[ 42.647425][ T23] audit: type=1800 audit(1575394815.370:25): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.679075][ T23] audit: type=1800 audit(1575394815.380:26): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.714235][ T23] audit: type=1800 audit(1575394815.380:27): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.751761][ T23] audit: type=1800 audit(1575394815.390:28): pid=8101 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.217' (ECDSA) to the list of known hosts. 2019/12/03 17:40:29 fuzzer started 2019/12/03 17:40:30 dialing manager at 10.128.0.26:42111 2019/12/03 17:40:30 syscalls: 2689 2019/12/03 17:40:30 code coverage: enabled 2019/12/03 17:40:30 comparison tracing: enabled 2019/12/03 17:40:30 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:40:30 setuid sandbox: enabled 2019/12/03 17:40:30 namespace sandbox: enabled 2019/12/03 17:40:30 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:40:30 fault injection: enabled 2019/12/03 17:40:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:40:30 net packet injection: enabled 2019/12/03 17:40:30 net device setup: enabled 2019/12/03 17:40:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:40:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:40:31 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000180)=@ipv4_delroute={0x1c, 0x19, 0x5d0302f13a5bbf13}, 0x1c}}, 0x0) 17:40:31 executing program 1: 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, 0xf28c0f1d4773c7cd, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001940)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0xffffff96}}], 0x1, 0x0, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000040)='cgroup.subtree_control\x00', 0x2, 0x0) writev(r1, &(0x7f00000000c0), 0x20000000000001d2) syzkaller login: [ 58.886676][ T8265] IPVS: ftp: loaded support on port[0] = 21 [ 59.055706][ T8265] chnl_net:caif_netlink_parms(): no params data found [ 59.064934][ T8268] IPVS: ftp: loaded support on port[0] = 21 17:40:31 executing program 2: unshare(0x40000000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) read$alg(0xffffffffffffffff, 0x0, 0x0) r0 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f00000000c0)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) [ 59.143193][ T8265] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.159140][ T8265] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.167392][ T8265] device bridge_slave_0 entered promiscuous mode [ 59.190442][ T8265] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.197613][ T8265] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.206858][ T8265] device bridge_slave_1 entered promiscuous mode [ 59.293819][ T8265] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.311602][ T8265] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.344451][ T8268] chnl_net:caif_netlink_parms(): no params data found [ 59.366730][ T8271] IPVS: ftp: loaded support on port[0] = 21 [ 59.400081][ T8265] team0: Port device team_slave_0 added [ 59.434902][ T8265] team0: Port device team_slave_1 added 17:40:32 executing program 3: r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) ioctl$SIOCX25SFACILITIES(r0, 0x89ec, 0x0) [ 59.451880][ T8268] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.459634][ T8268] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.467498][ T8268] device bridge_slave_0 entered promiscuous mode [ 59.494107][ T8268] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.501721][ T8268] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.510055][ T8268] device bridge_slave_1 entered promiscuous mode [ 59.581771][ T8265] device hsr_slave_0 entered promiscuous mode 17:40:32 executing program 4: clock_settime(0x0, 0x0) getrusage(0x0, &(0x7f0000000500)) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getpgrp(0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000140)='nbd\x00') sendmsg(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) ioctl$SIOCGETLINKNAME(0xffffffffffffffff, 0x89e0, 0x0) r0 = socket$netlink(0x10, 0x3, 0xc) sendmsg$nl_netfilter(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x20, 0x3, 0x1, 0x1, 0x0, 0x0, {}, [@typed={0xc, 0x1, @u64}]}, 0x20}}, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000180)='TIPCv2\x00') bind$inet(0xffffffffffffffff, 0x0, 0x0) sendmsg$xdp(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) [ 59.649610][ T8265] device hsr_slave_1 entered promiscuous mode [ 59.771397][ T8268] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.794541][ T8273] IPVS: ftp: loaded support on port[0] = 21 [ 59.825308][ T8268] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 17:40:32 executing program 5: pivot_root(0x0, 0x0) r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) lseek(r0, 0x0, 0x0) [ 59.868628][ T8271] chnl_net:caif_netlink_parms(): no params data found [ 59.908068][ T8265] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.008188][ T8265] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.062464][ T8268] team0: Port device team_slave_0 added [ 60.069618][ T8268] team0: Port device team_slave_1 added [ 60.085652][ T8278] IPVS: ftp: loaded support on port[0] = 21 [ 60.107446][ T8276] IPVS: ftp: loaded support on port[0] = 21 [ 60.117455][ T8265] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.165885][ T8265] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.238716][ T8271] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.247170][ T8271] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.254942][ T8271] device bridge_slave_0 entered promiscuous mode [ 60.264928][ T8271] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.272105][ T8271] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.280166][ T8271] device bridge_slave_1 entered promiscuous mode [ 60.341675][ T8268] device hsr_slave_0 entered promiscuous mode [ 60.379331][ T8268] device hsr_slave_1 entered promiscuous mode [ 60.429221][ T8268] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.465048][ T8271] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.505185][ T8271] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.532219][ T8271] team0: Port device team_slave_0 added [ 60.541459][ T8271] team0: Port device team_slave_1 added [ 60.625109][ T8268] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.711117][ T8271] device hsr_slave_0 entered promiscuous mode [ 60.749440][ T8271] device hsr_slave_1 entered promiscuous mode [ 60.789526][ T8271] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.809777][ T8273] chnl_net:caif_netlink_parms(): no params data found [ 60.821823][ T8268] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.841271][ T8268] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.893733][ T8268] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.956575][ T8278] chnl_net:caif_netlink_parms(): no params data found [ 61.002588][ T8278] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.010568][ T8278] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.018369][ T8278] device bridge_slave_0 entered promiscuous mode [ 61.056672][ T8276] chnl_net:caif_netlink_parms(): no params data found [ 61.073557][ T8278] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.084759][ T8278] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.092497][ T8278] device bridge_slave_1 entered promiscuous mode [ 61.117207][ T8273] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.124424][ T8273] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.132781][ T8273] device bridge_slave_0 entered promiscuous mode [ 61.140937][ T8271] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.191167][ T8273] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.198240][ T8273] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.206069][ T8273] device bridge_slave_1 entered promiscuous mode [ 61.242031][ T8278] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.253404][ T8278] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.264112][ T8271] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.313595][ T8271] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.372521][ T8273] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.394464][ T8273] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.415887][ T8278] team0: Port device team_slave_0 added [ 61.424458][ T8265] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.431910][ T8271] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.465713][ T8276] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.472977][ T8276] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.481965][ T8276] device bridge_slave_0 entered promiscuous mode [ 61.499861][ T8278] team0: Port device team_slave_1 added [ 61.506641][ T8273] team0: Port device team_slave_0 added [ 61.519904][ T8276] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.526958][ T8276] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.535391][ T8276] device bridge_slave_1 entered promiscuous mode [ 61.547861][ T8273] team0: Port device team_slave_1 added [ 61.611657][ T8278] device hsr_slave_0 entered promiscuous mode [ 61.649420][ T8278] device hsr_slave_1 entered promiscuous mode [ 61.689212][ T8278] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.698764][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.707094][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.719864][ T8276] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.801765][ T8273] device hsr_slave_0 entered promiscuous mode [ 61.839985][ T8273] device hsr_slave_1 entered promiscuous mode [ 61.909135][ T8273] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.926129][ T8276] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.936795][ T8265] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.970619][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.979426][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.987792][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.995007][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.003796][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.012588][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.020991][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.028020][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.039377][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.066664][ T8273] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.123097][ T8273] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.195923][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.206931][ T8276] team0: Port device team_slave_0 added [ 62.216092][ T8276] team0: Port device team_slave_1 added [ 62.226014][ T8273] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.275487][ T8273] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.337216][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.346628][ T8278] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.407833][ T8268] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.424468][ T8268] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.432772][ T8278] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.541545][ T8276] device hsr_slave_0 entered promiscuous mode [ 62.579407][ T8276] device hsr_slave_1 entered promiscuous mode [ 62.619358][ T8276] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.628389][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.636786][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.644387][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.653347][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.662013][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.671098][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.692411][ T8278] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.731911][ T8278] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.778061][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.786591][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.795599][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.805252][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.812399][ T8283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.820725][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.829388][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.837709][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.844787][ T8283] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.852687][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.862042][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.870621][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.880125][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.888005][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.904345][ T8265] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.916411][ T8265] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.940365][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.948637][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.970233][ T8271] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.992056][ T8268] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.003336][ T8268] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.018352][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.027194][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.035580][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.047138][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.055698][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.064123][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.072645][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.080990][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.096565][ T8271] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.118318][ T8268] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.128048][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.136689][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.144478][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.153925][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.161787][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.169502][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.184876][ T8265] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.210655][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.218119][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.239435][ T8276] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.291571][ T8276] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.341555][ T8276] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.394019][ T8276] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.450855][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.459521][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.467758][ T3209] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.474888][ T3209] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.482602][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.491364][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.500172][ T3209] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.507217][ T3209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.514848][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.523421][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.532161][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.548850][ T8273] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.607203][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.626487][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.635037][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.644128][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.652880][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.661234][ T8283] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.678109][ T8278] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.703293][ T8273] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.715534][ T8271] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.727173][ T8271] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.743213][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.766760][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.800836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 168.598974][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.605718][ C0] rcu: 0-...!: (10499 ticks this GP) idle=1a2/1/0x4000000000000002 softirq=12129/12129 fqs=10 [ 168.616254][ C0] (t=10500 jiffies g=6549 q=508) [ 168.621268][ C0] rcu: rcu_preempt kthread starved for 10479 jiffies! g6549 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.632358][ C0] rcu: RCU grace-period kthread stack dump: [ 168.638241][ C0] rcu_preempt R running task 28992 10 2 0x80004000 [ 168.646141][ C0] Call Trace: [ 168.649428][ C0] __schedule+0x9a0/0xcc0 [ 168.653756][ C0] schedule+0x181/0x210 [ 168.657989][ C0] schedule_timeout+0x14f/0x240 [ 168.662823][ C0] ? run_local_timers+0x120/0x120 [ 168.667835][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.672593][ C0] kthread+0x332/0x350 [ 168.676643][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.681740][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.686315][ C0] ret_from_fork+0x24/0x30 [ 168.690733][ C0] NMI backtrace for cpu 0 [ 168.695049][ C0] CPU: 0 PID: 8279 Comm: kworker/0:4 Not tainted 5.4.0-syzkaller #0 [ 168.703007][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.713090][ C0] Workqueue: 0x0 (memcg_kmem_cache) [ 168.718358][ C0] Call Trace: [ 168.721635][ C0] [ 168.724474][ C0] dump_stack+0x1fb/0x318 [ 168.728806][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.733642][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.739781][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.745832][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.751802][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.757676][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.762866][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.768049][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.773059][ C0] update_process_times+0x12d/0x180 [ 168.778246][ C0] tick_sched_timer+0x263/0x420 [ 168.783089][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.788619][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.793819][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.798789][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.804078][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.809617][ C0] apic_timer_interrupt+0xf/0x20 [ 168.814537][ C0] [ 168.817463][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 168.823169][ C0] Code: 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 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 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 168.842757][ C0] RSP: 0018:ffffc90001f07c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.851150][ C0] RAX: 1ffff11014e5b7c1 RBX: ffff8880a72dbe08 RCX: 0000000000000000 [ 168.859105][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00023192c0 [ 168.867069][ C0] RBP: ffffc90001f07c68 R08: 000000000003a768 R09: ffffed10125b927f [ 168.875023][ C0] R10: ffffed10125b927f R11: 0000000000000000 R12: ffff8880a72dbea0 [ 168.882999][ C0] R13: dffffc0000000000 R14: 1ffff11014e5b7d4 R15: ffff888092dc93e8 [ 168.891015][ C0] put_task_stack+0xa3/0x130 [ 168.895601][ C0] finish_task_switch+0x3f1/0x550 [ 168.900620][ C0] __schedule+0x9a8/0xcc0 [ 168.904949][ C0] schedule+0x181/0x210 [ 168.909112][ C0] worker_thread+0x10d6/0x1630 [ 168.913884][ C0] kthread+0x332/0x350 [ 168.917936][ C0] ? rcu_lock_release+0x30/0x30 [ 168.922771][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.927344][ C0] ret_from_fork+0x24/0x30