Warning: Permanently added '10.128.1.142' (ED25519) to the list of known hosts. 2025/10/20 22:22:44 ignoring optional flag "type"="gce" 2025/10/20 22:22:45 parsed 1 programs [ 86.814241][ T1326] cfg80211: failed to load regulatory.db 2025/10/20 22:22:47 executed programs: 0 [ 88.464073][ T4458] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 88.620970][ T4513] chnl_net:caif_netlink_parms(): no params data found [ 88.665438][ T4513] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.673176][ T4513] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.680952][ T4513] device bridge_slave_0 entered promiscuous mode [ 88.690374][ T4513] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.697739][ T4513] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.705929][ T4513] device bridge_slave_1 entered promiscuous mode [ 88.727807][ T4513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.739354][ T4513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.764683][ T4513] team0: Port device team_slave_0 added [ 88.773100][ T4513] team0: Port device team_slave_1 added [ 88.793614][ T4513] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.801091][ T4513] 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. [ 88.828287][ T4513] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.840720][ T4513] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.847992][ T4513] 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. [ 88.874945][ T4513] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.907074][ T4513] device hsr_slave_0 entered promiscuous mode [ 88.914656][ T4513] device hsr_slave_1 entered promiscuous mode [ 89.420891][ T4513] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.432491][ T4513] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.443714][ T4513] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.456290][ T4513] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.483585][ T4513] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.491074][ T4513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.498530][ T4513] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.505690][ T4513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.562795][ T4513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 89.578101][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 89.587802][ T1229] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.597174][ T1229] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.607941][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 89.625034][ T4513] 8021q: adding VLAN 0 to HW filter on device team0 [ 89.639375][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 89.649637][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 89.660068][ T1229] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.667238][ T1229] bridge0: port 1(bridge_slave_0) entered forwarding state [ 89.686427][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 89.701920][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 89.710579][ T1229] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.717827][ T1229] bridge0: port 2(bridge_slave_1) entered forwarding state [ 89.729819][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.753247][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 89.764016][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 89.774796][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 89.785107][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 89.795143][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 89.804713][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 89.814340][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 89.828089][ T4513] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 89.840434][ T4513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 89.851872][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 89.860858][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 89.869548][ T1229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 89.996061][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.004748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.018237][ T4513] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.046279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.056125][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.079592][ T727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.089975][ T727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.100523][ T727] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.109869][ T727] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.119666][ T4513] device veth0_vlan entered promiscuous mode [ 90.133081][ T4513] device veth1_vlan entered promiscuous mode [ 90.156439][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.165059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.175683][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.187409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.198624][ T4513] device veth0_macvtap entered promiscuous mode [ 90.210544][ T4513] device veth1_macvtap entered promiscuous mode [ 90.230596][ T4513] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.238989][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.248239][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.256748][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 90.267272][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 90.279384][ T4513] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.288118][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 90.296875][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 90.308962][ T4513] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.318281][ T4513] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.327980][ T4513] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.337399][ T4513] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 90.582273][ T1326] Bluetooth: hci0: command 0x0409 tx timeout [ 91.001286][ T4642] [ 91.004013][ T4642] ============================================ [ 91.010275][ T4642] WARNING: possible recursive locking detected [ 91.016458][ T4642] syzkaller #0 Not tainted [ 91.020896][ T4642] -------------------------------------------- [ 91.027273][ T4642] syz-executor.0/4642 is trying to acquire lock: [ 91.033899][ T4642] ffff8880253bf098 (_xmit_ETHER#2){+.-.}-{2:2}, at: __dev_queue_xmit+0x1438/0x2ed0 [ 91.043278][ T4642] [ 91.043278][ T4642] but task is already holding lock: [ 91.050664][ T4642] ffff888021edf898 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x156/0x4a0 [ 91.059896][ T4642] [ 91.059896][ T4642] other info that might help us debug this: [ 91.067979][ T4642] Possible unsafe locking scenario: [ 91.067979][ T4642] [ 91.075710][ T4642] CPU0 [ 91.079097][ T4642] ---- [ 91.082478][ T4642] lock(_xmit_ETHER#2); [ 91.086757][ T4642] lock(_xmit_ETHER#2); [ 91.091118][ T4642] [ 91.091118][ T4642] *** DEADLOCK *** [ 91.091118][ T4642] [ 91.099371][ T4642] May be due to missing lock nesting notation [ 91.099371][ T4642] [ 91.107881][ T4642] 10 locks held by syz-executor.0/4642: [ 91.113541][ T4642] #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 91.123121][ T4642] #1: ffffffff8c11c780 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 [ 91.133066][ T4642] #2: ffffffff8c11c780 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 [ 91.142778][ T4642] #3: ffff888066c64258 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}-{2:2}, at: __dev_queue_xmit+0x10b9/0x2ed0 [ 91.155262][ T4642] #4: ffff888021edf898 (_xmit_ETHER#2){+.-.}-{2:2}, at: sch_direct_xmit+0x156/0x4a0 [ 91.164980][ T4642] #5: ffff88802ad0f4a0 (k-slock-AF_INET6){+...}-{2:2}, at: icmp6_send+0xa93/0x16e0 [ 91.174895][ T4642] #6: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 91.184337][ T4642] #7: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 [ 91.194232][ T4642] #8: ffffffff8c11c780 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 [ 91.203954][ T4642] #9: ffffffff8c11c780 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30 [ 91.213742][ T4642] [ 91.213742][ T4642] stack backtrace: [ 91.219770][ T4642] CPU: 1 PID: 4642 Comm: syz-executor.0 Not tainted syzkaller #0 [ 91.227518][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 91.237613][ T4642] Call Trace: [ 91.240916][ T4642] [ 91.243961][ T4642] dump_stack_lvl+0x168/0x230 [ 91.248781][ T4642] ? show_regs_print_info+0x20/0x20 [ 91.254275][ T4642] ? load_image+0x3b0/0x3b0 [ 91.258824][ T4642] __lock_acquire+0x1227/0x7c60 [ 91.263811][ T4642] ? __lock_acquire+0x289d/0x7c60 [ 91.269046][ T4642] ? verify_lock_unused+0x140/0x140 [ 91.274377][ T4642] ? skb_network_protocol+0x501/0x740 [ 91.279883][ T4642] ? verify_lock_unused+0x140/0x140 [ 91.285416][ T4642] ? validate_xmit_xfrm+0xb7/0xff0 [ 91.290738][ T4642] ? mark_lock+0x94/0x320 [ 91.295151][ T4642] ? rcu_lock_release+0x20/0x20 [ 91.300090][ T4642] lock_acquire+0x197/0x3f0 [ 91.304803][ T4642] ? __dev_queue_xmit+0x1438/0x2ed0 [ 91.310423][ T4642] ? validate_xmit_skb+0x7b3/0xe30 [ 91.315629][ T4642] ? read_lock_is_recursive+0x10/0x10 [ 91.321161][ T4642] ? validate_xmit_skb_list+0x120/0x120 [ 91.326862][ T4642] ? lock_chain_count+0x20/0x20 [ 91.331759][ T4642] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.338145][ T4642] _raw_spin_lock+0x2a/0x40 [ 91.342681][ T4642] ? __dev_queue_xmit+0x1438/0x2ed0 [ 91.348003][ T4642] __dev_queue_xmit+0x1438/0x2ed0 [ 91.353180][ T4642] ? dev_queue_xmit+0x20/0x20 [ 91.357925][ T4642] ? eth_header+0x117/0x200 [ 91.362462][ T4642] ? llc_sysctl_exit+0x60/0x60 [ 91.367260][ T4642] ? neigh_resolve_output+0x5d7/0x6a0 [ 91.372776][ T4642] ip6_finish_output2+0x1070/0x1500 [ 91.378279][ T4642] ? nf_hook+0x350/0x350 [ 91.382646][ T4642] ? ip6_finish_output+0x64c/0x7d0 [ 91.387805][ T4642] ip6_send_skb+0x1b9/0x360 [ 91.392346][ T4642] icmp6_send+0x113e/0x16e0 [ 91.396902][ T4642] ? icmpv6_push_pending_frames+0x450/0x450 [ 91.403130][ T4642] ? __local_bh_enable_ip+0xcb/0x1b0 [ 91.408453][ T4642] ? __local_bh_enable_ip+0x12a/0x1b0 [ 91.413990][ T4642] ? ip6_neigh_lookup+0x36e/0x440 [ 91.419149][ T4642] ? rt6_uncached_list_del+0x200/0x200 [ 91.424746][ T4642] ip6_link_failure+0x35/0x490 [ 91.429539][ T4642] ip_tunnel_xmit+0xea1/0x2240 [ 91.434619][ T4642] ? verify_lock_unused+0x140/0x140 [ 91.439982][ T4642] ? skb_network_protocol+0x501/0x740 [ 91.445665][ T4642] ? ip4_dst_hoplimit+0x2a0/0x2a0 [ 91.450748][ T4642] ? gre_build_header+0x25b/0x8c0 [ 91.455903][ T4642] erspan_xmit+0x9d5/0x15a0 [ 91.460725][ T4642] dev_hard_start_xmit+0x2a5/0x7e0 [ 91.466088][ T4642] sch_direct_xmit+0x24e/0x4a0 [ 91.470988][ T4642] ? mrp_pdu_append_vecattr_event+0x1590/0x1590 [ 91.477531][ T4642] ? lock_chain_get_class+0xb0/0xb0 [ 91.482767][ T4642] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.488912][ T4642] __dev_queue_xmit+0x170e/0x2ed0 [ 91.493984][ T4642] ? dev_queue_xmit+0x20/0x20 [ 91.498871][ T4642] ? eth_header+0x117/0x200 [ 91.503427][ T4642] ? llc_sysctl_exit+0x60/0x60 [ 91.508244][ T4642] ? neigh_resolve_output+0x5d7/0x6a0 [ 91.513652][ T4642] ip6_finish_output2+0x1070/0x1500 [ 91.518913][ T4642] ? nf_hook+0x350/0x350 [ 91.523191][ T4642] ? ip6_finish_output+0x64c/0x7d0 [ 91.528513][ T4642] rawv6_send_hdrinc+0xdb0/0x16c0 [ 91.533906][ T4642] ? rawv6_probe_proto_opt+0x300/0x300 [ 91.539597][ T4642] ? rcu_lock_release+0x20/0x20 [ 91.544665][ T4642] ? fl6_sock_lookup+0xc0/0xc0 [ 91.549482][ T4642] rawv6_sendmsg+0x1143/0x1710 [ 91.554379][ T4642] ? lockdep_hardirqs_on+0x94/0x140 [ 91.559608][ T4642] ? compat_rawv6_ioctl+0x60/0x60 [ 91.564870][ T4642] ? aa_af_perm+0x2b0/0x2b0 [ 91.569408][ T4642] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 91.575866][ T4642] ? sock_rps_record_flow+0x17/0x3b0 [ 91.581288][ T4642] ? inet_send_prepare+0x260/0x260 [ 91.586434][ T4642] ? inet_sendmsg+0x78/0x2f0 [ 91.591141][ T4642] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 91.596808][ T4642] ? security_socket_sendmsg+0x7c/0xa0 [ 91.602400][ T4642] ? inet_send_prepare+0x260/0x260 [ 91.607998][ T4642] ____sys_sendmsg+0x5a2/0x8c0 [ 91.612888][ T4642] ? memset+0x1e/0x40 [ 91.616956][ T4642] ? __sys_sendmsg_sock+0x30/0x30 [ 91.622021][ T4642] ? import_iovec+0x6f/0xa0 [ 91.626800][ T4642] ___sys_sendmsg+0x1f0/0x260 [ 91.631529][ T4642] ? __sys_sendmsg+0x250/0x250 [ 91.636424][ T4642] ? futex_wake+0x49f/0x530 [ 91.641146][ T4642] ? __fdget+0x18b/0x210 [ 91.645466][ T4642] __sys_sendmmsg+0x27c/0x4a0 [ 91.650298][ T4642] ? __ia32_sys_sendmsg+0x80/0x80 [ 91.655445][ T4642] ? __context_tracking_exit+0x4c/0x80 [ 91.660986][ T4642] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.667182][ T4642] ? lock_chain_count+0x20/0x20 [ 91.672069][ T4642] ? vtime_user_exit+0x2dc/0x400 [ 91.677050][ T4642] __x64_sys_sendmmsg+0x9c/0xb0 [ 91.681935][ T4642] do_syscall_64+0x4c/0xa0 [ 91.686392][ T4642] ? clear_bhb_loop+0x30/0x80 [ 91.691107][ T4642] ? clear_bhb_loop+0x30/0x80 [ 91.695815][ T4642] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.701763][ T4642] RIP: 0033:0x7fc4d1058da9 [ 91.706222][ T4642] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 91.726129][ T4642] RSP: 002b:00007fc4d03d90c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 91.734755][ T4642] RAX: ffffffffffffffda RBX: 00007fc4d1186f80 RCX: 00007fc4d1058da9 [ 91.742762][ T4642] RDX: 0000000000000002 RSI: 0000000020001e80 RDI: 0000000000000005 [ 91.751035][ T4642] RBP: 00007fc4d10a547a R08: 0000000000000000 R09: 0000000000000000 [ 91.759035][ T4642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 91.767039][ T4642] R13: 000000000000000b R14: 00007fc4d1186f80 R15: 00007ffd71f745d8 [ 91.775145][ T4642] [ 92.651744][ T1326] Bluetooth: hci0: command 0x041b tx timeout 2025/10/20 22:22:52 executed programs: 94 [ 94.735643][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 96.811343][ T7] Bluetooth: hci0: command 0x0419 tx timeout 2025/10/20 22:22:57 executed programs: 359