[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.779886][ T23] audit: type=1800 audit(1578461312.125:25): pid=8305 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.814102][ T23] audit: type=1800 audit(1578461312.125:26): pid=8305 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.851933][ T23] audit: type=1800 audit(1578461312.125:27): pid=8305 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. 2020/01/08 05:28:40 fuzzer started 2020/01/08 05:28:42 dialing manager at 10.128.0.26:35703 2020/01/08 05:28:42 syscalls: 2824 2020/01/08 05:28:42 code coverage: enabled 2020/01/08 05:28:42 comparison tracing: enabled 2020/01/08 05:28:42 extra coverage: enabled 2020/01/08 05:28:42 setuid sandbox: enabled 2020/01/08 05:28:42 namespace sandbox: enabled 2020/01/08 05:28:42 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:28:42 fault injection: enabled 2020/01/08 05:28:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:28:42 net packet injection: enabled 2020/01/08 05:28:42 net device setup: enabled 2020/01/08 05:28:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:28:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:28:43 executing program 0: r0 = socket$inet6(0xa, 0x5, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x1a, &(0x7f0000000080)={r2}, &(0x7f0000000140)=0x8) 05:28:43 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) sendmmsg(r0, &(0x7f0000006840)=[{{0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000580)="067b097aec91c8baf68542fb8918cbbe62d0376264771f95cab424264f3ba839", 0x20}], 0x1}}], 0x1, 0x0) syzkaller login: [ 58.951747][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 59.137997][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 59.165183][ T8475] IPVS: ftp: loaded support on port[0] = 21 05:28:43 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xe) ioctl$TCGETA(r0, 0x402c542b, 0x0) [ 59.221561][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.233408][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.255814][ T8472] device bridge_slave_0 entered promiscuous mode [ 59.274092][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.281158][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.305757][ T8472] device bridge_slave_1 entered promiscuous mode [ 59.350523][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.376409][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.408965][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 59.419935][ T8472] team0: Port device team_slave_0 added [ 59.435542][ T8472] team0: Port device team_slave_1 added 05:28:43 executing program 3: r0 = socket$inet6(0xa, 0x3, 0x4) r1 = syz_open_procfs(0x0, &(0x7f0000000600)='auxv\x00') sendfile(r0, r1, &(0x7f0000000240)=0x2, 0x4000000000dc) [ 59.518498][ T8472] device hsr_slave_0 entered promiscuous mode [ 59.555659][ T8472] device hsr_slave_1 entered promiscuous mode [ 59.679082][ T8475] chnl_net:caif_netlink_parms(): no params data found [ 59.697945][ T8480] IPVS: ftp: loaded support on port[0] = 21 05:28:44 executing program 4: setpriority(0x0, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6(0xa, 0x0, 0x0) bind$inet6(0xffffffffffffffff, 0x0, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$team(0x0) openat$dlm_control(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@loopback, 0x0, 0x0, 0x100000003, 0x1, 0x0, 0x0, 0x400000000}, 0x20) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, 0x0, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) [ 59.802315][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 59.907908][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.924242][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.944194][ T8475] device bridge_slave_0 entered promiscuous mode [ 59.955426][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.962513][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.970593][ T8475] device bridge_slave_1 entered promiscuous mode [ 59.996385][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.029579][ T8483] IPVS: ftp: loaded support on port[0] = 21 [ 60.057015][ T8472] netdevsim netdevsim0 netdevsim0: renamed from eth0 05:28:44 executing program 5: r0 = openat$audio1(0xffffffffffffff9c, &(0x7f0000000000)='/dev/audio1\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_GETTRIGGER(r0, 0x80044df9, &(0x7f0000000040)) [ 60.120360][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.148173][ T8472] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.197313][ T8472] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.281498][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.288843][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.297439][ T8477] device bridge_slave_0 entered promiscuous mode [ 60.305912][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.312960][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.320814][ T8477] device bridge_slave_1 entered promiscuous mode [ 60.328032][ T8472] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.399822][ T8475] team0: Port device team_slave_0 added [ 60.409195][ T8475] team0: Port device team_slave_1 added [ 60.428422][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.440208][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 60.465925][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 60.475834][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.519221][ T8477] team0: Port device team_slave_0 added [ 60.566726][ T8475] device hsr_slave_0 entered promiscuous mode [ 60.614372][ T8475] device hsr_slave_1 entered promiscuous mode [ 60.674174][ T8475] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.681937][ T8475] Cannot create hsr debugfs directory [ 60.709437][ T8477] team0: Port device team_slave_1 added [ 60.730968][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.738601][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.746835][ T8480] device bridge_slave_0 entered promiscuous mode [ 60.805849][ T8477] device hsr_slave_0 entered promiscuous mode [ 60.844469][ T8477] device hsr_slave_1 entered promiscuous mode [ 60.904128][ T8477] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.911714][ T8477] Cannot create hsr debugfs directory [ 60.919499][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.927481][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.935286][ T8480] device bridge_slave_1 entered promiscuous mode [ 60.978665][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.021928][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.056815][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 61.091942][ T8475] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.176902][ T8475] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.217021][ T8480] team0: Port device team_slave_0 added [ 61.222884][ T8475] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.266416][ T8475] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.309159][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.316341][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.323891][ T8483] device bridge_slave_0 entered promiscuous mode [ 61.336800][ T8480] team0: Port device team_slave_1 added [ 61.352583][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.360509][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.368487][ T8483] device bridge_slave_1 entered promiscuous mode [ 61.476004][ T8480] device hsr_slave_0 entered promiscuous mode [ 61.524704][ T8480] device hsr_slave_1 entered promiscuous mode [ 61.574107][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.581683][ T8480] Cannot create hsr debugfs directory [ 61.599555][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 61.611752][ T8477] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.646917][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.659144][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.676437][ T8477] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.747915][ T8483] team0: Port device team_slave_0 added [ 61.755454][ T8483] team0: Port device team_slave_1 added [ 61.776240][ T8477] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.821582][ T8477] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.903797][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.911701][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.922418][ T8486] device bridge_slave_0 entered promiscuous mode [ 61.933028][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.940208][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.947966][ T8486] device bridge_slave_1 entered promiscuous mode [ 61.958419][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.026862][ T8483] device hsr_slave_0 entered promiscuous mode [ 62.064893][ T8483] device hsr_slave_1 entered promiscuous mode [ 62.104254][ T8483] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.111828][ T8483] Cannot create hsr debugfs directory [ 62.135713][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.147028][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.196354][ T8486] team0: Port device team_slave_0 added [ 62.203065][ T8486] team0: Port device team_slave_1 added [ 62.233724][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.242480][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.253251][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.325798][ T8486] device hsr_slave_0 entered promiscuous mode [ 62.374444][ T8486] device hsr_slave_1 entered promiscuous mode [ 62.424153][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.431735][ T8486] Cannot create hsr debugfs directory [ 62.464684][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.473203][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.481987][ T2727] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.489220][ T2727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.498254][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.538680][ T8480] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.576485][ T8480] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.633680][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.654702][ T8480] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.682316][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.691557][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.700460][ T2939] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.707561][ T2939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.727561][ T8480] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.798547][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.821908][ T8483] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.855897][ T8483] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.898096][ T8483] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.948608][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.955862][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.963538][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.971696][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.980570][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.990054][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.000418][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.008616][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.017426][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.034752][ T8483] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.105452][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.115579][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.124700][ T2727] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.131752][ T2727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.140392][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.148921][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.158050][ T2727] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.165255][ T2727] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.196537][ T8486] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.236362][ T8486] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.276761][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.284850][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.293321][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.301665][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.323149][ T8486] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.369915][ T8486] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.420648][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.441230][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.449826][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.458753][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.500858][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.511090][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.520653][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.530859][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.538428][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.546416][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.554109][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.561658][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.570151][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.578624][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.600985][ T8477] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.628333][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.637154][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.648690][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.657228][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.666170][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.674960][ T2900] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.682014][ T2900] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.715691][ T8475] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.728705][ T8475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.737802][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.746893][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.756542][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.765068][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.773514][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.782528][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.791387][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.800738][ T2900] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.807854][ T2900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.815859][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.824665][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.833081][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.841986][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.850924][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.859541][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.870311][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.889142][ T8472] device veth0_vlan entered promiscuous mode [ 63.901095][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.910209][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.918858][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.927572][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.936139][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.944547][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.953900][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.961672][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.974199][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.984076][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.992865][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.005880][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.015258][ T8477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.030625][ T8475] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.046085][ T8472] device veth1_vlan entered promiscuous mode [ 64.054787][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.062787][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.073061][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.115156][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.123754][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.133266][ T2727] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.140540][ T2727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.149193][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.158103][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.166801][ T2727] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.173831][ T2727] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.181592][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.189185][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.197077][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.206019][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.214816][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.222548][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.231546][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.239935][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.263240][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.275565][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.284766][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.293576][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.302748][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.311408][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.319843][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.328412][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.351076][ T8483] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.362527][ T8483] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.391351][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.399519][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.408189][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.416827][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.425208][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.433334][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.442813][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.451205][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.459597][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.467255][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.476086][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.484484][ T2931] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.491518][ T2931] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.499127][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.507958][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.516365][ T2931] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.523422][ T2931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.531488][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.539836][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.548258][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.556460][ T2931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.568226][ T8477] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.575481][ T8475] device veth0_vlan entered promiscuous mode [ 64.606801][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.639244][ T8475] device veth1_vlan entered promiscuous mode [ 64.647880][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.659064][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.667044][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.680745][ T8483] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.719994][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.733565][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.747780][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.758549][ T2900] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.765634][ T2900] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.778786][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.788302][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.801519][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.811472][ T2900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.824890][ T2900] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.831942][ T2900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 169.713982][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.721481][ C0] rcu: 0-...!: (10499 ticks this GP) idle=082/1/0x4000000000000002 softirq=12662/12662 fqs=6 [ 169.732059][ C0] (t=10500 jiffies g=6785 q=206) [ 169.737078][ C0] rcu: rcu_preempt kthread starved for 10487 jiffies! g6785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 169.748334][ C0] rcu: RCU grace-period kthread stack dump: [ 169.755089][ C0] rcu_preempt I28984 10 2 0x80004000 [ 169.761517][ C0] Call Trace: [ 169.764996][ C0] __schedule+0x9a0/0xcc0 [ 169.770028][ C0] schedule+0x181/0x210 [ 169.774263][ C0] schedule_timeout+0x14f/0x240 [ 169.779190][ C0] ? run_local_timers+0x120/0x120 [ 169.784221][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.788997][ C0] kthread+0x332/0x350 [ 169.793749][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.798974][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.803902][ C0] ret_from_fork+0x24/0x30 [ 169.808427][ C0] NMI backtrace for cpu 0 [ 169.813206][ C0] CPU: 0 PID: 8472 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.822049][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.832090][ C0] Call Trace: [ 169.835716][ C0] [ 169.838559][ C0] dump_stack+0x1fb/0x318 [ 169.842879][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.848511][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.854656][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.860714][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.867481][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.873463][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.878573][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.883766][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.890878][ C0] update_process_times+0x12d/0x180 [ 169.896513][ C0] tick_sched_timer+0x263/0x420 [ 169.901875][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.907430][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.913421][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.918581][ C0] ? debug_smp_processor_id+0x9/0x20 [ 169.924050][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 169.929593][ C0] apic_timer_interrupt+0xf/0x20 [ 169.935736][ C0] [ 169.938688][ C0] RIP: 0010:free_thread_stack+0x133/0x590 [ 169.944491][ C0] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 73 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 169.965128][ C0] RSP: 0018:ffffc90001e274b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.974229][ C0] RAX: 0000000000000001 RBX: ffffea0002788280 RCX: 0000000000000000 [ 169.982307][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002788280 [ 169.991160][ C0] RBP: ffffc90001e274f0 R08: 000000000003a728 R09: fffffbfff124248a [ 169.999125][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a6fc31a0 [ 170.009988][ C0] R13: dffffc0000000000 R14: 1ffff11014df8634 R15: ffff8880949056b8 [ 170.017971][ C0] ? free_thread_stack+0x12e/0x590 [ 170.023079][ C0] put_task_stack+0xa3/0x130 [ 170.028126][ C0] finish_task_switch+0x3f1/0x550 [ 170.033580][ C0] __schedule+0x9a8/0xcc0 [ 170.037909][ C0] preempt_schedule_irq+0xc1/0x140 [ 170.043020][ C0] retint_kernel+0x1b/0x2b [ 170.047448][ C0] RIP: 0010:stack_trace_consume_entry+0x70/0x260 [ 170.054292][ C0] Code: 74 24 10 49 8d 5c 24 08 48 89 d8 48 c1 e8 03 48 89 45 b8 42 8a 04 38 84 c0 0f 85 4d 01 00 00 48 89 5d c0 8b 1b 44 89 f7 89 de fb fd 10 00 4c 89 f0 39 d8 73 59 49 8d 54 24 0c 48 89 d3 48 c1 [ 170.074087][ C0] RSP: 0018:ffffc90001e27700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.083046][ C0] RAX: 1ffff920003c4f00 RBX: 0000000000000040 RCX: ffff88807dcc6440 [ 170.091545][ C0] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000 [ 170.099967][ C0] RBP: ffffc90001e27750 R08: ffffffff8165c225 R09: ffffc90001e27760 [ 170.107955][ C0] R10: fffff520003c4ef8 R11: 0000000000000000 R12: ffffc90001e27800 [ 170.115942][ C0] R13: 1ffff920003c4f02 R14: 0000000000000000 R15: dffffc0000000000 [ 170.124790][ C0] ? stack_trace_consume_entry+0xa5/0x260 [ 170.130514][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 170.135444][ C0] ? stack_trace_save+0x150/0x150 [ 170.140743][ C0] arch_stack_walk+0xa8/0xe0 [ 170.145427][ C0] ? __kasan_kmalloc+0x11c/0x1b0 [ 170.150449][ C0] stack_trace_save+0xb6/0x150 [ 170.155838][ C0] __kasan_kmalloc+0x11c/0x1b0 [ 170.160708][ C0] ? nf_getsockopt+0x287/0x2b0 [ 170.165465][ C0] ? __sys_getsockopt+0x24c/0x2b0 [ 170.170498][ C0] ? __x64_sys_getsockopt+0xbf/0xd0 [ 170.175951][ C0] ? do_syscall_64+0xf7/0x1c0 [ 170.180791][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.186976][ C0] ? __kasan_check_read+0x11/0x20 [ 170.191995][ C0] ? mark_lock+0x107/0x1650 [ 170.196528][ C0] ? apply_to_page_range+0x3b/0x50 [ 170.201656][ C0] ? rcu_read_lock_sched_held+0x10b/0x170 [ 170.208361][ C0] ? trace_kmalloc_node+0xd3/0x130 [ 170.213468][ C0] ? kmem_cache_alloc_node_trace+0x268/0x2d0 [ 170.219440][ C0] kasan_kmalloc+0x9/0x10 [ 170.224109][ C0] __kmalloc_node+0x4d/0x60 [ 170.229152][ C0] __vmalloc_node_range+0x2ba/0x850 [ 170.235212][ C0] ? __mutex_lock_common+0x4f5/0x2e10 [ 170.240589][ C0] ? xt_find_table_lock+0x48/0x3b0 [ 170.245695][ C0] vzalloc+0x73/0x80 [ 170.249579][ C0] ? alloc_counters+0x6b/0x6e0 [ 170.254333][ C0] alloc_counters+0x6b/0x6e0 [ 170.259108][ C0] ? xt_find_table_lock+0x1e2/0x3b0 [ 170.265255][ C0] do_ip6t_get_ctl+0x4a6/0x9b0 [ 170.270010][ C0] ? __kasan_check_write+0x14/0x20 [ 170.275632][ C0] ? __mutex_unlock_slowpath+0x13c/0x5b0 [ 170.281260][ C0] nf_getsockopt+0x287/0x2b0 [ 170.286390][ C0] ipv6_getsockopt+0x1c3/0x2c0 [ 170.291581][ C0] ? __up_read+0x238/0x740 [ 170.295994][ C0] tcp_getsockopt+0xbe/0xd0 [ 170.300492][ C0] sock_common_getsockopt+0x99/0xb0 [ 170.305840][ C0] __sys_getsockopt+0x24c/0x2b0 [ 170.310782][ C0] __x64_sys_getsockopt+0xbf/0xd0 [ 170.315889][ C0] do_syscall_64+0xf7/0x1c0 [ 170.320483][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.326451][ C0] RIP: 0033:0x45da5a [ 170.330352][ C0] Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 8d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 170.350915][ C0] RSP: 002b:00007ffe2dc3b568 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 170.359677][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045da5a [ 170.368391][ C0] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 170.376972][ C0] RBP: 0000000000000029 R08: 00007ffe2dc3b58c R09: 0000000000000358 [ 170.385413][ C0] R10: 00007ffe2dc3b590 R11: 0000000000000246 R12: 00000000004c811b [ 170.393373][ C0] R13: 0000000000719cc0 R14: 0000000000000358 R15: 0000000000719600