[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.879751][ T25] audit: type=1800 audit(1575386544.589:25): pid=8123 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.907926][ T25] audit: type=1800 audit(1575386544.589:26): pid=8123 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.933371][ T25] audit: type=1800 audit(1575386544.589:27): pid=8123 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 '10.128.0.132' (ECDSA) to the list of known hosts. 2019/12/03 15:22:35 fuzzer started 2019/12/03 15:22:37 dialing manager at 10.128.0.26:45711 2019/12/03 15:22:37 syscalls: 2689 2019/12/03 15:22:37 code coverage: enabled 2019/12/03 15:22:37 comparison tracing: enabled 2019/12/03 15:22:37 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:22:37 setuid sandbox: enabled 2019/12/03 15:22:37 namespace sandbox: enabled 2019/12/03 15:22:37 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:22:37 fault injection: enabled 2019/12/03 15:22:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:22:37 net packet injection: enabled 2019/12/03 15:22:37 net device setup: enabled 2019/12/03 15:22:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:22:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:22:38 executing program 0: r0 = socket$inet6(0xa, 0x1000080002, 0x100000000000088) bind$inet6(r0, &(0x7f0000d85fe4)={0xa, 0x4e23}, 0x1c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6(0xa, 0x802, 0x88) setsockopt$inet6_udp_int(r3, 0x11, 0x100000000a, &(0x7f00000003c0)=0x800000001, 0x4) sendto$inet6(r3, 0x0, 0x0, 0x8840, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @ipv4}, 0x1c) sendto$inet6(r3, &(0x7f0000000080)="dd", 0x1, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f0000000380)=[{{0x0, 0xfef3, 0x0, 0x0, 0x0, 0xfffffffffffffdcc}}], 0x400000000000490, 0x6, 0x0) 15:22:39 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x8, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0x34}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) syzkaller login: [ 59.486559][ T8289] IPVS: ftp: loaded support on port[0] = 21 15:22:39 executing program 2: r0 = socket(0x2, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000000c0)={'syz_tun\x00', &(0x7f0000000100)=@ethtool_cmd={0x4d, 0x0, 0x0, 0x0, 0x0, 0x3}}) [ 59.582957][ T8291] IPVS: ftp: loaded support on port[0] = 21 [ 59.703272][ T8289] chnl_net:caif_netlink_parms(): no params data found 15:22:39 executing program 3: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) write(r0, &(0x7f0000000040)="110000005a001f001007f4f9002304000a", 0x11) [ 59.840705][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.887662][ T8289] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.895414][ T8289] device bridge_slave_0 entered promiscuous mode [ 59.924813][ T8296] IPVS: ftp: loaded support on port[0] = 21 [ 59.927722][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.958407][ T8289] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.966352][ T8289] device bridge_slave_1 entered promiscuous mode [ 60.004974][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 60.028933][ T8289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.059582][ T8297] IPVS: ftp: loaded support on port[0] = 21 [ 60.065805][ T8289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 15:22:39 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x82, 0x0, &(0x7f0000000000)=0xfffffffffffffe42) r1 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000080)={r2}, &(0x7f0000000100)=0x8) [ 60.131523][ T8289] team0: Port device team_slave_0 added [ 60.171378][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.185398][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.208420][ T8291] device bridge_slave_0 entered promiscuous mode [ 60.220870][ T8289] team0: Port device team_slave_1 added [ 60.228574][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.235646][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.258415][ T8291] device bridge_slave_1 entered promiscuous mode [ 60.351626][ T8301] IPVS: ftp: loaded support on port[0] = 21 [ 60.373537][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 15:22:40 executing program 5: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000300)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r0, 0x40085112, &(0x7f0000000100)={{0xffffff92}, {0xfffff7c0}}) [ 60.471429][ T8289] device hsr_slave_0 entered promiscuous mode [ 60.537956][ T8289] device hsr_slave_1 entered promiscuous mode [ 60.598500][ T8296] chnl_net:caif_netlink_parms(): no params data found [ 60.609683][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.633868][ T8291] team0: Port device team_slave_0 added [ 60.646878][ T8291] team0: Port device team_slave_1 added [ 60.709064][ T8297] chnl_net:caif_netlink_parms(): no params data found [ 60.723071][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.730769][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.731939][ T8303] IPVS: ftp: loaded support on port[0] = 21 [ 60.744792][ T8296] device bridge_slave_0 entered promiscuous mode [ 60.756692][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.763959][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.771961][ T8296] device bridge_slave_1 entered promiscuous mode [ 60.850459][ T8291] device hsr_slave_0 entered promiscuous mode [ 60.888042][ T8291] device hsr_slave_1 entered promiscuous mode [ 60.947832][ T8291] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.962747][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.014684][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.029486][ T8289] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.091260][ T8297] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.098893][ T8297] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.106911][ T8297] device bridge_slave_0 entered promiscuous mode [ 61.115585][ T8297] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.123115][ T8297] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.131845][ T8297] device bridge_slave_1 entered promiscuous mode [ 61.153886][ T8297] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.164154][ T8289] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.220812][ T8289] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.269902][ T8296] team0: Port device team_slave_0 added [ 61.276758][ T8297] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.300481][ T8289] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.366616][ T8296] team0: Port device team_slave_1 added [ 61.374699][ T8297] team0: Port device team_slave_0 added [ 61.384777][ T8297] team0: Port device team_slave_1 added [ 61.510214][ T8297] device hsr_slave_0 entered promiscuous mode [ 61.548024][ T8297] device hsr_slave_1 entered promiscuous mode [ 61.587733][ T8297] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.609881][ T8301] chnl_net:caif_netlink_parms(): no params data found [ 61.630613][ T8291] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.662771][ T8291] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.719985][ T8291] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.810422][ T8296] device hsr_slave_0 entered promiscuous mode [ 61.868089][ T8296] device hsr_slave_1 entered promiscuous mode [ 61.937707][ T8296] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.955751][ T8291] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.062819][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.070044][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.078541][ T8301] device bridge_slave_0 entered promiscuous mode [ 62.088825][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.095952][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.104021][ T8301] device bridge_slave_1 entered promiscuous mode [ 62.128261][ T8303] chnl_net:caif_netlink_parms(): no params data found [ 62.152730][ T8297] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.211598][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.223989][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.262542][ T8297] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.309506][ T8297] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.364358][ T8297] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.426723][ T8301] team0: Port device team_slave_0 added [ 62.439497][ T8301] team0: Port device team_slave_1 added [ 62.490760][ T8301] device hsr_slave_0 entered promiscuous mode [ 62.537999][ T8301] device hsr_slave_1 entered promiscuous mode [ 62.577718][ T8301] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.586368][ T8303] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.593778][ T8303] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.601537][ T8303] device bridge_slave_0 entered promiscuous mode [ 62.610741][ T8303] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.618310][ T8303] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.625976][ T8303] device bridge_slave_1 entered promiscuous mode [ 62.633138][ T8296] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.721135][ T8296] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.762000][ T8296] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.820464][ T8296] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.879886][ T8289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.891341][ T8303] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.902610][ T8303] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.925288][ T8289] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.951176][ T8303] team0: Port device team_slave_0 added [ 62.961533][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.971556][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.999175][ T8303] team0: Port device team_slave_1 added [ 63.015129][ T8291] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.023414][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.032694][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.041423][ T3763] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.048676][ T3763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.056710][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.065589][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.074082][ T3763] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.081239][ T3763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.088961][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.097910][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.138061][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.146677][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.161548][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.170267][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.179411][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.188111][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.196350][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.204766][ T8301] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.278541][ T8301] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.334276][ T8301] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.379841][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.390332][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.398940][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.407037][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.415761][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.426668][ T8291] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.443087][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.479926][ T8303] device hsr_slave_0 entered promiscuous mode [ 63.548035][ T8303] device hsr_slave_1 entered promiscuous mode [ 63.587734][ T8303] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.595427][ T8301] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.664852][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.673869][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.683759][ T3763] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.690920][ T3763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.715109][ T8297] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.742489][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.754971][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.763977][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.772192][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.782319][ T3011] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.791976][ T3011] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.799100][ T3011] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.812009][ T8297] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.826250][ T8296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.847439][ T8289] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.857009][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.867278][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.875618][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.885586][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.914122][ T8296] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.922815][ T8303] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.959676][ T8303] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.010001][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.018719][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.027372][ T3763] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.034750][ T3763] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.042801][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.051540][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.060041][ T3763] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.067097][ T3763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.074862][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.083357][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.091361][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.099314][ T3763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.129659][ T8303] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.185167][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.193749][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.202681][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.213224][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.222014][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.230715][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.239756][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.248446][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.257834][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.266132][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.273225][ T8299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.281143][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.289850][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.298435][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.305690][ T8299] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.313369][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.322370][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.331890][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.340699][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.349526][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.358271][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.368309][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.376387][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.384501][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.393850][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.425637][ T8303] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.452191][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.461233][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.470410][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.479275][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.487466][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.496101][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.504409][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.512996][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.525618][ T8296] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.535455][ T8297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.554815][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.577030][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.594543][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.607439][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.616445][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.626131][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.641311][ T8301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.673030][ T8297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.682985][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.750932][ T8303] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.772153][ T8303] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.813092][ T8303] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.825740][ T8303] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.856287][ T8303] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 169.587542][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.595204][ C1] rcu: 1-...!: (10499 ticks this GP) idle=872/1/0x4000000000000002 softirq=11546/11546 fqs=13 [ 169.605779][ C1] (t=10500 jiffies g=6685 q=675) [ 169.610799][ C1] rcu: rcu_preempt kthread starved for 10473 jiffies! g6685 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.621887][ C1] rcu: RCU grace-period kthread stack dump: [ 169.627766][ C1] rcu_preempt R running task 28896 10 2 0x80004000 [ 169.635663][ C1] Call Trace: [ 169.639997][ C1] __schedule+0x9a0/0xcc0 [ 169.644328][ C1] schedule+0x181/0x210 [ 169.648480][ C1] schedule_timeout+0x14f/0x240 [ 169.653323][ C1] ? run_local_timers+0x120/0x120 [ 169.658343][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.663109][ C1] kthread+0x332/0x350 [ 169.667202][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.672313][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.676897][ C1] ret_from_fork+0x24/0x30 [ 169.681316][ C1] NMI backtrace for cpu 1 [ 169.685637][ C1] CPU: 1 PID: 214 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 169.693601][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.703959][ C1] Workqueue: 0x0 (bat_events) [ 169.708718][ C1] Call Trace: [ 169.711993][ C1] [ 169.714838][ C1] dump_stack+0x1fb/0x318 [ 169.719424][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.724523][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.730680][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.736781][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.742765][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.748671][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.753791][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.758995][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.764011][ C1] update_process_times+0x12d/0x180 [ 169.769206][ C1] tick_sched_timer+0x263/0x420 [ 169.774048][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.779588][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.784793][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.789740][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.795022][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.800566][ C1] apic_timer_interrupt+0xf/0x20 [ 169.805493][ C1] [ 169.808425][ C1] RIP: 0010:mod_memcg_page_state+0xa/0x190 [ 169.814314][ C1] Code: e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 <53> 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 [ 169.833916][ C1] RSP: 0018:ffffc90001237c08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.842322][ C1] RAX: 1ffff110118dbc51 RBX: ffff88808c6de288 RCX: 0000000000000000 [ 169.850296][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027fca80 [ 169.858260][ C1] RBP: ffffc90001237c20 R08: 000000000003a768 R09: fffffbfff120248a [ 169.866224][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808c6de320 [ 169.874191][ C1] R13: dffffc0000000000 R14: 1ffff110118dbc64 R15: ffff8880993195e8 [ 169.882185][ C1] free_thread_stack+0x168/0x590 [ 169.887122][ C1] put_task_stack+0xa3/0x130 [ 169.891868][ C1] finish_task_switch+0x3f1/0x550 [ 169.896986][ C1] __schedule+0x9a8/0xcc0 [ 169.901316][ C1] schedule+0x181/0x210 [ 169.905469][ C1] worker_thread+0x10d6/0x1630 [ 169.910488][ C1] kthread+0x332/0x350 [ 169.914642][ C1] ? rcu_lock_release+0x30/0x30 [ 169.919514][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.924114][ C1] ret_from_fork+0x24/0x30