Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts. 2026/04/04 07:07:44 parsed 1 programs [ 91.278849][ T9] cfg80211: failed to load regulatory.db [ 92.656970][ T5823] cgroup: Unknown subsys name 'net' [ 92.784060][ T5823] cgroup: Unknown subsys name 'cpuset' [ 92.794167][ T5823] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.547661][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.460029][ T5835] 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. [ 98.463356][ T5862] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.471746][ T5862] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.479654][ T5862] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.488608][ T5862] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.496536][ T5862] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.546886][ T166] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.563979][ T166] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.605074][ T166] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 100.615015][ T166] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 100.983086][ T5894] chnl_net:caif_netlink_parms(): no params data found [ 101.134850][ T5894] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.143313][ T5894] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.150789][ T5894] bridge_slave_0: entered allmulticast mode [ 101.159014][ T5894] bridge_slave_0: entered promiscuous mode [ 101.169779][ T5894] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.177117][ T5894] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.184565][ T5894] bridge_slave_1: entered allmulticast mode [ 101.192413][ T5894] bridge_slave_1: entered promiscuous mode [ 101.230570][ T5894] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.243243][ T5894] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.281695][ T5894] team0: Port device team_slave_0 added [ 101.291016][ T5894] team0: Port device team_slave_1 added [ 101.321363][ T5894] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.328512][ T5894] 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. [ 101.354756][ T5894] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 101.368270][ T5894] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 101.375862][ T5894] 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. [ 101.402137][ T5894] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 101.454559][ T5894] hsr_slave_0: entered promiscuous mode [ 101.462012][ T5894] hsr_slave_1: entered promiscuous mode [ 101.651165][ T5894] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.665135][ T5894] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.675861][ T5894] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.686923][ T5894] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.779400][ T5894] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.801893][ T5894] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.815503][ T3540] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.822917][ T3540] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.841729][ T3540] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.848934][ T3540] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.080355][ T5894] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.123976][ T5894] veth0_vlan: entered promiscuous mode [ 102.140540][ T5894] veth1_vlan: entered promiscuous mode [ 102.172679][ T5894] veth0_macvtap: entered promiscuous mode [ 102.184016][ T5894] veth1_macvtap: entered promiscuous mode [ 102.203213][ T5894] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.220203][ T5894] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.237634][ T3540] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.248373][ T3540] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.264082][ T3540] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.273988][ T3540] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.449415][ T3540] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.580646][ T3540] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.665024][ T3540] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.750510][ T3540] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/04 07:07:59 executed programs: 0 [ 103.409664][ T5862] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.418197][ T5862] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.426966][ T5862] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.437739][ T5862] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.449877][ T5862] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 103.704876][ T5929] chnl_net:caif_netlink_parms(): no params data found [ 103.856087][ T5929] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.864901][ T5929] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.872604][ T5929] bridge_slave_0: entered allmulticast mode [ 103.880842][ T5929] bridge_slave_0: entered promiscuous mode [ 103.890456][ T5929] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.897674][ T5929] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.905184][ T5929] bridge_slave_1: entered allmulticast mode [ 103.913093][ T5929] bridge_slave_1: entered promiscuous mode [ 103.952265][ T5929] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.965031][ T5929] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 104.004096][ T5929] team0: Port device team_slave_0 added [ 104.012858][ T5929] team0: Port device team_slave_1 added [ 104.044708][ T5929] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 104.052775][ T5929] 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. [ 104.085893][ T5929] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 104.099355][ T5929] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 104.106424][ T5929] 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. [ 104.133032][ T5929] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 104.195826][ T5929] hsr_slave_0: entered promiscuous mode [ 104.203696][ T5929] hsr_slave_1: entered promiscuous mode [ 104.210402][ T5929] debugfs: 'hsr0' already exists in 'hsr' [ 104.216291][ T5929] Cannot create hsr debugfs directory [ 105.509406][ T5862] Bluetooth: hci0: command tx timeout [ 105.561480][ T3540] bridge_slave_1: left allmulticast mode [ 105.567312][ T3540] bridge_slave_1: left promiscuous mode [ 105.574903][ T3540] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.586659][ T3540] bridge_slave_0: left allmulticast mode [ 105.593233][ T3540] bridge_slave_0: left promiscuous mode [ 105.599469][ T3540] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.762647][ T3540] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 105.774156][ T3540] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 105.784422][ T3540] bond0 (unregistering): Released all slaves [ 105.895622][ T3540] hsr_slave_0: left promiscuous mode [ 105.901961][ T3540] hsr_slave_1: left promiscuous mode [ 105.908142][ T3540] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 105.916204][ T3540] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 105.925578][ T3540] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 105.935142][ T3540] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 105.951399][ T3540] veth1_macvtap: left promiscuous mode [ 105.957154][ T3540] veth0_macvtap: left promiscuous mode [ 105.963208][ T3540] veth1_vlan: left promiscuous mode [ 105.976487][ T3540] veth0_vlan: left promiscuous mode [ 106.320489][ T3540] team0 (unregistering): Port device team_slave_1 removed [ 106.343826][ T3540] team0 (unregistering): Port device team_slave_0 removed [ 106.704881][ T5929] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.725518][ T5929] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.737376][ T5929] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.759642][ T5929] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.899321][ T5929] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.922825][ T5929] 8021q: adding VLAN 0 to HW filter on device team0 [ 107.103683][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.110890][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.156503][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.163725][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.472727][ T5929] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.523852][ T5929] veth0_vlan: entered promiscuous mode [ 107.536023][ T5929] veth1_vlan: entered promiscuous mode [ 107.567096][ T5929] veth0_macvtap: entered promiscuous mode [ 107.580120][ T5929] veth1_macvtap: entered promiscuous mode [ 107.588711][ T5862] Bluetooth: hci0: command tx timeout [ 107.600168][ T5929] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.616170][ T5929] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.632477][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.644333][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.653640][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.667379][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.726383][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.736377][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.769694][ T166] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.777681][ T166] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.825935][ T5976] [ 107.828348][ T5976] ============================= [ 107.834413][ T5976] WARNING: suspicious RCU usage [ 107.840132][ T5976] syzkaller #0 Not tainted [ 107.844982][ T5976] ----------------------------- [ 107.849995][ T5976] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 107.859006][ T5976] [ 107.859006][ T5976] other info that might help us debug this: [ 107.859006][ T5976] [ 107.869475][ T5976] [ 107.869475][ T5976] rcu_scheduler_active = 2, debug_locks = 1 [ 107.877914][ T5976] 1 lock held by syz.0.17/5976: [ 107.882933][ T5976] #0: ffffffff8e75e7d8 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 107.894186][ T5976] [ 107.894186][ T5976] stack backtrace: [ 107.900398][ T5976] CPU: 0 UID: 0 PID: 5976 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 107.900422][ T5976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 107.900435][ T5976] Call Trace: [ 107.900444][ T5976] [ 107.900454][ T5976] dump_stack_lvl+0xe8/0x150 [ 107.900492][ T5976] lockdep_rcu_suspicious+0x13f/0x1d0 [ 107.900541][ T5976] get_callchain_entry+0x2b6/0x3c0 [ 107.900578][ T5976] get_perf_callchain+0xd5/0x880 [ 107.900607][ T5976] ? srso_alias_return_thunk+0x5/0xfbef5 [ 107.900774][ T5976] ? __pfx_get_perf_callchain+0x10/0x10 [ 107.900811][ T5976] ? srso_alias_return_thunk+0x5/0xfbef5 [ 107.900864][ T5976] ? srso_alias_return_thunk+0x5/0xfbef5 [ 107.900906][ T5976] ? __lock_acquire+0x6b5/0x2cf0 [ 107.900959][ T5976] __bpf_get_stack+0x445/0xab0 [ 107.901011][ T5976] ? __pfx___bpf_get_stack+0x10/0x10 [ 107.901044][ T5976] ? get_futex_key+0x8cd/0x1690 [ 107.901113][ T5976] bpf_get_stack+0x33/0x50 [ 107.901159][ T5976] ? bpf_prog_aa1f08ea8b241262+0x46/0x4e [ 107.901196][ T5976] bpf_get_stack_raw_tp+0x1a9/0x220 [ 107.901262][ T5976] bpf_prog_aa1f08ea8b241262+0x46/0x4e [ 107.901302][ T5976] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 107.901343][ T5976] ? srso_alias_return_thunk+0x5/0xfbef5 [ 107.901392][ T5976] bpf_prog_test_run_syscall+0x318/0x4c0 [ 107.901443][ T5976] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 107.901503][ T5976] ? srso_alias_return_thunk+0x5/0xfbef5 [ 107.901552][ T5976] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 107.901607][ T5976] bpf_prog_test_run+0x2c7/0x340 [ 107.901645][ T5976] __sys_bpf+0x643/0x950 [ 107.901678][ T5976] ? __pfx___sys_bpf+0x10/0x10 [ 107.901736][ T5976] ? __pfx___se_sys_futex+0x10/0x10 [ 107.901778][ T5976] ? rcu_is_watching+0x15/0xb0 [ 107.901837][ T5976] __x64_sys_bpf+0x7c/0x90 [ 107.901882][ T5976] do_syscall_64+0x14d/0xf80 [ 107.901917][ T5976] ? trace_irq_disable+0x3b/0x150 [ 107.901943][ T5976] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.901982][ T5976] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.902013][ T5976] RIP: 0033:0x7f2d5939c819 [ 107.902040][ T5976] 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 [ 107.902063][ T5976] RSP: 002b:00007ffd817b9338 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 107.902092][ T5976] RAX: ffffffffffffffda RBX: 00007f2d59615fa0 RCX: 00007f2d5939c819 [ 107.902115][ T5976] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 107.902134][ T5976] RBP: 00007f2d59432c91 R08: 0000000000000000 R09: 0000000000000000 [ 107.902153][ T5976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 107.902171][ T5976] R13: 00007f2d59615fac R14: 00007f2d59615fa0 R15: 00007f2d59615fa0 [ 107.902218][ T5976] 2026/04/04 07:08:04 executed programs: 9 [ 109.669308][ T5862] Bluetooth: hci0: command tx timeout [ 111.749061][ T5862] Bluetooth: hci0: command tx timeout 2026/04/04 07:08:09 executed programs: 237