Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. 2026/02/09 08:37:22 parsed 1 programs [ 86.592372][ T5826] cgroup: Unknown subsys name 'net' [ 86.727583][ T5826] cgroup: Unknown subsys name 'cpuset' [ 86.735979][ T5826] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 88.468450][ T5826] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.398604][ T5843] 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. [ 91.925837][ T797] cfg80211: failed to load regulatory.db [ 93.098855][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.107117][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.126255][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.134755][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.144792][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.812923][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.826749][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.901585][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.910665][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.068781][ T5913] chnl_net:caif_netlink_parms(): no params data found [ 95.162738][ T5913] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.170811][ T5913] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.178064][ T5913] bridge_slave_0: entered allmulticast mode [ 95.185291][ T5913] bridge_slave_0: entered promiscuous mode [ 95.194740][ T5913] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.201924][ T5913] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.209157][ T5913] bridge_slave_1: entered allmulticast mode [ 95.216299][ T5913] bridge_slave_1: entered promiscuous mode [ 95.243227][ T5913] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.255358][ T5913] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.282313][ T5913] team0: Port device team_slave_0 added [ 95.289895][ T5913] team0: Port device team_slave_1 added [ 95.312707][ T5913] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.319741][ T5913] 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. [ 95.345794][ T5913] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.358367][ T5913] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.365460][ T5913] 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. [ 95.391913][ T5913] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.431538][ T5913] hsr_slave_0: entered promiscuous mode [ 95.437950][ T5913] hsr_slave_1: entered promiscuous mode [ 95.568965][ T5913] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.582312][ T5913] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.593509][ T5913] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.605112][ T5913] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.633649][ T5913] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.640858][ T5913] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.648675][ T5913] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.655790][ T5913] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.709385][ T5913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.726978][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.737594][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.752427][ T5913] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.765842][ T1330] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.772934][ T1330] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.788495][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.795694][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.961583][ T5913] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.003836][ T5913] veth0_vlan: entered promiscuous mode [ 96.016866][ T5913] veth1_vlan: entered promiscuous mode [ 96.042641][ T5913] veth0_macvtap: entered promiscuous mode [ 96.052573][ T5913] veth1_macvtap: entered promiscuous mode [ 96.072391][ T5913] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.088579][ T5913] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.104504][ T1330] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.113433][ T1330] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.123941][ T1330] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.137070][ T1330] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.314780][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.400642][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.477240][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/02/09 08:37:35 executed programs: 0 [ 96.578338][ T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.672575][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.680556][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.688361][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.698417][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.708215][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.846728][ T5939] chnl_net:caif_netlink_parms(): no params data found [ 96.918938][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.926324][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.933425][ T5939] bridge_slave_0: entered allmulticast mode [ 96.941501][ T5939] bridge_slave_0: entered promiscuous mode [ 96.954635][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.961772][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.969630][ T5939] bridge_slave_1: entered allmulticast mode [ 96.976796][ T5939] bridge_slave_1: entered promiscuous mode [ 97.005789][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.017248][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.052720][ T5939] team0: Port device team_slave_0 added [ 97.062340][ T5939] team0: Port device team_slave_1 added [ 97.089757][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.096978][ T5939] 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. [ 97.124414][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.137100][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.144291][ T5939] 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. [ 97.170963][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.223448][ T5939] hsr_slave_0: entered promiscuous mode [ 97.229891][ T5939] hsr_slave_1: entered promiscuous mode [ 97.236485][ T5939] debugfs: 'hsr0' already exists in 'hsr' [ 97.242279][ T5939] Cannot create hsr debugfs directory [ 98.784803][ T5144] Bluetooth: hci0: command tx timeout [ 99.307467][ T13] bridge_slave_1: left allmulticast mode [ 99.313223][ T13] bridge_slave_1: left promiscuous mode [ 99.321820][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.335901][ T13] bridge_slave_0: left allmulticast mode [ 99.341554][ T13] bridge_slave_0: left promiscuous mode [ 99.348852][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.690501][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.703294][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.714844][ T13] bond0 (unregistering): Released all slaves [ 99.821168][ T13] hsr_slave_0: left promiscuous mode [ 99.828298][ T13] hsr_slave_1: left promiscuous mode [ 99.834497][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.841893][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.850854][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.858512][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.874822][ T13] veth1_macvtap: left promiscuous mode [ 99.880406][ T13] veth0_macvtap: left promiscuous mode [ 99.886769][ T13] veth1_vlan: left promiscuous mode [ 99.892493][ T13] veth0_vlan: left promiscuous mode [ 100.200717][ T13] team0 (unregistering): Port device team_slave_1 removed [ 100.227278][ T13] team0 (unregistering): Port device team_slave_0 removed [ 100.661525][ T5939] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.685881][ T5939] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.699020][ T5939] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.712180][ T5939] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.868436][ T5144] Bluetooth: hci0: command tx timeout [ 100.935162][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.966768][ T5939] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.978422][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.985634][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.017188][ T1330] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.024373][ T1330] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.241022][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.279533][ T5939] veth0_vlan: entered promiscuous mode [ 101.290902][ T5939] veth1_vlan: entered promiscuous mode [ 101.317766][ T5939] veth0_macvtap: entered promiscuous mode [ 101.327994][ T5939] veth1_macvtap: entered promiscuous mode [ 101.343850][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.357572][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.371619][ T74] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.381860][ T74] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.393222][ T74] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.402776][ T74] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.456251][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.469821][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.495620][ T36] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.503681][ T36] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.558504][ T5986] [ 101.560926][ T5986] ============================= [ 101.566245][ T5986] WARNING: suspicious RCU usage [ 101.571113][ T5986] syzkaller #0 Not tainted [ 101.575988][ T5986] ----------------------------- [ 101.580823][ T5986] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 101.589924][ T5986] [ 101.589924][ T5986] other info that might help us debug this: [ 101.589924][ T5986] [ 101.600379][ T5986] [ 101.600379][ T5986] rcu_scheduler_active = 2, debug_locks = 1 [ 101.608785][ T5986] 1 lock held by syz.0.17/5986: [ 101.614091][ T5986] #0: ffffffff8e55a540 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x80 [ 101.624612][ T5986] [ 101.624612][ T5986] stack backtrace: [ 101.630523][ T5986] CPU: 1 UID: 0 PID: 5986 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 101.630539][ T5986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 101.630546][ T5986] Call Trace: [ 101.630550][ T5986] [ 101.630555][ T5986] dump_stack_lvl+0xe8/0x150 [ 101.630574][ T5986] lockdep_rcu_suspicious+0x13f/0x1d0 [ 101.630594][ T5986] get_callchain_entry+0x2b6/0x3c0 [ 101.630613][ T5986] get_perf_callchain+0xd5/0x880 [ 101.630632][ T5986] ? __pfx_get_perf_callchain+0x10/0x10 [ 101.630650][ T5986] ? __lock_acquire+0x6b5/0x2cf0 [ 101.630669][ T5986] __bpf_get_stack+0x445/0xab0 [ 101.630689][ T5986] ? __pfx___bpf_get_stack+0x10/0x10 [ 101.630708][ T5986] ? __lock_acquire+0x6b5/0x2cf0 [ 101.630725][ T5986] bpf_get_stack+0x33/0x50 [ 101.630748][ T5986] ? bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 101.630759][ T5986] bpf_get_stack_raw_tp+0x1a9/0x220 [ 101.630778][ T5986] bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 101.630789][ T5986] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 101.630806][ T5986] bpf_prog_test_run_syscall+0x318/0x4c0 [ 101.630820][ T5986] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 101.630835][ T5986] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 101.630848][ T5986] bpf_prog_test_run+0x2c7/0x340 [ 101.630862][ T5986] __sys_bpf+0x5cb/0x920 [ 101.630874][ T5986] ? __pfx___sys_bpf+0x10/0x10 [ 101.630894][ T5986] ? __pfx___se_sys_futex+0x10/0x10 [ 101.630910][ T5986] ? rcu_is_watching+0x15/0xb0 [ 101.630925][ T5986] __x64_sys_bpf+0x7c/0x90 [ 101.630942][ T5986] do_syscall_64+0xe2/0xf80 [ 101.630954][ T5986] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.630964][ T5986] ? trace_irq_disable+0x37/0x100 [ 101.630974][ T5986] ? clear_bhb_loop+0x60/0xb0 [ 101.630988][ T5986] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.630998][ T5986] RIP: 0033:0x7f0f5759aeb9 [ 101.631009][ T5986] 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 [ 101.631019][ T5986] RSP: 002b:00007ffdb335c468 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 101.631031][ T5986] RAX: ffffffffffffffda RBX: 00007f0f57815fa0 RCX: 00007f0f5759aeb9 [ 101.631039][ T5986] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 101.631047][ T5986] RBP: 00007f0f57608c1f R08: 0000000000000000 R09: 0000000000000000 [ 101.631054][ T5986] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.631060][ T5986] R13: 00007f0f57815fac R14: 00007f0f57815fa0 R15: 00007f0f57815fa0 [ 101.631077][ T5986]