Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts. 2026/04/19 23:56:08 parsed 1 programs [ 85.788954][ T5775] cgroup: Unknown subsys name 'net' [ 85.920297][ T5775] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 87.914564][ T5775] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.113625][ T5837] chnl_net:caif_netlink_parms(): no params data found [ 92.191332][ T5837] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.199943][ T5837] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.208507][ T5837] bridge_slave_0: entered allmulticast mode [ 92.216032][ T5837] bridge_slave_0: entered promiscuous mode [ 92.225906][ T5837] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.233685][ T5837] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.241634][ T5837] bridge_slave_1: entered allmulticast mode [ 92.248980][ T5837] bridge_slave_1: entered promiscuous mode [ 92.280245][ T5837] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.294057][ T5837] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.330630][ T5837] team0: Port device team_slave_0 added [ 92.340943][ T5837] team0: Port device team_slave_1 added [ 92.367635][ T5837] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.376848][ T8] cfg80211: failed to load regulatory.db [ 92.382426][ T5837] 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. [ 92.410294][ T5837] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.424051][ T5837] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.431604][ T5837] 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. [ 92.460378][ T5837] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.521028][ T5837] hsr_slave_0: entered promiscuous mode [ 92.527660][ T5837] hsr_slave_1: entered promiscuous mode [ 92.742741][ T5837] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.754706][ T5837] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.766645][ T5837] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.777501][ T5837] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.821555][ T5837] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.829176][ T5837] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.837505][ T5837] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.845103][ T5837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.940934][ T5837] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.970416][ T5012] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.979384][ T5012] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.002749][ T5837] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.030048][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.037863][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.050292][ T3467] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.057904][ T3467] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.301030][ T5837] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.351964][ T5837] veth0_vlan: entered promiscuous mode [ 93.373463][ T5837] veth1_vlan: entered promiscuous mode [ 93.409061][ T5837] veth0_macvtap: entered promiscuous mode [ 93.422257][ T5837] veth1_macvtap: entered promiscuous mode [ 93.449532][ T5837] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.471332][ T5837] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.487909][ T5837] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.497100][ T5837] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.506162][ T5837] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.515006][ T5837] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.638606][ T5837] syz-executor (5837) used greatest stack depth: 20808 bytes left [ 93.680435][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.037214][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.046111][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.055511][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.064882][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.073734][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 94.081239][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 94.357787][ T2939] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.367068][ T2939] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.399995][ T3520] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.408311][ T3520] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/04/19 23:56:19 executed programs: 0 [ 94.882762][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.891775][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.904774][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.914071][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.923092][ T51] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 94.930590][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.075081][ T5879] chnl_net:caif_netlink_parms(): no params data found [ 95.144932][ T5879] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.152653][ T5879] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.160133][ T5879] bridge_slave_0: entered allmulticast mode [ 95.167500][ T5879] bridge_slave_0: entered promiscuous mode [ 95.177516][ T5879] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.184949][ T5879] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.193958][ T5879] bridge_slave_1: entered allmulticast mode [ 95.201167][ T5879] bridge_slave_1: entered promiscuous mode [ 95.230909][ T5879] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.243748][ T5879] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.279690][ T5879] team0: Port device team_slave_0 added [ 95.289562][ T5879] team0: Port device team_slave_1 added [ 95.314145][ T5879] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.321338][ T5879] 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. [ 95.349196][ T5879] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.363010][ T5879] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.370206][ T5879] 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. [ 95.397024][ T5879] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.440303][ T5879] hsr_slave_0: entered promiscuous mode [ 95.447201][ T5879] hsr_slave_1: entered promiscuous mode [ 95.454086][ T5879] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 95.462121][ T5879] Cannot create hsr debugfs directory [ 96.456757][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 97.013131][ T5087] Bluetooth: hci0: command tx timeout [ 98.743014][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.807049][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.099601][ T5087] Bluetooth: hci0: command tx timeout [ 99.790306][ T5879] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.806193][ T5879] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.841115][ T5879] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.857256][ T5879] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.887964][ T12] hsr_slave_0: left promiscuous mode [ 99.897972][ T12] hsr_slave_1: left promiscuous mode [ 99.904814][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.912858][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.922069][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.929903][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.938570][ T12] bridge_slave_1: left allmulticast mode [ 99.944516][ T12] bridge_slave_1: left promiscuous mode [ 99.951081][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.964445][ T12] bridge_slave_0: left allmulticast mode [ 99.970296][ T12] bridge_slave_0: left promiscuous mode [ 99.976365][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.998987][ T12] veth1_macvtap: left promiscuous mode [ 100.005067][ T12] veth0_macvtap: left promiscuous mode [ 100.010724][ T12] veth1_vlan: left promiscuous mode [ 100.017135][ T12] veth0_vlan: left promiscuous mode [ 100.494290][ T12] team0 (unregistering): Port device team_slave_1 removed [ 100.530690][ T12] team0 (unregistering): Port device team_slave_0 removed [ 100.573192][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.610995][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.866023][ T12] bond0 (unregistering): Released all slaves [ 101.028640][ T5879] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.070833][ T5879] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.084878][ T5012] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.092172][ T5012] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.115286][ T2939] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.122668][ T2939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.173375][ T5087] Bluetooth: hci0: command tx timeout [ 101.392556][ T5879] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.481788][ T5879] veth0_vlan: entered promiscuous mode [ 101.500742][ T5879] veth1_vlan: entered promiscuous mode [ 101.530913][ T5879] veth0_macvtap: entered promiscuous mode [ 101.540576][ T5879] veth1_macvtap: entered promiscuous mode [ 101.557692][ T5879] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.573920][ T5879] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.587067][ T5879] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.598752][ T5879] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.608126][ T5879] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.617458][ T5879] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.721226][ T135] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.731751][ T135] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.771947][ T135] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.780240][ T135] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.865969][ T5922] [ 101.868468][ T5922] ============================= [ 101.873440][ T5922] WARNING: suspicious RCU usage [ 101.878670][ T5922] syzkaller #0 Not tainted [ 101.883240][ T5922] ----------------------------- [ 101.888281][ T5922] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 101.897481][ T5922] [ 101.897481][ T5922] other info that might help us debug this: [ 101.897481][ T5922] [ 101.908102][ T5922] [ 101.908102][ T5922] rcu_scheduler_active = 2, debug_locks = 1 [ 101.916580][ T5922] 1 lock held by syz.0.17/5922: [ 101.921556][ T5922] #0: ffffffff8d1322c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 101.932399][ T5922] [ 101.932399][ T5922] stack backtrace: [ 101.938768][ T5922] CPU: 0 PID: 5922 Comm: syz.0.17 Not tainted syzkaller #0 [ 101.946597][ T5922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 101.957104][ T5922] Call Trace: [ 101.960495][ T5922] [ 101.963474][ T5922] dump_stack_lvl+0x18c/0x250 [ 101.968219][ T5922] ? show_regs_print_info+0x20/0x20 [ 101.973710][ T5922] ? load_image+0x420/0x420 [ 101.978326][ T5922] lockdep_rcu_suspicious+0x1e1/0x300 [ 101.983905][ T5922] get_callchain_entry+0x2a9/0x3c0 [ 101.989047][ T5922] get_perf_callchain+0xc6/0x510 [ 101.994007][ T5922] ? put_callchain_entry+0xb0/0xb0 [ 101.999213][ T5922] ? __lock_acquire+0x7d40/0x7d40 [ 102.004249][ T5922] ? rcu_read_lock_sched_held+0x8a/0x110 [ 102.009894][ T5922] __bpf_get_stack+0x2e4/0x540 [ 102.014676][ T5922] ? stack_map_get_build_id_offset+0x720/0x720 [ 102.021038][ T5922] ? __cant_sleep+0x220/0x220 [ 102.025998][ T5922] ? bpf_prog_b8a90dd1efcc4ad9+0x45/0x49 [ 102.031913][ T5922] bpf_get_stack_raw_tp+0x1a9/0x210 [ 102.037572][ T5922] bpf_prog_b8a90dd1efcc4ad9+0x45/0x49 [ 102.043571][ T5922] bpf_prog_run_pin_on_cpu+0x64/0x150 [ 102.049057][ T5922] bpf_prog_test_run_syscall+0x317/0x4a0 [ 102.054796][ T5922] ? sock_gen_cookie+0x60/0x60 [ 102.059842][ T5922] ? __fdget+0x14a/0x210 [ 102.064314][ T5922] ? sock_gen_cookie+0x60/0x60 [ 102.069184][ T5922] bpf_prog_test_run+0x321/0x390 [ 102.074146][ T5922] __sys_bpf+0x49d/0x890 [ 102.078406][ T5922] ? bpf_link_show_fdinfo+0x390/0x390 [ 102.083804][ T5922] ? lock_chain_count+0x20/0x20 [ 102.088767][ T5922] __x64_sys_bpf+0x7c/0x90 [ 102.093199][ T5922] do_syscall_64+0x55/0xa0 [ 102.097714][ T5922] ? clear_bhb_loop+0x40/0x90 [ 102.102583][ T5922] ? clear_bhb_loop+0x40/0x90 [ 102.107279][ T5922] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 102.113190][ T5922] RIP: 0033:0x7f5eb619c819 [ 102.117710][ T5922] 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 [ 102.137504][ T5922] RSP: 002b:00007ffef3d6d818 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 102.146293][ T5922] RAX: ffffffffffffffda RBX: 00007f5eb6415fa0 RCX: 00007f5eb619c819 [ 102.154464][ T5922] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a [ 102.163336][ T5922] RBP: 00007f5eb6232c91 R08: 0000000000000000 R09: 0000000000000000 [ 102.171603][ T5922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 102.179713][ T5922] R13: 00007f5eb6415fac R14: 00007f5eb6415fa0 R15: 00007f5eb6415fa0 [ 102.187726][ T5922]