[ 430.624476][ T3024] device hsr_slave_0 left promiscuous mode [ 430.631337][ T3024] device hsr_slave_1 left promiscuous mode [ 430.638118][ T3024] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 430.648646][ T3024] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 430.657203][ T3024] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 430.667258][ T3024] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 430.676235][ T3024] device bridge_slave_1 left promiscuous mode [ 430.684101][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 430.693125][ T3024] device bridge_slave_0 left promiscuous mode [ 430.701518][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 430.716327][ T3024] device veth1_macvtap left promiscuous mode [ 430.724202][ T3024] device veth0_macvtap left promiscuous mode [ 430.737671][ T3024] device veth1_vlan left promiscuous mode [ 430.745321][ T3024] device veth0_vlan left promiscuous mode [ 430.919777][ T3024] team0 (unregistering): Port device team_slave_1 removed [ 430.935102][ T3024] team0 (unregistering): Port device team_slave_0 removed [ 430.946984][ T3024] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 430.960796][ T3024] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 431.007987][ T3024] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.204' (ED25519) to the list of known hosts. [ 435.928826][T32444] chnl_net:caif_netlink_parms(): no params data found [ 435.963503][T32444] bridge0: port 1(bridge_slave_0) entered blocking state [ 435.970986][T32444] bridge0: port 1(bridge_slave_0) entered disabled state [ 435.978654][T32444] device bridge_slave_0 entered promiscuous mode [ 435.987195][T32444] bridge0: port 2(bridge_slave_1) entered blocking state [ 435.994769][T32444] bridge0: port 2(bridge_slave_1) entered disabled state [ 436.002697][T32444] device bridge_slave_1 entered promiscuous mode [ 436.022212][T32444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 436.033702][T32444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 436.056230][T32444] team0: Port device team_slave_0 added [ 436.063810][T32444] team0: Port device team_slave_1 added [ 436.080042][T32444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 436.087233][T32444] 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. [ 436.114227][T32444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 436.126853][T32444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 436.134217][T32444] 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. [ 436.161923][T32444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 436.188754][T32444] device hsr_slave_0 entered promiscuous mode [ 436.195431][T32444] device hsr_slave_1 entered promiscuous mode [ 436.637376][T32444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 436.649095][T32444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 436.660230][T32444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 436.672038][T32444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 436.695578][T32444] bridge0: port 2(bridge_slave_1) entered blocking state [ 436.703495][T32444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 436.711878][T32444] bridge0: port 1(bridge_slave_0) entered blocking state [ 436.719390][T32444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 436.773361][T32444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 436.787048][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 436.797370][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 436.806122][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 436.815642][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 436.831405][T32444] 8021q: adding VLAN 0 to HW filter on device team0 [ 436.842873][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 436.852588][ T3024] bridge0: port 1(bridge_slave_0) entered blocking state [ 436.861016][ T3024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 436.881265][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 436.890792][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 436.898442][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 436.924266][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 436.934903][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 436.943961][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 436.952985][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 436.962282][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 436.973703][T32444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 436.992945][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 437.001579][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 437.015360][T32444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 437.037285][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 437.046186][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 437.067178][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 437.075741][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 437.084973][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 437.093324][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 437.101972][T32444] device veth0_vlan entered promiscuous mode [ 437.116459][T32444] device veth1_vlan entered promiscuous mode [ 437.141196][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 437.153073][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 437.162174][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 437.173060][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 437.185940][T32444] device veth0_macvtap entered promiscuous mode [ 437.200660][T32444] device veth1_macvtap entered promiscuous mode [ 437.222475][T32444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 437.231680][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 437.241386][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 437.250920][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 437.261082][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 437.275278][T32444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 437.283850][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 437.294141][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 437.306073][T32444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 437.316088][T32444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 437.325194][T32444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 437.334518][T32444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 437.404750][ T3024] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 437.418676][ T3024] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 437.442336][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 437.455793][T25256] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 437.465322][T25256] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 437.473768][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 437.491364][T32515] netlink: 60 bytes leftover after parsing attributes in process `syz-executor390'. [ 437.514830][T32515] device wlan1 entered promiscuous mode [ 437.538310][T32515] team0: Port device wlan1 added [ 437.564655][T32515] [ 437.567128][T32515] ====================================================== [ 437.574615][T32515] WARNING: possible circular locking dependency detected [ 437.581640][T32515] syzkaller #0 Not tainted [ 437.586148][T32515] ------------------------------------------------------ [ 437.593342][T32515] syz-executor390/32515 is trying to acquire lock: [ 437.599926][T32515] ffff88807984cd00 (team->team_lock_key){+.+.}-{3:3}, at: team_del_slave+0x2e/0x1e0 [ 437.609749][T32515] [ 437.609749][T32515] but task is already holding lock: [ 437.617445][T32515] ffff8880654c0688 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_del_interface+0x11c/0x350 [ 437.627541][T32515] [ 437.627541][T32515] which lock already depends on the new lock. [ 437.627541][T32515] [ 437.638027][T32515] [ 437.638027][T32515] the existing dependency chain (in reverse order) is: [ 437.647682][T32515] [ 437.647682][T32515] -> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}: [ 437.655689][T32515] __mutex_lock_common+0x1e3/0x2400 [ 437.661434][T32515] mutex_lock_nested+0x17/0x20 [ 437.666907][T32515] ieee80211_open+0x140/0x200 [ 437.672192][T32515] __dev_open+0x2bf/0x430 [ 437.677038][T32515] dev_open+0xa7/0x180 [ 437.681692][T32515] team_add_slave+0x692/0x2780 [ 437.686964][T32515] do_setlink+0xe90/0x3d60 [ 437.691987][T32515] rtnl_newlink+0x1658/0x1a50 [ 437.697405][T32515] rtnetlink_rcv_msg+0x844/0xf30 [ 437.703114][T32515] netlink_rcv_skb+0x1f5/0x440 [ 437.708557][T32515] netlink_unicast+0x774/0x920 [ 437.713949][T32515] netlink_sendmsg+0x8ba/0xbe0 [ 437.719230][T32515] ____sys_sendmsg+0x5b7/0x8f0 [ 437.724752][T32515] ___sys_sendmsg+0x236/0x2e0 [ 437.730042][T32515] __se_sys_sendmsg+0x1af/0x290 [ 437.735509][T32515] do_syscall_64+0x4c/0xa0 [ 437.740513][T32515] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 437.746995][T32515] [ 437.746995][T32515] -> #0 (team->team_lock_key){+.+.}-{3:3}: [ 437.755149][T32515] __lock_acquire+0x2c42/0x7d10 [ 437.760614][T32515] lock_acquire+0x19e/0x400 [ 437.765622][T32515] __mutex_lock_common+0x1e3/0x2400 [ 437.771413][T32515] mutex_lock_nested+0x17/0x20 [ 437.776833][T32515] team_del_slave+0x2e/0x1e0 [ 437.782052][T32515] team_device_event+0x38f/0x9e0 [ 437.787510][T32515] raw_notifier_call_chain+0xcb/0x160 [ 437.793484][T32515] unregister_netdevice_many+0x1049/0x19f0 [ 437.799793][T32515] unregister_netdevice_queue+0x324/0x370 [ 437.806105][T32515] _cfg80211_unregister_wdev+0x186/0x500 [ 437.812681][T32515] ieee80211_if_remove+0x1bd/0x2b0 [ 437.818643][T32515] ieee80211_del_iface+0x15/0x20 [ 437.824251][T32515] nl80211_del_interface+0x1ea/0x350 [ 437.830211][T32515] genl_rcv_msg+0xcea/0xf90 [ 437.835223][T32515] netlink_rcv_skb+0x1f5/0x440 [ 437.840497][T32515] genl_rcv+0x24/0x40 [ 437.845139][T32515] netlink_unicast+0x774/0x920 [ 437.850579][T32515] netlink_sendmsg+0x8ba/0xbe0 [ 437.856037][T32515] ____sys_sendmsg+0x5b7/0x8f0 [ 437.861656][T32515] ___sys_sendmsg+0x236/0x2e0 [ 437.866851][T32515] __se_sys_sendmsg+0x1af/0x290 [ 437.872222][T32515] do_syscall_64+0x4c/0xa0 [ 437.877464][T32515] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 437.884094][T32515] [ 437.884094][T32515] other info that might help us debug this: [ 437.884094][T32515] [ 437.894409][T32515] Possible unsafe locking scenario: [ 437.894409][T32515] [ 437.902466][T32515] CPU0 CPU1 [ 437.907814][T32515] ---- ---- [ 437.913729][T32515] lock(&rdev->wiphy.mtx); [ 437.918628][T32515] lock(team->team_lock_key); [ 437.926683][T32515] lock(&rdev->wiphy.mtx); [ 437.933873][T32515] lock(team->team_lock_key); [ 437.938706][T32515] [ 437.938706][T32515] *** DEADLOCK *** [ 437.938706][T32515] [ 437.947032][T32515] 3 locks held by syz-executor390/32515: [ 437.952863][T32515] #0: ffffffff8d499df0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 437.961169][T32515] #1: ffffffff8d43d3c8 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0x28/0x540 [ 437.970738][T32515] #2: ffff8880654c0688 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_del_interface+0x11c/0x350 [ 437.981593][T32515] [ 437.981593][T32515] stack backtrace: [ 437.987484][T32515] CPU: 0 PID: 32515 Comm: syz-executor390 Not tainted syzkaller #0 [ 437.995453][T32515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 438.005937][T32515] Call Trace: [ 438.009289][T32515] [ 438.012387][T32515] dump_stack_lvl+0x188/0x250 [ 438.017228][T32515] ? load_image+0x400/0x400 [ 438.021709][T32515] ? show_regs_print_info+0x20/0x20 [ 438.026979][T32515] ? print_circular_bug+0x12b/0x1a0 [ 438.032332][T32515] check_noncircular+0x296/0x330 [ 438.037251][T32515] ? stack_trace_snprint+0xf0/0xf0 [ 438.042523][T32515] ? add_chain_block+0x940/0x940 [ 438.047617][T32515] ? lockdep_lock+0xf1/0x1f0 [ 438.052320][T32515] ? mark_lock+0x94/0x320 [ 438.056724][T32515] __lock_acquire+0x2c42/0x7d10 [ 438.061907][T32515] ? mark_lock+0x94/0x320 [ 438.066660][T32515] ? verify_lock_unused+0x140/0x140 [ 438.072319][T32515] ? verify_lock_unused+0x140/0x140 [ 438.077527][T32515] lock_acquire+0x19e/0x400 [ 438.082129][T32515] ? team_del_slave+0x2e/0x1e0 [ 438.087178][T32515] ? __might_sleep+0xf0/0xf0 [ 438.091770][T32515] ? read_lock_is_recursive+0x10/0x10 [ 438.097871][T32515] ? __mutex_trylock_common+0x155/0x260 [ 438.103829][T32515] ? team_del_slave+0x2e/0x1e0 [ 438.108683][T32515] __mutex_lock_common+0x1e3/0x2400 [ 438.114376][T32515] ? team_del_slave+0x2e/0x1e0 [ 438.119398][T32515] ? __lock_acquire+0x7d10/0x7d10 [ 438.125214][T32515] ? lockdep_hardirqs_on_prepare+0x770/0x770 [ 438.131291][T32515] ? bond_netdev_event+0xe1/0xee0 [ 438.136320][T32515] ? mutex_lock_io_nested+0x60/0x60 [ 438.141702][T32515] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 438.147342][T32515] ? memset+0x1e/0x40 [ 438.151545][T32515] mutex_lock_nested+0x17/0x20 [ 438.156657][T32515] team_del_slave+0x2e/0x1e0 [ 438.161958][T32515] team_device_event+0x38f/0x9e0 [ 438.167107][T32515] raw_notifier_call_chain+0xcb/0x160 [ 438.172478][T32515] unregister_netdevice_many+0x1049/0x19f0 [ 438.178538][T32515] ? alloc_netdev_mqs+0xc40/0xc40 [ 438.183637][T32515] ? kernfs_remove_by_name_ns+0xd0/0x100 [ 438.189344][T32515] ? __lock_acquire+0x7d10/0x7d10 [ 438.194950][T32515] unregister_netdevice_queue+0x324/0x370 [ 438.201573][T32515] ? list_netdevice+0x450/0x450 [ 438.206415][T32515] _cfg80211_unregister_wdev+0x186/0x500 [ 438.212123][T32515] ieee80211_if_remove+0x1bd/0x2b0 [ 438.217567][T32515] ieee80211_del_iface+0x15/0x20 [ 438.222491][T32515] nl80211_del_interface+0x1ea/0x350 [ 438.228026][T32515] genl_rcv_msg+0xcea/0xf90 [ 438.232521][T32515] ? genl_bind+0x380/0x380 [ 438.237011][T32515] ? __dev_queue_xmit+0x1cbf/0x2f80 [ 438.242284][T32515] ? verify_lock_unused+0x140/0x140 [ 438.247646][T32515] ? dev_queue_xmit+0x20/0x20 [ 438.252497][T32515] ? nl80211_new_interface+0xe40/0xe40 [ 438.257956][T32515] netlink_rcv_skb+0x1f5/0x440 [ 438.262699][T32515] ? genl_bind+0x380/0x380 [ 438.267104][T32515] ? netlink_ack+0xb50/0xb50 [ 438.271945][T32515] ? __lock_acquire+0x7d10/0x7d10 [ 438.277131][T32515] ? down_read+0x1aa/0x2e0 [ 438.281534][T32515] genl_rcv+0x24/0x40 [ 438.285588][T32515] netlink_unicast+0x774/0x920 [ 438.290563][T32515] netlink_sendmsg+0x8ba/0xbe0 [ 438.295430][T32515] ? netlink_getsockopt+0x570/0x570 [ 438.300807][T32515] ? aa_sock_msg_perm+0x94/0x150 [ 438.306016][T32515] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 438.311742][T32515] ? security_socket_sendmsg+0x7c/0xa0 [ 438.317606][T32515] ? netlink_getsockopt+0x570/0x570 [ 438.323071][T32515] ____sys_sendmsg+0x5b7/0x8f0 [ 438.327875][T32515] ? __sys_sendmsg_sock+0x30/0x30 [ 438.333092][T32515] ? import_iovec+0x6f/0xa0 [ 438.337752][T32515] ___sys_sendmsg+0x236/0x2e0 [ 438.343188][T32515] ? __sys_sendmsg+0x2a0/0x2a0 [ 438.348147][T32515] __se_sys_sendmsg+0x1af/0x290 [ 438.353646][T32515] ? __x64_sys_sendmsg+0x80/0x80 [ 438.358767][T32515] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 438.365275][T32515] ? lockdep_hardirqs_on+0x94/0x140 [ 438.371776][T32515] do_syscall_64+0x4c/0xa0 [ 438.376178][T32515] ? clear_bhb_loop+0x30/0x80 [ 438.381446][T32515] ? clear_bhb_loop+0x30/0x80 [ 438.386282][T32515] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 438.392253][T32515] RIP: 0033:0x7f17ff900d19 [ 438.396836][T32515] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48 [ 438.418066][T32515] RSP: 002b:00007fffad7ef648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 438.426832][T32515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17ff900d19 [ 438.434968][T32515] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000007 [ 438.443008][T32515] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fffad7ef6d0 [ 438.451147][T32515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000031 [ 438.459300][T32515] R13: 0000000000000047 R14: 0000000000050012 R15: 0000000000000003 [ 438.467364][T32515] [ 438.502067][T32515] team0: Port device wlan1 removed [ 440.171407][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 440.177973][ T1421] ieee802154 phy1 wpan1: encryption failed: -22