[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.378423][ T23] audit: type=1800 audit(1578452020.493:25): pid=8215 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.409901][ T23] audit: type=1800 audit(1578452020.493:26): pid=8215 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.443353][ T23] audit: type=1800 audit(1578452020.493:27): pid=8215 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 '10.128.10.13' (ECDSA) to the list of known hosts. 2020/01/08 02:53:53 fuzzer started 2020/01/08 02:53:54 dialing manager at 10.128.0.26:35703 2020/01/08 02:53:54 syscalls: 2824 2020/01/08 02:53:54 code coverage: enabled 2020/01/08 02:53:54 comparison tracing: enabled 2020/01/08 02:53:54 extra coverage: enabled 2020/01/08 02:53:54 setuid sandbox: enabled 2020/01/08 02:53:54 namespace sandbox: enabled 2020/01/08 02:53:54 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:53:54 fault injection: enabled 2020/01/08 02:53:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:53:54 net packet injection: enabled 2020/01/08 02:53:54 net device setup: enabled 2020/01/08 02:53:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:53:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:53:55 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000000080)=ANY=[@ANYBLOB="0000000400000000"], 0x8) bind$inet6(r0, &(0x7f0000f5dfe4)={0xa, 0x4e20}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000100)=0x6, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000240)={0xa, 0x4e20, 0x0, @mcast1}, 0x1c) recvmmsg(r0, &(0x7f0000007ac0)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000002500)=""/4, 0x4}}], 0x1, 0x0, 0x0) 02:53:56 executing program 1: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000440)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f00000001c0), 0x4) syzkaller login: [ 61.983052][ T8380] IPVS: ftp: loaded support on port[0] = 21 02:53:56 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x476, 0x101102) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmsg$TEAM_CMD_PORT_LIST_GET(0xffffffffffffffff, &(0x7f0000000c80)={0x0, 0x0, &(0x7f0000000c40)={&(0x7f0000000800)={0x15c, 0x0, 0x0, 0x0, 0x0, {}, [{{0x8}, {0xf8, 0x2, [{0x38, 0x1, @notify_peers_interval={{0x24, 0x1, 'notify_peers_interval\x00'}, {0x8}, {0x8}}}, {0x40, 0x1, @lb_hash_stats={{{0x24, 0x1, 'lb_hash_stats\x00'}, {0x8}, {0x8}}, {0x8}}}, {0x40, 0x1, @lb_tx_hash_to_port_mapping={{{0x24, 0x1, 'lb_tx_hash_to_port_mapping\x00'}, {0x8}, {0x8}}, {0x8}}}, {0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8}, {0x4}}, {0x8}}}]}}, {{0x8}, {0x40, 0x2, [{0x3c, 0x1, @enabled={{{0x24, 0x1, 'enabled\x00'}, {0x8}, {0x4}}, {0x8}}}]}}]}, 0x15c}}, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write$evdev(r0, &(0x7f0000000100)=[{{0x0, 0x7530}}], 0xff49) [ 62.138852][ T8382] IPVS: ftp: loaded support on port[0] = 21 [ 62.146765][ T8380] chnl_net:caif_netlink_parms(): no params data found [ 62.281757][ T8380] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.289386][ T8380] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.297784][ T8380] device bridge_slave_0 entered promiscuous mode [ 62.314403][ T8385] IPVS: ftp: loaded support on port[0] = 21 [ 62.330291][ T8380] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.337339][ T8380] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.346074][ T8380] device bridge_slave_1 entered promiscuous mode [ 62.426356][ T8380] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.443715][ T8382] chnl_net:caif_netlink_parms(): no params data found [ 62.458270][ T8380] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:53:56 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) bind(r0, &(0x7f00000002c0)=@in={0x2, 0x4e20}, 0x80) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='ip6gretap0\x00', 0x10) setsockopt$inet_int(r0, 0x0, 0x12, &(0x7f0000000440)=0x7, 0x4) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x2, 0x18004e20, @multicast1}, 0x10) setsockopt$inet_int(r0, 0x0, 0x17, &(0x7f0000000140)=0x95, 0x4) recvmsg(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) [ 62.536792][ T8380] team0: Port device team_slave_0 added [ 62.563897][ T8380] team0: Port device team_slave_1 added [ 62.575522][ T8385] chnl_net:caif_netlink_parms(): no params data found [ 62.587755][ T8382] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.595000][ T8382] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.604725][ T8382] device bridge_slave_0 entered promiscuous mode [ 62.628723][ T8382] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.635937][ T8382] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.645646][ T8382] device bridge_slave_1 entered promiscuous mode 02:53:56 executing program 4: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f00000001c0)={0x18, 0x0, {0x100003, @local, 'ip6_vti0\x00'}}, 0x1e) ioctl$PPPIOCGCHAN(r0, 0x80047437, &(0x7f0000000080)) recvmmsg(r0, &(0x7f0000004600)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) [ 62.722567][ T8380] device hsr_slave_0 entered promiscuous mode [ 62.770283][ T8380] device hsr_slave_1 entered promiscuous mode [ 62.864711][ T8382] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.916805][ T8382] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.917232][ T8390] IPVS: ftp: loaded support on port[0] = 21 [ 62.940021][ T8385] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.947098][ T8385] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.955169][ T8385] device bridge_slave_0 entered promiscuous mode [ 62.987618][ T8392] IPVS: ftp: loaded support on port[0] = 21 [ 63.001923][ T8382] team0: Port device team_slave_0 added [ 63.007824][ T8385] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.019751][ T8385] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.027710][ T8385] device bridge_slave_1 entered promiscuous mode [ 63.053324][ T8382] team0: Port device team_slave_1 added 02:53:57 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'\x00', 0x2ee6bc40dbce6995}) ioctl$TUNSETQUEUE(r0, 0x400454d9, &(0x7f0000000040)={'nr0\x00', 0x400}) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_PROTO_DOWN={0x8, 0xd}]}, 0x30}}, 0x0) [ 63.097518][ T8385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.114954][ T8385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.172398][ T8382] device hsr_slave_0 entered promiscuous mode [ 63.210138][ T8382] device hsr_slave_1 entered promiscuous mode [ 63.269974][ T8382] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.277706][ T8382] Cannot create hsr debugfs directory [ 63.315160][ T8394] IPVS: ftp: loaded support on port[0] = 21 [ 63.357470][ T8385] team0: Port device team_slave_0 added [ 63.398851][ T8385] team0: Port device team_slave_1 added [ 63.418452][ T8390] chnl_net:caif_netlink_parms(): no params data found [ 63.428414][ T8380] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.494435][ T8380] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.553170][ T8380] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.642127][ T8380] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.693919][ T8390] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.701823][ T8390] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.709570][ T8390] device bridge_slave_0 entered promiscuous mode [ 63.772456][ T8385] device hsr_slave_0 entered promiscuous mode [ 63.830901][ T8385] device hsr_slave_1 entered promiscuous mode [ 63.869969][ T8385] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.877537][ T8385] Cannot create hsr debugfs directory [ 63.884205][ T8390] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.891603][ T8390] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.899174][ T8390] device bridge_slave_1 entered promiscuous mode [ 63.936953][ T8390] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.950754][ T8392] chnl_net:caif_netlink_parms(): no params data found [ 63.981329][ T8390] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.018360][ T8382] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.063890][ T8390] team0: Port device team_slave_0 added [ 64.075888][ T8390] team0: Port device team_slave_1 added [ 64.096324][ T8382] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.136175][ T8382] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.213731][ T8382] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.374108][ T8390] device hsr_slave_0 entered promiscuous mode [ 64.420147][ T8390] device hsr_slave_1 entered promiscuous mode [ 64.480634][ T8390] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.488255][ T8390] Cannot create hsr debugfs directory [ 64.515251][ T8385] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.561425][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.568484][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.576577][ T8392] device bridge_slave_0 entered promiscuous mode [ 64.584815][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.591929][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.599549][ T8392] device bridge_slave_1 entered promiscuous mode [ 64.621595][ T8385] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.678887][ T8385] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.756960][ T8385] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.799320][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.810669][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.827396][ T8380] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.834835][ T8394] chnl_net:caif_netlink_parms(): no params data found [ 64.869269][ T8380] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.894868][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.905593][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.913645][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.922828][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.931336][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.938476][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.946409][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.954964][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.963325][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.970400][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.982050][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.009957][ T8390] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.051168][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.059704][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.068554][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.077376][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.085890][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.094645][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.103149][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.112080][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.120424][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.129761][ T8392] team0: Port device team_slave_0 added [ 65.139638][ T8392] team0: Port device team_slave_1 added [ 65.165886][ T8390] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.228842][ T8390] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.322406][ T8392] device hsr_slave_0 entered promiscuous mode [ 65.360333][ T8392] device hsr_slave_1 entered promiscuous mode [ 65.401357][ T8392] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.408929][ T8392] Cannot create hsr debugfs directory [ 65.415621][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.424551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.447335][ T8380] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.456288][ T8390] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.567539][ T8394] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.575505][ T8394] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.583499][ T8394] device bridge_slave_0 entered promiscuous mode [ 65.604306][ T8385] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.617701][ T8394] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.625103][ T8394] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.635786][ T8394] device bridge_slave_1 entered promiscuous mode [ 65.648703][ T8382] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.669942][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.677365][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.689900][ T8394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.713729][ T8380] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.724927][ T8394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.751936][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.759657][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.767382][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.775035][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.784882][ T8382] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.818474][ T8385] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.837022][ T8392] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.896033][ T8392] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.942696][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.951859][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.960520][ T3815] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.967563][ T3815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.976464][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.985181][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.993739][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.002118][ T3815] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.009131][ T3815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.019635][ T8394] team0: Port device team_slave_0 added [ 66.028959][ T8394] team0: Port device team_slave_1 added [ 66.035558][ T8392] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.112292][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.121457][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.129714][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.136817][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.145603][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.154565][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.163834][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.170917][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.178445][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.187605][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.196220][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.204834][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.213444][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.222440][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.253643][ T8392] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.291966][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.302497][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.311871][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.320928][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.329261][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.337970][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.346065][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.364391][ T8390] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.423367][ T8394] device hsr_slave_0 entered promiscuous mode [ 66.450093][ T8394] device hsr_slave_1 entered promiscuous mode [ 66.489897][ T8394] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.497463][ T8394] Cannot create hsr debugfs directory [ 66.520320][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.528877][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.537389][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.547458][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.556521][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.565082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.573268][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.581885][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.591927][ T8380] device veth0_vlan entered promiscuous mode [ 66.616464][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.624258][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.632802][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.644211][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.652911][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.661246][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.673376][ T8380] device veth1_vlan entered promiscuous mode [ 66.697523][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.705569][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.715557][ T8390] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.724476][ T8382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.742329][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.753553][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.780786][ T8385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.799004][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.809044][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.817421][ T3815] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.824487][ T3815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.832809][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.841374][ T3815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.849583][ T3815] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.856677][ T3815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.900462][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.908434][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.918791][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.927815][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.937299][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.945833][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.954898][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.963320][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.971194][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.978646][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.987193][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.995454][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.003134][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.025721][ T8385] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.037459][ T8382] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.048238][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.057637][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.069271][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.096292][ T8392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.120623][ T8394] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.138059][ T8401] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 172.099767][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.106638][ C1] rcu: 1-...!: (10499 ticks this GP) idle=23a/1/0x4000000000000002 softirq=11940/11940 fqs=2 [ 172.117306][ C1] (t=10500 jiffies g=6741 q=71) [ 172.122271][ C1] rcu: rcu_preempt kthread starved for 10495 jiffies! g6741 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.133364][ C1] rcu: RCU grace-period kthread stack dump: [ 172.139245][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.147132][ C1] Call Trace: [ 172.150419][ C1] __schedule+0x9a0/0xcc0 [ 172.154755][ C1] schedule+0x181/0x210 [ 172.158902][ C1] schedule_timeout+0x14f/0x240 [ 172.163747][ C1] ? run_local_timers+0x120/0x120 [ 172.168766][ C1] rcu_gp_kthread+0xed8/0x1770 [ 172.173531][ C1] kthread+0x332/0x350 [ 172.177589][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 172.182687][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.187266][ C1] ret_from_fork+0x24/0x30 [ 172.191686][ C1] NMI backtrace for cpu 1 [ 172.196004][ C1] CPU: 1 PID: 8380 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.204572][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.214714][ C1] Call Trace: [ 172.217991][ C1] [ 172.220833][ C1] dump_stack+0x1fb/0x318 [ 172.225167][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.230007][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.236148][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.242201][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.248172][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.254050][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.259157][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.264346][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.269363][ C1] update_process_times+0x12d/0x180 [ 172.274553][ C1] tick_sched_timer+0x263/0x420 [ 172.279395][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.284930][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.290248][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.295197][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.300486][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.306032][ C1] apic_timer_interrupt+0xf/0x20 [ 172.310956][ C1] [ 172.313889][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 172.319611][ C1] 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 [ 172.339205][ C1] RSP: 0018:ffffc90001ea7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.347605][ C1] RAX: 0000000000000001 RBX: ffffea0002549ac0 RCX: 0000000000000000 [ 172.355561][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002549ac0 [ 172.363521][ C1] RBP: ffffc90001ea7c08 R08: 000000000003a728 R09: ffffed1013bfba91 [ 172.371482][ C1] R10: ffffed1013bfba91 R11: 0000000000000000 R12: ffff888093b5b5a0 [ 172.379438][ C1] R13: dffffc0000000000 R14: 1ffff1101276b6b4 R15: ffff88809dfdd478 [ 172.387421][ C1] put_task_stack+0xa3/0x130 [ 172.392013][ C1] finish_task_switch+0x3f1/0x550 [ 172.397032][ C1] __schedule+0x9a8/0xcc0 [ 172.401358][ C1] schedule+0x181/0x210 [ 172.405502][ C1] do_nanosleep+0x1d0/0x6c0 [ 172.410004][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 172.414936][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 172.420731][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 172.425837][ C1] do_syscall_64+0xf7/0x1c0 [ 172.430337][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.436229][ C1] RIP: 0033:0x4593f0 [ 172.440123][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 172.459713][ C1] RSP: 002b:00007ffcdf7ad048 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 172.468112][ C1] RAX: ffffffffffffffda RBX: 0000000000010600 RCX: 00000000004593f0 [ 172.476068][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcdf7ad050 [ 172.484112][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000d0b940 [ 172.492070][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 172.500027][ C1] R13: 00007ffcdf7ad0a0 R14: 00000000000105f3 R15: 00007ffcdf7ad0b0