Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. [ 45.510911] random: sshd: uninitialized urandom read (32 bytes read) [ 45.631928] audit: type=1400 audit(1581595296.144:36): avc: denied { map } for pid=7400 comm="syz-executor151" path="/root/syz-executor151313613" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.880901] IPVS: ftp: loaded support on port[0] = 21 [ 46.640644] chnl_net:caif_netlink_parms(): no params data found [ 46.684574] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.691081] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.698182] device bridge_slave_0 entered promiscuous mode [ 46.705625] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.712296] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.719178] device bridge_slave_1 entered promiscuous mode [ 46.733395] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.742172] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.758172] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.765758] team0: Port device team_slave_0 added [ 46.771422] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.778417] team0: Port device team_slave_1 added [ 46.791456] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 46.797710] 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. [ 46.822954] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 46.834064] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 46.840403] 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. [ 46.866102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 46.876591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.885606] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.931785] device hsr_slave_0 entered promiscuous mode [ 46.970332] device hsr_slave_1 entered promiscuous mode [ 47.010694] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.017803] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.068191] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.074655] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.081534] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.087890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.116348] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 47.123387] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.131889] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.140945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.159718] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.167282] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.178482] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.184802] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.193097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.200763] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.207104] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.221993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.229595] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.236102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.243508] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.251592] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.261400] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.273186] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.284488] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.294917] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.301207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.308818] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.316830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.328715] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 47.336146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.343462] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.354624] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.412151] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 47.422005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.455675] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 47.463867] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 47.470840] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 47.479397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.487219] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.494189] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.502672] device veth0_vlan entered promiscuous mode [ 47.512759] device veth1_vlan entered promiscuous mode [ 47.518664] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 47.527029] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 47.537642] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 47.548274] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 47.555493] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 47.562964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.572945] device veth0_macvtap entered promiscuous mode [ 47.579017] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 47.587119] device veth1_macvtap entered promiscuous mode [ 47.595704] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 47.604798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 47.614131] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 47.623446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.642248] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 47.649831] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 47.659239] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 47.666400] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 47.673563] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.681539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 47.840291] BUG: spinlock recursion on CPU#1, syz-executor151/7401 [ 47.846659] lock: 0xffff8880906e5de8, .magic: dead4ead, .owner: syz-executor151/7401, .owner_cpu: 1 [ 47.856059] CPU: 1 PID: 7401 Comm: syz-executor151 Not tainted 4.14.170-syzkaller #0 [ 47.863943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.873280] Call Trace: [ 47.875852] dump_stack+0x142/0x197 [ 47.879463] spin_dump.cold+0x56/0xa6 [ 47.883253] ? dev_mc_sync+0x115/0x1d0 [ 47.887124] do_raw_spin_lock+0x1e3/0x240 [ 47.891266] _raw_spin_lock_nested+0x3d/0x50 [ 47.895653] ? dev_mc_sync+0x115/0x1d0 [ 47.899543] dev_mc_sync+0x115/0x1d0 [ 47.903239] ? vlan_dev_set_mac_address+0x600/0x600 [ 47.908309] vlan_dev_set_rx_mode+0x3f/0x80 [ 47.912622] __dev_set_rx_mode+0x1a8/0x2b0 [ 47.916845] dev_uc_unsync+0x181/0x1d0 [ 47.920715] bond_hw_addr_flush+0x67/0xf0 [ 47.924842] ? bond_set_dev_addr.isra.0+0xb0/0xb0 [ 47.929673] ? vlan_vids_del_by_dev+0x12c/0x1b0 [ 47.934328] bond_enslave+0x1f1d/0x4c70 [ 47.938285] ? bond_update_slave_arr+0x720/0x720 [ 47.943088] ? rtmsg_ifinfo_event.part.0+0xa6/0xc0 [ 47.948005] ? __dev_notify_flags+0x13a/0x240 [ 47.952503] ? dev_change_name+0x990/0x990 [ 47.956723] ? register_vlan_dev+0x470/0x6a0 [ 47.961115] ? bond_update_slave_arr+0x720/0x720 [ 47.965861] do_set_master+0x19f/0x200 [ 47.969733] rtnl_newlink+0x12ed/0x1700 [ 47.973691] ? rtnl_link_unregister+0x200/0x200 [ 47.978347] ? avc_has_perm_noaudit+0x2b2/0x420 [ 47.983031] ? lock_acquire+0x16f/0x430 [ 47.987103] ? rtnetlink_rcv_msg+0x339/0xb70 [ 47.992461] ? rtnl_link_unregister+0x200/0x200 [ 47.997121] rtnetlink_rcv_msg+0x3da/0xb70 [ 48.001430] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 48.005992] ? netlink_deliver_tap+0x93/0x8f0 [ 48.011187] netlink_rcv_skb+0x14f/0x3c0 [ 48.015228] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 48.019800] ? lock_downgrade+0x740/0x740 [ 48.024088] ? netlink_ack+0x9a0/0x9a0 [ 48.028002] ? netlink_deliver_tap+0xba/0x8f0 [ 48.032482] rtnetlink_rcv+0x1d/0x30 [ 48.036186] netlink_unicast+0x44d/0x650 [ 48.040232] ? netlink_attachskb+0x6a0/0x6a0 [ 48.044630] ? security_netlink_send+0x81/0xb0 [ 48.049202] netlink_sendmsg+0x7c4/0xc60 [ 48.053248] ? netlink_unicast+0x650/0x650 [ 48.057464] ? security_socket_sendmsg+0x89/0xb0 [ 48.062211] ? netlink_unicast+0x650/0x650 [ 48.066484] sock_sendmsg+0xce/0x110 [ 48.070182] ___sys_sendmsg+0x70a/0x840 [ 48.074250] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 48.078986] ? __might_fault+0x110/0x1d0 [ 48.083035] ? find_held_lock+0x35/0x130 [ 48.087081] ? __might_fault+0x110/0x1d0 [ 48.091172] ? lock_downgrade+0x740/0x740 [ 48.096090] ? kasan_check_read+0x11/0x20 [ 48.100233] ? _copy_to_user+0x87/0xd0 [ 48.104117] ? move_addr_to_user+0x94/0x1a0 [ 48.108479] ? __fget_light+0x172/0x1f0 [ 48.112438] ? __fdget+0x1b/0x20 [ 48.115814] ? sockfd_lookup_light+0xb4/0x160 [ 48.120306] __sys_sendmsg+0xb9/0x140 [ 48.124095] ? SyS_shutdown+0x170/0x170 [ 48.128047] ? fd_install+0x4d/0x60 [ 48.131665] SyS_sendmsg+0x2d/0x50 [ 48.135193] ? __sys_sendmsg+0x140/0x140 [ 48.139236] do_syscall_64+0x1e8/0x640 [ 48.143104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.147940] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.153140] RIP: 0033:0x4435a9 [ 48.156333] RSP: 002b:00007ffc0d24aca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 48.164061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004435a9 [ 48.171321] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000010 [ 48.178608] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 48.185927] R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000000000 [ 48.193368] R13: 0000000000404930 R14: 0000000000000000 R15: 0000000000000000