[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 28.262441][ T8659] bash (8659) used greatest stack depth: 10168 bytes left Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. 2020/08/19 21:26:06 fuzzer started 2020/08/19 21:26:06 dialing manager at 10.128.0.105:46423 2020/08/19 21:26:06 syscalls: 3274 2020/08/19 21:26:06 code coverage: enabled 2020/08/19 21:26:06 comparison tracing: enabled 2020/08/19 21:26:06 extra coverage: enabled 2020/08/19 21:26:06 setuid sandbox: enabled 2020/08/19 21:26:06 namespace sandbox: enabled 2020/08/19 21:26:06 Android sandbox: /sys/fs/selinux/policy does not exist 2020/08/19 21:26:06 fault injection: enabled 2020/08/19 21:26:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/08/19 21:26:06 net packet injection: enabled 2020/08/19 21:26:06 net device setup: enabled 2020/08/19 21:26:06 concurrency sanitizer: enabled 2020/08/19 21:26:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/08/19 21:26:06 USB emulation: enabled 2020/08/19 21:26:06 hci packet injection: enabled 2020/08/19 21:26:11 suppressing KCSAN reports in functions: 'do_sys_poll' 'lru_add_drain_all' 'fuse_get_req' 'do_nanosleep' '__mpage_writepage' 'ext4_writepages' 'alloc_pid' 'generic_write_end' 'pcpu_alloc' '__filemap_fdatawrite_range' 'blk_mq_sched_dispatch_requests' 'shmem_unlink' '__delayacct_blkio_end' 'io_sq_thread' 'ext4_mb_good_group' 'ext4_mb_regular_allocator' 'path_noexec' 'xas_find_marked' 'ext4_ext_insert_extent' '__writeback_single_inode' 'audit_log_start' 'ext4_free_inode' 'lookup_fast' '__es_shrink' 'kauditd_thread' 'futex_wait_queue_me' 'do_select' 'blk_mq_dispatch_rq_list' 'kcm_rfree' 'wbt_wait' 'snd_rawmidi_poll' '__add_to_page_cache_locked' 'step_into' 'blk_mq_rq_ctx_init' 'exit_mm' 'ext4_mark_iloc_dirty' 'tick_sched_timer' '__xa_clear_mark' 'expire_timers' 'shmem_getpage_gfp' '__blkdev_put' 'find_get_pages_range_tag' 'do_syslog' 'ondemand_readahead' 'filemap_map_pages' '__mod_timer' 'dd_has_work' 'generic_file_buffered_read' '__ext4_update_other_inode_time' '__ext4_new_inode' 'snd_rawmidi_transmit' 'fsnotify' 'n_tty_receive_char_inline' 'ext4_free_inodes_count' 'n_tty_receive_buf_common' 21:27:38 executing program 0: 21:27:38 executing program 1: 21:27:38 executing program 2: 21:27:38 executing program 3: 21:27:38 executing program 4: 21:27:38 executing program 5: [ 127.141217][ T8706] IPVS: ftp: loaded support on port[0] = 21 [ 127.232106][ T8706] chnl_net:caif_netlink_parms(): no params data found [ 127.265847][ T8706] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.305124][ T8706] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.313072][ T8706] device bridge_slave_0 entered promiscuous mode [ 127.321062][ T8706] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.328240][ T8706] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.335600][ T8706] device bridge_slave_1 entered promiscuous mode [ 127.350253][ T8708] IPVS: ftp: loaded support on port[0] = 21 [ 127.351763][ T8706] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 127.367367][ T8706] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 127.393665][ T8706] team0: Port device team_slave_0 added [ 127.401687][ T8706] team0: Port device team_slave_1 added [ 127.421244][ T8706] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 127.453668][ T8706] 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. [ 127.479656][ T8706] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 127.491497][ T8706] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 127.498552][ T8706] 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. [ 127.524654][ T8706] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 127.544453][ T8710] IPVS: ftp: loaded support on port[0] = 21 [ 127.552632][ T8706] device hsr_slave_0 entered promiscuous mode [ 127.559462][ T8706] device hsr_slave_1 entered promiscuous mode [ 127.639925][ T8708] chnl_net:caif_netlink_parms(): no params data found [ 127.670950][ T8712] IPVS: ftp: loaded support on port[0] = 21 [ 127.744825][ T8706] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 127.767607][ T8708] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.794669][ T8708] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.807394][ T8708] device bridge_slave_0 entered promiscuous mode [ 127.814623][ T8706] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 127.828578][ T8714] IPVS: ftp: loaded support on port[0] = 21 [ 127.845992][ T8708] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.857373][ T8708] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.864920][ T8708] device bridge_slave_1 entered promiscuous mode [ 127.872666][ T8706] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 127.882351][ T8706] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 127.890917][ T8710] chnl_net:caif_netlink_parms(): no params data found [ 127.954015][ T8716] IPVS: ftp: loaded support on port[0] = 21 [ 127.993323][ T8708] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.005158][ T8706] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.020841][ T8706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.028224][ T8706] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.035263][ T8706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.057191][ T8708] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.084921][ T8710] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.092139][ T8710] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.099855][ T8710] device bridge_slave_0 entered promiscuous mode [ 128.108857][ T8710] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.115999][ T8710] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.124069][ T8710] device bridge_slave_1 entered promiscuous mode [ 128.139717][ T8708] team0: Port device team_slave_0 added [ 128.161875][ T8712] chnl_net:caif_netlink_parms(): no params data found [ 128.170907][ T8708] team0: Port device team_slave_1 added [ 128.190593][ T8708] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.197729][ T8708] 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. [ 128.225093][ T8708] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 128.242701][ T8714] chnl_net:caif_netlink_parms(): no params data found [ 128.252327][ T8710] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.261762][ T8708] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 128.268881][ T8708] 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. [ 128.295378][ T8708] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.324483][ T8710] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.334445][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.342651][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.375243][ T8710] team0: Port device team_slave_0 added [ 128.392466][ T8712] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.399981][ T8712] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.407333][ T8712] device bridge_slave_0 entered promiscuous mode [ 128.422005][ T8710] team0: Port device team_slave_1 added [ 128.438483][ T8708] device hsr_slave_0 entered promiscuous mode [ 128.445977][ T8708] device hsr_slave_1 entered promiscuous mode [ 128.452940][ T8708] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 128.462327][ T8708] Cannot create hsr debugfs directory [ 128.474805][ T8712] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.482474][ T8712] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.490492][ T8712] device bridge_slave_1 entered promiscuous mode [ 128.511587][ T8710] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.521505][ T8710] 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. [ 128.548180][ T8710] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 128.562718][ T8710] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 128.570278][ T8710] 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. [ 128.596864][ T8710] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.621362][ T8714] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.629391][ T8714] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.636985][ T8714] device bridge_slave_0 entered promiscuous mode [ 128.646735][ T8714] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.654306][ T8714] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.662422][ T8714] device bridge_slave_1 entered promiscuous mode [ 128.695875][ T8712] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.706729][ T8712] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.718118][ T8710] device hsr_slave_0 entered promiscuous mode [ 128.724618][ T8710] device hsr_slave_1 entered promiscuous mode [ 128.731673][ T8710] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 128.739922][ T8710] Cannot create hsr debugfs directory [ 128.749486][ T8716] chnl_net:caif_netlink_parms(): no params data found [ 128.781694][ T8714] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.791510][ T8712] team0: Port device team_slave_0 added [ 128.800859][ T8714] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.830973][ T8712] team0: Port device team_slave_1 added [ 128.864972][ T8706] 8021q: adding VLAN 0 to HW filter on device bond0 [ 128.888302][ T8714] team0: Port device team_slave_0 added [ 128.895777][ T8714] team0: Port device team_slave_1 added [ 128.904575][ T8708] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 128.918199][ T8708] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 128.928055][ T8708] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 128.943495][ T8708] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 128.952346][ T8712] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.963343][ T8712] 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. [ 128.989562][ T8712] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.004300][ T8712] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.011609][ T8712] 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. [ 129.039037][ T8712] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.053174][ T8716] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.061109][ T8716] bridge0: port 1(bridge_slave_0) entered disabled state [ 129.068926][ T8716] device bridge_slave_0 entered promiscuous mode [ 129.077615][ T8716] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.085427][ T8716] bridge0: port 2(bridge_slave_1) entered disabled state [ 129.093381][ T8716] device bridge_slave_1 entered promiscuous mode [ 129.106524][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 129.114235][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 129.143618][ T8714] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 129.151044][ T8714] 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. [ 129.177964][ T8714] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.178582][ T5] Bluetooth: hci0: command 0x0409 tx timeout [ 129.190811][ T8714] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.202317][ T8714] 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. [ 129.228775][ T8714] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.241436][ T8710] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 129.251530][ T8706] 8021q: adding VLAN 0 to HW filter on device team0 [ 129.266125][ T8712] device hsr_slave_0 entered promiscuous mode [ 129.272669][ T8712] device hsr_slave_1 entered promiscuous mode [ 129.279460][ T8712] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 129.287018][ T8712] Cannot create hsr debugfs directory [ 129.302092][ T8710] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 129.311806][ T8716] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 129.323035][ T8716] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 129.336236][ T8714] device hsr_slave_0 entered promiscuous mode [ 129.343144][ T50] Bluetooth: hci1: command 0x0409 tx timeout [ 129.349463][ T8714] device hsr_slave_1 entered promiscuous mode [ 129.355824][ T8714] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 129.363616][ T8714] Cannot create hsr debugfs directory [ 129.369964][ T8710] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 129.402153][ T8710] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 129.430617][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 129.439615][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 129.448338][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.455430][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 129.463464][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 129.472091][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 129.480433][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.487522][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 129.495359][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 129.497878][ T5] Bluetooth: hci2: command 0x0409 tx timeout [ 129.516853][ T8706] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 129.527380][ T8706] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 129.558636][ T8716] team0: Port device team_slave_0 added [ 129.564689][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 129.577536][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 129.586498][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 129.596885][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 129.605479][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 129.615539][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 129.623793][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 129.632234][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 129.640550][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 129.648921][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 129.656980][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 129.667553][ T8716] team0: Port device team_slave_1 added [ 129.673636][ T51] Bluetooth: hci3: command 0x0409 tx timeout [ 129.695128][ T8706] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 129.714099][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 129.721982][ T5086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 129.753036][ T8712] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 129.762007][ T8712] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 129.777408][ T8716] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 129.785621][ T8716] 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. [ 129.811878][ T8716] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 129.822537][ T5086] Bluetooth: hci4: command 0x0409 tx timeout [ 129.832272][ T8716] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 129.840619][ T8716] 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. [ 129.871413][ T8716] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 129.888108][ T8712] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 129.907864][ T8714] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 129.923984][ T8712] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 129.932757][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 129.941669][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 129.959229][ T8714] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 129.969043][ T8716] device hsr_slave_0 entered promiscuous mode [ 129.978774][ T8716] device hsr_slave_1 entered promiscuous mode [ 129.985188][ T8716] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 129.993346][ T5086] Bluetooth: hci5: command 0x0409 tx timeout [ 129.999483][ T8716] Cannot create hsr debugfs directory [ 130.011973][ T8710] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.020592][ T8714] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 130.029455][ T8714] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 130.038922][ T8708] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.046442][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 130.057403][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 130.066388][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 130.075879][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 130.086196][ T8706] device veth0_vlan entered promiscuous mode [ 130.110523][ T8710] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.124340][ T8706] device veth1_vlan entered promiscuous mode [ 130.133079][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 130.142685][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.151286][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.159726][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.167526][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.201533][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.210380][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.219605][ T50] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.226713][ T50] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.235179][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.243911][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.252447][ T50] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.259503][ T50] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.270744][ T8708] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.306218][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 130.316011][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 130.324277][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.334339][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.343258][ T9312] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.350326][ T9312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.359682][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.368115][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.376304][ T9312] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.383364][ T9312] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.391404][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 130.400584][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.432097][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 130.440189][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 130.449142][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 130.457499][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 130.466863][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 130.475415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 130.484492][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 130.493497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 130.502067][ T8706] device veth0_macvtap entered promiscuous mode [ 130.513640][ T8706] device veth1_macvtap entered promiscuous mode [ 130.537696][ T8714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.544790][ T8716] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 130.555580][ T8716] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 130.568308][ T8712] 8021q: adding VLAN 0 to HW filter on device bond0 [ 130.575346][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 130.583334][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 130.591842][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 130.600539][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 130.608978][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 130.617417][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 130.625942][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 130.634752][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 130.643266][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 130.651511][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 130.659764][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 130.668017][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 130.676515][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 130.689095][ T8710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 130.698443][ T8716] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 130.708349][ T8716] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 130.727629][ T8706] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 130.735376][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 130.743242][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 130.751651][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 130.759799][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 130.768625][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 130.778734][ T8708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 130.796389][ T8712] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.820109][ T8710] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 130.827697][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.836499][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.844381][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 130.852135][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 130.860390][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 130.868037][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 130.876513][ T8706] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 130.885938][ T8714] 8021q: adding VLAN 0 to HW filter on device team0 [ 130.908055][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 130.916620][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 130.926894][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 130.935611][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 130.945509][ T51] bridge0: port 1(bridge_slave_0) entered blocking state [ 130.952568][ T51] bridge0: port 1(bridge_slave_0) entered forwarding state [ 130.961748][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 130.970229][ T51] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 130.979883][ T51] bridge0: port 2(bridge_slave_1) entered blocking state [ 130.986983][ T51] bridge0: port 2(bridge_slave_1) entered forwarding state [ 130.997294][ T8706] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.008135][ T8706] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.016849][ T8706] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.027562][ T8706] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 131.052400][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 131.060901][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.070008][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 131.077434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 131.085247][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 131.094034][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 131.102873][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 131.117855][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 131.126299][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 131.135741][ T9312] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.142837][ T9312] bridge0: port 1(bridge_slave_0) entered forwarding state [ 131.150757][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 131.159328][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 131.167545][ T9312] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.174619][ T9312] bridge0: port 2(bridge_slave_1) entered forwarding state [ 131.182422][ T9312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 131.191990][ T50] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 131.210766][ T8710] device veth0_vlan entered promiscuous mode [ 131.223695][ T8706] ================================================================== [ 131.232005][ T8706] BUG: KCSAN: data-race in ip_tunnel_get_stats64 / udp_tunnel6_xmit_skb [ 131.240302][ T8706] [ 131.242607][ T8706] write to 0xffffe8ffffd4f1b8 of 8 bytes by task 5086 on cpu 1: [ 131.250218][ T8706] udp_tunnel6_xmit_skb+0x38b/0x4b0 [ 131.255407][ T8706] send6+0x2d7/0x3a0 [ 131.259434][ T8706] wg_socket_send_skb_to_peer+0xbb/0x130 [ 131.265149][ T8706] wg_packet_tx_worker+0x1e2/0x4c0 [ 131.270248][ T8706] process_one_work+0x3e1/0x9a0 [ 131.275083][ T8706] worker_thread+0x665/0xbe0 [ 131.279881][ T8706] kthread+0x20d/0x230 [ 131.283975][ T8706] ret_from_fork+0x1f/0x30 [ 131.288546][ T8706] [ 131.290860][ T8706] read to 0xffffe8ffffd4f1b8 of 8 bytes by task 8706 on cpu 0: [ 131.298517][ T8706] ip_tunnel_get_stats64+0xef/0x1c0 [ 131.303699][ T8706] dev_get_stats+0x65/0x180 [ 131.308183][ T8706] rtnl_fill_stats+0x45/0x320 [ 131.312852][ T8706] rtnl_fill_ifinfo+0xe92/0x2430 [ 131.317788][ T8706] rtmsg_ifinfo_build_skb+0xa8/0x130 [ 131.323071][ T8706] rtmsg_ifinfo+0x58/0xc0 [ 131.327428][ T8706] __dev_notify_flags+0x63/0x390 [ 131.332362][ T8706] dev_change_flags+0xa2/0xc0 [ 131.337121][ T8706] do_setlink+0x736/0x2220 [ 131.341530][ T8706] rtnl_newlink+0xe62/0x1340 [ 131.346109][ T8706] rtnetlink_rcv_msg+0x71b/0x7b0 [ 131.351027][ T8706] netlink_rcv_skb+0x13e/0x240 [ 131.355769][ T8706] rtnetlink_rcv+0x18/0x20 [ 131.360290][ T8706] netlink_unicast+0x5e2/0x6b0 [ 131.365093][ T8706] netlink_sendmsg+0x6d8/0x7a0 [ 131.369952][ T8706] __sys_sendto+0x2ae/0x380 [ 131.374479][ T8706] __x64_sys_sendto+0x74/0x90 [ 131.379154][ T8706] do_syscall_64+0x39/0x80 [ 131.383562][ T8706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 131.389429][ T8706] [ 131.391731][ T8706] Reported by Kernel Concurrency Sanitizer on: [ 131.397871][ T8706] CPU: 0 PID: 8706 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 [ 131.406978][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.417392][ T8706] ================================================================== [ 131.425448][ T8706] Kernel panic - not syncing: panic_on_warn set ... [ 131.432049][ T8706] CPU: 0 PID: 8706 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0 [ 131.440630][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.450686][ T8706] Call Trace: [ 131.454000][ T8706] dump_stack+0x10f/0x19d [ 131.458474][ T8706] panic+0x207/0x64a [ 131.462389][ T8706] ? vprintk_emit+0x44a/0x4f0 [ 131.467192][ T8706] kcsan_report+0x684/0x690 [ 131.471943][ T8706] ? kcsan_setup_watchpoint+0x41e/0x4a0 [ 131.477492][ T8706] ? ip_tunnel_get_stats64+0xef/0x1c0 [ 131.482926][ T8706] ? dev_get_stats+0x65/0x180 [ 131.487583][ T8706] ? rtnl_fill_stats+0x45/0x320 [ 131.492417][ T8706] ? rtnl_fill_ifinfo+0xe92/0x2430 [ 131.497510][ T8706] ? rtmsg_ifinfo_build_skb+0xa8/0x130 [ 131.502973][ T8706] ? rtmsg_ifinfo+0x58/0xc0 [ 131.507476][ T8706] ? __dev_notify_flags+0x63/0x390 [ 131.512572][ T8706] ? dev_change_flags+0xa2/0xc0 [ 131.517401][ T8706] ? do_setlink+0x736/0x2220 [ 131.521991][ T8706] ? rtnl_newlink+0xe62/0x1340 [ 131.526754][ T8706] ? rtnetlink_rcv_msg+0x71b/0x7b0 [ 131.531852][ T8706] ? netlink_rcv_skb+0x13e/0x240 [ 131.536770][ T8706] ? rtnetlink_rcv+0x18/0x20 [ 131.541360][ T8706] ? netlink_unicast+0x5e2/0x6b0 [ 131.546300][ T8706] ? netlink_sendmsg+0x6d8/0x7a0 [ 131.551230][ T8706] ? __sys_sendto+0x2ae/0x380 [ 131.555907][ T8706] ? __x64_sys_sendto+0x74/0x90 [ 131.560748][ T8706] ? do_syscall_64+0x39/0x80 [ 131.565816][ T8706] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 131.571880][ T8706] ? rb_insert_color+0x70/0x310 [ 131.576829][ T8706] ? update_curr+0x10c/0x3a0 [ 131.581433][ T8706] kcsan_setup_watchpoint+0x41e/0x4a0 [ 131.586831][ T8706] ip_tunnel_get_stats64+0xef/0x1c0 [ 131.592017][ T8706] dev_get_stats+0x65/0x180 [ 131.596506][ T8706] rtnl_fill_stats+0x45/0x320 [ 131.601200][ T8706] rtnl_fill_ifinfo+0xe92/0x2430 [ 131.606139][ T8706] ? kmem_cache_alloc_node_trace+0x170/0x280 [ 131.612143][ T8706] ? __kmalloc_node_track_caller+0x30/0x40 [ 131.617936][ T8706] ? rtmsg_ifinfo_build_skb+0x61/0x130 [ 131.623404][ T8706] rtmsg_ifinfo_build_skb+0xa8/0x130 [ 131.628699][ T8706] rtmsg_ifinfo+0x58/0xc0 [ 131.633031][ T8706] __dev_notify_flags+0x63/0x390 [ 131.637959][ T8706] ? ___cache_free+0x9c/0x380 [ 131.642635][ T8706] dev_change_flags+0xa2/0xc0 [ 131.647304][ T8706] do_setlink+0x736/0x2220 [ 131.651723][ T8706] ? netlink_broadcast_filtered+0xb1c/0xb40 [ 131.657613][ T8706] ? __nla_validate_parse+0x1107/0x15d0 [ 131.663627][ T8706] ? should_fail+0x2a/0x250 [ 131.668169][ T8706] ? __should_failslab+0x81/0x90 [ 131.673100][ T8706] ? __nla_parse+0x3c/0x50 [ 131.677525][ T8706] ? validate_linkmsg+0x261/0x2d0 [ 131.682570][ T8706] rtnl_newlink+0xe62/0x1340 [ 131.687146][ T8706] ? rtnl_newlink+0x1c1/0x1340 [ 131.691901][ T8706] ? __this_cpu_preempt_check+0x18/0x20 [ 131.697426][ T8706] ? __local_bh_enable_ip+0x48/0x70 [ 131.702608][ T8706] ? local_bh_enable+0x1b/0x20 [ 131.707357][ T8706] ? addrconf_verify_rtnl+0x93c/0x990 [ 131.712798][ T8706] ? put_dec_trunc8+0x10e/0x130 [ 131.717654][ T8706] ? put_dec_trunc8+0x10e/0x130 [ 131.722509][ T8706] ? put_dec+0xcd/0xe0 [ 131.726559][ T8706] ? number+0xa03/0xb50 [ 131.730695][ T8706] ? aa_get_newest_label+0x71/0x250 [ 131.735956][ T8706] ? apparmor_capable+0xfb/0x160 [ 131.740881][ T8706] ? preempt_count_add+0x41/0x90 [ 131.746054][ T8706] ? __mutex_lock+0x651/0x680 [ 131.750709][ T8706] ? bpf_lsm_capable+0x5/0x10 [ 131.755378][ T8706] ? ns_capable+0x86/0xb0 [ 131.759691][ T8706] ? rtnl_setlink+0x270/0x270 [ 131.764348][ T8706] rtnetlink_rcv_msg+0x71b/0x7b0 [ 131.769270][ T8706] ? skb_release_data+0x321/0x4d0 [ 131.774279][ T8706] ? __kfree_skb+0xfe/0x150 [ 131.778765][ T8706] ? __kfree_skb+0xfe/0x150 [ 131.783247][ T8706] ? consume_skb+0x4c/0x180 [ 131.787732][ T8706] ? nlmon_xmit+0x5f/0x70 [ 131.792094][ T8706] ? __this_cpu_preempt_check+0x18/0x20 [ 131.797639][ T8706] ? __local_bh_enable_ip+0x48/0x70 [ 131.802821][ T8706] ? local_bh_enable+0x1b/0x20 [ 131.807631][ T8706] ? __dev_queue_xmit+0xc30/0x15a0 [ 131.812796][ T8706] ? __skb_clone+0x2b9/0x2d0 [ 131.817379][ T8706] ? __rcu_read_unlock+0x4b/0x260 [ 131.822411][ T8706] netlink_rcv_skb+0x13e/0x240 [ 131.827162][ T8706] ? rtnetlink_bind+0x60/0x60 [ 131.831846][ T8706] rtnetlink_rcv+0x18/0x20 [ 131.836253][ T8706] netlink_unicast+0x5e2/0x6b0 [ 131.841005][ T8706] netlink_sendmsg+0x6d8/0x7a0 [ 131.845767][ T8706] __sys_sendto+0x2ae/0x380 [ 131.850262][ T8706] ? check_preemption_disabled+0x51/0x140 [ 131.855970][ T8706] __x64_sys_sendto+0x74/0x90 [ 131.860771][ T8706] do_syscall_64+0x39/0x80 [ 131.865224][ T8706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 131.871102][ T8706] RIP: 0033:0x416fa7 [ 131.874994][ T8706] Code: 2c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff 48 89 04 24 49 89 ca b8 2c 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 cd fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 131.894683][ T8706] RSP: 002b:00007ffe988bbf80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 131.903104][ T8706] RAX: ffffffffffffffda RBX: 00000000016a3700 RCX: 0000000000416fa7 [ 131.911063][ T8706] RDX: 0000000000000020 RSI: 00000000016a3750 RDI: 0000000000000003 [ 131.919039][ T8706] RBP: 0000000000000000 R08: 00007ffe988bbf90 R09: 000000000000000c [ 131.926996][ T8706] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 131.934956][ T8706] R13: 0000000000000000 R14: 00000000016a3750 R15: 0000000000000003 [ 131.944035][ T8706] Kernel Offset: disabled [ 131.948353][ T8706] Rebooting in 86400 seconds..