Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts. [ 37.343382][ T6411] chnl_net:caif_netlink_parms(): no params data found [ 37.371806][ T6411] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.373518][ T6411] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.375088][ T6411] bridge_slave_0: entered allmulticast mode [ 37.376938][ T6411] bridge_slave_0: entered promiscuous mode [ 37.380044][ T6411] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.381545][ T6411] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.383691][ T6411] bridge_slave_1: entered allmulticast mode [ 37.385373][ T6411] bridge_slave_1: entered promiscuous mode [ 37.396192][ T6411] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.400097][ T6411] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.410612][ T6411] team0: Port device team_slave_0 added [ 37.413470][ T6411] team0: Port device team_slave_1 added [ 37.422753][ T6411] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.424240][ T6411] 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. [ 37.429621][ T6411] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.433706][ T6411] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.435174][ T6411] 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. [ 37.440445][ T6411] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.494651][ T6411] hsr_slave_0: entered promiscuous mode [ 37.533154][ T6411] hsr_slave_1: entered promiscuous mode [ 37.636092][ T6411] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 37.639544][ T6411] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 37.643261][ T6411] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 37.647033][ T6411] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 37.660364][ T6411] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.661957][ T6411] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.664104][ T6411] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.665574][ T6411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.691488][ T6411] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.699253][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.701692][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.710137][ T6411] 8021q: adding VLAN 0 to HW filter on device team0 [ 37.716447][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.718160][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 37.722449][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.724198][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 37.740288][ T6411] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 37.742559][ T6411] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 37.757430][ T6411] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 37.775610][ T6411] veth0_vlan: entered promiscuous mode [ 37.780079][ T6411] veth1_vlan: entered promiscuous mode [ 37.791834][ T6411] veth0_macvtap: entered promiscuous mode [ 37.796454][ T6411] veth1_macvtap: entered promiscuous mode [ 37.803157][ T6411] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 37.808467][ T6411] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 37.811989][ T6411] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.814395][ T6411] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.816156][ T6411] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 37.818045][ T6411] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 37.848608][ T6420] bridge0: port 3(hsr0) entered blocking state [ 37.850091][ T6420] bridge0: port 3(hsr0) entered disabled state [ 37.851466][ T6420] hsr0: entered allmulticast mode [ 37.852527][ T6420] hsr_slave_0: entered allmulticast mode [ 37.854872][ T6420] hsr_slave_1: entered allmulticast mode [ 37.856656][ T6420] hsr0: entered promiscuous mode [ 37.857925][ T6420] bridge0: port 3(hsr0) entered blocking state [ 37.859298][ T6420] bridge0: port 3(hsr0) entered forwarding state [ 37.861316][ T6420] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 37.914443][ T6420] bridge0: entered promiscuous mode [ 37.953021][ T6420] bond0: entered promiscuous mode [ 37.954114][ T6420] bond_slave_0: entered promiscuous mode [ 37.955422][ T6420] bond_slave_1: entered promiscuous mode executing program [ 38.123112][ T2257] executing program [ 38.123657][ T2257] ============================================ [ 38.124935][ T2257] WARNING: possible recursive locking detected [ 38.126254][ T2257] 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 Not tainted [ 38.127750][ T2257] -------------------------------------------- [ 38.129121][ T2257] kworker/0:2/2257 is trying to acquire lock: [ 38.130425][ T2257] ffff0000dcf8ef30 (&hsr->seqnr_lock){+.-.}-{3:3}, at: hsr_dev_xmit+0x164/0x204 [ 38.132368][ T2257] [ 38.132368][ T2257] but task is already holding lock: [ 38.133904][ T2257] ffff0000c3fbef30 (&hsr->seqnr_lock){+.-.}-{3:3}, at: hsr_dev_xmit+0x164/0x204 [ 38.135895][ T2257] [ 38.135895][ T2257] other info that might help us debug this: [ 38.137716][ T2257] Possible unsafe locking scenario: [ 38.137716][ T2257] [ 38.139295][ T2257] CPU0 [ 38.139993][ T2257] ---- [ 38.140686][ T2257] lock(&hsr->seqnr_lock); [ 38.141686][ T2257] lock(&hsr->seqnr_lock); [ 38.142644][ T2257] [ 38.142644][ T2257] *** DEADLOCK *** [ 38.142644][ T2257] [ 38.144404][ T2257] May be due to missing lock nesting notation [ 38.144404][ T2257] [ 38.146219][ T2257] 11 locks held by kworker/0:2/2257: [ 38.147350][ T2257] #0: ffff0000d1ec3148 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work+0x60c/0x15cc [ 38.149498][ T2257] #1: ffff8000a15d7c20 ((work_completion)(&(&idev->mc_ifc_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6a4/0x15cc [ 38.152281][ T2257] #2: ffff0000c72cb538 (&idev->mc_lock){+.+.}-{4:4}, at: mld_ifc_work+0x3c/0xd0c [ 38.154413][ T2257] #3: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c [ 38.156578][ T2257] #4: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x18/0x54 [ 38.158669][ T2257] #5: ffff80008fb831c0 (rcu_read_lock_bh){....}-{1:3}, at: rcu_lock_acquire+0x18/0x54 [ 38.160819][ T2257] #6: ffff0000c3fbef30 (&hsr->seqnr_lock){+.-.}-{3:3}, at: hsr_dev_xmit+0x164/0x204 [ 38.162898][ T2257] #7: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c [ 38.164939][ T2257] #8: ffff80008fb831c0 (rcu_read_lock_bh){....}-{1:3}, at: rcu_lock_acquire+0x18/0x54 [ 38.167092][ T2257] #9: ffff80008fb83160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x10/0x4c [ 38.169204][ T2257] #10: ffff80008fb831c0 (rcu_read_lock_bh){....}-{1:3}, at: rcu_lock_acquire+0x18/0x54 [ 38.171393][ T2257] [ 38.171393][ T2257] stack backtrace: [ 38.172766][ T2257] CPU: 0 UID: 0 PID: 2257 Comm: kworker/0:2 Not tainted 6.13.0-rc7-syzkaller-g1950a0af2d55 #0 [ 38.174964][ T2257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 38.177149][ T2257] Workqueue: mld mld_ifc_work [ 38.178187][ T2257] Call trace: [ 38.178885][ T2257] show_stack+0x2c/0x3c (C) [ 38.179911][ T2257] dump_stack_lvl+0xe4/0x150 [ 38.180864][ T2257] dump_stack+0x1c/0x28 [ 38.181776][ T2257] print_deadlock_bug+0x4e8/0x668 [ 38.182881][ T2257] __lock_acquire+0x6240/0x7904 [ 38.184031][ T2257] lock_acquire+0x23c/0x724 [ 38.185026][ T2257] _raw_spin_lock_bh+0x48/0x60 [ 38.186098][ T2257] hsr_dev_xmit+0x164/0x204 [ 38.187139][ T2257] dev_hard_start_xmit+0x274/0x904 [ 38.188326][ T2257] __dev_queue_xmit+0x1680/0x35b4 [ 38.189409][ T2257] br_dev_queue_push_xmit+0x5a4/0x758 [ 38.190665][ T2257] NF_HOOK+0x35c/0x408 [ 38.191623][ T2257] br_forward_finish+0xd4/0x11c [ 38.192629][ T2257] NF_HOOK+0x35c/0x408 [ 38.193671][ T2257] __br_forward+0x2f0/0x45c [ 38.194731][ T2257] maybe_deliver+0xc8/0x178 [ 38.195805][ T2257] br_flood+0x28c/0x5c4 [ 38.196715][ T2257] br_dev_xmit+0xe38/0x1670 [ 38.197732][ T2257] dev_hard_start_xmit+0x274/0x904 [ 38.198860][ T2257] __dev_queue_xmit+0x1680/0x35b4 [ 38.199980][ T2257] hsr_forward_skb+0x1224/0x2264 [ 38.201131][ T2257] hsr_dev_xmit+0x170/0x204 [ 38.202164][ T2257] dev_hard_start_xmit+0x274/0x904 [ 38.203299][ T2257] __dev_queue_xmit+0x1680/0x35b4 [ 38.204407][ T2257] neigh_connected_output+0x344/0x3d8 [ 38.205641][ T2257] ip6_finish_output2+0x16bc/0x214c [ 38.206848][ T2257] ip6_finish_output+0x428/0x7c4 [ 38.208016][ T2257] ip6_output+0x274/0x598 [ 38.209030][ T2257] NF_HOOK+0x160/0x4f0 [ 38.210002][ T2257] mld_sendpack+0x7b8/0x10f8 [ 38.211068][ T2257] mld_ifc_work+0x840/0xd0c [ 38.212108][ T2257] process_one_work+0x7a8/0x15cc [ 38.213254][ T2257] worker_thread+0x97c/0xeec [ 38.214293][ T2257] kthread+0x288/0x310 [ 38.215219][ T2257] ret_from_fork+0x10/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program