[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.732764][ T23] audit: type=1800 audit(1578475052.913:25): pid=8337 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.751879][ T23] audit: type=1800 audit(1578475052.923:26): pid=8337 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.787014][ T23] audit: type=1800 audit(1578475052.923:27): pid=8337 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 '10.128.0.19' (ECDSA) to the list of known hosts. 2020/01/08 09:17:45 fuzzer started 2020/01/08 09:17:47 dialing manager at 10.128.0.26:35703 2020/01/08 09:17:47 syscalls: 2824 2020/01/08 09:17:47 code coverage: enabled 2020/01/08 09:17:47 comparison tracing: enabled 2020/01/08 09:17:47 extra coverage: enabled 2020/01/08 09:17:47 setuid sandbox: enabled 2020/01/08 09:17:47 namespace sandbox: enabled 2020/01/08 09:17:47 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:17:47 fault injection: enabled 2020/01/08 09:17:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:17:47 net packet injection: enabled 2020/01/08 09:17:47 net device setup: enabled 2020/01/08 09:17:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:17:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:17:48 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=@newlink={0x1e4, 0x10, 0xe3b, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, 0x6}, @IFLA_LINKINFO={0x1bc, 0x12, @ip6ip6={{0xc, 0x1, 'ip6tnl\x00'}, {0x1ac, 0x2, [@tunl6_policy=[@IFLA_IPTUN_LOCAL={0x14, 0x2, @empty}, @IFLA_IPTUN_REMOTE={0x14, 0x3, @dev}, @IFLA_IPTUN_FLOWINFO={0x8}, @IFLA_IPTUN_ENCAP_LIMIT={0x8}, @IFLA_IPTUN_ENCAP_LIMIT={0x8}], @tunl6_policy, @tunl6_policy=[@IFLA_IPTUN_FLAGS={0x8}, @IFLA_IPTUN_REMOTE={0x14, 0x10, @rand_addr="26235e58cad1850f7229ff12de5fb0c3"}, @IFLA_IPTUN_LOCAL={0x14, 0x2, @remote}, @IFLA_IPTUN_LOCAL={0x14, 0x2, @local}, @IFLA_IPTUN_LOCAL={0x14, 0x2, @rand_addr="3ac7d85d2b57aff87f52e359db35f2e6"}, @tunl_policy=[@IFLA_IPTUN_ENCAP_SPORT, @IFLA_IPTUN_LINK={0x8}, @IFLA_IPTUN_TTL={0x8}, @IFLA_IPTUN_TOS={0x8}, @IFLA_IPTUN_FWMARK={0x8}], @IFLA_IPTUN_FLOWINFO={0x8}, @IFLA_IPTUN_FLAGS={0x8}, @IFLA_IPTUN_ENCAP_LIMIT={0x8}], @IFLA_IPTUN_PROTO={0x8}, @tunl6_policy=[@IFLA_IPTUN_FLAGS={0x8}, @IFLA_IPTUN_REMOTE={0x0, 0x3, @local}, @IFLA_IPTUN_FLOWINFO={0x8}, @IFLA_IPTUN_FLAGS={0x8}, @IFLA_IPTUN_REMOTE={0x14, 0x3, @empty}, @tunl_policy=[@IFLA_IPTUN_ENCAP_FLAGS={0x8}, @IFLA_IPTUN_TTL={0x8}, @IFLA_IPTUN_TOS={0x8}, @IFLA_IPTUN_ENCAP_FLAGS={0x8}, @IFLA_IPTUN_LINK={0x8}, @IFLA_IPTUN_FWMARK={0x8}, @IFLA_IPTUN_ENCAP_DPORT={0x8}, @IFLA_IPTUN_COLLECT_METADATA={0x4}, @IFLA_IPTUN_FWMARK={0x8}, @IFLA_IPTUN_ENCAP_TYPE={0x8}], @tunl_policy=[@IFLA_IPTUN_ENCAP_DPORT={0x8}, @IFLA_IPTUN_ENCAP_DPORT={0x8}, @IFLA_IPTUN_FWMARK={0x8}, @IFLA_IPTUN_ENCAP_SPORT={0x8}, @IFLA_IPTUN_TTL={0x8}, @IFLA_IPTUN_TTL={0x8}, @IFLA_IPTUN_ENCAP_TYPE={0x1}, @IFLA_IPTUN_FWMARK={0x8}]], @IFLA_IPTUN_PROTO={0x8}]}}}]}, 0x1e4}}, 0x0) 09:17:48 executing program 1: mknod(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) mount(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)='nfs4\x00', 0x0, 0x0) syzkaller login: [ 61.411818][ T8503] IPVS: ftp: loaded support on port[0] = 21 [ 61.575123][ T8503] chnl_net:caif_netlink_parms(): no params data found [ 61.575713][ T8506] IPVS: ftp: loaded support on port[0] = 21 09:17:48 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f0000000140)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x2, [@typedef={0x1}]}}, &(0x7f00000003c0)=""/219, 0x26, 0xdb, 0x8}, 0x20) [ 61.680717][ T8503] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.688558][ T8503] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.696966][ T8503] device bridge_slave_0 entered promiscuous mode [ 61.751989][ T8503] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.760679][ T8503] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.785322][ T8503] device bridge_slave_1 entered promiscuous mode [ 61.810846][ T8506] chnl_net:caif_netlink_parms(): no params data found [ 61.851992][ T8503] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.902447][ T8503] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.929737][ T8506] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.943963][ T8506] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.951600][ T8506] device bridge_slave_0 entered promiscuous mode [ 61.973508][ T8503] team0: Port device team_slave_0 added [ 61.994311][ T8506] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.001472][ T8506] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.012443][ T8506] device bridge_slave_1 entered promiscuous mode 09:17:49 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/mcfilter6\x00') preadv(r0, &(0x7f00000001c0)=[{&(0x7f0000000040)=""/100, 0x64}], 0x1, 0x5) [ 62.021202][ T8503] team0: Port device team_slave_1 added [ 62.047362][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 62.157402][ T8503] device hsr_slave_0 entered promiscuous mode [ 62.194442][ T8503] device hsr_slave_1 entered promiscuous mode 09:17:49 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) clock_adjtime(0x0, &(0x7f0000000000)={0xf0}) [ 62.288981][ T8506] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.308930][ T8506] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.366999][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 62.408152][ T8506] team0: Port device team_slave_0 added [ 62.417153][ T8506] team0: Port device team_slave_1 added [ 62.475386][ T8513] IPVS: ftp: loaded support on port[0] = 21 09:17:49 executing program 5: openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) dup(0xffffffffffffffff) 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, 0x0, 0xffffffffffffffff, 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f0000000080)='.\x00', 0xfe) pipe(0x0) r1 = open(&(0x7f0000000040)='./file0\x00', 0x200c2, 0x0) inotify_add_watch(r0, &(0x7f0000000000)='./file0\x00', 0x4000082) write$nbd(r1, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"], 0x74) sendfile(r1, r1, &(0x7f0000000200), 0xa198) [ 62.557789][ T8506] device hsr_slave_0 entered promiscuous mode [ 62.614393][ T8506] device hsr_slave_1 entered promiscuous mode [ 62.654890][ T8506] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.662652][ T8506] Cannot create hsr debugfs directory [ 62.688068][ T8515] IPVS: ftp: loaded support on port[0] = 21 [ 62.829649][ T8503] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.876538][ T8503] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.925903][ T8503] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.970097][ T8503] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.046864][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 63.113376][ T8506] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.206491][ T8506] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.245732][ T8506] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.299880][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 63.319106][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.327827][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.335821][ T8509] device bridge_slave_0 entered promiscuous mode [ 63.343316][ T8506] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.407449][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.415725][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.423332][ T8509] device bridge_slave_1 entered promiscuous mode [ 63.441328][ T8513] chnl_net:caif_netlink_parms(): no params data found [ 63.477712][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.527442][ T8515] chnl_net:caif_netlink_parms(): no params data found [ 63.539010][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.588244][ T8509] team0: Port device team_slave_0 added [ 63.598657][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.607051][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.615292][ T8511] device bridge_slave_0 entered promiscuous mode [ 63.625197][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.632262][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.640496][ T8511] device bridge_slave_1 entered promiscuous mode [ 63.664303][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.674807][ T8509] team0: Port device team_slave_1 added [ 63.702365][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.709956][ T8513] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.718442][ T8513] device bridge_slave_0 entered promiscuous mode [ 63.727277][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.763112][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.770620][ T8513] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.782193][ T8513] device bridge_slave_1 entered promiscuous mode [ 63.847411][ T8509] device hsr_slave_0 entered promiscuous mode [ 63.904348][ T8509] device hsr_slave_1 entered promiscuous mode [ 63.964061][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.972038][ T8509] Cannot create hsr debugfs directory [ 63.977782][ T8515] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.985099][ T8515] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.992743][ T8515] device bridge_slave_0 entered promiscuous mode [ 64.012797][ T8506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.031076][ T8515] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.038333][ T8515] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.049018][ T8515] device bridge_slave_1 entered promiscuous mode [ 64.057972][ T8511] team0: Port device team_slave_0 added [ 64.069098][ T8511] team0: Port device team_slave_1 added [ 64.090115][ T8503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.118316][ T8513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.129593][ T8506] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.138760][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.147255][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.162323][ T8503] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.190808][ T8515] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.201822][ T8513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.222384][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.230040][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.276621][ T8511] device hsr_slave_0 entered promiscuous mode [ 64.324286][ T8511] device hsr_slave_1 entered promiscuous mode [ 64.374063][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.381642][ T8511] Cannot create hsr debugfs directory [ 64.389137][ T8515] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.400745][ T8513] team0: Port device team_slave_0 added [ 64.412730][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.421322][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.429839][ T3922] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.437043][ T3922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.445523][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.468044][ T8513] team0: Port device team_slave_1 added [ 64.488402][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.497398][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.505904][ T2748] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.512930][ T2748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.523027][ T8515] team0: Port device team_slave_0 added [ 64.532333][ T8515] team0: Port device team_slave_1 added [ 64.562790][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.572109][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.585333][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.593562][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.600658][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.608803][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.618171][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.626718][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.633768][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.644560][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.686606][ T8513] device hsr_slave_0 entered promiscuous mode [ 64.725272][ T8513] device hsr_slave_1 entered promiscuous mode [ 64.764065][ T8513] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.771759][ T8513] Cannot create hsr debugfs directory [ 64.800078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.830334][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.839930][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.852579][ T8509] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.946020][ T8515] device hsr_slave_0 entered promiscuous mode [ 65.004274][ T8515] device hsr_slave_1 entered promiscuous mode [ 65.074041][ T8515] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.081637][ T8515] Cannot create hsr debugfs directory [ 65.100410][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.110203][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.120155][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.131161][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.139981][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.149031][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.157761][ T8509] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.236814][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.247358][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.255182][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.263369][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.274342][ T8509] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.321613][ T8509] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.407020][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.416349][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.425126][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.433297][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.441576][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.449996][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.458377][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.466936][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.490768][ T8506] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.505860][ T8503] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.543090][ T8513] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.596834][ T8513] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.628922][ T8511] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.689885][ T8513] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.740421][ T8513] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.775725][ T8511] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.842873][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.852576][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.861000][ T8511] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.929920][ T8511] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.984021][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.991500][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.002236][ T8503] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.019899][ T8506] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.043648][ T8515] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.116885][ T8515] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.153045][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.164659][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.179354][ T8515] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.216368][ T8515] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.292954][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.318967][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.327980][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.376381][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.384741][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.392876][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.402036][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.410087][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.418479][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.427188][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.436429][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.444522][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.452150][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.459979][ T2677] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.477470][ T8503] device veth0_vlan entered promiscuous mode [ 66.487342][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.509756][ T8506] device veth0_vlan entered promiscuous mode [ 66.521810][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.530367][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.543089][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.557195][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.567565][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.576710][ T3922] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.583782][ T3922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.616267][ T8513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.623487][ T8503] device veth1_vlan entered promiscuous mode [ 66.637100][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.645742][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.653466][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.662266][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.670715][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.677810][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.686522][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.695514][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.704328][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.712911][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.721419][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.730465][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.739248][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.747735][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.756198][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.764749][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.773122][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.782275][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.790695][ T2748] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.798127][ T2748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.807398][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.815952][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.833574][ T8513] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.843254][ T8506] device veth1_vlan entered promiscuous mode [ 66.854569][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.862529][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.873110][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.881474][ T3894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.923630][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.935349][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.943624][ T2748] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.951188][ T2748] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.959553][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.969115][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.977662][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.984760][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.992359][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.001476][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.010432][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.018692][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.027241][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.036271][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.045353][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.070108][ T8511] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.081001][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.103558][ T8515] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.125150][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.133149][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.149404][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.158841][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.167619][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.176711][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.185039][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.199429][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.207988][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.222314][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.230267][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.290489][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.365480][ T8513] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.381204][ T8513] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.421522][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.449936][ T8515] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.458323][ T8522] netlink: 'syz-executor.0': attribute type 6 has an invalid length. [ 67.471924][ T8522] netlink: 'syz-executor.0': attribute type 6 has an invalid length. [ 67.481468][ T8522] netlink: 'syz-executor.0': attribute type 16 has an invalid length. [ 67.496637][ T8522] netlink: 272 bytes leftover after parsing attributes in process `syz-executor.0'. [ 172.193837][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.200683][ C0] rcu: 0-...!: (1 GPs behind) idle=58e/1/0x4000000000000002 softirq=12013/12016 fqs=36 [ 172.210658][ C0] (t=10501 jiffies g=7021 q=553) [ 172.215677][ C0] rcu: rcu_preempt kthread starved for 10428 jiffies! g7021 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.226847][ C0] rcu: RCU grace-period kthread stack dump: [ 172.232722][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 172.240702][ C0] Call Trace: [ 172.243993][ C0] __schedule+0x9a0/0xcc0 [ 172.248508][ C0] schedule+0x181/0x210 [ 172.252761][ C0] schedule_timeout+0x14f/0x240 [ 172.257604][ C0] ? run_local_timers+0x120/0x120 [ 172.262898][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.267663][ C0] kthread+0x332/0x350 [ 172.271717][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.276817][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.281400][ C0] ret_from_fork+0x24/0x30 [ 172.285817][ C0] NMI backtrace for cpu 0 [ 172.290135][ C0] CPU: 0 PID: 8375 Comm: rsyslogd Not tainted 5.5.0-rc5-syzkaller #0 [ 172.299066][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.309142][ C0] Call Trace: [ 172.312434][ C0] [ 172.315284][ C0] dump_stack+0x1fb/0x318 [ 172.319609][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.324449][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.330612][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.336675][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.342647][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.348529][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.353635][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.358824][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.363850][ C0] update_process_times+0x12d/0x180 [ 172.369041][ C0] tick_sched_timer+0x263/0x420 [ 172.373901][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.379539][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.384744][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.389688][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.394974][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.400510][ C0] apic_timer_interrupt+0xf/0x20 [ 172.405433][ C0] [ 172.408379][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 172.414088][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 172.433707][ C0] RSP: 0018:ffffc90001a57a58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.442108][ C0] RAX: 1ffff11012466d31 RBX: ffff888092336988 RCX: ffff8880983940c0 [ 172.450068][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000255d280 [ 172.458027][ C0] RBP: ffffc90001a57a90 R08: dffffc0000000000 R09: fffffbfff124248a [ 172.466077][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888092336a20 [ 172.474039][ C0] R13: dffffc0000000000 R14: 1ffff11012466d44 R15: ffff8880a72df4f8 [ 172.482022][ C0] ? free_thread_stack+0x168/0x590 [ 172.487127][ C0] put_task_stack+0xa3/0x130 [ 172.491707][ C0] finish_task_switch+0x3f1/0x550 [ 172.496729][ C0] __schedule+0x9a8/0xcc0 [ 172.501057][ C0] schedule+0x181/0x210 [ 172.505206][ C0] do_syslog+0xdb0/0x1770 [ 172.509555][ C0] ? init_wait_entry+0xe0/0xe0 [ 172.514327][ C0] kmsg_read+0x94/0xd0 [ 172.518397][ C0] ? mmap_vmcore_fault+0x10/0x10 [ 172.523329][ C0] proc_reg_read+0x1e2/0x2d0 [ 172.527912][ C0] ? proc_reg_llseek+0x2c0/0x2c0 [ 172.532843][ C0] __vfs_read+0xb8/0x730 [ 172.537081][ C0] ? security_file_permission+0x23c/0x350 [ 172.542791][ C0] ? rw_verify_area+0x1c2/0x360 [ 172.547659][ C0] vfs_read+0x1dd/0x420 [ 172.551810][ C0] ksys_read+0x117/0x220 [ 172.556056][ C0] __x64_sys_read+0x7b/0x90 [ 172.560549][ C0] do_syscall_64+0xf7/0x1c0 [ 172.565049][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.570948][ C0] RIP: 0033:0x7f65ea9dd1fd [ 172.575354][ C0] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 172.594949][ C0] RSP: 002b:00007f65e7f7ce30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 172.603350][ C0] RAX: ffffffffffffffda RBX: 00000000017c8650 RCX: 00007f65ea9dd1fd [ 172.611397][ C0] RDX: 0000000000000fff RSI: 00007f65e97b15a0 RDI: 0000000000000004 [ 172.619355][ C0] RBP: 0000000000000000 R08: 00000000017b3260 R09: 0000000000000000 [ 172.628180][ C0] R10: 0000000000000013 R11: 0000000000000293 R12: 000000000065e420 [ 172.636141][ C0] R13: 00007f65e7f7d9c0 R14: 00007f65eb022040 R15: 0000000000000003