no interfaces have a carrier [ 41.813640][ T5289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.831829][ T5289] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.141' (ED25519) to the list of known hosts. 2026/05/15 11:06:05 parsed 1 programs syzkaller login: [ 70.293066][ T5636] cgroup: Unknown subsys name 'net' [ 70.427621][ T5636] cgroup: Unknown subsys name 'cpuset' [ 70.436349][ T5636] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.186636][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.193048][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.768137][ T5636] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 74.451465][ T5649] 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. [ 75.567613][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.576853][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.585411][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.593828][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.605682][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.879215][ T185] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.888466][ T185] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 75.931293][ T185] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 75.939565][ T185] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.699455][ T5716] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.707219][ T5716] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.714392][ T5716] bridge_slave_0: entered allmulticast mode [ 77.721238][ T5716] bridge_slave_0: entered promiscuous mode [ 77.732165][ T5716] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.739409][ T5716] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.746585][ T5716] bridge_slave_1: entered allmulticast mode [ 77.753490][ T5716] bridge_slave_1: entered promiscuous mode [ 77.778459][ T5716] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.789354][ T5716] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.814503][ T5716] team0: Port device team_slave_0 added [ 77.821653][ T5716] team0: Port device team_slave_1 added [ 77.842280][ T5716] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.849264][ T5716] 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. [ 77.875189][ T5716] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.887470][ T5716] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.894435][ T5716] 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. [ 77.920477][ T5716] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.959259][ T5716] hsr_slave_0: entered promiscuous mode [ 77.965797][ T5716] hsr_slave_1: entered promiscuous mode [ 78.087034][ T5716] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.099253][ T5716] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.108536][ T5716] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.117625][ T5716] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.125899][ T5716] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.136244][ T5716] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.143867][ T5716] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.155803][ T5716] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.225345][ T5716] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.245096][ T5716] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.256565][ T76] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.264208][ T76] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.280646][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.287739][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.559729][ T5716] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.600492][ T5716] veth0_vlan: entered promiscuous mode [ 78.611552][ T5716] veth1_vlan: entered promiscuous mode [ 78.640940][ T5716] veth0_macvtap: entered promiscuous mode [ 78.650506][ T5716] veth1_macvtap: entered promiscuous mode [ 78.669447][ T5716] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.682594][ T5716] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.697719][ T48] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.713631][ T48] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.722776][ T48] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.731935][ T48] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.840457][ T76] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.933431][ T76] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.993542][ T76] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.071873][ T76] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/15 11:06:16 executed programs: 0 [ 79.288183][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 79.296938][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 79.305446][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 79.313438][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 79.322339][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 79.677646][ T5762] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.684955][ T5762] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.692092][ T5762] bridge_slave_0: entered allmulticast mode [ 79.699444][ T5762] bridge_slave_0: entered promiscuous mode [ 79.707728][ T5762] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.714920][ T5762] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.722059][ T5762] bridge_slave_1: entered allmulticast mode [ 79.729351][ T5762] bridge_slave_1: entered promiscuous mode [ 79.760750][ T5762] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.773036][ T5762] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.801380][ T5762] team0: Port device team_slave_0 added [ 79.809009][ T5762] team0: Port device team_slave_1 added [ 79.832958][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.839985][ T5762] 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. [ 79.865997][ T5762] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.878704][ T5762] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.886487][ T5762] 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. [ 79.912818][ T5762] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.955920][ T5762] hsr_slave_0: entered promiscuous mode [ 79.962136][ T5762] hsr_slave_1: entered promiscuous mode [ 79.968523][ T5762] debugfs: 'hsr0' already exists in 'hsr' [ 79.974431][ T5762] Cannot create hsr debugfs directory [ 81.344787][ T50] Bluetooth: hci0: command tx timeout [ 81.428608][ T9] cfg80211: failed to load regulatory.db [ 81.513869][ T76] bridge_slave_1: left allmulticast mode [ 81.521846][ T76] bridge_slave_1: left promiscuous mode [ 81.528478][ T76] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.548460][ T76] bridge_slave_0: left allmulticast mode [ 81.554448][ T76] bridge_slave_0: left promiscuous mode [ 81.560945][ T76] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.809125][ T76] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.820412][ T76] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.832966][ T76] bond0 (unregistering): Released all slaves [ 81.921525][ T5289] 8021q: adding VLAN 0 to HW filter on device eth1 [ 81.941833][ T76] hsr_slave_0: left promiscuous mode [ 81.947818][ T76] hsr_slave_1: left promiscuous mode [ 81.953563][ T76] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 81.962024][ T76] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 81.970009][ T76] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 81.977578][ T76] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 81.990160][ T76] veth1_macvtap: left promiscuous mode [ 81.996538][ T76] veth0_macvtap: left promiscuous mode [ 82.002055][ T76] veth1_vlan: left promiscuous mode [ 82.007740][ T76] veth0_vlan: left promiscuous mode [ 82.167072][ T76] team0 (unregistering): Port device team_slave_1 removed [ 82.181266][ T76] team0 (unregistering): Port device team_slave_0 removed [ 82.566866][ T5762] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.578674][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 82.587002][ T5762] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.607055][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 82.615849][ T5762] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.628082][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 82.642175][ T5762] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.652661][ T5762] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 82.849557][ T5762] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.900443][ T5762] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.922774][ T185] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.929940][ T185] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.951219][ T185] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.958411][ T185] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.410001][ T5762] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.424411][ T50] Bluetooth: hci0: command tx timeout [ 83.470685][ T5762] veth0_vlan: entered promiscuous mode [ 83.489808][ T5762] veth1_vlan: entered promiscuous mode [ 83.526756][ T5762] veth0_macvtap: entered promiscuous mode [ 83.539634][ T5762] veth1_macvtap: entered promiscuous mode [ 83.564843][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.580524][ T5762] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.600290][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.617635][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.642249][ T35] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.665112][ T35] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.707507][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.731177][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.762973][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.775900][ T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.815847][ T5852] [ 83.818216][ T5852] ============================= [ 83.823037][ T5852] WARNING: suspicious RCU usage [ 83.828549][ T5852] syzkaller #0 Not tainted [ 83.833177][ T5852] ----------------------------- [ 83.838153][ T5852] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 83.846707][ T5852] [ 83.846707][ T5852] other info that might help us debug this: [ 83.846707][ T5852] [ 83.857514][ T5852] [ 83.857514][ T5852] rcu_scheduler_active = 2, debug_locks = 1 [ 83.865655][ T5852] 1 lock held by syz.0.17/5852: [ 83.870513][ T5852] #0: ffffffff8e95cf98 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 83.881569][ T5852] [ 83.881569][ T5852] stack backtrace: [ 83.887545][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 83.887562][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 83.887578][ T5852] Call Trace: [ 83.887587][ T5852] [ 83.887593][ T5852] dump_stack_lvl+0xe8/0x150 [ 83.887614][ T5852] lockdep_rcu_suspicious+0x13f/0x1d0 [ 83.887635][ T5852] get_callchain_entry+0x2b6/0x3c0 [ 83.887656][ T5852] get_perf_callchain+0xd5/0x880 [ 83.887683][ T5852] ? __pfx_get_perf_callchain+0x10/0x10 [ 83.887700][ T5852] ? __lock_acquire+0x6b5/0x2cf0 [ 83.887723][ T5852] __bpf_get_stack+0x445/0xab0 [ 83.887747][ T5852] ? __pfx___bpf_get_stack+0x10/0x10 [ 83.887765][ T5852] ? __lock_acquire+0x6b5/0x2cf0 [ 83.887784][ T5852] bpf_get_stack+0x33/0x50 [ 83.887798][ T5852] ? bpf_prog_42db8cfdf50901c9+0x46/0x4e [ 83.887816][ T5852] bpf_get_stack_raw_tp+0x1a9/0x220 [ 83.887838][ T5852] bpf_prog_42db8cfdf50901c9+0x46/0x4e [ 83.887852][ T5852] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 83.887879][ T5852] bpf_prog_test_run_syscall+0x318/0x4c0 [ 83.887902][ T5852] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 83.887927][ T5852] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 83.887948][ T5852] bpf_prog_test_run+0x2c7/0x340 [ 83.887966][ T5852] __sys_bpf+0x643/0x950 [ 83.887989][ T5852] ? __pfx___sys_bpf+0x10/0x10 [ 83.888019][ T5852] ? __pfx___se_sys_futex+0x10/0x10 [ 83.888034][ T5852] ? rcu_is_watching+0x15/0xb0 [ 83.888051][ T5852] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.888064][ T5852] __x64_sys_bpf+0x7c/0x90 [ 83.888080][ T5852] do_syscall_64+0x15f/0xf80 [ 83.888095][ T5852] ? trace_irq_disable+0x3b/0x140 [ 83.888111][ T5852] ? clear_bhb_loop+0x40/0x90 [ 83.888126][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.888137][ T5852] RIP: 0033:0x7fbc7d79ce59 [ 83.888149][ T5852] 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 [ 83.888158][ T5852] RSP: 002b:00007ffd4eb070d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 83.888172][ T5852] RAX: ffffffffffffffda RBX: 00007fbc7da15fa0 RCX: 00007fbc7d79ce59 [ 83.888180][ T5852] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 83.888187][ T5852] RBP: 00007fbc7d832d6f R08: 0000000000000000 R09: 0000000000000000 [ 83.888194][ T5852] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 83.888200][ T5852] R13: 00007fbc7da15fac R14: 00007fbc7da15fa0 R15: 00007fbc7da15fa0 [ 83.888220][ T5852]