Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. 2020/09/10 21:25:12 parsed 1 programs 2020/09/10 21:25:12 executed programs: 0 [ 48.310703] audit: type=1400 audit(1599773112.158:10): avc: denied { execmem } for pid=5876 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 48.380232] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 48.388738] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 48.402521] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 48.415765] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 48.424968] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 48.426749] IPVS: Creating netns size=2712 id=2 [ 48.426859] IPVS: ftp: loaded support on port[0] = 21 [ 48.443823] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 48.507941] IPVS: Creating netns size=2712 id=3 [ 48.513003] IPVS: ftp: loaded support on port[0] = 21 [ 48.659725] chnl_net:caif_netlink_parms(): no params data found [ 48.661835] IPVS: Creating netns size=2712 id=4 [ 48.661948] IPVS: ftp: loaded support on port[0] = 21 [ 48.872025] IPVS: Creating netns size=2712 id=5 [ 48.883507] IPVS: ftp: loaded support on port[0] = 21 [ 48.960559] chnl_net:caif_netlink_parms(): no params data found [ 49.075909] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.083295] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.092806] device bridge_slave_0 entered promiscuous mode [ 49.119795] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.126881] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.136339] device bridge_slave_1 entered promiscuous mode [ 49.199778] chnl_net:caif_netlink_parms(): no params data found [ 49.216024] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.247513] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.257614] IPVS: Creating netns size=2712 id=6 [ 49.257728] IPVS: ftp: loaded support on port[0] = 21 [ 49.578748] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 49.611046] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.618287] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.627598] device bridge_slave_0 entered promiscuous mode [ 49.649072] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 49.670074] IPVS: Creating netns size=2712 id=7 [ 49.676387] IPVS: ftp: loaded support on port[0] = 21 [ 49.687173] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.693579] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.702754] device bridge_slave_0 entered promiscuous mode [ 49.709998] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.717005] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.726568] device bridge_slave_1 entered promiscuous mode [ 49.742516] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.756209] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.762601] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.772162] device bridge_slave_1 entered promiscuous mode [ 49.798163] chnl_net:caif_netlink_parms(): no params data found [ 49.813665] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.918185] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.976255] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.987446] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.020364] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.066803] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.123322] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.379210] chnl_net:caif_netlink_parms(): no params data found [ 50.480722] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.529290] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.536413] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.548737] device bridge_slave_0 entered promiscuous mode [ 50.557037] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.650342] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.656836] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.667174] device bridge_slave_1 entered promiscuous mode [ 50.710672] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.776105] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.847629] chnl_net:caif_netlink_parms(): no params data found [ 50.864202] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.873116] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.927912] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.972797] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.083139] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.153545] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.246966] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.253705] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.261444] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.272286] device bridge_slave_0 entered promiscuous mode [ 51.292684] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.300945] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.309637] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.318935] device bridge_slave_1 entered promiscuous mode [ 51.375748] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.423880] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.473291] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.563346] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.625587] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.632464] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.639486] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.648606] device bridge_slave_0 entered promiscuous mode [ 51.748582] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.755712] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.765432] device bridge_slave_1 entered promiscuous mode [ 51.901959] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.923295] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.948797] ------------[ cut here ]------------ [ 51.953844] WARNING: CPU: 1 PID: 5879 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 51.961720] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 51.969331] Kernel panic - not syncing: panic_on_warn set ... [ 51.969331] [ 51.976673] CPU: 1 PID: 5879 Comm: syz-executor.0 Not tainted 4.6.0-syzkaller #0 [ 51.984189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.993527] 0000000000000000 ffff8800b067efc8 ffffffff82c65e52 ffffffff85c81040 [ 52.001524] ffff8800b067f0a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 52.009526] ffff8800b067f090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a [ 52.017532] Call Trace: [ 52.020109] [] dump_stack+0x136/0x1d4 [ 52.025532] [] ? sysfs_warn_dup+0x7b/0xa0 [ 52.031315] [] panic+0x1af/0x348 [ 52.036315] [] ? to_vmem_altmap+0x125/0x125 [ 52.042260] [] ? sysfs_warn_dup+0x7b/0xa0 [ 52.048043] [] __warn+0x18d/0x1b0 [ 52.053117] [] warn_slowpath_fmt+0x92/0xb0 [ 52.058973] [] ? __warn+0x1b0/0x1b0 [ 52.064234] [] ? kernfs_path_from_node+0x4a/0x60 [ 52.070631] [] sysfs_warn_dup+0x7b/0xa0 [ 52.076232] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 52.083923] [] sysfs_create_link+0x43/0xb0 [ 52.089805] [] device_add+0x677/0x1350 [ 52.095316] [] ? device_private_init+0x180/0x180 [ 52.101693] [] ? kfree_const+0x1d/0x20 [ 52.107207] [] ? kobject_set_name_vargs+0xb4/0x130 [ 52.113761] [] device_create_groups_vargs+0x1c8/0x220 [ 52.120622] [] device_create+0x88/0xa0 [ 52.126143] [] ? device_create_vargs+0x20/0x20 [ 52.132623] [] ? macvlan_set_mac_address+0x150/0x150 [ 52.139364] [] macvtap_device_event+0x1c4/0x2a0 [ 52.145670] [] notifier_call_chain+0x8b/0x170 [ 52.151801] [] raw_notifier_call_chain+0x11/0x20 [ 52.158182] [] call_netdevice_notifiers_info+0x47/0x80 [ 52.165082] [] register_netdevice+0x8e8/0xd00 [ 52.171214] [] ? netdev_change_features+0x80/0x80 [ 52.177686] [] ? dev_get_nest_level+0x10c/0x1a0 [ 52.183987] [] macvlan_common_newlink+0x8b9/0x1090 [ 52.190546] [] macvtap_newlink+0xbf/0x110 [ 52.196330] [] ? __netlink_ns_capable+0xc7/0xf0 [ 52.202636] [] rtnl_newlink+0xd4b/0x1230 [ 52.208333] [] ? rtnl_link_ops_get+0x5d/0x90 [ 52.214379] [] ? rtnl_newlink+0x319/0x1230 [ 52.220253] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 52.226992] [] ? rtnl_setlink+0x2f0/0x2f0 [ 52.232782] [] ? avc_has_perm_noaudit+0x148/0x270 [ 52.239249] [] ? avc_has_perm_noaudit+0x165/0x270 [ 52.245722] [] ? avc_has_perm_noaudit+0x69/0x270 [ 52.252104] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 52.259105] [] ? cred_has_capability.isra.35+0xe9/0x1d0 [ 52.266092] [] ? __netlink_ns_capable+0xc7/0xf0 [ 52.272397] [] rtnetlink_rcv_msg+0x222/0x680 [ 52.278450] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 52.285279] [] ? rtnetlink_rcv+0x30/0x30 [ 52.290963] [] ? mutex_lock_nested+0x5fd/0xb30 [ 52.297166] [] ? rtnetlink_rcv+0x16/0x30 [ 52.302850] [] ? netlink_seq_start+0xe0/0xe0 [ 52.308880] [] netlink_rcv_skb+0x242/0x350 [ 52.314753] [] ? rtnetlink_rcv+0x30/0x30 [ 52.320435] [] rtnetlink_rcv+0x25/0x30 [ 52.325944] [] netlink_unicast+0x3da/0x560 [ 52.331816] [] ? netlink_sendskb+0x40/0x40 [ 52.337677] [] netlink_sendmsg+0x9bb/0xb40 [ 52.343537] [] ? nlmsg_notify+0xf0/0xf0 [ 52.349137] [] ? selinux_socket_sendmsg+0x3a/0x50 [ 52.355604] [] ? security_socket_sendmsg+0x6a/0xa0 [ 52.362159] [] ? nlmsg_notify+0xf0/0xf0 [ 52.367754] [] sock_sendmsg+0xb5/0xf0 [ 52.373173] [] SyS_sendto+0x1ca/0x290 [ 52.378608] [] ? SyS_getpeername+0x240/0x240 [ 52.384661] [] ? mntput_no_expire+0xce/0x600 [ 52.390701] [] ? mnt_get_count+0x1c0/0x1c0 [ 52.396571] [] ? mntput+0x52/0x70 [ 52.401664] [] ? task_work_run+0x14a/0x200 [ 52.407532] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 52.414347] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 52.420905] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 52.428685] Kernel Offset: disabled