[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. 2020/05/18 11:39:59 fuzzer started 2020/05/18 11:39:59 dialing manager at 10.128.0.105:46597 2020/05/18 11:40:07 syscalls: 3055 2020/05/18 11:40:07 code coverage: enabled 2020/05/18 11:40:07 comparison tracing: enabled 2020/05/18 11:40:07 extra coverage: enabled 2020/05/18 11:40:07 setuid sandbox: enabled 2020/05/18 11:40:07 namespace sandbox: enabled 2020/05/18 11:40:07 Android sandbox: /sys/fs/selinux/policy does not exist 2020/05/18 11:40:07 fault injection: enabled 2020/05/18 11:40:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/05/18 11:40:07 net packet injection: enabled 2020/05/18 11:40:07 net device setup: enabled 2020/05/18 11:40:07 concurrency sanitizer: enabled 2020/05/18 11:40:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/05/18 11:40:07 USB emulation: enabled syzkaller login: [ 61.988895][ T8939] KCSAN: could not find function: '_find_next_bit' 2020/05/18 11:40:10 adding functions to KCSAN blacklist: 'do_nanosleep' 'run_timer_softirq' 'ktime_get_real_seconds' 'pcpu_alloc' 'decrypt_packet' 'n_tty_receive_buf_common' 'do_signal_stop' 'add_timer' 'generic_write_end' 'find_get_pages_range_tag' 'ep_poll' 'xas_clear_mark' 'mod_timer' '__ext4_new_inode' 'copy_process' 'echo_char' 'ext4_free_inodes_count' 'kauditd_thread' 'tick_nohz_idle_stop_tick' 'shmem_file_read_iter' '_find_next_bit' 'generic_fillattr' 'blk_mq_get_request' 'tick_sched_do_timer' 11:41:32 executing program 0: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000180)='/dev/audio\x00', 0x0, 0x0) socket$inet_smc(0x2b, 0x1, 0x0) ioctl$int_in(r0, 0x0, &(0x7f0000000300)) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttyprintk\x00', 0x0, 0x0) socket$inet(0x2, 0x80001, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r1, 0x4, 0x42800) syz_open_procfs(0x0, &(0x7f00000000c0)='fd/3\x00') pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000200), 0x0) [ 144.866276][ T8943] IPVS: ftp: loaded support on port[0] = 21 [ 144.942749][ T8943] chnl_net:caif_netlink_parms(): no params data found 11:41:33 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f0000000000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x7fff}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_int(r0, &(0x7f0000000200), 0x400086) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x203, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40305829, &(0x7f0000000040)) close(r0) close(r1) [ 144.999552][ T8943] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.006710][ T8943] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.015579][ T8943] device bridge_slave_0 entered promiscuous mode [ 145.023977][ T8943] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.031855][ T8943] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.040546][ T8943] device bridge_slave_1 entered promiscuous mode [ 145.095793][ T8943] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.115081][ T8943] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.164115][ T8943] team0: Port device team_slave_0 added [ 145.184080][ T8943] team0: Port device team_slave_1 added [ 145.213092][ T8943] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 145.220069][ T8943] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 145.252580][ T8943] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active 11:41:33 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400000033001901000000000000000002000000040000000c00018008434774b40f"], 0x24}}, 0x0) [ 145.266031][ T8943] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 145.273514][ T8943] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 145.300561][ T8943] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 145.328806][ T9097] IPVS: ftp: loaded support on port[0] = 21 [ 145.386010][ T8943] device hsr_slave_0 entered promiscuous mode [ 145.453826][ T8943] device hsr_slave_1 entered promiscuous mode 11:41:33 executing program 3: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) syz_mount_image$vfat(&(0x7f0000000080)='vfat\x00', &(0x7f0000000580)='./file0\x00', 0x0, 0x2, &(0x7f0000000780)=[{0x0, 0x0, 0x10000}, {&(0x7f00000006c0)="5ad508ec56f11c5e8df4f1780d60fa", 0xf, 0x7}], 0x0, 0x0) [ 145.539679][ T9109] IPVS: ftp: loaded support on port[0] = 21 [ 145.718513][ T9097] chnl_net:caif_netlink_parms(): no params data found [ 145.726560][ T9260] IPVS: ftp: loaded support on port[0] = 21 [ 145.787806][ T9097] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.795900][ T9097] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.804468][ T9097] device bridge_slave_0 entered promiscuous mode [ 145.817628][ T9097] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.824686][ T9097] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.832280][ T9097] device bridge_slave_1 entered promiscuous mode [ 145.853855][ T8943] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 145.899147][ T8943] netdevsim netdevsim0 netdevsim1: renamed from eth1 11:41:33 executing program 4: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000140)="fc00000048000700ab092500090007000a06fffff00000000000369321000100ff0100000005d00000000000000398996c92773411419da79bb94b46fe000000bc00020000036c6c256f1a272f2e117c22ebc205214000000000008934d07302ad031720d7d5bbc91a3e2e80772c05defd5a32e280fc83ab82f605f70c9ddef2fe082038f4f8b29d3ef3d92c83170e5bba4a463ae4f5566f91cf190201ded815b2ccd243f295ed94e0ad91bd0734babc7c3f2eeb57d43dd16b17e583df150c3b880f411f46a6b567b4d5715587e658a1ad0a4f01731d05b0350b0041f0d48f6f0000080548deac270e33429fd3000175e63fb8d38a873cf1587c3b41", 0xfc) [ 145.986033][ T8943] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 146.056246][ T8943] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 146.109550][ T9097] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 146.135059][ T9109] chnl_net:caif_netlink_parms(): no params data found [ 146.161502][ T9097] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:41:34 executing program 5: mmap(&(0x7f0000002000/0x4000)=nil, 0x4000, 0x0, 0x10, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_SIGNAL_MASK(0xffffffffffffffff, 0x4004ae8b, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$VT_RESIZE(r0, 0x5609, &(0x7f0000000000)={0x9, 0x6}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 146.238107][ T9404] IPVS: ftp: loaded support on port[0] = 21 [ 146.269307][ T9097] team0: Port device team_slave_0 added [ 146.330260][ T9097] team0: Port device team_slave_1 added [ 146.338781][ T9109] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.348627][ T9109] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.357974][ T9109] device bridge_slave_0 entered promiscuous mode [ 146.413163][ T9109] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.420211][ T9109] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.429069][ T9109] device bridge_slave_1 entered promiscuous mode [ 146.464483][ T9097] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.467291][ T9548] IPVS: ftp: loaded support on port[0] = 21 [ 146.471460][ T9097] 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. [ 146.507280][ T9097] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.519451][ T9097] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.527224][ T9097] 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. [ 146.553827][ T9097] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.568396][ T9109] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 146.577607][ T9260] chnl_net:caif_netlink_parms(): no params data found [ 146.605641][ T9109] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 146.627671][ T9404] chnl_net:caif_netlink_parms(): no params data found [ 146.669869][ T9109] team0: Port device team_slave_0 added [ 146.679163][ T9109] team0: Port device team_slave_1 added [ 146.735073][ T9097] device hsr_slave_0 entered promiscuous mode [ 146.794899][ T9097] device hsr_slave_1 entered promiscuous mode [ 146.832991][ T9097] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 146.840615][ T9097] Cannot create hsr debugfs directory [ 146.898697][ T9109] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.905739][ T9109] 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. [ 146.932708][ T9109] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.946059][ T9260] bridge0: port 1(bridge_slave_0) entered blocking state [ 146.953185][ T9260] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.961059][ T9260] device bridge_slave_0 entered promiscuous mode [ 146.970613][ T9260] bridge0: port 2(bridge_slave_1) entered blocking state [ 146.977740][ T9260] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.985465][ T9260] device bridge_slave_1 entered promiscuous mode [ 147.004039][ T9109] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 147.011372][ T9109] 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. [ 147.037944][ T9109] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 147.065239][ T9404] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.072331][ T9404] bridge0: port 1(bridge_slave_0) entered disabled state [ 147.084035][ T9404] device bridge_slave_0 entered promiscuous mode [ 147.092601][ T9404] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.099768][ T9404] bridge0: port 2(bridge_slave_1) entered disabled state [ 147.107507][ T9404] device bridge_slave_1 entered promiscuous mode [ 147.126530][ T9260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 147.157174][ T9260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 147.167911][ T8943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 147.205101][ T9109] device hsr_slave_0 entered promiscuous mode [ 147.243174][ T9109] device hsr_slave_1 entered promiscuous mode [ 147.293167][ T9109] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 147.300735][ T9109] Cannot create hsr debugfs directory [ 147.336140][ T9404] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 147.348324][ T9548] chnl_net:caif_netlink_parms(): no params data found [ 147.372601][ T9260] team0: Port device team_slave_0 added [ 147.379702][ T9404] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 147.401128][ T8943] 8021q: adding VLAN 0 to HW filter on device team0 [ 147.412642][ T9260] team0: Port device team_slave_1 added [ 147.424290][ T9400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 147.432088][ T9400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 147.459326][ T9097] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 147.515328][ T9404] team0: Port device team_slave_0 added [ 147.521070][ T9097] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 147.589700][ T9097] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 147.659407][ T9404] team0: Port device team_slave_1 added [ 147.667235][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 147.676022][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 147.685180][ T4958] bridge0: port 1(bridge_slave_0) entered blocking state [ 147.692386][ T4958] bridge0: port 1(bridge_slave_0) entered forwarding state [ 147.704885][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 147.716591][ T9097] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 147.755292][ T9260] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 147.762260][ T9260] 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. [ 147.789184][ T9260] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 147.820531][ T9260] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 147.827778][ T9260] 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. [ 147.854268][ T9260] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 147.870399][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 147.879826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 147.888296][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 147.895369][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 147.913192][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 147.921997][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 147.931467][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 147.940131][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 147.949124][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 147.957741][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 147.975604][ T9404] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 147.982553][ T9404] 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. [ 148.010032][ T9404] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 148.065357][ T9260] device hsr_slave_0 entered promiscuous mode [ 148.093114][ T9260] device hsr_slave_1 entered promiscuous mode [ 148.133010][ T9260] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 148.141608][ T9260] Cannot create hsr debugfs directory [ 148.159214][ T5296] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 148.168156][ T5296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 148.178709][ T5296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 148.187966][ T9548] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.195362][ T9548] bridge0: port 1(bridge_slave_0) entered disabled state [ 148.203408][ T9548] device bridge_slave_0 entered promiscuous mode [ 148.213098][ T9548] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.222611][ T9548] bridge0: port 2(bridge_slave_1) entered disabled state [ 148.231070][ T9548] device bridge_slave_1 entered promiscuous mode [ 148.246765][ T9404] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 148.254393][ T9404] 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. [ 148.281105][ T9404] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 148.364959][ T9404] device hsr_slave_0 entered promiscuous mode [ 148.423295][ T9404] device hsr_slave_1 entered promiscuous mode [ 148.462975][ T9404] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 148.470702][ T9404] Cannot create hsr debugfs directory [ 148.483975][ T9109] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 148.530208][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 148.538845][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 148.551581][ T8943] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 148.562891][ T9109] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 148.595958][ T9109] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 148.646030][ T9548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 148.658856][ T9548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 148.687703][ T9109] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 148.750865][ T9400] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 148.758411][ T9400] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 148.792321][ T8943] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 148.816448][ T9548] team0: Port device team_slave_0 added [ 148.835369][ T9548] team0: Port device team_slave_1 added [ 148.867771][ T9260] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 148.935273][ T9260] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 148.990397][ T9548] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 148.998330][ T9548] 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. [ 149.025305][ T9548] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 149.052544][ T9260] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 149.095060][ T9548] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 149.102039][ T9548] 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. [ 149.130733][ T9548] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 149.156252][ T9097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 149.165530][ T9260] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 149.207083][ T5296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 149.215981][ T5296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 149.225448][ T9404] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 149.275534][ T9404] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 149.317687][ T9404] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 149.400382][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 149.409891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 149.418155][ T9404] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 149.488839][ T9097] 8021q: adding VLAN 0 to HW filter on device team0 [ 149.506381][ T9109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 149.544876][ T9548] device hsr_slave_0 entered promiscuous mode [ 149.593443][ T9548] device hsr_slave_1 entered promiscuous mode [ 149.634919][ T9548] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 149.642504][ T9548] Cannot create hsr debugfs directory [ 149.648696][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 149.657750][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 149.666990][ T4958] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 149.675595][ T8614] ================================================================== [ 149.683885][ T8614] BUG: KCSAN: data-race in ext4_mark_iloc_dirty / generic_update_time [ 149.693348][ T8614] [ 149.695673][ T8614] read to 0xffff888120daa2a0 of 8 bytes by task 21 on cpu 0: [ 149.703246][ T8614] ext4_mark_iloc_dirty+0x3bc/0x1580 [ 149.708634][ T8614] ext4_mark_inode_dirty+0xe6/0x420 [ 149.713837][ T8614] __ext4_ext_dirty.isra.0+0xf2/0x110 [ 149.719298][ T8614] ext4_ext_handle_unwritten_extents+0x2c2/0x18c0 [ 149.725704][ T8614] ext4_ext_map_blocks+0xa7e/0x1fb0 [ 149.730890][ T8614] ext4_map_blocks+0x230/0xcf0 [ 149.735643][ T8614] ext4_convert_unwritten_extents+0x18b/0x3b0 [ 149.741854][ T8614] ext4_convert_unwritten_io_end_vec+0xe0/0x1b0 [ 149.748204][ T8614] ext4_end_io_rsv_work+0x2c2/0x400 [ 149.753580][ T8614] process_one_work+0x424/0x930 [ 149.758519][ T8614] worker_thread+0x9a/0x7e0 [ 149.763053][ T8614] kthread+0x203/0x230 [ 149.767111][ T8614] ret_from_fork+0x1f/0x30 [ 149.771593][ T8614] [ 149.773921][ T8614] write to 0xffff888120daa2a0 of 16 bytes by task 8614 on cpu 1: [ 149.781643][ T8614] generic_update_time+0xc2/0x270 [ 149.786661][ T8614] update_time+0x7d/0x90 [ 149.791136][ T8614] file_update_time+0x205/0x2d0 [ 149.798951][ T8614] file_modified+0x60/0x80 [ 149.803395][ T8614] ext4_write_checks+0x4a/0x70 [ 149.808154][ T8614] ext4_buffered_write_iter+0x87/0x280 [ 149.813881][ T8614] ext4_file_write_iter+0xf4/0xd30 [ 149.819147][ T8614] new_sync_write+0x303/0x400 [ 149.824084][ T8614] __vfs_write+0x9e/0xb0 [ 149.828313][ T8614] vfs_write+0x189/0x380 [ 149.832798][ T8614] ksys_write+0xc5/0x1a0 [ 149.837060][ T8614] __x64_sys_write+0x49/0x60 [ 149.841814][ T8614] do_syscall_64+0xc7/0x3b0 [ 149.846312][ T8614] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.852793][ T8614] [ 149.855114][ T8614] Reported by Kernel Concurrency Sanitizer on: [ 149.861788][ T8614] CPU: 1 PID: 8614 Comm: rs:main Q:Reg Not tainted 5.7.0-rc1-syzkaller #0 [ 149.870507][ T8614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.880592][ T8614] ================================================================== [ 149.888773][ T8614] Kernel panic - not syncing: panic_on_warn set ... [ 149.895556][ T8614] CPU: 1 PID: 8614 Comm: rs:main Q:Reg Not tainted 5.7.0-rc1-syzkaller #0 [ 149.904315][ T8614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.914578][ T8614] Call Trace: [ 149.917938][ T8614] dump_stack+0x11d/0x187 [ 149.922389][ T8614] panic+0x210/0x640 [ 149.926514][ T8614] ? vprintk_func+0x89/0x13a [ 149.931511][ T8614] kcsan_report.cold+0xc/0x1a [ 149.936324][ T8614] kcsan_setup_watchpoint+0x3fb/0x440 [ 149.942270][ T8614] generic_update_time+0xc2/0x270 [ 149.947382][ T8614] update_time+0x7d/0x90 [ 149.951807][ T8614] file_update_time+0x205/0x2d0 [ 149.956854][ T8614] file_modified+0x60/0x80 [ 149.961388][ T8614] ext4_write_checks+0x4a/0x70 [ 149.966233][ T8614] ext4_buffered_write_iter+0x87/0x280 [ 149.971805][ T8614] ext4_file_write_iter+0xf4/0xd30 [ 149.976913][ T8614] ? futex_wake+0x126/0x340 [ 149.981792][ T8614] new_sync_write+0x303/0x400 [ 149.986490][ T8614] __vfs_write+0x9e/0xb0 [ 149.990877][ T8614] vfs_write+0x189/0x380 [ 149.995244][ T8614] ksys_write+0xc5/0x1a0 [ 149.999623][ T8614] __x64_sys_write+0x49/0x60 [ 150.004217][ T8614] do_syscall_64+0xc7/0x3b0 [ 150.008771][ T8614] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.014947][ T8614] RIP: 0033:0x7f270d8721cd [ 150.019573][ T8614] Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 150.039541][ T8614] RSP: 002b:00007f270ae2d590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 150.048997][ T8614] RAX: ffffffffffffffda RBX: 00007f2700025950 RCX: 00007f270d8721cd [ 150.057126][ T8614] RDX: 0000000000000072 RSI: 00007f2700025950 RDI: 0000000000000008 [ 150.065784][ T8614] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 150.073842][ T8614] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f27000256d0 [ 150.082111][ T8614] R13: 00007f270ae2d5b0 R14: 00005654c9e2f440 R15: 0000000000000072 [ 150.092031][ T8614] Kernel Offset: disabled [ 150.096472][ T8614] Rebooting in 86400 seconds..