Warning: Permanently added '10.128.0.43' (ED25519) to the list of known hosts. 2026/04/06 12:33:39 parsed 1 programs [ 72.079662][ T5823] cgroup: Unknown subsys name 'net' [ 72.190517][ T5823] cgroup: Unknown subsys name 'cpuset' [ 72.199805][ T5823] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 73.560375][ T5823] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.211180][ T5836] 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. [ 77.899732][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.907514][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.915026][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.926653][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.934570][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.196647][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.208127][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.239123][ T4186] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.247070][ T4186] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.935508][ T5904] chnl_net:caif_netlink_parms(): no params data found [ 78.999272][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.006895][ T5904] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.014084][ T5904] bridge_slave_0: entered allmulticast mode [ 79.021140][ T5904] bridge_slave_0: entered promiscuous mode [ 79.029787][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.036853][ T5904] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.044097][ T5904] bridge_slave_1: entered allmulticast mode [ 79.051004][ T5904] bridge_slave_1: entered promiscuous mode [ 79.082897][ T5904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.095105][ T5904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.121201][ T5904] team0: Port device team_slave_0 added [ 79.128552][ T5904] team0: Port device team_slave_1 added [ 79.149493][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.156446][ T5904] 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. [ 79.182368][ T5904] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.195981][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.202997][ T5904] 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. [ 79.229152][ T5904] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.287443][ T5904] hsr_slave_0: entered promiscuous mode [ 79.293878][ T5904] hsr_slave_1: entered promiscuous mode [ 79.435846][ T5904] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.446773][ T5904] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.456090][ T5904] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.465249][ T5904] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.491919][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.499162][ T5904] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.506744][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.513890][ T5904] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.557022][ T5904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.573818][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.582552][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.595178][ T5904] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.607020][ T4186] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.614132][ T4186] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.625739][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.633047][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.771199][ T5904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.810522][ T5904] veth0_vlan: entered promiscuous mode [ 79.821632][ T5904] veth1_vlan: entered promiscuous mode [ 79.847125][ T5904] veth0_macvtap: entered promiscuous mode [ 79.856554][ T5904] veth1_macvtap: entered promiscuous mode [ 79.872929][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.885995][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.900760][ T4186] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.911324][ T4186] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.922076][ T4186] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.931943][ T4186] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.034107][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.111640][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.175315][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.263578][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/06 12:33:50 executed programs: 0 [ 80.562565][ T5144] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.571712][ T5144] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.580822][ T5144] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.589088][ T5144] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.596674][ T5144] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 80.718996][ T5933] chnl_net:caif_netlink_parms(): no params data found [ 80.782566][ T5933] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.789764][ T5933] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.796858][ T5933] bridge_slave_0: entered allmulticast mode [ 80.803883][ T5933] bridge_slave_0: entered promiscuous mode [ 80.812697][ T5933] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.819932][ T5933] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.827174][ T5933] bridge_slave_1: entered allmulticast mode [ 80.834350][ T5933] bridge_slave_1: entered promiscuous mode [ 80.858186][ T5933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.871919][ T5933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.904523][ T5933] team0: Port device team_slave_0 added [ 80.912421][ T5933] team0: Port device team_slave_1 added [ 80.933923][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.940944][ T5933] 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. [ 80.967273][ T5933] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.979504][ T5933] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.986490][ T5933] 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. [ 81.012833][ T5933] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.059299][ T5933] hsr_slave_0: entered promiscuous mode [ 81.065513][ T5933] hsr_slave_1: entered promiscuous mode [ 81.072181][ T5933] debugfs: 'hsr0' already exists in 'hsr' [ 81.078314][ T5933] Cannot create hsr debugfs directory [ 82.628548][ T51] Bluetooth: hci0: command tx timeout [ 82.683287][ T12] bridge_slave_1: left allmulticast mode [ 82.691380][ T12] bridge_slave_1: left promiscuous mode [ 82.697665][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.710259][ T12] bridge_slave_0: left allmulticast mode [ 82.715894][ T12] bridge_slave_0: left promiscuous mode [ 82.722075][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.855208][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 82.866119][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 82.876182][ T12] bond0 (unregistering): Released all slaves [ 82.981708][ T12] hsr_slave_0: left promiscuous mode [ 82.993622][ T12] hsr_slave_1: left promiscuous mode [ 82.999873][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 83.007283][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 83.015928][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 83.023587][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 83.044249][ T12] veth1_macvtap: left promiscuous mode [ 83.050012][ T12] veth0_macvtap: left promiscuous mode [ 83.055602][ T12] veth1_vlan: left promiscuous mode [ 83.061193][ T12] veth0_vlan: left promiscuous mode [ 83.333155][ T12] team0 (unregistering): Port device team_slave_1 removed [ 83.355534][ T12] team0 (unregistering): Port device team_slave_0 removed [ 83.740959][ T5933] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.759417][ T5933] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.775395][ T5933] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.788459][ T5933] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.888702][ T5933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.982073][ T5933] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.995627][ T58] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.002830][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.022125][ T58] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.029302][ T58] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.296714][ T5933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.348761][ T5933] veth0_vlan: entered promiscuous mode [ 84.362364][ T5933] veth1_vlan: entered promiscuous mode [ 84.401826][ T5933] veth0_macvtap: entered promiscuous mode [ 84.422944][ T5933] veth1_macvtap: entered promiscuous mode [ 84.446671][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.462384][ T5933] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.476381][ T158] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.492260][ T158] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.504778][ T158] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.516042][ T158] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.561461][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.572783][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.594593][ T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.602542][ T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.642167][ T5994] [ 84.644545][ T5994] ============================= [ 84.649471][ T5994] WARNING: suspicious RCU usage [ 84.654322][ T5994] syzkaller #0 Not tainted [ 84.659088][ T5994] ----------------------------- [ 84.663918][ T5994] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 84.672932][ T5994] [ 84.672932][ T5994] other info that might help us debug this: [ 84.672932][ T5994] [ 84.683402][ T5994] [ 84.683402][ T5994] rcu_scheduler_active = 2, debug_locks = 1 [ 84.691493][ T5994] 1 lock held by syz.0.17/5994: [ 84.696432][ T5994] #0: ffffffff8e75e7d8 (rcu_tasks_trace_srcu_struct){....}-{0:0}, at: rcu_read_lock_trace+0x25/0x110 [ 84.707675][ T5994] [ 84.707675][ T5994] stack backtrace: [ 84.708982][ T51] Bluetooth: hci0: command tx timeout [ 84.713575][ T5994] CPU: 0 UID: 0 PID: 5994 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 84.713593][ T5994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.713609][ T5994] Call Trace: [ 84.713616][ T5994] [ 84.713623][ T5994] dump_stack_lvl+0xe8/0x150 [ 84.713650][ T5994] lockdep_rcu_suspicious+0x13f/0x1d0 [ 84.713678][ T5994] get_callchain_entry+0x2b6/0x3c0 [ 84.713699][ T5994] get_perf_callchain+0xd5/0x880 [ 84.713720][ T5994] ? __pfx_get_perf_callchain+0x10/0x10 [ 84.713741][ T5994] ? __lock_acquire+0x6b5/0x2cf0 [ 84.713764][ T5994] __bpf_get_stack+0x445/0xab0 [ 84.713789][ T5994] ? __pfx___bpf_get_stack+0x10/0x10 [ 84.713803][ T5994] ? get_futex_key+0x8cd/0x1690 [ 84.713831][ T5994] bpf_get_stack+0x33/0x50 [ 84.713853][ T5994] ? bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 84.713876][ T5994] bpf_get_stack_raw_tp+0x1a9/0x220 [ 84.713905][ T5994] bpf_prog_e8e6327ccf46c9a7+0x46/0x4e [ 84.713922][ T5994] bpf_prog_run_pin_on_cpu+0x142/0x470 [ 84.713947][ T5994] bpf_prog_test_run_syscall+0x318/0x4c0 [ 84.713976][ T5994] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 84.714001][ T5994] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 84.714021][ T5994] bpf_prog_test_run+0x2c7/0x340 [ 84.714041][ T5994] __sys_bpf+0x643/0x950 [ 84.714059][ T5994] ? __pfx___sys_bpf+0x10/0x10 [ 84.714090][ T5994] ? __pfx___se_sys_futex+0x10/0x10 [ 84.714110][ T5994] ? rcu_is_watching+0x15/0xb0 [ 84.714140][ T5994] __x64_sys_bpf+0x7c/0x90 [ 84.714163][ T5994] do_syscall_64+0x14d/0xf80 [ 84.714183][ T5994] ? trace_irq_disable+0x3b/0x150 [ 84.714197][ T5994] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.714212][ T5994] ? clear_bhb_loop+0x40/0x90 [ 84.714233][ T5994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.714248][ T5994] RIP: 0033:0x7f4c6ed9c819 [ 84.714263][ T5994] 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 [ 84.714276][ T5994] RSP: 002b:00007ffdb2b10ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 84.714293][ T5994] RAX: ffffffffffffffda RBX: 00007f4c6f015fa0 RCX: 00007f4c6ed9c819 [ 84.714305][ T5994] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 84.714315][ T5994] RBP: 00007f4c6ee32c91 R08: 0000000000000000 R09: 0000000000000000 [ 84.714325][ T5994] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 84.714335][ T5994] R13: 00007f4c6f015fac R14: 00007f4c6f015fa0 R15: 00007f4c6f015fa0 [ 84.714360][ T5994]