Warning: Permanently added '10.128.0.48' (ED25519) to the list of known hosts. 2026/07/27 23:27:54 parsed 1 programs 2026/07/27 23:27:54 serving rpc on tcp://33959 syzkaller login: [ 97.381557][ T10] cfg80211: failed to load regulatory.db [ 97.568334][ T5635] cgroup: Unknown subsys name 'net' [ 97.689994][ T5635] cgroup: Unknown subsys name 'cpuset' [ 97.701095][ T5635] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 99.552814][ T5635] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 102.750821][ T5649] 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. [ 105.884665][ T5696] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.892922][ T5696] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.900434][ T5696] bridge_slave_0: entered allmulticast mode [ 105.907993][ T5696] bridge_slave_0: entered promiscuous mode [ 105.918155][ T5696] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.925540][ T5696] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.933498][ T5696] bridge_slave_1: entered allmulticast mode [ 105.941097][ T5696] bridge_slave_1: entered promiscuous mode [ 105.973165][ T5696] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.986676][ T5696] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 106.020935][ T5696] team0: Port device team_slave_0 added [ 106.029266][ T5696] team0: Port device team_slave_1 added [ 106.058244][ T5696] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 106.066024][ T5696] 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. [ 106.092503][ T5696] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 106.106339][ T5696] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 106.113562][ T5696] 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. [ 106.140185][ T5696] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 106.189134][ T5696] hsr_slave_0: entered promiscuous mode [ 106.196152][ T5696] hsr_slave_1: entered promiscuous mode [ 106.371801][ T5696] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.387316][ T5696] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 106.396546][ T5696] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.408002][ T5696] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 106.419318][ T5696] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.431589][ T5696] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 106.443690][ T5696] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.454634][ T5696] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 106.493052][ T5696] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.500892][ T5696] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.509969][ T5696] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.517355][ T5696] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.589064][ T5696] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.612840][ T61] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.621575][ T61] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.640365][ T5696] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.656820][ T115] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.664136][ T115] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.679451][ T115] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.686951][ T115] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.080908][ T5696] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 107.144422][ T5696] veth0_vlan: entered promiscuous mode [ 107.161035][ T5696] veth1_vlan: entered promiscuous mode [ 107.199731][ T5696] veth0_macvtap: entered promiscuous mode [ 107.213576][ T5696] veth1_macvtap: entered promiscuous mode [ 107.238260][ T5696] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.255196][ T5696] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.276399][ T61] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.288983][ T61] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.304840][ T61] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.314859][ T61] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.493891][ T5735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 107.503529][ T5735] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 107.512930][ T5735] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 107.527507][ T5735] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 107.535433][ T115] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.537908][ T5735] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 107.642446][ T115] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.717899][ T115] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.828814][ T115] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.949076][ T3300] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.957351][ T3300] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.998995][ T1171] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.007941][ T1171] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/07/27 23:28:09 executed programs: 0 [ 109.022666][ T5735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 109.032658][ T5735] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 109.041259][ T5735] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 109.050590][ T5735] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 109.061417][ T5735] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 109.593136][ T5759] bridge0: port 1(bridge_slave_0) entered blocking state [ 109.600491][ T5759] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.607871][ T5759] bridge_slave_0: entered allmulticast mode [ 109.615525][ T5759] bridge_slave_0: entered promiscuous mode [ 109.625035][ T5759] bridge0: port 2(bridge_slave_1) entered blocking state [ 109.633117][ T5759] bridge0: port 2(bridge_slave_1) entered disabled state [ 109.641330][ T5759] bridge_slave_1: entered allmulticast mode [ 109.649130][ T5759] bridge_slave_1: entered promiscuous mode [ 109.681579][ T5759] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 109.694268][ T5759] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.729497][ T5759] team0: Port device team_slave_0 added [ 109.740751][ T5759] team0: Port device team_slave_1 added [ 109.776883][ T5759] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.784193][ T5759] 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. [ 109.811580][ T5759] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.825404][ T5759] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.832943][ T5759] 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. [ 109.860621][ T5759] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.928210][ T5759] hsr_slave_0: entered promiscuous mode [ 109.937134][ T5759] hsr_slave_1: entered promiscuous mode [ 109.944626][ T5759] debugfs: 'hsr0' already exists in 'hsr' [ 109.951567][ T5759] Cannot create hsr debugfs directory [ 110.342554][ T115] bridge_slave_1: left allmulticast mode [ 110.348758][ T115] bridge_slave_1: left promiscuous mode [ 110.356732][ T115] bridge0: port 2(bridge_slave_1) entered disabled state [ 110.379204][ T115] bridge_slave_0: left allmulticast mode [ 110.387543][ T115] bridge_slave_0: left promiscuous mode [ 110.394787][ T115] bridge0: port 1(bridge_slave_0) entered disabled state [ 110.621634][ T115] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 110.635229][ T115] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 110.653586][ T115] bond0 (unregistering): Released all slaves [ 110.792981][ T115] hsr_slave_0: left promiscuous mode [ 110.800625][ T115] hsr_slave_1: left promiscuous mode [ 110.810987][ T115] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 110.819916][ T115] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 110.829118][ T115] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 110.837049][ T115] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 110.855506][ T115] veth1_macvtap: left promiscuous mode [ 110.864302][ T115] veth0_macvtap: left promiscuous mode [ 110.870526][ T115] veth1_vlan: left promiscuous mode [ 110.876930][ T115] veth0_vlan: left promiscuous mode [ 111.136826][ T4939] Bluetooth: hci0: command tx timeout [ 111.161360][ T115] team0 (unregistering): Port device team_slave_1 removed [ 111.185213][ T115] team0 (unregistering): Port device team_slave_0 removed [ 111.320542][ T5284] 8021q: adding VLAN 0 to HW filter on device eth1 [ 111.789101][ T5759] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 111.804422][ T5759] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 111.813835][ T5759] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 111.844726][ T5759] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 112.093154][ T5759] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 112.103540][ T5759] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 112.112375][ T5759] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 112.130752][ T5759] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 112.408509][ T5759] 8021q: adding VLAN 0 to HW filter on device bond0 [ 112.461918][ T5759] 8021q: adding VLAN 0 to HW filter on device team0 [ 112.519516][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.526807][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 112.546152][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.553469][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.218385][ T4939] Bluetooth: hci0: command tx timeout [ 113.264090][ T5759] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.359167][ T5759] veth0_vlan: entered promiscuous mode [ 113.379496][ T5759] veth1_vlan: entered promiscuous mode [ 113.440173][ T5759] veth0_macvtap: entered promiscuous mode [ 113.452176][ T5759] veth1_macvtap: entered promiscuous mode [ 113.484605][ T5759] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.507644][ T5759] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.532165][ T115] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.554718][ T115] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.568743][ T115] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.589777][ T115] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.686116][ T61] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.705909][ T61] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.757969][ T61] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 113.767483][ T61] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 113.943491][ T5853] [ 113.948639][ T5853] ============================= [ 113.953937][ T5853] WARNING: suspicious RCU usage [ 113.959308][ T5853] syzkaller #0 Not tainted [ 113.964876][ T5853] ----------------------------- [ 113.969996][ T5853] net/xfrm/xfrm_user.c:1630 suspicious rcu_dereference_check() usage! [ 113.978671][ T5853] [ 113.978671][ T5853] other info that might help us debug this: [ 113.978671][ T5853] [ 113.989282][ T5853] [ 113.989282][ T5853] rcu_scheduler_active = 2, debug_locks = 1 [ 113.997455][ T5853] 1 lock held by syz.0.17/5853: [ 114.002354][ T5853] #0: ffff88807be59c90 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x6a/0x90 [ 114.013301][ T5853] [ 114.013301][ T5853] stack backtrace: [ 114.020821][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 114.020850][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 114.020872][ T5853] Call Trace: [ 114.020881][ T5853] [ 114.020889][ T5853] dump_stack_lvl+0xe8/0x150 [ 114.020927][ T5853] lockdep_rcu_suspicious+0x13f/0x1d0 [ 114.020965][ T5853] xfrm_nlmsg_multicast+0x1d8/0x1f0 [ 114.020992][ T5853] xfrm_send_migrate_state+0x870/0xae0 [ 114.021041][ T5853] ? __pfx_xfrm_send_migrate_state+0x10/0x10 [ 114.021081][ T5853] ? xfrm_state_migrate_install+0x192/0x630 [ 114.021106][ T5853] xfrm_do_migrate_state+0x1703/0x1e50 [ 114.021144][ T5853] ? __pfx_xfrm_do_migrate_state+0x10/0x10 [ 114.021185][ T5853] ? apparmor_capable+0x126/0x170 [ 114.021221][ T5853] ? __nla_parse+0x40/0x60 [ 114.021257][ T5853] xfrm_user_rcv_msg+0x7a8/0xf30 [ 114.021288][ T5853] ? __pfx_xfrm_user_rcv_msg+0x10/0x10 [ 114.021341][ T5853] ? __mutex_trylock_common+0x15f/0x270 [ 114.021367][ T5853] ? __pfx___mutex_trylock_common+0x10/0x10 [ 114.021393][ T5853] ? rcu_is_watching+0x15/0xb0 [ 114.021415][ T5853] ? trace_contention_end+0x3d/0x140 [ 114.021447][ T5853] netlink_rcv_skb+0x226/0x4a0 [ 114.021474][ T5853] ? __pfx_xfrm_user_rcv_msg+0x10/0x10 [ 114.021499][ T5853] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 114.021540][ T5853] ? netlink_deliver_tap+0x2e/0x1b0 [ 114.021565][ T5853] ? netlink_deliver_tap+0x2e/0x1b0 [ 114.021593][ T5853] xfrm_netlink_rcv+0x79/0x90 [ 114.021616][ T5853] netlink_unicast+0x7bb/0x940 [ 114.021649][ T5853] netlink_sendmsg+0x813/0xb40 [ 114.021684][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 114.021708][ T5853] ? filemap_map_pages+0x1ccc/0x2090 [ 114.021737][ T5853] ? aa_sock_msg_perm+0xf1/0x1b0 [ 114.021764][ T5853] ? __pfx_netlink_sendmsg+0x10/0x10 [ 114.021788][ T5853] sock_sendmsg_nosec+0x13a/0x180 [ 114.021835][ T5853] ____sys_sendmsg+0x54e/0x850 [ 114.021864][ T5853] ? __pfx_____sys_sendmsg+0x10/0x10 [ 114.021897][ T5853] ? import_iovec+0x73/0xa0 [ 114.021934][ T5853] ___sys_sendmsg+0x2a5/0x360 [ 114.021963][ T5853] ? __pfx____sys_sendmsg+0x10/0x10 [ 114.021991][ T5853] ? futex_wake+0x522/0x5f0 [ 114.022050][ T5853] ? __pfx_do_futex+0x10/0x10 [ 114.022078][ T5853] __x64_sys_sendmsg+0x1b1/0x290 [ 114.022103][ T5853] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 114.022185][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.022209][ T5853] do_syscall_64+0x174/0x580 [ 114.022236][ T5853] ? trace_irq_disable+0x3b/0x140 [ 114.022265][ T5853] ? clear_bhb_loop+0x40/0x90 [ 114.022291][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.022313][ T5853] RIP: 0033:0x7efd45b9de99 [ 114.022349][ T5853] 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 [ 114.022367][ T5853] RSP: 002b:00007ffefb7d3b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.022390][ T5853] RAX: ffffffffffffffda RBX: 00007efd45e25fa0 RCX: 00007efd45b9de99 [ 114.022405][ T5853] RDX: 0000000000000000 RSI: 0000200000000500 RDI: 0000000000000003 [ 114.022418][ T5853] RBP: 00007efd45c33eaf R08: 0000000000000000 R09: 0000000000000000 [ 114.022430][ T5853] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 114.022442][ T5853] R13: 00007efd45e25fac R14: 00007efd45e25fa0 R15: 00007efd45e25fa0 [ 114.022476][ T5853] 2026/07/27 23:28:15 executed programs: 3 [ 115.296289][ T4939] Bluetooth: hci0: command tx timeout [ 117.377330][ T4939] Bluetooth: hci0: command tx timeout 2026/07/27 23:28:20 executed programs: 249