Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. 2026/05/02 11:26:03 parsed 1 programs [ 81.689417][ T5783] cgroup: Unknown subsys name 'net' [ 81.828986][ T5783] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 83.436483][ T5783] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 87.004610][ T5839] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.012773][ T5839] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.020413][ T5839] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.030114][ T5839] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.038206][ T5839] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.045779][ T5839] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 87.435373][ T1313] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.443405][ T1313] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.472786][ T3503] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 87.480622][ T3503] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 87.984274][ T5864] chnl_net:caif_netlink_parms(): no params data found [ 88.059005][ T5864] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.066557][ T5864] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.074401][ T5864] bridge_slave_0: entered allmulticast mode [ 88.081246][ T5864] bridge_slave_0: entered promiscuous mode [ 88.089909][ T5864] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.097399][ T5864] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.105358][ T5864] bridge_slave_1: entered allmulticast mode [ 88.112981][ T5864] bridge_slave_1: entered promiscuous mode [ 88.143044][ T5864] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.154799][ T5864] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.185050][ T5864] team0: Port device team_slave_0 added [ 88.193455][ T5864] team0: Port device team_slave_1 added [ 88.226305][ T5864] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.233345][ T5864] 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. [ 88.259283][ T5864] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.272172][ T5864] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.279137][ T5864] 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. [ 88.305066][ T5864] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.344903][ T5864] hsr_slave_0: entered promiscuous mode [ 88.351140][ T5864] hsr_slave_1: entered promiscuous mode [ 88.519729][ T5864] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 88.530614][ T5864] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 88.540041][ T5864] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 88.549201][ T5864] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 88.572464][ T5864] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.579686][ T5864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.587524][ T5864] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.594662][ T5864] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.668636][ T5864] 8021q: adding VLAN 0 to HW filter on device bond0 [ 88.687129][ T5864] 8021q: adding VLAN 0 to HW filter on device team0 [ 88.696928][ T3503] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.705870][ T3503] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.725602][ T4244] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.732750][ T4244] bridge0: port 1(bridge_slave_0) entered forwarding state [ 88.758083][ T4244] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.765212][ T4244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 88.971611][ T5864] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 89.020523][ T5864] veth0_vlan: entered promiscuous mode [ 89.052245][ T5864] veth1_vlan: entered promiscuous mode [ 89.085554][ T5864] veth0_macvtap: entered promiscuous mode [ 89.109680][ T5864] veth1_macvtap: entered promiscuous mode [ 89.127160][ T5864] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 89.143123][ T5864] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 89.170129][ T5864] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.179609][ T5864] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.188544][ T5864] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.197478][ T5864] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 89.653632][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/05/02 11:26:13 executed programs: 0 [ 90.152736][ T5839] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.160336][ T5839] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.169956][ T5839] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.178276][ T5839] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.186300][ T5839] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.194171][ T5839] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 90.327619][ T5888] chnl_net:caif_netlink_parms(): no params data found [ 90.386962][ T5888] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.394242][ T5888] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.401340][ T5888] bridge_slave_0: entered allmulticast mode [ 90.408525][ T5888] bridge_slave_0: entered promiscuous mode [ 90.418791][ T5888] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.426342][ T5888] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.434045][ T5888] bridge_slave_1: entered allmulticast mode [ 90.440788][ T5888] bridge_slave_1: entered promiscuous mode [ 90.469636][ T5888] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.482189][ T5888] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.509315][ T5888] team0: Port device team_slave_0 added [ 90.518304][ T5888] team0: Port device team_slave_1 added [ 90.540254][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.547282][ T5888] 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. [ 90.573672][ T5888] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.590446][ T5888] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.597634][ T5888] 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. [ 90.624213][ T5888] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.667268][ T5888] hsr_slave_0: entered promiscuous mode [ 90.673937][ T5888] hsr_slave_1: entered promiscuous mode [ 90.680030][ T5888] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 90.688270][ T5888] Cannot create hsr debugfs directory [ 91.753308][ T9] cfg80211: failed to load regulatory.db [ 92.032701][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.223437][ T5839] Bluetooth: hci0: command tx timeout [ 94.261553][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.302541][ T5839] Bluetooth: hci0: command tx timeout [ 94.324898][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.096139][ T59] hsr_slave_0: left promiscuous mode [ 95.102453][ T59] hsr_slave_1: left promiscuous mode [ 95.108598][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 95.116847][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 95.132813][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 95.158748][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.171020][ T59] bridge_slave_1: left allmulticast mode [ 95.183846][ T59] bridge_slave_1: left promiscuous mode [ 95.190181][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.204087][ T59] bridge_slave_0: left allmulticast mode [ 95.209762][ T59] bridge_slave_0: left promiscuous mode [ 95.215786][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.244332][ T59] veth1_macvtap: left promiscuous mode [ 95.250189][ T59] veth0_macvtap: left promiscuous mode [ 95.256473][ T59] veth1_vlan: left promiscuous mode [ 95.262074][ T59] veth0_vlan: left promiscuous mode [ 95.643256][ T59] team0 (unregistering): Port device team_slave_1 removed [ 95.670771][ T59] team0 (unregistering): Port device team_slave_0 removed [ 95.699327][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 95.730398][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 95.926709][ T59] bond0 (unregistering): Released all slaves [ 96.042826][ T5888] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.052835][ T5888] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.062678][ T5888] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.082978][ T5888] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.162549][ T5888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.188809][ T5888] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.204411][ T1313] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.211596][ T1313] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.226744][ T1313] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.233909][ T1313] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.381676][ T5839] Bluetooth: hci0: command tx timeout [ 96.438967][ T5888] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.480792][ T5888] veth0_vlan: entered promiscuous mode [ 96.492570][ T5888] veth1_vlan: entered promiscuous mode [ 96.517208][ T5888] veth0_macvtap: entered promiscuous mode [ 96.535741][ T5888] veth1_macvtap: entered promiscuous mode [ 96.552044][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.568309][ T5888] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.585931][ T5888] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.595739][ T5888] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.605716][ T5888] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.615800][ T5888] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.677018][ T3503] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.689658][ T3503] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.725234][ T1313] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 96.735852][ T1313] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 96.799976][ T5927] [ 96.803005][ T5927] ============================= [ 96.807869][ T5927] WARNING: suspicious RCU usage [ 96.813095][ T5927] syzkaller #0 Not tainted [ 96.817540][ T5927] ----------------------------- [ 96.822927][ T5927] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 96.831900][ T5927] [ 96.831900][ T5927] other info that might help us debug this: [ 96.831900][ T5927] [ 96.842454][ T5927] [ 96.842454][ T5927] rcu_scheduler_active = 2, debug_locks = 1 [ 96.850543][ T5927] 1 lock held by syz.0.17/5927: [ 96.855693][ T5927] #0: ffffffff8d1322c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 96.866290][ T5927] [ 96.866290][ T5927] stack backtrace: [ 96.872515][ T5927] CPU: 1 PID: 5927 Comm: syz.0.17 Not tainted syzkaller #0 [ 96.879758][ T5927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 96.889855][ T5927] Call Trace: [ 96.893179][ T5927] [ 96.896130][ T5927] dump_stack_lvl+0x18c/0x250 [ 96.900839][ T5927] ? show_regs_print_info+0x20/0x20 [ 96.906065][ T5927] ? load_image+0x420/0x420 [ 96.910590][ T5927] lockdep_rcu_suspicious+0x1e1/0x300 [ 96.916000][ T5927] get_callchain_entry+0x2a9/0x3c0 [ 96.921148][ T5927] get_perf_callchain+0xc6/0x510 [ 96.926107][ T5927] ? put_callchain_entry+0xb0/0xb0 [ 96.931246][ T5927] ? __lock_acquire+0x7d40/0x7d40 [ 96.936287][ T5927] ? rcu_read_lock_sched_held+0x8a/0x110 [ 96.941946][ T5927] ? __bpf_trace_rcu_stall_warning+0x160/0x160 [ 96.948114][ T5927] __bpf_get_stack+0x2e4/0x540 [ 96.952904][ T5927] ? stack_map_get_build_id_offset+0x720/0x720 [ 96.959092][ T5927] ? __cant_sleep+0x220/0x220 [ 96.963787][ T5927] ? bpf_prog_14d9fb3786f83342+0x45/0x49 [ 96.969441][ T5927] bpf_get_stack_raw_tp+0x1a9/0x210 [ 96.974695][ T5927] bpf_prog_14d9fb3786f83342+0x45/0x49 [ 96.980220][ T5927] bpf_prog_run_pin_on_cpu+0x64/0x150 [ 96.985626][ T5927] bpf_prog_test_run_syscall+0x317/0x4a0 [ 96.991279][ T5927] ? sock_gen_cookie+0x60/0x60 [ 96.996102][ T5927] ? __fdget+0x14a/0x210 [ 97.000368][ T5927] ? sock_gen_cookie+0x60/0x60 [ 97.005153][ T5927] bpf_prog_test_run+0x321/0x390 [ 97.010114][ T5927] __sys_bpf+0x49d/0x890 [ 97.014378][ T5927] ? bpf_link_show_fdinfo+0x390/0x390 [ 97.019780][ T5927] ? lock_chain_count+0x20/0x20 [ 97.024674][ T5927] __x64_sys_bpf+0x7c/0x90 [ 97.029108][ T5927] do_syscall_64+0x55/0xa0 [ 97.033539][ T5927] ? clear_bhb_loop+0x40/0x90 [ 97.038272][ T5927] ? clear_bhb_loop+0x40/0x90 [ 97.042974][ T5927] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 97.048887][ T5927] RIP: 0033:0x7f8c63b9cdd9 [ 97.053318][ T5927] 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 [ 97.072936][ T5927] RSP: 002b:00007fffef333b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 97.081358][ T5927] RAX: ffffffffffffffda RBX: 00007f8c63e15fa0 RCX: 00007f8c63b9cdd9 [ 97.089349][ T5927] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a [ 97.097329][ T5927] RBP: 00007f8c63c32d69 R08: 0000000000000000 R09: 0000000000000000 [ 97.105366][ T5927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 97.113354][ T5927] R13: 00007f8c63e15fac R14: 00007f8c63e15fa0 R15: 00007f8c63e15fa0 [ 97.121369][ T5927]