Warning: Permanently added '10.128.0.211' (ED25519) to the list of known hosts. 2026/01/18 16:00:31 parsed 1 programs [ 89.146773][ T5834] cgroup: Unknown subsys name 'net' [ 89.256219][ T5834] cgroup: Unknown subsys name 'cpuset' [ 89.266198][ T5834] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 90.900982][ T5834] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 93.697087][ T5846] 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. [ 96.498285][ T5899] chnl_net:caif_netlink_parms(): no params data found [ 96.603398][ T5899] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.611145][ T5899] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.618719][ T5899] bridge_slave_0: entered allmulticast mode [ 96.626160][ T5899] bridge_slave_0: entered promiscuous mode [ 96.636991][ T5899] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.644295][ T5899] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.651481][ T5899] bridge_slave_1: entered allmulticast mode [ 96.658972][ T5899] bridge_slave_1: entered promiscuous mode [ 96.698132][ T5899] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.710536][ T5899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.744579][ T5899] team0: Port device team_slave_0 added [ 96.753566][ T5899] team0: Port device team_slave_1 added [ 96.784391][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.791398][ T5899] 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. [ 96.817525][ T5899] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.830795][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.837889][ T5899] 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. [ 96.863972][ T5899] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.909466][ T5899] hsr_slave_0: entered promiscuous mode [ 96.916491][ T5899] hsr_slave_1: entered promiscuous mode [ 97.073469][ T5899] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.086878][ T5899] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.098983][ T5899] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.109910][ T5899] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.146796][ T5899] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.154081][ T5899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.162252][ T5899] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.169454][ T5899] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.224803][ T912] cfg80211: failed to load regulatory.db [ 97.240422][ T5899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.262182][ T3738] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.273271][ T3738] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.290328][ T5899] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.304387][ T3472] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.311597][ T3472] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.326906][ T3738] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.334124][ T3738] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.516789][ T5899] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.561957][ T5899] veth0_vlan: entered promiscuous mode [ 97.575933][ T5899] veth1_vlan: entered promiscuous mode [ 97.604634][ T5899] veth0_macvtap: entered promiscuous mode [ 97.615617][ T5899] veth1_macvtap: entered promiscuous mode [ 97.639706][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.655040][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.669609][ T3472] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.680100][ T3472] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.690811][ T3472] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.701008][ T3472] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.844550][ T3797] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.907244][ T3797] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.979125][ T3797] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.001361][ T3738] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.017264][ T3738] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.046779][ T3797] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.078207][ T3585] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 98.086551][ T3585] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.469331][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.477942][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.485994][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.494852][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.506564][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2026/01/18 16:00:44 executed programs: 0 [ 99.084873][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.093652][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.105523][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.115483][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.124612][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 99.338655][ T5945] chnl_net:caif_netlink_parms(): no params data found [ 99.481819][ T5945] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.489282][ T5945] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.498433][ T5945] bridge_slave_0: entered allmulticast mode [ 99.506450][ T5945] bridge_slave_0: entered promiscuous mode [ 99.515607][ T5945] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.524329][ T5945] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.531609][ T5945] bridge_slave_1: entered allmulticast mode [ 99.539516][ T5945] bridge_slave_1: entered promiscuous mode [ 99.589496][ T5945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.601522][ T5945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.643846][ T5945] team0: Port device team_slave_0 added [ 99.653521][ T5945] team0: Port device team_slave_1 added [ 99.685638][ T5945] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.692857][ T5945] 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. [ 99.719954][ T5945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.733968][ T5945] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.740929][ T5945] 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. [ 99.767356][ T5945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.817415][ T5945] hsr_slave_0: entered promiscuous mode [ 99.823934][ T5945] hsr_slave_1: entered promiscuous mode [ 99.830309][ T5945] debugfs: 'hsr0' already exists in 'hsr' [ 99.836911][ T5945] Cannot create hsr debugfs directory [ 100.297766][ T3797] bridge_slave_1: left allmulticast mode [ 100.304932][ T3797] bridge_slave_1: left promiscuous mode [ 100.311813][ T3797] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.325371][ T3797] bridge_slave_0: left allmulticast mode [ 100.331083][ T3797] bridge_slave_0: left promiscuous mode [ 100.339625][ T3797] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.675821][ T3797] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.688331][ T3797] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.700521][ T3797] bond0 (unregistering): Released all slaves [ 100.805586][ T3797] hsr_slave_0: left promiscuous mode [ 100.811808][ T3797] hsr_slave_1: left promiscuous mode [ 100.818614][ T3797] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.828199][ T3797] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.837584][ T3797] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.845864][ T3797] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.866624][ T3797] veth1_macvtap: left promiscuous mode [ 100.872571][ T3797] veth0_macvtap: left promiscuous mode [ 100.878282][ T3797] veth1_vlan: left promiscuous mode [ 100.884839][ T3797] veth0_vlan: left promiscuous mode [ 101.217722][ T3797] team0 (unregistering): Port device team_slave_1 removed [ 101.226419][ T5150] Bluetooth: hci0: command tx timeout [ 101.254154][ T3797] team0 (unregistering): Port device team_slave_0 removed [ 101.781652][ T5945] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.802884][ T5945] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.823057][ T5945] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.846870][ T5945] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.360254][ T5945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.384113][ T5945] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.419291][ T173] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.426593][ T173] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.474442][ T173] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.481608][ T173] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.830635][ T5945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.877525][ T5945] veth0_vlan: entered promiscuous mode [ 102.889405][ T5945] veth1_vlan: entered promiscuous mode [ 102.921027][ T5945] veth0_macvtap: entered promiscuous mode [ 102.931019][ T5945] veth1_macvtap: entered promiscuous mode [ 102.951141][ T5945] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.968343][ T5945] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.985396][ T3585] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.996760][ T3585] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.007212][ T3585] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.017412][ T3585] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.078149][ T3585] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.093283][ T3585] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.120996][ T3738] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.129638][ T3738] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.188569][ T6006] [ 103.191038][ T6006] ============================= [ 103.196542][ T6006] WARNING: suspicious RCU usage [ 103.201512][ T6006] syzkaller #0 Not tainted [ 103.206553][ T6006] ----------------------------- [ 103.211435][ T6006] kernel/events/callchain.c:163 suspicious rcu_dereference_check() usage! [ 103.220535][ T6006] [ 103.220535][ T6006] other info that might help us debug this: [ 103.220535][ T6006] [ 103.231498][ T6006] [ 103.231498][ T6006] rcu_scheduler_active = 2, debug_locks = 1 [ 103.240628][ T6006] 1 lock held by syz.0.17/6006: [ 103.246336][ T6006] #0: ffffffff8df41c80 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80 [ 103.256954][ T6006] [ 103.256954][ T6006] stack backtrace: [ 103.263399][ T6006] CPU: 1 UID: 0 PID: 6006 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 103.263424][ T6006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 103.263443][ T6006] Call Trace: [ 103.263450][ T6006] [ 103.263459][ T6006] dump_stack_lvl+0xe8/0x150 [ 103.263490][ T6006] lockdep_rcu_suspicious+0x140/0x1d0 [ 103.263516][ T6006] get_callchain_entry+0x2b6/0x3c0 [ 103.263549][ T6006] get_perf_callchain+0xb3/0x820 [ 103.263582][ T6006] ? __pfx_get_perf_callchain+0x10/0x10 [ 103.263614][ T6006] ? __lock_acquire+0x6b6/0x2cf0 [ 103.263639][ T6006] __bpf_get_stack+0x45b/0xaa0 [ 103.263678][ T6006] ? __pfx___bpf_get_stack+0x10/0x10 [ 103.263710][ T6006] ? __lock_acquire+0x6b6/0x2cf0 [ 103.263735][ T6006] bpf_get_stack+0x33/0x50 [ 103.263761][ T6006] ? bpf_prog_42db8cfdf50901c9+0x46/0x4e [ 103.263787][ T6006] bpf_get_stack_raw_tp+0x1a9/0x220 [ 103.263818][ T6006] bpf_prog_42db8cfdf50901c9+0x46/0x4e [ 103.263838][ T6006] bpf_prog_run_pin_on_cpu+0x143/0x480 [ 103.263878][ T6006] bpf_prog_test_run_syscall+0x312/0x4b0 [ 103.263913][ T6006] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 103.263952][ T6006] ? __pfx_bpf_prog_test_run_syscall+0x10/0x10 [ 103.263985][ T6006] bpf_prog_test_run+0x2c7/0x340 [ 103.264020][ T6006] __sys_bpf+0x5ee/0x8a0 [ 103.264049][ T6006] ? __pfx___sys_bpf+0x10/0x10 [ 103.264096][ T6006] ? __pfx___se_sys_futex+0x10/0x10 [ 103.264120][ T6006] ? rcu_is_watching+0x15/0xb0 [ 103.264153][ T6006] __x64_sys_bpf+0x7c/0x90 [ 103.264188][ T6006] do_syscall_64+0xec/0xf80 [ 103.264213][ T6006] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.264247][ T6006] ? trace_irq_disable+0x37/0x100 [ 103.264274][ T6006] ? clear_bhb_loop+0x60/0xb0 [ 103.264299][ T6006] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.264319][ T6006] RIP: 0033:0x7fefe898f749 [ 103.264337][ T6006] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 103.264354][ T6006] RSP: 002b:00007ffd743a8ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 103.264374][ T6006] RAX: ffffffffffffffda RBX: 00007fefe8be5fa0 RCX: 00007fefe898f749 [ 103.264389][ T6006] RDX: 000000000000000c RSI: 00002000000004c0 RDI: 000000000000000a [ 103.264401][ T6006] RBP: 00007fefe8a13f91 R08: 0000000000000000 R09: 0000000000000000 [ 103.264414][ T6006] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 103.264425][ T6006] R13: 00007fefe8be5fa0 R14: 00007fefe8be5fa0 R15: 0000000000000003 [ 103.264457][ T6006] [ 103.527447][ T5150] Bluetooth: hci0: command tx timeout