[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 60.369096][ T27] kauditd_printk_skb: 7 callbacks suppressed [ 60.369114][ T27] audit: type=1800 audit(1580137261.196:29): pid=7823 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 60.395760][ T27] audit: type=1800 audit(1580137261.196:30): pid=7823 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. 2020/01/27 15:01:11 fuzzer started 2020/01/27 15:01:13 dialing manager at 10.128.0.105:43309 2020/01/27 15:01:13 syscalls: 2893 2020/01/27 15:01:13 code coverage: enabled 2020/01/27 15:01:13 comparison tracing: enabled 2020/01/27 15:01:13 extra coverage: enabled 2020/01/27 15:01:13 setuid sandbox: enabled 2020/01/27 15:01:13 namespace sandbox: enabled 2020/01/27 15:01:13 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/27 15:01:13 fault injection: enabled 2020/01/27 15:01:13 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/27 15:01:13 net packet injection: enabled 2020/01/27 15:01:13 net device setup: enabled 2020/01/27 15:01:13 concurrency sanitizer: enabled 2020/01/27 15:01:13 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/01/27 15:01:14 adding functions to KCSAN blacklist: 'tomoyo_supervisor' 'add_timer' '__hrtimer_run_queues' 'ext4_free_inode' 'ep_poll' 'blk_mq_dispatch_rq_list' 15:01:16 executing program 0: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 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) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x80000000000002, &(0x7f0000000040)=0x2000000000000074, 0x4) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, 0x0, 0x0) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) sendto$inet(r1, 0x0, 0x0, 0x0, 0x0, 0x0) openat$ipvs(0xffffffffffffff9c, 0x0, 0x2, 0x0) dup2(r1, r0) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') sendfile(r0, r2, 0x0, 0xedc0) 15:01:16 executing program 1: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000000)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x24, 0x24, 0x2, [@struct={0x0, 0x1, 0x0, 0x5, 0x0, 0x2000000, [{0x0, 0x2}]}, @enum]}}, &(0x7f00000002c0)=""/236, 0x3e, 0xec, 0x1}, 0x20) syzkaller login: [ 75.823028][ T7992] IPVS: ftp: loaded support on port[0] = 21 [ 75.921643][ T7992] chnl_net:caif_netlink_parms(): no params data found [ 75.952973][ T7992] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.960572][ T7992] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.968725][ T7992] device bridge_slave_0 entered promiscuous mode [ 75.976122][ T7992] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.983420][ T7992] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.991727][ T7992] device bridge_slave_1 entered promiscuous mode [ 76.008304][ T7992] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.019335][ T7992] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.039533][ T7992] team0: Port device team_slave_0 added [ 76.046405][ T7992] team0: Port device team_slave_1 added [ 76.076796][ T7992] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.083901][ T7992] 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. [ 76.113792][ T7992] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.125778][ T7992] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.129706][ T7995] IPVS: ftp: loaded support on port[0] = 21 [ 76.133584][ T7992] 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. [ 76.165620][ T7992] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active 15:01:17 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) select(0x40, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, 0x0, 0x0, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r3, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) sendmsg$SEG6_CMD_GET_TUNSRC(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, 0x0, 0x0, 0x0, 0x0, {0x3}}, 0x14}}, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r3, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x11c000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000000000/0x18000)=nil, 0x0, 0xffffffffffffff40, 0x0, 0x0, 0x0) ioctl$KVM_NMI(r4, 0xae9a) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 76.298329][ T7992] device hsr_slave_0 entered promiscuous mode [ 76.336826][ T7992] device hsr_slave_1 entered promiscuous mode [ 76.408079][ T7997] IPVS: ftp: loaded support on port[0] = 21 15:01:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup2(r5, r4) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x2a9, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r7, @ANYBLOB="000000000000000028001200090001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB="1e00b20000000000"], 0x48}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r7, @ANYBLOB="00000000ffffffff000000000900010068667363000000000800020000000000"], 0x38}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000400)=@newtfilter={0x48, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r7, {}, {}, {0xf}}, [@filter_kind_options=@f_flower={{0xb, 0x1, 'flower\x00'}, {0x18, 0x2, [@TCA_FLOWER_INDEV={0x14, 0x2, 'bond0\x00'}]}}]}, 0x48}}, 0x0) [ 76.581025][ T7995] chnl_net:caif_netlink_parms(): no params data found [ 76.669989][ T7992] netdevsim netdevsim0 netdevsim0: renamed from eth0 15:01:17 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nullb0\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x1000001, 0x13, r2, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r3, 0x4008ae89, &(0x7f0000000100)) [ 76.719183][ T7992] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.786264][ T7992] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.794103][ T8001] IPVS: ftp: loaded support on port[0] = 21 [ 76.838787][ T7997] chnl_net:caif_netlink_parms(): no params data found [ 76.857940][ T7992] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.929217][ T7995] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.946108][ T7995] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.953697][ T7995] device bridge_slave_0 entered promiscuous mode [ 76.963330][ T7995] bridge0: port 2(bridge_slave_1) entered blocking state 15:01:17 executing program 5: r0 = socket$rds(0x15, 0x5, 0x0) connect$rds(r0, &(0x7f0000000080)={0x2, 0x0, @loopback}, 0x6) [ 76.986041][ T7995] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.994097][ T7995] device bridge_slave_1 entered promiscuous mode [ 77.014280][ T8003] IPVS: ftp: loaded support on port[0] = 21 [ 77.102063][ T7997] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.119275][ T7997] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.127335][ T7997] device bridge_slave_0 entered promiscuous mode [ 77.135323][ T7997] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.142536][ T7997] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.151782][ T7997] device bridge_slave_1 entered promiscuous mode [ 77.159691][ T7995] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.170695][ T7995] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.191599][ T8007] IPVS: ftp: loaded support on port[0] = 21 [ 77.234426][ T7995] team0: Port device team_slave_0 added [ 77.241333][ T7995] team0: Port device team_slave_1 added [ 77.251223][ T7997] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.271095][ T7997] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.290408][ T7997] team0: Port device team_slave_0 added [ 77.297248][ T7997] team0: Port device team_slave_1 added [ 77.326651][ T7997] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.333760][ T7997] 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. [ 77.360024][ T7997] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.373589][ T7997] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.380626][ T7997] 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. [ 77.406797][ T7997] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.418108][ T7995] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.425170][ T7995] 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. [ 77.451758][ T7995] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.495886][ T7995] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.502900][ T7995] 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. [ 77.529001][ T7995] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.598021][ T7997] device hsr_slave_0 entered promiscuous mode [ 77.656231][ T7997] device hsr_slave_1 entered promiscuous mode [ 77.695984][ T7997] debugfs: Directory 'hsr0' with parent '/' already present! [ 77.735330][ T8001] chnl_net:caif_netlink_parms(): no params data found [ 77.788185][ T7995] device hsr_slave_0 entered promiscuous mode [ 77.826229][ T7995] device hsr_slave_1 entered promiscuous mode [ 77.866015][ T7995] debugfs: Directory 'hsr0' with parent '/' already present! [ 77.878969][ T7992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.933010][ T8003] chnl_net:caif_netlink_parms(): no params data found [ 77.947063][ T8001] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.954616][ T8001] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.962689][ T8001] device bridge_slave_0 entered promiscuous mode [ 77.971217][ T8001] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.978356][ T8001] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.986413][ T8001] device bridge_slave_1 entered promiscuous mode [ 78.012656][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.020494][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.053602][ T7992] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.084085][ T8003] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.091351][ T8003] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.099230][ T8003] device bridge_slave_0 entered promiscuous mode [ 78.134720][ T8001] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.147595][ T8001] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.158534][ T8003] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.165681][ T8003] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.173403][ T8003] device bridge_slave_1 entered promiscuous mode [ 78.186937][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.195610][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.204470][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.211572][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.220375][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.229275][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.237928][ T3093] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.244965][ T3093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.253165][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.279625][ T8007] chnl_net:caif_netlink_parms(): no params data found [ 78.304652][ T8003] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.314857][ T8012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 78.352631][ T8003] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.363092][ T8001] team0: Port device team_slave_0 added [ 78.377208][ T8001] team0: Port device team_slave_1 added [ 78.382985][ T7997] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 78.420038][ T7997] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 78.495224][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 78.504634][ T8007] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.511760][ T8007] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.519881][ T8007] device bridge_slave_0 entered promiscuous mode [ 78.532129][ T8007] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.539427][ T8007] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.547285][ T8007] device bridge_slave_1 entered promiscuous mode [ 78.569973][ T7997] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 78.617932][ T7997] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 78.662440][ T8001] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.669509][ T8001] 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. [ 78.695608][ T8001] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.711100][ T8001] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.718152][ T8001] 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. [ 78.744782][ T8001] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.755765][ T7995] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 78.828682][ T8003] team0: Port device team_slave_0 added [ 78.835058][ T7995] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 78.880584][ T7995] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 78.928252][ T7995] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 78.979571][ T8007] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.002121][ T8003] team0: Port device team_slave_1 added [ 79.020707][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.029688][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.038730][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.048963][ T8007] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.148269][ T8001] device hsr_slave_0 entered promiscuous mode [ 79.186353][ T8001] device hsr_slave_1 entered promiscuous mode [ 79.235985][ T8001] debugfs: Directory 'hsr0' with parent '/' already present! [ 79.252233][ T8003] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.259254][ T8003] 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. [ 79.286093][ T8003] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.309826][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.318544][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.339659][ T8003] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.347162][ T8003] 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. [ 79.373632][ T8003] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.385428][ T8007] team0: Port device team_slave_0 added [ 79.394787][ T8007] team0: Port device team_slave_1 added [ 79.413582][ T8007] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.420604][ T8007] 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. [ 79.447580][ T8007] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.460479][ T8007] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.467610][ T8007] 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. [ 79.493957][ T8007] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.519973][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.528456][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.539115][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 79.547570][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.558228][ T7992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.630943][ T8003] device hsr_slave_0 entered promiscuous mode [ 79.676391][ T8003] device hsr_slave_1 entered promiscuous mode [ 79.756150][ T8003] debugfs: Directory 'hsr0' with parent '/' already present! [ 79.817884][ T8007] device hsr_slave_0 entered promiscuous mode [ 79.856302][ T8007] device hsr_slave_1 entered promiscuous mode [ 79.896079][ T8007] debugfs: Directory 'hsr0' with parent '/' already present! [ 79.960363][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.967956][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.981513][ T7995] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.996495][ T7992] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.027711][ T7995] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.045847][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.055428][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.063422][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 80.072092][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.080579][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.087620][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.096326][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.125652][ T8012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.137447][ T8012] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.146404][ T8012] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.153587][ T8012] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.163954][ T8012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.181846][ T8001] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 80.228935][ T8001] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 80.268609][ T8001] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 80.310430][ T8001] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 80.378904][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 80.388370][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.427095][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 80.435671][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.447196][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.457834][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.466828][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.475994][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.483774][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.491684][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.513069][ T7992] device veth0_vlan entered promiscuous mode [ 80.522941][ T7997] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.530147][ T8007] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 80.578738][ T8007] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 80.618556][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.627523][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.650500][ T7992] device veth1_vlan entered promiscuous mode [ 80.660660][ T8007] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 80.698044][ T8003] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 80.727659][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 80.735812][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.746706][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.755197][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.763998][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.774412][ T7995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.790894][ T8007] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 80.828341][ T8003] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 80.881419][ T7997] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.906242][ T8003] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 80.968220][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 80.977338][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.985283][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.993540][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 81.002488][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.010949][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.018126][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.026306][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.033749][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.041953][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 81.055317][ T7995] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.063526][ T8003] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 81.126813][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 81.135869][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.145174][ T8005] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.152272][ T8005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.160353][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 81.169511][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 81.178532][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 81.187229][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.195941][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 81.204677][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.213398][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 81.221867][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.234589][ T7992] device veth0_macvtap entered promiscuous mode [ 81.260831][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.269236][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.278573][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.287452][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 81.296909][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.305451][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 81.313877][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.323249][ T8005] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.332757][ T7992] device veth1_macvtap entered promiscuous mode [ 81.342131][ T7997] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.393671][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.422954][ T7992] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.433973][ T7995] device veth0_vlan entered promiscuous mode [ 81.449251][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.458396][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.471248][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.480052][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.499549][ T8007] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.511668][ T7992] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.531791][ T7997] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.540317][ T7995] device veth1_vlan entered promiscuous mode [ 81.550406][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.559095][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.567496][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.575660][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.584750][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.593565][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.601850][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.626672][ T8001] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.638245][ T8003] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.649994][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.659670][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.667649][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.676157][ C0] ================================================================== [ 81.680309][ T8007] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.684763][ C0] BUG: KCSAN: data-race in mod_timer / run_timer_softirq [ 81.698312][ C0] [ 81.700653][ C0] read to 0xffff88812c01da88 of 8 bytes by task 8012 on cpu 1: [ 81.702476][ T8001] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.708202][ C0] mod_timer+0x1ec/0x7a0 [ 81.708218][ C0] mld_ifc_start_timer+0x4d/0xf0 [ 81.708233][ C0] mld_ifc_event+0x74/0x90 [ 81.708247][ C0] igmp6_group_added+0x1c0/0x260 [ 81.708261][ C0] __ipv6_dev_mc_inc+0x4e0/0x760 [ 81.708274][ C0] ipv6_dev_mc_inc+0x29/0x40 [ 81.708289][ C0] addrconf_join_solict.part.0+0x7d/0xa0 [ 81.708305][ C0] addrconf_dad_work+0x10b/0xba0 [ 81.708322][ C0] process_one_work+0x3d4/0x890 [ 81.708337][ C0] worker_thread+0xa0/0x800 [ 81.708351][ C0] kthread+0x1d4/0x200 [ 81.708366][ C0] ret_from_fork+0x1f/0x30 [ 81.708369][ C0] [ 81.708382][ C0] write to 0xffff88812c01da88 of 8 bytes by interrupt on cpu 0: [ 81.708398][ C0] run_timer_softirq+0x496/0xcd0 [ 81.708411][ C0] __do_softirq+0x115/0x33f [ 81.708425][ C0] irq_exit+0xbb/0xe0 [ 81.708438][ C0] smp_apic_timer_interrupt+0xe6/0x280 [ 81.708451][ C0] apic_timer_interrupt+0xf/0x20 [ 81.708468][ C0] security_sock_rcv_skb+0x32/0xa0 [ 81.708482][ C0] sk_filter_trim_cap+0x7c/0x510 [ 81.708498][ C0] netlink_unicast+0x144/0x4d0 [ 81.708512][ C0] netlink_ack+0x38b/0x680 [ 81.708526][ C0] netlink_rcv_skb+0x22a/0x260 [ 81.708552][ C0] rtnetlink_rcv+0x26/0x30 [ 81.725305][ T8003] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.728941][ C0] netlink_unicast+0x3a6/0x4d0 [ 81.728957][ C0] netlink_sendmsg+0x4d3/0x8b0 [ 81.728973][ C0] sock_sendmsg+0x9f/0xc0 [ 81.729000][ C0] __sys_sendto+0x21f/0x320 [ 81.763745][ T8003] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.764232][ C0] __x64_sys_sendto+0x89/0xb0 [ 81.768332][ T8003] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.772711][ C0] do_syscall_64+0xcc/0x3a0 [ 81.790847][ T8003] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.792284][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.882740][ T8003] device veth0_vlan entered promiscuous mode [ 81.886046][ C0] [ 81.886050][ C0] Reported by Kernel Concurrency Sanitizer on: [ 81.886067][ C0] CPU: 0 PID: 7997 Comm: syz-executor.2 Not tainted 5.5.0-rc1-syzkaller #0 [ 81.886075][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.886080][ C0] ================================================================== [ 81.886097][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 81.895647][ T8003] device veth1_vlan entered promiscuous mode [ 81.897349][ C0] CPU: 0 PID: 7997 Comm: syz-executor.2 Not tainted 5.5.0-rc1-syzkaller #0 [ 81.897357][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.897361][ C0] Call Trace: [ 81.897366][ C0] [ 81.897387][ C0] dump_stack+0x11d/0x181 [ 81.897415][ C0] panic+0x210/0x640 [ 81.923210][ T8003] device veth0_macvtap entered promiscuous mode [ 81.926505][ C0] ? vprintk_func+0x8d/0x140 [ 81.926524][ C0] kcsan_report.cold+0xc/0xd [ 81.926551][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 81.943125][ T8003] device veth1_macvtap entered promiscuous mode [ 81.945113][ C0] ? __queue_work+0x910/0x910 [ 81.945140][ C0] __tsan_unaligned_write8+0xc7/0x110 [ 81.963397][ T8003] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 81.966384][ C0] run_timer_softirq+0x496/0xcd0 [ 81.966406][ C0] ? sched_clock+0x13/0x20 [ 81.966433][ C0] ? sched_clock_cpu+0x15/0xe0 [ 81.979446][ T8003] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 81.979871][ C0] __do_softirq+0x115/0x33f [ 81.983963][ T8003] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.987049][ C0] irq_exit+0xbb/0xe0 [ 81.987065][ C0] smp_apic_timer_interrupt+0xe6/0x280 [ 81.987151][ C0] apic_timer_interrupt+0xf/0x20 [ 81.994963][ T8003] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 81.997475][ C0] [ 81.997498][ C0] RIP: 0010:security_sock_rcv_skb+0x32/0xa0 [ 81.997518][ C0] Code: fe 48 8b 7d 08 41 55 49 89 f5 41 54 53 e8 e6 e8 25 ff e8 81 4b 18 ff 48 c7 c7 28 ce 34 86 e8 35 f5 25 ff 48 8b 1d 46 13 08 04 <48> 85 db 75 17 eb 53 e8 62 4b 18 ff 48 89 df e8 1a f5 25 ff 48 8b [ 81.997526][ C0] RSP: 0018:ffffc90001643a38 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 [ 81.997540][ C0] RAX: 000000000000000f RBX: ffffffff85d349c0 RCX: ffffffff86252538 [ 81.997548][ C0] RDX: 0000000000000000 RSI: ffffffff822cbacf RDI: ffffffff8634ce28 [ 81.997557][ C0] RBP: ffffc90001643a58 R08: 0000000000000000 R09: 0000ffff8634ce28 [ 81.997566][ C0] R10: 000088811c88957e R11: 0000ffff8634ce2f R12: ffff88811c889500 [ 81.997575][ C0] R13: ffff88811c889500 R14: ffff88810a616800 R15: 0000000000000000 [ 81.997601][ C0] ? security_sock_rcv_skb+0x1f/0xa0 [ 81.997622][ C0] ? security_sock_rcv_skb+0x2b/0xa0 [ 81.997639][ C0] sk_filter_trim_cap+0x7c/0x510 [ 81.997657][ C0] ? __rcu_read_unlock+0x66/0x3d0 [ 81.997686][ C0] netlink_unicast+0x144/0x4d0 [ 82.008345][ T8003] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 82.012383][ C0] netlink_ack+0x38b/0x680 [ 82.023997][ T8003] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.028768][ C0] netlink_rcv_skb+0x22a/0x260 [ 82.028787][ C0] ? rtnl_calcit.isra.0+0x220/0x220 [ 82.028808][ C0] rtnetlink_rcv+0x26/0x30 [ 82.028835][ C0] netlink_unicast+0x3a6/0x4d0 [ 82.244579][ C0] netlink_sendmsg+0x4d3/0x8b0 [ 82.249389][ C0] ? netlink_unicast+0x4d0/0x4d0 [ 82.254464][ C0] sock_sendmsg+0x9f/0xc0 [ 82.258793][ C0] __sys_sendto+0x21f/0x320 [ 82.263429][ C0] ? blkcg_maybe_throttle_current+0x23d/0x580 [ 82.269517][ C0] ? _raw_spin_unlock_irq+0x68/0x80 [ 82.274826][ C0] ? mem_cgroup_handle_over_high+0x50/0x180 [ 82.282124][ C0] __x64_sys_sendto+0x89/0xb0 [ 82.286901][ C0] do_syscall_64+0xcc/0x3a0 [ 82.291402][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 82.297412][ C0] RIP: 0033:0x415043 [ 82.301867][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 34 66 00 00 75 17 49 89 ca b8 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 [ 82.321715][ C0] RSP: 002b:00007ffd794d6c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 82.330158][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000415043 [ 82.338304][ C0] RDX: 0000000000000040 RSI: 0000000000a72250 RDI: 0000000000000003 [ 82.347115][ C0] RBP: 0000000000000000 R08: 00007ffd794d6c50 R09: 000000000000000c [ 82.355135][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 82.363206][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 [ 82.372779][ C0] Kernel Offset: disabled [ 82.377122][ C0] Rebooting in 86400 seconds..