Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts. 2026/02/28 09:44:27 parsed 1 programs [ 87.653506][ T5823] cgroup: Unknown subsys name 'net' [ 87.763419][ T5823] cgroup: Unknown subsys name 'cpuset' [ 87.773125][ T5823] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 89.426790][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.000880][ T10] cfg80211: failed to load regulatory.db [ 92.450158][ T5839] 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. [ 94.000608][ T63] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.009181][ T63] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.056722][ T106] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.064967][ T106] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.345478][ T5892] chnl_net:caif_netlink_parms(): no params data found [ 95.422617][ T5892] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.430454][ T5892] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.437647][ T5892] bridge_slave_0: entered allmulticast mode [ 95.445250][ T5892] bridge_slave_0: entered promiscuous mode [ 95.454472][ T5892] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.461825][ T5892] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.469062][ T5892] bridge_slave_1: entered allmulticast mode [ 95.476316][ T5892] bridge_slave_1: entered promiscuous mode [ 95.505699][ T5892] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.517940][ T5892] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.548641][ T5892] team0: Port device team_slave_0 added [ 95.556632][ T5892] team0: Port device team_slave_1 added [ 95.582659][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.589660][ T5892] 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. [ 95.615606][ T5892] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.628630][ T5892] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.635666][ T5892] 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. [ 95.661695][ T5892] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.705452][ T5892] hsr_slave_0: entered promiscuous mode [ 95.712033][ T5892] hsr_slave_1: entered promiscuous mode [ 95.869652][ T5892] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 95.883285][ T5892] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 95.893162][ T5892] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 95.907436][ T5892] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.990421][ T5892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.014966][ T5892] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.027304][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.034644][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.051564][ T106] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.058879][ T106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.244059][ T5892] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.287652][ T5892] veth0_vlan: entered promiscuous mode [ 96.302330][ T5892] veth1_vlan: entered promiscuous mode [ 96.332579][ T5892] veth0_macvtap: entered promiscuous mode [ 96.343172][ T5892] veth1_macvtap: entered promiscuous mode [ 96.362284][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.377394][ T5892] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.393347][ T49] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.405159][ T49] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.415303][ T49] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.428191][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.571274][ T106] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.671829][ T106] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.760495][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.769444][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.780286][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.789136][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.797559][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.799109][ T106] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 96.945196][ T106] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/02/28 09:44:41 executed programs: 0 [ 97.733951][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.742849][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.752610][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.766274][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.774755][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.934345][ T5935] chnl_net:caif_netlink_parms(): no params data found [ 98.012587][ T5935] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.019924][ T5935] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.027166][ T5935] bridge_slave_0: entered allmulticast mode [ 98.035520][ T5935] bridge_slave_0: entered promiscuous mode [ 98.044341][ T5935] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.051964][ T5935] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.059496][ T5935] bridge_slave_1: entered allmulticast mode [ 98.066973][ T5935] bridge_slave_1: entered promiscuous mode [ 98.101830][ T5935] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.114768][ T5935] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.148305][ T5935] team0: Port device team_slave_0 added [ 98.156473][ T5935] team0: Port device team_slave_1 added [ 98.186776][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.194176][ 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. [ 98.220933][ T5935] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.233279][ T5935] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.241113][ 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. [ 98.267328][ T5935] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.314712][ T5935] hsr_slave_0: entered promiscuous mode [ 98.321738][ T5935] hsr_slave_1: entered promiscuous mode [ 98.328047][ T5935] debugfs: 'hsr0' already exists in 'hsr' [ 98.334227][ T5935] Cannot create hsr debugfs directory [ 99.334515][ T106] bridge_slave_1: left allmulticast mode [ 99.341329][ T106] bridge_slave_1: left promiscuous mode [ 99.347708][ T106] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.360989][ T106] bridge_slave_0: left allmulticast mode [ 99.366708][ T106] bridge_slave_0: left promiscuous mode [ 99.372741][ T106] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.547366][ T106] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 99.559007][ T106] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 99.569203][ T106] bond0 (unregistering): Released all slaves [ 99.666786][ T106] hsr_slave_0: left promiscuous mode [ 99.673043][ T106] hsr_slave_1: left promiscuous mode [ 99.682264][ T106] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.692697][ T106] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.705302][ T106] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.713999][ T106] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.729162][ T106] veth1_macvtap: left promiscuous mode [ 99.734811][ T106] veth0_macvtap: left promiscuous mode [ 99.740610][ T106] veth1_vlan: left promiscuous mode [ 99.745950][ T106] veth0_vlan: left promiscuous mode [ 99.848929][ T5140] Bluetooth: hci0: command tx timeout [ 100.055830][ T106] team0 (unregistering): Port device team_slave_1 removed [ 100.094416][ T106] team0 (unregistering): Port device team_slave_0 removed [ 100.485186][ T5935] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.498296][ T5935] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.518256][ T5935] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.532438][ T5935] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.848536][ T5935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.867948][ T5935] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.884179][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.891404][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.908354][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.915548][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.179048][ T5935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.216921][ T5935] veth0_vlan: entered promiscuous mode [ 101.230693][ T5935] veth1_vlan: entered promiscuous mode [ 101.259861][ T5935] veth0_macvtap: entered promiscuous mode [ 101.270714][ T5935] veth1_macvtap: entered promiscuous mode [ 101.289337][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.304054][ T5935] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.318390][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.327526][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.343320][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.356752][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.406769][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.419776][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.450150][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.458191][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.516245][ T5982] [ 101.519348][ T5982] ============================= [ 101.524230][ T5982] WARNING: suspicious RCU usage [ 101.529687][ T5982] syzkaller #0 Not tainted [ 101.534576][ T5982] ----------------------------- [ 101.540023][ T5982] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 101.548560][ T5982] [ 101.548560][ T5982] other info that might help us debug this: [ 101.548560][ T5982] [ 101.559799][ T5982] [ 101.559799][ T5982] rcu_scheduler_active = 2, debug_locks = 1 [ 101.567911][ T5982] 1 lock held by syz.0.17/5982: [ 101.573544][ T5982] #0: ffffffff8e7604d8 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 101.585015][ T5982] [ 101.585015][ T5982] stack backtrace: [ 101.591494][ T5982] CPU: 1 UID: 0 PID: 5982 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 101.591517][ T5982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 101.591536][ T5982] Call Trace: [ 101.591544][ T5982] [ 101.591553][ T5982] dump_stack_lvl+0xe8/0x150 [ 101.591589][ T5982] lockdep_rcu_suspicious+0x13f/0x1d0 [ 101.591623][ T5982] get_callchain_entry+0x2b6/0x3c0 [ 101.591656][ T5982] get_perf_callchain+0xd5/0x880 [ 101.591691][ T5982] ? __pfx_get_perf_callchain+0x10/0x10 [ 101.591738][ T5982] ? __lock_acquire+0x6b5/0x2cf0 [ 101.591767][ T5982] __bpf_get_stack+0x445/0xab0 [ 101.591808][ T5982] ? __pfx___bpf_get_stack+0x10/0x10 [ 101.591837][ T5982] ? get_futex_key+0x8cd/0x1690 [ 101.591891][ T5982] bpf_get_stack+0x33/0x50 [ 101.591919][ T5982] ? bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 101.591962][ T5982] bpf_get_stack_raw_tp+0x1a9/0x220 [ 101.591997][ T5982] bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 101.592019][ T5982] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 101.592055][ T5982] bpf_prog_test_run_syscall+0x318/0x4c0 [ 101.592087][ T5982] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 101.592123][ T5982] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 101.592153][ T5982] bpf_prog_test_run+0x2c7/0x340 [ 101.592178][ T5982] __sys_bpf+0x643/0x950 [ 101.592212][ T5982] ? __pfx___sys_bpf+0x10/0x10 [ 101.592264][ T5982] ? __pfx___se_sys_futex+0x10/0x10 [ 101.592291][ T5982] ? rcu_is_watching+0x15/0xb0 [ 101.592331][ T5982] __x64_sys_bpf+0x7c/0x90 [ 101.592361][ T5982] do_syscall_64+0x14d/0xf80 [ 101.592382][ T5982] ? trace_irq_disable+0x3b/0x150 [ 101.592412][ T5982] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.592434][ T5982] ? clear_bhb_loop+0x40/0x90 [ 101.592460][ T5982] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.592482][ T5982] RIP: 0033:0x7f300539c799 [ 101.592502][ T5982] 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 [ 101.592518][ T5982] RSP: 002b:00007ffc740414f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 101.592541][ T5982] RAX: ffffffffffffffda RBX: 00007f3005615fa0 RCX: 00007f300539c799 [ 101.592556][ T5982] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 101.592569][ T5982] RBP: 00007f3005432bd9 R08: 0000000000000000 R09: 0000000000000000 [ 101.592582][ T5982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.592594][ T5982] R13: 00007f3005615fac R14: 00007f3005615fa0 R15: 00007f3005615fa0 [ 101.592627][ T5982] [ 101.919071][ T5140] Bluetooth: hci0: command tx timeout