[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.852086][ T28] audit: type=1800 audit(1578465300.537:25): pid=8267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.871832][ T28] audit: type=1800 audit(1578465300.547:26): pid=8267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.913131][ T28] audit: type=1800 audit(1578465300.547:27): pid=8267 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 '10.128.1.34' (ECDSA) to the list of known hosts. 2020/01/08 06:35:10 fuzzer started 2020/01/08 06:35:12 dialing manager at 10.128.0.26:35703 2020/01/08 06:35:12 syscalls: 2824 2020/01/08 06:35:12 code coverage: enabled 2020/01/08 06:35:12 comparison tracing: enabled 2020/01/08 06:35:12 extra coverage: enabled 2020/01/08 06:35:12 setuid sandbox: enabled 2020/01/08 06:35:12 namespace sandbox: enabled 2020/01/08 06:35:12 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:35:12 fault injection: enabled 2020/01/08 06:35:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:35:12 net packet injection: enabled 2020/01/08 06:35:12 net device setup: enabled 2020/01/08 06:35:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:35:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:35:13 executing program 0: r0 = open(&(0x7f0000000040)='./file0\x00', 0x200c2, 0x0) r1 = creat(&(0x7f0000000080)='./file0\x00', 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000000180)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) setsockopt$bt_hci_HCI_TIME_STAMP(r2, 0x0, 0x3, &(0x7f0000000300)=0x6, 0x4) fanotify_init(0x0, 0x0) r3 = inotify_init() inotify_add_watch(r3, 0x0, 0x0) inotify_add_watch(r3, &(0x7f0000000080)='.\x00', 0xfe) syz_open_procfs(0x0, 0x0) fanotify_mark(0xffffffffffffffff, 0x105, 0x101b, r1, 0x0) write$binfmt_elf64(r0, &(0x7f0000000340)=ANY=[@ANYBLOB="ed8ed24112ccba9ecbaea5e8dd24f24b3ac273c81c2b7c8c5b06d007e4c0072fab72c7d711beb15f4313966fe3a4fa21e76fc4d05e107ac82d5e075205917f03000000030b6daa6e72ad000000610000000000000001a25a382ed7fbcbbc4e5508505d08b26f5521b1ac0543978e05e200f2ef4214efd76167e74735bfeb92974cfcaadd589f252c8b00b693479bfe5d85dc391a"], 0x94) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendfile(r0, r0, &(0x7f00000001c0), 0xa198) 06:35:13 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x69, 0x10, 0x67}, [@ldst={0x4}]}, &(0x7f0000003ff6)='GPL\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1c4, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) syzkaller login: [ 57.634242][ T8432] IPVS: ftp: loaded support on port[0] = 21 [ 57.761898][ T8435] IPVS: ftp: loaded support on port[0] = 21 [ 57.845562][ T8432] chnl_net:caif_netlink_parms(): no params data found 06:35:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=@newlink={0x3c, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, @bond={{0xc, 0x1, 'bond\x00'}, {0xc, 0x2, [@IFLA_BOND_PRIMARY_RESELECT={0x8}]}}}]}, 0x3c}}, 0x0) [ 57.942275][ T8435] chnl_net:caif_netlink_parms(): no params data found [ 57.999075][ T8432] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.008497][ T8432] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.035728][ T8432] device bridge_slave_0 entered promiscuous mode [ 58.069923][ T8432] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.079457][ T8432] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.088530][ T8432] device bridge_slave_1 entered promiscuous mode [ 58.105284][ T8435] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.112373][ T8435] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.121824][ T8435] device bridge_slave_0 entered promiscuous mode [ 58.140410][ T8432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.141766][ T8439] IPVS: ftp: loaded support on port[0] = 21 [ 58.151105][ T8435] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.167256][ T8435] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.175726][ T8435] device bridge_slave_1 entered promiscuous mode [ 58.184004][ T8432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.221075][ T8435] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.239738][ T8435] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.250856][ T8432] team0: Port device team_slave_0 added [ 58.260439][ T8432] team0: Port device team_slave_1 added 06:35:14 executing program 3: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000cd0fc8)={0x0, 0x0, &(0x7f0000ca6000)={&(0x7f0000000000)={0x2, 0xd, 0x0, 0x0, 0xc, 0x0, 0x0, 0x0, [@sadb_address={0x5, 0x5, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @ipv4={[], [], @dev}}}, @sadb_address={0x5, 0x6, 0x0, 0x0, 0x0, @in6={0xa, 0x0, 0x0, @mcast2}}]}, 0x60}}, 0x0) [ 58.282020][ T8435] team0: Port device team_slave_0 added [ 58.301203][ T8435] team0: Port device team_slave_1 added [ 58.375779][ T8432] device hsr_slave_0 entered promiscuous mode [ 58.443287][ T8432] device hsr_slave_1 entered promiscuous mode 06:35:14 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x80}, 0x213) sendmsg$nl_route(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000380)=@ipv6_getroute={0x1c, 0x1a, 0x401, 0x0, 0x0, {0xa, 0xfe80, 0x0, 0x0, 0x0, 0x0, 0xfe}}, 0x1c}}, 0x0) [ 58.631342][ T8441] IPVS: ftp: loaded support on port[0] = 21 06:35:14 executing program 5: socket$inet_tcp(0x2, 0x1, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f0000000240)=0x0) r1 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x1ee6b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) 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, 0xffffffffffffffff, r1, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x53d, 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}}, r0, 0xffffffffffffffff, r1, 0x0) pipe(&(0x7f00000001c0)) r2 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='cgroup.controllers\x00', 0x2761, 0x0) ioctl$TUNSETTXFILTER(0xffffffffffffffff, 0x400454d1, &(0x7f0000000080)=ANY=[@ANYBLOB="00ffffffff"]) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r2, 0xc0c0583b, 0x20000001) [ 58.705523][ T8435] device hsr_slave_0 entered promiscuous mode [ 58.743903][ T8435] device hsr_slave_1 entered promiscuous mode [ 58.793117][ T8435] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.800895][ T8435] Cannot create hsr debugfs directory [ 58.860646][ T8444] IPVS: ftp: loaded support on port[0] = 21 [ 58.869258][ T8439] chnl_net:caif_netlink_parms(): no params data found [ 58.869748][ T8446] IPVS: ftp: loaded support on port[0] = 21 [ 58.974046][ T8432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.025933][ T8432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.085438][ T8439] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.092716][ T8439] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.100545][ T8439] device bridge_slave_0 entered promiscuous mode [ 59.109680][ T8439] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.116861][ T8439] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.124915][ T8439] device bridge_slave_1 entered promiscuous mode [ 59.142521][ T8432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.196559][ T8432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.287685][ T8439] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.320652][ T8439] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.345577][ T8439] team0: Port device team_slave_0 added [ 59.366088][ T8435] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.453814][ T8439] team0: Port device team_slave_1 added [ 59.488378][ T8435] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.546354][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 59.554948][ T8435] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.608113][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 59.635674][ T8435] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.746462][ T8439] device hsr_slave_0 entered promiscuous mode [ 59.783384][ T8439] device hsr_slave_1 entered promiscuous mode [ 59.823144][ T8439] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.823176][ T8439] Cannot create hsr debugfs directory [ 59.892571][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.900495][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.909171][ T8441] device bridge_slave_0 entered promiscuous mode [ 59.917987][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.925116][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.932786][ T8441] device bridge_slave_1 entered promiscuous mode [ 59.959320][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 59.987931][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.995923][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.003947][ T8444] device bridge_slave_0 entered promiscuous mode [ 60.024422][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.044171][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.051429][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.060208][ T8444] device bridge_slave_1 entered promiscuous mode [ 60.085447][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.120612][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.131107][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.138898][ T8446] device bridge_slave_0 entered promiscuous mode [ 60.148070][ T8441] team0: Port device team_slave_0 added [ 60.158235][ T8432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.179964][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.190716][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.198589][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.206469][ T8446] device bridge_slave_1 entered promiscuous mode [ 60.214971][ T8441] team0: Port device team_slave_1 added [ 60.227036][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.258747][ T8444] team0: Port device team_slave_0 added [ 60.287608][ T8444] team0: Port device team_slave_1 added [ 60.299832][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.308933][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.320219][ T8432] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.346248][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.395080][ T8444] device hsr_slave_0 entered promiscuous mode [ 60.423359][ T8444] device hsr_slave_1 entered promiscuous mode [ 60.463212][ T8444] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.470796][ T8444] Cannot create hsr debugfs directory [ 60.524702][ T8441] device hsr_slave_0 entered promiscuous mode [ 60.583481][ T8441] device hsr_slave_1 entered promiscuous mode [ 60.623155][ T8441] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.630744][ T8441] Cannot create hsr debugfs directory [ 60.644971][ T8439] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.695913][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.715950][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.725769][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.734489][ T3781] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.741651][ T3781] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.749923][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.759317][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.767954][ T3781] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.775141][ T3781] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.805418][ T8439] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.861545][ T8439] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.906044][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.929048][ T8446] team0: Port device team_slave_0 added [ 60.941534][ T8446] team0: Port device team_slave_1 added [ 60.947531][ T8439] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.028473][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.038476][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.047546][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.056635][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.065202][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.114770][ T8446] device hsr_slave_0 entered promiscuous mode [ 61.153725][ T8446] device hsr_slave_1 entered promiscuous mode [ 61.205918][ T8446] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.213556][ T8446] Cannot create hsr debugfs directory [ 61.220707][ T8435] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.265220][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.274779][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.301679][ T8432] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.312653][ T8432] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.328889][ T8441] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.375078][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.386281][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.394979][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.403523][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.411953][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.442819][ T8441] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.485021][ T8441] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.525104][ T8441] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.585063][ T8444] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.651036][ T8435] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.662260][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.670898][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.679095][ T8444] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.735214][ T8444] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.803886][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.811445][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.819568][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.828150][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.836772][ T2670] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.843876][ T2670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.851364][ T8444] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.942435][ T8432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.949854][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.958832][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.967553][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.976177][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.983294][ T8450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.991562][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.000277][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.008764][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.017576][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.030091][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.052411][ T8439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.090741][ T8435] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.103921][ T8435] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.121814][ T8439] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.135912][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.146002][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.154857][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.163435][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.171960][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.180720][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.189146][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.196960][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.205022][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.229146][ T8446] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.300009][ T8446] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.367726][ T8446] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.425267][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.434020][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.442640][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.451693][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.460110][ T3781] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.467211][ T3781] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.475474][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.484927][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.493646][ T3781] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.500705][ T3781] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.508316][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.517365][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.533391][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.540853][ T3781] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.548569][ T8446] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.580147][ T8432] device veth0_vlan entered promiscuous mode [ 62.595927][ T8432] device veth1_vlan entered promiscuous mode [ 62.607652][ T8435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.621165][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.629552][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.638095][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.647775][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.657074][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.665456][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.716519][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.725604][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.736488][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.746091][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.755040][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.764156][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.773356][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.781506][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.790308][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.798713][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.815212][ T8441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.826763][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.843593][ T2715] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.872052][ T8439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 167.882915][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.890233][ C1] rcu: 1-...!: (10499 ticks this GP) idle=1ea/1/0x4000000000000002 softirq=11090/11092 fqs=42 [ 167.900985][ C1] (t=10501 jiffies g=6573 q=175) [ 167.906025][ C1] rcu: rcu_preempt kthread starved for 10418 jiffies! g6573 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.917448][ C1] rcu: RCU grace-period kthread stack dump: [ 167.923350][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 167.931281][ C1] Call Trace: [ 167.934863][ C1] __schedule+0x9a0/0xcc0 [ 167.939462][ C1] schedule+0x181/0x210 [ 167.943653][ C1] schedule_timeout+0x14f/0x240 [ 167.948619][ C1] ? run_local_timers+0x120/0x120 [ 167.953828][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.958667][ C1] kthread+0x332/0x350 [ 167.962736][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.967873][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.973162][ C1] ret_from_fork+0x24/0x30 [ 167.977725][ C1] NMI backtrace for cpu 1 [ 167.982090][ C1] CPU: 1 PID: 8439 Comm: syz-executor.2 Not tainted 5.5.0-rc5-syzkaller #0 [ 167.990768][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.000912][ C1] Call Trace: [ 168.004205][ C1] [ 168.007065][ C1] dump_stack+0x1fb/0x318 [ 168.011403][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.016252][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.022408][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.028542][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.034528][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.040426][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.045588][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.050802][ C1] ? trace_hardirqs_off+0x74/0x80 [ 168.056095][ C1] update_process_times+0x12d/0x180 [ 168.061455][ C1] tick_sched_timer+0x263/0x420 [ 168.066318][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.072162][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.077389][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.082635][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.088209][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.093828][ C1] apic_timer_interrupt+0xf/0x20 [ 168.098763][ C1] [ 168.101706][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 168.107514][ C1] 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 [ 168.127123][ C1] RSP: 0018:ffffc90001f06c90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.135549][ C1] RAX: 1ffff1101349c601 RBX: ffff88809a4e3008 RCX: ffff8880a75f6600 [ 168.143521][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251eb80 [ 168.151491][ C1] RBP: ffffc90001f06cc8 R08: dffffc0000000000 R09: fffffbfff124248a [ 168.159551][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809a4e30a0 [ 168.167524][ C1] R13: dffffc0000000000 R14: 1ffff1101349c614 R15: ffff888095f135f8 [ 168.175645][ C1] put_task_stack+0xa3/0x130 [ 168.180302][ C1] finish_task_switch+0x3f1/0x550 [ 168.185347][ C1] __schedule+0x9a8/0xcc0 [ 168.190067][ C1] ? ___preempt_schedule+0x16/0x18 [ 168.195182][ C1] preempt_schedule+0xdb/0x120 [ 168.199951][ C1] ___preempt_schedule+0x16/0x18 [ 168.204903][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 168.209772][ C1] ? vprintk_emit+0x368/0x3a0 [ 168.214714][ C1] vprintk_emit+0x36d/0x3a0 [ 168.219256][ C1] vprintk_default+0x28/0x30 [ 168.223966][ C1] vprintk_func+0x158/0x170 [ 168.228477][ C1] printk+0x62/0x8d [ 168.232295][ C1] ? addrconf_notify+0xd37/0x3c90 [ 168.237330][ C1] ? addrconf_notify+0x779/0x3c90 [ 168.242427][ C1] addrconf_notify+0x2c8d/0x3c90 [ 168.247458][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 168.252905][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 168.258448][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 168.264075][ C1] ? trace_hardirqs_on+0x74/0x80 [ 168.269017][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 168.274392][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 168.280086][ C1] ? tls_dev_event+0x619/0xc00 [ 168.284940][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 168.290720][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 168.295926][ C1] raw_notifier_call_chain+0xec/0x190 [ 168.301328][ C1] netdev_state_change+0x147/0x1f0 [ 168.306449][ C1] hsr_check_carrier_and_operstate+0x434/0x730 [ 168.312611][ C1] hsr_netdev_notify+0x2aa/0xa00 [ 168.317555][ C1] ? mpls_dev_notify+0x4ae/0x890 [ 168.322582][ C1] raw_notifier_call_chain+0xec/0x190 [ 168.327962][ C1] __dev_notify_flags+0x24d/0x4d0 [ 168.333252][ C1] dev_change_flags+0xec/0x190 [ 168.338022][ C1] do_setlink+0xb2e/0x3960 [ 168.342444][ C1] ? memset+0x31/0x40 [ 168.346517][ C1] ? __nla_validate_parse+0x18cd/0x1f40 [ 168.352226][ C1] ? __kasan_check_read+0x11/0x20 [ 168.357429][ C1] rtnl_newlink+0x14dd/0x1bd0 [ 168.362196][ C1] ? rtnl_newlink+0x351/0x1bd0 [ 168.367027][ C1] ? __mutex_lock_common+0x4f5/0x2e10 [ 168.372396][ C1] ? rtnetlink_rcv_msg+0x83c/0xd40 [ 168.377509][ C1] ? rcu_lock_release+0x9/0x30 [ 168.382607][ C1] ? rtnl_setlink+0x490/0x490 [ 168.387443][ C1] rtnetlink_rcv_msg+0x889/0xd40 [ 168.393034][ C1] ? rcu_lock_release+0x9/0x30 [ 168.398035][ C1] ? rcu_lock_release+0x9/0x30 [ 168.402973][ C1] ? rcu_lock_release+0x9/0x30 [ 168.408091][ C1] netlink_rcv_skb+0x19e/0x3d0 [ 168.413174][ C1] ? rtnetlink_bind+0x80/0x80 [ 168.418187][ C1] rtnetlink_rcv+0x1c/0x20 [ 168.422873][ C1] netlink_unicast+0x767/0x920 [ 168.427737][ C1] netlink_sendmsg+0xa31/0xd50 [ 168.432949][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 168.438448][ C1] __sys_sendto+0x442/0x5e0 [ 168.443768][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 168.449940][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 168.455822][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 168.461375][ C1] __x64_sys_sendto+0xe5/0x100 [ 168.466435][ C1] do_syscall_64+0xf7/0x1c0 [ 168.471049][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.477084][ C1] RIP: 0033:0x414c43 [ 168.481252][ C1] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 168.501983][ C1] RSP: 002b:00007ffd3bc7e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 168.510585][ C1] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 168.518809][ C1] RDX: 0000000000000020 RSI: 0000000000a72250 RDI: 0000000000000003 [ 168.526843][ C1] RBP: 0000000000000000 R08: 00007ffd3bc7e930 R09: 000000000000000c [ 168.534818][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 168.542835][ C1] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003