Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. 2020/09/04 20:39:41 parsed 1 programs 2020/09/04 20:39:41 executed programs: 0 [ 41.870351] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 41.878590] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 41.887371] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 41.895379] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 41.904911] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 41.913354] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 41.931678] IPVS: Creating netns size=2712 id=2 [ 41.937542] IPVS: ftp: loaded support on port[0] = 21 [ 42.006797] IPVS: Creating netns size=2712 id=3 [ 42.012051] IPVS: ftp: loaded support on port[0] = 21 [ 42.151214] chnl_net:caif_netlink_parms(): no params data found [ 42.186638] IPVS: Creating netns size=2712 id=4 [ 42.198483] IPVS: ftp: loaded support on port[0] = 21 [ 42.366916] chnl_net:caif_netlink_parms(): no params data found [ 42.437668] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.444469] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.455126] device bridge_slave_0 entered promiscuous mode [ 42.455432] IPVS: Creating netns size=2712 id=5 [ 42.455545] IPVS: ftp: loaded support on port[0] = 21 [ 42.474899] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.481672] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.490461] device bridge_slave_1 entered promiscuous mode [ 42.674895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.704589] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.804358] IPVS: Creating netns size=2712 id=6 [ 42.809216] IPVS: ftp: loaded support on port[0] = 21 [ 42.844432] chnl_net:caif_netlink_parms(): no params data found [ 42.895976] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.902991] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.912628] device bridge_slave_0 entered promiscuous mode [ 42.963965] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.970547] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.980061] device bridge_slave_1 entered promiscuous mode [ 43.081577] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 43.125548] batman_adv: Unable to register the batman interface 'batadv0': -12 [ 43.161604] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.170654] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.178668] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.224694] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.262276] chnl_net:caif_netlink_parms(): no params data found [ 43.281656] IPVS: Creating netns size=2712 id=7 [ 43.286472] IPVS: ftp: loaded support on port[0] = 21 [ 43.366896] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.405698] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.662705] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.669756] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.680400] device bridge_slave_0 entered promiscuous mode [ 43.709566] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.726059] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.732866] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.742525] device bridge_slave_1 entered promiscuous mode [ 43.768716] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.776776] chnl_net:caif_netlink_parms(): no params data found [ 43.929276] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.940404] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.968746] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.976080] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.985194] device bridge_slave_0 entered promiscuous mode [ 44.034465] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.043076] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.052245] device bridge_slave_1 entered promiscuous mode [ 44.158192] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.210151] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.219658] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.295905] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.468865] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.483221] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.517412] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.593330] chnl_net:caif_netlink_parms(): no params data found [ 44.744732] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.752109] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.762252] device bridge_slave_0 entered promiscuous mode [ 44.770224] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.798662] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.808093] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.818043] device bridge_slave_1 entered promiscuous mode [ 44.826877] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.911899] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.960122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.982422] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.068818] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.198128] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.252687] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.310034] ------------[ cut here ]------------ [ 45.314982] WARNING: CPU: 1 PID: 5888 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x7b/0xa0 [ 45.324148] sysfs: cannot create duplicate filename '/class/macvtap/tap50' [ 45.332886] Kernel panic - not syncing: panic_on_warn set ... [ 45.332886] [ 45.340433] CPU: 1 PID: 5888 Comm: syz-executor.2 Not tainted 4.6.0-syzkaller #0 [ 45.348234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.357625] 0000000000000000 ffff8800b9926fc8 ffffffff82c65e52 ffffffff85c81040 [ 45.365771] ffff8800b99270a0 ffffffff85d2bb80 ffffffff8191bd7b 0000000000000009 [ 45.373942] ffff8800b9927090 ffffffff8160d884 0000000041b58ab3 ffffffff868f8c5a [ 45.382589] Call Trace: [ 45.385194] [] dump_stack+0x136/0x1d4 [ 45.390720] [] ? sysfs_warn_dup+0x7b/0xa0 [ 45.396596] [] panic+0x1af/0x348 [ 45.401987] [] ? to_vmem_altmap+0x125/0x125 [ 45.407945] [] ? sysfs_warn_dup+0x7b/0xa0 [ 45.413886] [] __warn+0x18d/0x1b0 [ 45.418995] [] warn_slowpath_fmt+0x92/0xb0 [ 45.425356] [] ? __warn+0x1b0/0x1b0 [ 45.430833] [] ? kernfs_path_from_node+0x4a/0x60 [ 45.437447] [] sysfs_warn_dup+0x7b/0xa0 [ 45.443202] [] sysfs_do_create_link_sd.isra.0+0xd1/0xf0 [ 45.450835] [] sysfs_create_link+0x43/0xb0 [ 45.456888] [] device_add+0x677/0x1350 [ 45.462887] [] ? device_private_init+0x180/0x180 [ 45.469370] [] ? kfree_const+0x1d/0x20 [ 45.475572] [] ? kobject_set_name_vargs+0xb4/0x130 [ 45.483319] [] device_create_groups_vargs+0x1c8/0x220 [ 45.491609] [] device_create+0x88/0xa0 [ 45.497400] [] ? device_create_vargs+0x20/0x20 [ 45.503867] [] ? macvlan_set_mac_address+0x150/0x150 [ 45.512624] [] macvtap_device_event+0x1c4/0x2a0 [ 45.519200] [] notifier_call_chain+0x8b/0x170 [ 45.525859] [] raw_notifier_call_chain+0x11/0x20 [ 45.533540] [] call_netdevice_notifiers_info+0x47/0x80 [ 45.541933] [] register_netdevice+0x8e8/0xd00 [ 45.549979] [] ? netdev_change_features+0x80/0x80 [ 45.557592] [] ? dev_get_nest_level+0x10c/0x1a0 [ 45.564195] [] macvlan_common_newlink+0x8b9/0x1090 [ 45.570929] [] macvtap_newlink+0xbf/0x110 [ 45.577164] [] ? __netlink_ns_capable+0xc7/0xf0 [ 45.583521] [] rtnl_newlink+0xd4b/0x1230 [ 45.589351] [] ? rtnl_link_ops_get+0x5d/0x90 [ 45.595737] [] ? rtnl_newlink+0x319/0x1230 [ 45.602131] [] ? rtnl_setlink+0x2f0/0x2f0 [ 45.611262] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 45.618133] [] ? __lock_acquire+0x1673/0x5990 [ 45.624830] [] ? update_blocked_averages+0x8f7/0x1540 [ 45.632607] [] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 45.639700] [] ? __netlink_ns_capable+0xc7/0xf0 [ 45.646141] [] rtnetlink_rcv_msg+0x222/0x680 [ 45.653578] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 45.661613] [] ? rtnetlink_rcv+0x30/0x30 [ 45.667722] [] ? mutex_lock_nested+0x5fd/0xb30 [ 45.674193] [] ? rtnetlink_rcv+0x16/0x30 [ 45.680071] [] ? netlink_seq_start+0xe0/0xe0 [ 45.686572] [] netlink_rcv_skb+0x242/0x350 [ 45.692872] [] ? rtnetlink_rcv+0x30/0x30 [ 45.698721] [] rtnetlink_rcv+0x25/0x30 [ 45.704470] [] netlink_unicast+0x3da/0x560 [ 45.710630] [] ? netlink_sendskb+0x40/0x40 [ 45.716675] [] netlink_sendmsg+0x9bb/0xb40 [ 45.722802] [] ? nlmsg_notify+0xf0/0xf0 [ 45.729486] [] ? __might_fault+0xf1/0x1b0 [ 45.735568] [] ? nlmsg_notify+0xf0/0xf0 [ 45.745238] [] sock_sendmsg+0xb5/0xf0 [ 45.750763] [] SyS_sendto+0x1ca/0x290 [ 45.756640] [] ? SyS_getpeername+0x240/0x240 [ 45.763029] [] ? mntput_no_expire+0xce/0x600 [ 45.769263] [] ? mnt_get_count+0x1c0/0x1c0 [ 45.775268] [] ? mntput+0x52/0x70 [ 45.780484] [] ? task_work_run+0x14a/0x200 [ 45.786798] [] ? trace_hardirqs_on_caller+0x49e/0x5c0 [ 45.793781] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 45.800404] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 45.808764] Kernel Offset: disabled