Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. 2020/12/25 22:52:58 parsed 1 programs 2020/12/25 22:52:58 executed programs: 0 [ 39.400455] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 39.414723] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 39.426164] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 39.435450] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 39.441764] IPVS: Creating netns size=2712 id=2 [ 39.441853] IPVS: ftp: loaded support on port[0] = 21 [ 39.458153] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 39.471083] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 39.518702] IPVS: Creating netns size=2712 id=3 [ 39.523761] IPVS: ftp: loaded support on port[0] = 21 [ 39.634694] chnl_net:caif_netlink_parms(): no params data found [ 39.635121] IPVS: Creating netns size=2712 id=4 [ 39.635349] IPVS: ftp: loaded support on port[0] = 21 [ 39.799777] IPVS: Creating netns size=2712 id=5 [ 39.807812] IPVS: ftp: loaded support on port[0] = 21 [ 39.855349] chnl_net:caif_netlink_parms(): no params data found [ 39.946340] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.954185] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.962163] device bridge_slave_0 entered promiscuous mode [ 39.984844] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.991220] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.999440] device bridge_slave_1 entered promiscuous mode [ 40.010041] chnl_net:caif_netlink_parms(): no params data found [ 40.054140] IPVS: Creating netns size=2712 id=6 [ 40.058932] IPVS: ftp: loaded support on port[0] = 21 [ 40.101888] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.146253] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.345117] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.351875] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.360857] device bridge_slave_0 entered promiscuous mode [ 40.374040] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.381118] IPVS: Creating netns size=2712 id=7 [ 40.381201] IPVS: ftp: loaded support on port[0] = 21 [ 40.398741] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.408156] device bridge_slave_0 entered promiscuous mode [ 40.428305] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.434761] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.443824] device bridge_slave_1 entered promiscuous mode [ 40.455133] chnl_net:caif_netlink_parms(): no params data found [ 40.470835] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.477337] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.485721] device bridge_slave_1 entered promiscuous mode [ 40.492900] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 40.544764] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 40.591893] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.600892] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.610094] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.631773] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.639835] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.660780] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.814904] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.822678] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.928896] chnl_net:caif_netlink_parms(): no params data found [ 41.028056] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.036227] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.044636] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.051103] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.059462] device bridge_slave_0 entered promiscuous mode [ 41.086035] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.093323] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.114591] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.120944] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.129877] device bridge_slave_1 entered promiscuous mode [ 41.264161] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.316079] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.349879] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.364970] chnl_net:caif_netlink_parms(): no params data found [ 41.377280] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.385599] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.393380] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.479504] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.486528] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.495754] device bridge_slave_0 entered promiscuous mode [ 41.551613] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.560873] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.569556] device bridge_slave_1 entered promiscuous mode [ 41.596960] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.686419] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.695269] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.723617] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.736368] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.887237] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.894308] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.902866] device bridge_slave_0 entered promiscuous mode [ 41.910054] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.916731] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.924595] device bridge_slave_1 entered promiscuous mode [ 41.958394] ------------[ cut here ]------------ [ 41.963627] WARNING: CPU: 0 PID: 7873 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 41.971917] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 41.979021] Kernel panic - not syncing: panic_on_warn set ... [ 41.979021] [ 41.986357] CPU: 0 PID: 7873 Comm: syz-executor.3 Not tainted 4.6.0-syzkaller #0 [ 41.993877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.003218] 0000000000000000 ffff8800b43e6fc8 ffffffff82dab352 ffffffff8667aec0 [ 42.011252] ffff8800b43e70a0 ffffffff8672c8c0 ffffffff818db72b 0000000000000009 [ 42.020113] ffff8800b43e7090 ffffffff815c7a54 0000000041b58ab3 ffffffff8778e903 [ 42.028106] Call Trace: [ 42.030678] [] dump_stack+0x136/0x1d4 [ 42.036226] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.042050] [] panic+0x1af/0x348 [ 42.047039] [] ? to_vmem_altmap+0x125/0x125 [ 42.052983] [] ? sysfs_warn_dup+0x7b/0xa0 [ 42.058754] [] __warn+0x18d/0x1b0 [ 42.063836] [] warn_slowpath_fmt+0x92/0xb0 [ 42.069965] [] ? __warn+0x1b0/0x1b0 [ 42.075217] [] ? kernfs_path_from_node+0x4a/0x60 [ 42.081640] [] sysfs_warn_dup+0x7b/0xa0 [ 42.087240] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 42.094223] [] sysfs_create_link+0x43/0xb0 [ 42.100082] [] device_add+0x6a1/0x1400 [ 42.105591] [] ? device_private_init+0x180/0x180 [ 42.111969] [] ? kfree_const+0x1d/0x20 [ 42.117479] [] ? kobject_set_name_vargs+0xb4/0x130 [ 42.124031] [] device_create_groups_vargs+0x1c8/0x220 [ 42.130840] [] device_create+0x88/0xa0 [ 42.136347] [] ? device_create_vargs+0x20/0x20 [ 42.142555] [] ? macvlan_set_mac_address+0x150/0x150 [ 42.149276] [] macvtap_device_event+0x1c4/0x2a0 [ 42.155567] [] notifier_call_chain+0x8b/0x170 [ 42.161687] [] raw_notifier_call_chain+0x11/0x20 [ 42.168071] [] call_netdevice_notifiers_info+0x47/0x80 [ 42.174968] [] register_netdevice+0x8e8/0xd00 [ 42.181234] [] ? netdev_change_features+0x80/0x80 [ 42.187710] [] ? dev_get_nest_level+0x10c/0x1a0 [ 42.194280] [] macvlan_common_newlink+0x8b9/0x1090 [ 42.200830] [] macvtap_newlink+0xbf/0x110 [ 42.206615] [] ? __netlink_ns_capable+0xc7/0xf0 [ 42.212909] [] rtnl_newlink+0xd4b/0x1230 [ 42.218618] [] ? rtnl_link_ops_get+0x5d/0x90 [ 42.224664] [] ? rtnl_newlink+0x319/0x1230 [ 42.230518] [] ? load_balance+0x967/0x1ee0 [ 42.236377] [] ? rtnl_setlink+0x2f0/0x2f0 [ 42.242156] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 42.248879] [] ? __lock_acquire+0x15c3/0x5990 [ 42.255006] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 42.261993] [] ? __netlink_ns_capable+0xc7/0xf0 [ 42.268283] [] rtnetlink_rcv_msg+0x222/0x680 [ 42.274317] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 42.282340] [] ? rtnetlink_rcv+0x30/0x30 [ 42.288037] [] ? mutex_lock_nested+0x5fd/0xb30 [ 42.294244] [] ? rtnetlink_rcv+0x16/0x30 [ 42.299931] [] ? netlink_seq_start+0xe0/0xe0 [ 42.305963] [] netlink_rcv_skb+0x242/0x350 [ 42.311822] [] ? rtnetlink_rcv+0x30/0x30 [ 42.317506] [] rtnetlink_rcv+0x25/0x30 [ 42.323031] [] netlink_unicast+0x3da/0x560 [ 42.328895] [] ? netlink_sendskb+0x40/0x40 [ 42.334779] [] netlink_sendmsg+0x9bb/0xb40 [ 42.340648] [] ? nlmsg_notify+0xf0/0xf0 [ 42.346353] [] ? __might_fault+0xf1/0x1b0 [ 42.352132] [] ? nlmsg_notify+0xf0/0xf0 [ 42.357729] [] sock_sendmsg+0xb5/0xf0 [ 42.363230] [] SyS_sendto+0x1ca/0x290 [ 42.368670] [] ? SyS_getpeername+0x240/0x240 [ 42.374710] [] ? mntput_no_expire+0xce/0x600 [ 42.380741] [] ? mnt_get_count+0x1c0/0x1c0 [ 42.386598] [] ? mntput+0x52/0x70 [ 42.391680] [] ? task_work_run+0x14a/0x200 [ 42.397789] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 42.404607] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 42.412673] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 42.420299] Kernel Offset: disabled