Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. [ 33.097207] IPVS: ftp: loaded support on port[0] = 21 [ 33.167195] chnl_net:caif_netlink_parms(): no params data found [ 33.276846] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.283575] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.290620] device bridge_slave_0 entered promiscuous mode [ 33.298295] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.305035] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.311953] device bridge_slave_1 entered promiscuous mode [ 33.329614] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 33.338307] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 33.356353] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 33.364630] team0: Port device team_slave_0 added [ 33.370010] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 33.377983] team0: Port device team_slave_1 added [ 33.392860] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 33.399244] 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. [ 33.425124] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 33.436912] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 33.443725] 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. [ 33.469429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 33.483840] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 33.491202] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 33.510520] device hsr_slave_0 entered promiscuous mode [ 33.516310] device hsr_slave_1 entered promiscuous mode [ 33.522324] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 33.530273] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 33.594859] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.601249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.608020] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.614417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.642313] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 33.648853] 8021q: adding VLAN 0 to HW filter on device bond0 [ 33.658584] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 33.668006] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.676251] bridge0: port 1(bridge_slave_0) entered disabled state [ 33.683848] bridge0: port 2(bridge_slave_1) entered disabled state [ 33.690745] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 33.702309] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 33.708883] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.717739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 33.726104] bridge0: port 1(bridge_slave_0) entered blocking state [ 33.732432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 33.741676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 33.749572] bridge0: port 2(bridge_slave_1) entered blocking state [ 33.755953] bridge0: port 2(bridge_slave_1) entered forwarding state [ 33.774190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 33.781816] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 33.789739] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 33.800346] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 33.808084] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 33.817362] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 33.823597] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 33.836512] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 33.844841] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 33.851511] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 33.862633] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 33.896339] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 33.907752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 33.941716] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 33.949410] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 33.956803] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 33.966667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 33.974737] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 33.981569] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 33.991589] device veth0_vlan entered promiscuous mode [ 33.999872] device veth1_vlan entered promiscuous mode [ 34.006715] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 34.015126] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 34.026810] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 34.035870] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 34.044775] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 34.051957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 34.061185] device veth0_macvtap entered promiscuous mode [ 34.067707] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 34.075714] device veth1_macvtap entered promiscuous mode [ 34.084927] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 34.093955] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 34.104167] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 34.110813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 34.119369] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 34.129372] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 34.136305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 34.227902] [ 34.229535] ============================================ [ 34.234961] WARNING: possible recursive locking detected [ 34.240471] 4.19.211-syzkaller #0 Not tainted [ 34.244942] -------------------------------------------- [ 34.250366] syz-executor615/8086 is trying to acquire lock: [ 34.256056] 0000000040af8281 (rtnl_mutex){+.+.}, at: hsr_dev_destroy+0x1b/0xb0 [ 34.263412] [ 34.263412] but task is already holding lock: [ 34.269446] 0000000040af8281 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 [ 34.277137] [ 34.277137] other info that might help us debug this: [ 34.283779] Possible unsafe locking scenario: [ 34.283779] [ 34.289812] CPU0 [ 34.292373] ---- [ 34.294931] lock(rtnl_mutex); [ 34.298186] lock(rtnl_mutex); [ 34.301443] [ 34.301443] *** DEADLOCK *** [ 34.301443] [ 34.307484] May be due to missing lock nesting notation [ 34.307484] [ 34.314387] 1 lock held by syz-executor615/8086: [ 34.319116] #0: 0000000040af8281 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 [ 34.327244] [ 34.327244] stack backtrace: [ 34.331723] CPU: 1 PID: 8086 Comm: syz-executor615 Not tainted 4.19.211-syzkaller #0 [ 34.339585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022 [ 34.348917] Call Trace: [ 34.351487] dump_stack+0x1fc/0x2ef [ 34.355096] __lock_acquire.cold+0x121/0x57e [ 34.359487] ? enable_ptr_key_workfn+0x30/0x30 [ 34.364047] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 34.369215] ? mark_held_locks+0xf0/0xf0 [ 34.373253] ? vsscanf+0x1ec/0x25a0 [ 34.376856] ? vsnprintf+0x2cc/0x14f0 [ 34.380639] ? pointer+0x850/0x850 [ 34.384158] ? mark_held_locks+0xa6/0xf0 [ 34.388200] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 34.393283] lock_acquire+0x170/0x3c0 [ 34.397064] ? hsr_dev_destroy+0x1b/0xb0 [ 34.401102] ? hsr_dev_destroy+0x1b/0xb0 [ 34.405140] __mutex_lock+0xd7/0x1190 [ 34.408920] ? hsr_dev_destroy+0x1b/0xb0 [ 34.412963] ? full_name_hash+0xb5/0xf0 [ 34.416919] ? hsr_dev_destroy+0x1b/0xb0 [ 34.420957] ? mutex_trylock+0x1a0/0x1a0 [ 34.424993] ? dev_alloc_name_ns+0x390/0x440 [ 34.429378] ? dev_valid_name+0x220/0x220 [ 34.433503] ? ip6_route_dev_notify+0xd7/0xcd0 [ 34.438073] ? hsr_dev_close+0x10/0x10 [ 34.441938] hsr_dev_destroy+0x1b/0xb0 [ 34.445804] ? hsr_dev_close+0x10/0x10 [ 34.449672] register_netdevice+0x901/0x10f0 [ 34.454066] ? unregister_netdev+0x20/0x20 [ 34.458276] ? hsr_get_max_mtu+0x1d0/0x2a0 [ 34.462490] ? hsr_add_port+0x4e9/0x6a0 [ 34.466443] hsr_dev_finalize+0x4f5/0x770 [ 34.470573] hsr_newlink+0x27d/0x3e0 [ 34.474267] ? hsr_fill_info+0x590/0x590 [ 34.478308] ? rtnl_create_link+0x145/0xa40 [ 34.482607] ? hsr_fill_info+0x590/0x590 [ 34.486649] rtnl_newlink+0x1030/0x15c0 [ 34.490605] ? rtnl_getlink+0x620/0x620 [ 34.494561] ? mark_held_locks+0xf0/0xf0 [ 34.498602] ? unwind_next_frame+0xeee/0x1400 [ 34.503075] ? __save_stack_trace+0x72/0x190 [ 34.507460] ? deref_stack_reg+0x134/0x1d0 [ 34.511691] ? get_reg+0x176/0x1f0 [ 34.515211] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 34.521070] ? deref_stack_reg+0x1d0/0x1d0 [ 34.525280] ? is_bpf_text_address+0xd5/0x1b0 [ 34.529756] ? lock_downgrade+0x720/0x720 [ 34.533881] ? lock_acquire+0x170/0x3c0 [ 34.537833] ? __bpf_address_lookup+0x330/0x330 [ 34.542485] ? check_preemption_disabled+0x41/0x280 [ 34.547483] ? is_bpf_text_address+0xfc/0x1b0 [ 34.551958] ? kernel_text_address+0xbd/0xf0 [ 34.556345] ? __kernel_text_address+0x9/0x30 [ 34.560820] ? unwind_get_return_address+0x51/0x90 [ 34.565730] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.571077] ? __save_stack_trace+0xaf/0x190 [ 34.575467] ? __lock_acquire+0x6de/0x3ff0 [ 34.579682] ? __kasan_slab_free+0x186/0x1f0 [ 34.584072] ? kmem_cache_free+0x7f/0x260 [ 34.588200] ? kfree_skbmem+0xc1/0x140 [ 34.592061] ? consume_skb+0x120/0x3d0 [ 34.595928] ? mark_held_locks+0xf0/0xf0 [ 34.599969] ? netlink_deliver_tap+0x8fb/0xb00 [ 34.604529] ? netlink_unicast+0x545/0x690 [ 34.608741] ? netlink_sendmsg+0x6c3/0xc50 [ 34.612959] ? sock_sendmsg+0xc3/0x120 [ 34.616825] ? ___sys_sendmsg+0x7bb/0x8e0 [ 34.620951] ? __x64_sys_sendmsg+0x132/0x220 [ 34.625335] ? do_syscall_64+0xf9/0x620 [ 34.629288] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.634636] ? mutex_trylock+0x1a0/0x1a0 [ 34.638677] ? check_preemption_disabled+0x41/0x280 [ 34.643670] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 34.648056] ? rtnl_getlink+0x620/0x620 [ 34.652005] rtnetlink_rcv_msg+0x453/0xb80 [ 34.656219] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.660694] ? memcpy+0x35/0x50 [ 34.663948] ? netdev_pick_tx+0x2f0/0x2f0 [ 34.668071] ? __copy_skb_header+0x414/0x500 [ 34.672456] ? kfree_skbmem+0x140/0x140 [ 34.676408] netlink_rcv_skb+0x160/0x440 [ 34.680448] ? rtnl_calcit.isra.0+0x430/0x430 [ 34.684920] ? netlink_ack+0xae0/0xae0 [ 34.688787] netlink_unicast+0x4d5/0x690 [ 34.692826] ? netlink_sendskb+0x110/0x110 [ 34.697040] ? _copy_from_iter_full+0x229/0x7c0 [ 34.701690] ? __phys_addr_symbol+0x2c/0x70 [ 34.705988] ? __check_object_size+0x17b/0x3e0 [ 34.710549] netlink_sendmsg+0x6c3/0xc50 [ 34.714588] ? aa_af_perm+0x230/0x230 [ 34.718366] ? nlmsg_notify+0x1f0/0x1f0 [ 34.722315] ? kernel_recvmsg+0x220/0x220 [ 34.726438] ? nlmsg_notify+0x1f0/0x1f0 [ 34.730390] sock_sendmsg+0xc3/0x120 [ 34.734079] ___sys_sendmsg+0x7bb/0x8e0 [ 34.738032] ? copy_msghdr_from_user+0x440/0x440 [ 34.742766] ? lock_downgrade+0x720/0x720 [ 34.746891] ? sock_ioctl+0x30e/0x5d0 [ 34.750670] ? __might_fault+0x11f/0x1d0 [ 34.754710] ? dlci_ioctl_set+0x30/0x30 [ 34.758662] ? lock_downgrade+0x720/0x720 [ 34.762790] ? lock_acquire+0x170/0x3c0 [ 34.766743] ? __might_fault+0xef/0x1d0 [ 34.770699] ? dlci_ioctl_set+0x30/0x30 [ 34.774651] ? do_vfs_ioctl+0x110/0x12e0 [ 34.778695] ? _copy_to_user+0xb8/0x100 [ 34.782644] ? ioctl_preallocate+0x200/0x200 [ 34.787031] ? move_addr_to_user+0x190/0x1d0 [ 34.791416] ? __fdget+0x1a0/0x230 [ 34.794933] __x64_sys_sendmsg+0x132/0x220 [ 34.799145] ? __sys_sendmsg+0x1b0/0x1b0 [ 34.803184] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 34.808525] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.813520] ? do_syscall_64+0x21/0x620 [ 34.817473] do_syscall_64+0xf9/0x620 [ 34.821255] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.826421] RIP: 0033:0x7fcd4279e939 [ 34.830115] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 34.848998] RSP: 002b:00007fffba0402a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.856697] RAX: ffffffffffffffda RBX: 00007fffba0402b8 RCX: 00007fcd4279e939 [ 34.863952] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005 [ 34.871205] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 34.878459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffba0402c0 [ 34.885705] R13: 00007fffba0402e0 R14: 0000000000000000 R15: 0000000000000000