Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. 1970/01/01 00:00:30 parsed 1 programs 1970/01/01 00:00:30 serving rpc on tcp://43321 [ 31.297686][ T4719] cgroup: Unknown subsys name 'net' [ 31.448978][ T4719] cgroup: Unknown subsys name 'cpuset' [ 31.450370][ T4719] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.665893][ T4719] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 34.039405][ T4726] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 34.286706][ T4735] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.287054][ T4735] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.287416][ T4735] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.324713][ T4735] infiniband rxe0: set active [ 34.324959][ T1155] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.324999][ T4735] infiniband rxe0: added rxe_eth0 [ 34.332648][ T4735] RDS/IB: rxe0: added [ 34.332712][ T4735] smc: adding ib device rxe0 with port count 1 [ 34.332734][ T4735] smc: ib device rxe0 port 1 has no pnetid [ 34.333741][ T26] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.342799][ T4735] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.433206][ T4735] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.433413][ T4735] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.433480][ T4735] bridge_slave_0: entered allmulticast mode [ 34.433939][ T4735] bridge_slave_0: entered promiscuous mode [ 34.435117][ T4735] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.435164][ T4735] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.435207][ T4735] bridge_slave_1: entered allmulticast mode [ 34.435661][ T4735] bridge_slave_1: entered promiscuous mode [ 34.442416][ T4735] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 34.443242][ T4735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 34.449568][ T4735] team0: Port device team_slave_0 added [ 34.450250][ T4735] team0: Port device team_slave_1 added [ 34.455840][ T4735] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 34.455850][ T4735] 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. [ 34.455860][ T4735] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 34.456742][ T4735] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 34.456758][ T4735] 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. [ 34.456773][ T4735] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 34.467015][ T4735] hsr_slave_0: entered promiscuous mode [ 34.467317][ T4735] hsr_slave_1: entered promiscuous mode [ 34.510646][ T4735] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 34.513195][ T4735] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 34.513646][ T4735] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 34.514862][ T4735] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 34.515456][ T4735] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 34.516827][ T4735] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 34.517131][ T4735] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 34.518955][ T4735] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 34.528564][ T4735] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.528611][ T4735] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.528758][ T4735] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.528789][ T4735] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.546931][ T4735] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.551049][ T4735] 8021q: adding VLAN 0 to HW filter on device team0 [ 34.552673][ T1149] bridge0: port 1(bridge_slave_0) entered disabled state [ 34.553153][ T1149] bridge0: port 2(bridge_slave_1) entered disabled state [ 34.561099][ T1149] bridge0: port 1(bridge_slave_0) entered blocking state [ 34.561130][ T1149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 34.565239][ T1149] bridge0: port 2(bridge_slave_1) entered blocking state [ 34.565264][ T1149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 34.667922][ T4735] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 34.680986][ T4735] veth0_vlan: entered promiscuous mode [ 34.683491][ T4735] veth1_vlan: entered promiscuous mode [ 34.691640][ T4735] veth0_macvtap: entered promiscuous mode [ 34.692829][ T4735] veth1_macvtap: entered promiscuous mode [ 34.697613][ T4735] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.698801][ T4735] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.717337][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.717800][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.717823][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.717839][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 34.781770][ T4775] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.801160][ T1149] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.849436][ T1149] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.895302][ T1149] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 34.913521][ T4779] rxe_eth0 speed is unknown, defaulting to 1000 [ 34.980178][ T1149] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 35.043607][ T4783] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.152949][ T4731] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.153348][ T4731] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.153606][ T4731] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.153955][ T4731] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.154213][ T4731] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.167316][ T4787] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.264689][ T4793] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.405890][ T4797] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.551363][ T4801] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.665460][ T4805] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.753972][ T4809] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.873216][ T4813] rxe_eth0 speed is unknown, defaulting to 1000 [ 35.927032][ T14] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.927045][ T14] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.934792][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.934803][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.973211][ T4817] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.090728][ T4820] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.153574][ T4822] rxe_eth0 speed is unknown, defaulting to 1000 1970/01/01 00:00:36 executed programs: 0 [ 36.326132][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.328038][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.328617][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.328936][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.329128][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.403261][ T4825] rxe_eth0 speed is unknown, defaulting to 1000 [ 36.495467][ T4825] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.495540][ T4825] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.495601][ T4825] bridge_slave_0: entered allmulticast mode [ 36.496036][ T4825] bridge_slave_0: entered promiscuous mode [ 36.498075][ T4825] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.498095][ T4825] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.498154][ T4825] bridge_slave_1: entered allmulticast mode [ 36.498619][ T4825] bridge_slave_1: entered promiscuous mode [ 36.507503][ T4825] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.510625][ T4825] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.520587][ T4825] team0: Port device team_slave_0 added [ 36.521381][ T4825] team0: Port device team_slave_1 added [ 36.528451][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.528461][ T4825] 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. [ 36.528476][ T4825] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.528988][ T4825] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.528995][ T4825] 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. [ 36.529008][ T4825] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.539785][ T4825] hsr_slave_0: entered promiscuous mode [ 36.540104][ T4825] hsr_slave_1: entered promiscuous mode [ 36.540298][ T4825] debugfs: 'hsr0' already exists in 'hsr' [ 36.540348][ T4825] Cannot create hsr debugfs directory [ 38.230486][ T1149] bridge_slave_1: left allmulticast mode [ 38.230511][ T1149] bridge_slave_1: left promiscuous mode [ 38.230856][ T1149] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.232983][ T1149] bridge_slave_0: left allmulticast mode [ 38.232996][ T1149] bridge_slave_0: left promiscuous mode [ 38.233060][ T1149] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.286722][ T1149] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 38.300742][ T1149] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 38.307292][ T1149] bond0 (unregistering): Released all slaves [ 38.357173][ T4731] Bluetooth: hci0: command tx timeout [ 38.425170][ T1149] hsr_slave_0: left promiscuous mode [ 38.425575][ T1149] hsr_slave_1: left promiscuous mode [ 38.425930][ T1149] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 38.425950][ T1149] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 38.433403][ T1149] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 38.433419][ T1149] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 38.442265][ T1149] veth1_macvtap: left promiscuous mode [ 38.442299][ T1149] veth0_macvtap: left promiscuous mode [ 38.442345][ T1149] veth1_vlan: left promiscuous mode [ 38.442384][ T1149] veth0_vlan: left promiscuous mode [ 38.537826][ T1149] team0 (unregistering): Port device team_slave_1 removed [ 38.541558][ T1149] team0 (unregistering): Port device team_slave_0 removed [ 38.595701][ T4398] 8021q: adding VLAN 0 to HW filter on device eth0 [ 38.845459][ T4825] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 38.851289][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 38.851809][ T4825] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 38.853975][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 38.854426][ T4825] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 38.855340][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 38.855711][ T4825] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 38.864877][ T4825] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 39.099660][ T4825] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.103442][ T4825] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.106754][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.106788][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.107448][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.107469][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.264220][ T4825] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 39.274669][ T4825] veth0_vlan: entered promiscuous mode [ 39.278032][ T4825] veth1_vlan: entered promiscuous mode [ 39.285023][ T4825] veth0_macvtap: entered promiscuous mode [ 39.286032][ T4825] veth1_macvtap: entered promiscuous mode [ 39.292789][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 39.295229][ T4825] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 39.359079][ T14] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.359093][ T14] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.366317][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.366548][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.366569][ T40] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.366585][ T40] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 39.384286][ T14] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 39.384299][ T14] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 39.438839][ T4904] 8021q: adding VLAN 0 to HW filter on device macvlan2 [ 39.439356][ T4904] batman_adv: batadv0: Adding interface: macvlan2 [ 39.439363][ T4904] batman_adv: batadv0: The MTU of interface macvlan2 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. [ 39.439376][ T4904] batman_adv: batadv0: Interface activated: macvlan2 [ 39.440200][ T4760] netdevsim netdevsim0 netdevsim0: entered promiscuous mode [ 39.440643][ T4904] [ 39.450664][ T4904] ============================================ [ 39.451787][ T4904] WARNING: possible recursive locking detected [ 39.452931][ T4904] syzkaller #0 Not tainted [ 39.453759][ T4904] -------------------------------------------- [ 39.454900][ T4904] syz.0.17/4904 is trying to acquire lock: [ 39.455962][ T4904] ffff0000cbc0ce78 (&dev_instance_lock_key#23){+.+.}-{4:4}, at: __netdev_update_features+0x988/0x1894 [ 39.458077][ T4904] [ 39.458077][ T4904] but task is already holding lock: [ 39.459502][ T4904] ffff0000cbc0ce78 (&dev_instance_lock_key#23){+.+.}-{4:4}, at: dev_ethtool+0x384/0x1a98 [ 39.461339][ T4904] and the lock comparison function returns 0: [ 39.462495][ T4904] [ 39.462495][ T4904] other info that might help us debug this: [ 39.463961][ T4904] Possible unsafe locking scenario: [ 39.463961][ T4904] [ 39.465338][ T4904] CPU0 [ 39.465942][ T4904] ---- [ 39.466508][ T4904] lock(&dev_instance_lock_key#23); [ 39.467497][ T4904] lock(&dev_instance_lock_key#23); [ 39.468501][ T4904] [ 39.468501][ T4904] *** DEADLOCK *** [ 39.468501][ T4904] [ 39.469981][ T4904] May be due to missing lock nesting notation [ 39.469981][ T4904] [ 39.471452][ T4904] locks held by syz.0.17/4904: 2, last CPU#0: [ 39.472594][ T4904] #0: ffff80008aa8ec80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c [ 39.474153][ T4904] #1: ffff0000cbc0ce78 (&dev_instance_lock_key#23){+.+.}-{4:4}, at: dev_ethtool+0x384/0x1a98 [ 39.476000][ T4904] [ 39.476000][ T4904] stack backtrace: [ 39.477090][ T4904] CPU: 0 UID: 0 PID: 4904 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 39.478673][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 39.480539][ T4904] Call trace: [ 39.481121][ T4904] show_stack+0x2c/0x3c (C) [ 39.481944][ T4904] __dump_stack+0x30/0x40 [ 39.482735][ T4904] dump_stack_lvl+0xd8/0x12c [ 39.483604][ T4904] dump_stack+0x1c/0x28 [ 39.484375][ T4904] print_deadlock_bug+0x2e8/0x2f0 [ 39.485443][ T4904] __lock_acquire+0x2404/0x2b08 [ 39.486406][ T4904] lock_acquire+0x13c/0x320 [ 39.487239][ T4904] __mutex_lock+0x164/0x1078 [ 39.488111][ T4904] mutex_lock_nested+0x24/0x30 [ 39.488979][ T4904] __netdev_update_features+0x988/0x1894 [ 39.490015][ T4904] netdev_update_features+0x78/0xf4 [ 39.490982][ T4904] macvlan_device_event+0x530/0x778 [ 39.491910][ T4904] notifier_call_chain+0x1a4/0x4cc [ 39.492823][ T4904] raw_notifier_call_chain+0x3c/0x50 [ 39.493806][ T4904] call_netdevice_notifiers_info+0xb8/0x120 [ 39.494881][ T4904] netdev_features_change+0x84/0xcc [ 39.495833][ T4904] dev_ethtool+0x165c/0x1a98 [ 39.496676][ T4904] dev_ioctl+0x284/0xc88 [ 39.497481][ T4904] sock_do_ioctl+0x198/0x254 [ 39.498294][ T4904] sock_ioctl+0x55c/0x7ec [ 39.499104][ T4904] __arm64_sys_ioctl+0x154/0x1cc [ 39.500027][ T4904] invoke_syscall+0x98/0x244 [ 39.500859][ T4904] el0_svc_common+0xec/0x23c [ 39.501780][ T4904] do_el0_svc+0x4c/0x5c [ 39.502566][ T4904] el0_svc+0x60/0x1d8 [ 39.503314][ T4904] el0t_64_sync_handler+0x44/0x104 [ 39.504245][ T4904] el0t_64_sync+0x198/0x19c [ 40.436237][ T4731] Bluetooth: hci0: command tx timeout [ 42.516266][ T4731] Bluetooth: hci0: command tx timeout [ 44.596231][ T4731] Bluetooth: hci0: command tx timeout