Warning: Permanently added '10.128.0.181' (ECDSA) to the list of known hosts. syzkaller login: [ 35.906656][ T24] audit: type=1400 audit(1597600832.967:8): avc: denied { execmem } for pid=6466 comm="syz-executor106" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.112820][ T6469] IPVS: ftp: loaded support on port[0] = 21 [ 43.138114][ T6469] chnl_net:caif_netlink_parms(): no params data found [ 43.223095][ T6469] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.230328][ T6469] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.237549][ T6469] device bridge_slave_0 entered promiscuous mode [ 43.244595][ T6469] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.251781][ T6469] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.258942][ T6469] device bridge_slave_1 entered promiscuous mode [ 43.268946][ T6469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.278576][ T6469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.291013][ T6469] team0: Port device team_slave_0 added [ 43.296991][ T6469] team0: Port device team_slave_1 added [ 43.305751][ T6469] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.312859][ T6469] 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. [ 43.338974][ T6469] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.349947][ T6469] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.356858][ T6469] 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. [ 43.382980][ T6469] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.398516][ T6469] device hsr_slave_0 entered promiscuous mode [ 43.404875][ T6469] device hsr_slave_1 entered promiscuous mode [ 43.431396][ T6469] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 43.439131][ T6469] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 43.448704][ T6469] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 43.457034][ T6469] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 43.468618][ T6469] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.475651][ T6469] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.482879][ T6469] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.489898][ T6469] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.506671][ T6469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.515196][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.523309][ T32] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.530685][ T32] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.537924][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.546337][ T6469] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.554279][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.562753][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.569805][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.584078][ T6469] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 43.594447][ T6469] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.605449][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.613941][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.620978][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.628430][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.636498][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.644572][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.652568][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.664282][ T6469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.671210][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 43.678508][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 43.686047][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.693520][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.707756][ T6469] device veth0_vlan entered promiscuous mode [ 43.714191][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.722839][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.730817][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.738120][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.747024][ T6469] device veth1_vlan entered promiscuous mode [ 43.753916][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 43.765761][ T6469] device veth0_macvtap entered promiscuous mode [ 43.772428][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 43.780278][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.788274][ T6096] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 43.796707][ T6469] device veth1_macvtap entered promiscuous mode [ 43.806554][ T6469] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 43.813991][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.824588][ T6469] batman_adv: batadv0: Interface activated: batadv_slave_1 executing program [ 43.831952][ T2800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.841049][ T6469] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.849930][ T6469] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.858583][ T6469] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.867383][ T6469] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 43.907374][ T6690] device vlan2 entered promiscuous mode [ 43.912938][ T6690] device batadv0 entered promiscuous mode [ 43.918856][ T6690] device batadv0 left promiscuous mode executing program [ 49.404156][ T6695] device vlan2 entered promiscuous mode [ 49.410793][ T6695] device batadv0 entered promiscuous mode [ 49.416755][ T6695] device batadv0 left promiscuous mode [ 50.588237][ T6469] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 53.168034][ T0] NOHZ: local_softirq_pending 08 BUG: memory leak unreferenced object 0xffff888115ab8380 (size 64): comm "syz-executor106", pid 6690, jiffies 4294941665 (age 13.120s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 08 00 00 00 01 02 0b 00 ................ backtrace: [<00000000817a0460>] garp_request_join+0x119/0x200 [<000000005c0b1da9>] vlan_gvrp_request_join+0x85/0x90 [<000000001b4c1f23>] vlan_dev_open+0x14e/0x260 [<00000000663f5d64>] __dev_open+0x12e/0x1f0 [<000000006aa12213>] __dev_change_flags+0x25a/0x2e0 [<00000000accb94f7>] rtnl_configure_link+0x51/0x100 [<00000000d8075028>] __rtnl_newlink+0x90d/0xbc0 [<00000000f717df8c>] rtnl_newlink+0x49/0x70 [<0000000053d2724b>] rtnetlink_rcv_msg+0x17e/0x460 [<00000000195d5e8c>] netlink_rcv_skb+0x5b/0x180 [<00000000570c9130>] netlink_unicast+0x2b6/0x3c0 [<0000000059e717da>] netlink_sendmsg+0x2ba/0x570 [<0000000005632115>] sock_sendmsg+0x4c/0x60 [<00000000d9153d07>] ____sys_sendmsg+0x2c4/0x2f0 [<00000000e708f909>] ___sys_sendmsg+0x81/0xc0 [<00000000ca212b7b>] __sys_sendmsg+0x77/0xe0