0x3c0 [ 85.033777][ T5996] get_perf_callchain+0xd5/0x880 [ 85.033789][ T5996] ? __pfx_get_perf_callchain+0x10/0x10 [ 85.033801][ T5996] ? __lock_acquire+0x6b5/0x2cf0 [ 85.033815][ T5996] __bpf_get_stack+0x445/0xab0 [ 85.033829][ T5996] ? __pfx___bpf_get_stack+0x10/0x10 [ 85.033837][ T5996] ? get_futex_key+0x8cd/0x1690 [ 85.033853][ T5996] bpf_get_stack+0x33/0x50 [ 85.033868][ T5996] ? bpf_prog_aa1f08ea8b241262+0x46/0x4e [ 85.033883][ T5996] bpf_get_stack_raw_tp+0x1a9/0x220 [ 85.033900][ T5996] bpf_prog_aa1f08ea8b241262+0x46/0x4e [ 85.033910][ T5996] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 85.033925][ T5996] bpf_prog_test_run_syscall+0x318/0x4c0 [ 85.033937][ T5996] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 85.033952][ T5996] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 85.033963][ T5996] bpf_prog_test_run+0x2c7/0x340 [ 85.033975][ T5996] __sys_bpf+0x643/0x950 [ 85.033985][ T5996] ? __pfx___sys_bpf+0x10/0x10 [ 85.034002][ T5996] ? __pfx___se_sys_futex+0x10/0x10 [ 85.034014][ T5996] ? rcu_is_watching+0x15/0xb0 [ 85.034032][ T5996] __x64_sys_bpf+0x7c/0x90 [ 85.034045][ T5996] do_syscall_64+0x14d/0xf80 [ 85.034059][ T5996] ? trace_irq_disable+0x3b/0x150 [ 85.034067][ T5996] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.034077][ T5996] ? clear_bhb_loop+0x40/0x90 [ 85.034089][ T5996] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.034099][ T5996] RIP: 0033:0x7fe4efb9c819 [ 85.034109][ T5996] 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 [ 85.034117][ T5996] RSP: 002b:00007fff81a640b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 85.034128][ T5996] RAX: ffffffffffffffda RBX: 00007fe4efe15fa0 RCX: 00007fe4efb9c819 [ 85.034135][ T5996] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a [ 85.034141][ T5996] RBP: 00007fe4efc32c91 R08: 0000000000000000 R09: 0000000000000000 [ 85.034147][ T5996] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.034152][ T5996] R13: 00007fe4efe15fac R14: 00007fe4efe15fa0 R15: 00007fe4efe15fa0 [ 85.034166][ T5996]