[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.817393][ T27] audit: type=1800 audit(1578449470.346:25): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.836757][ T27] audit: type=1800 audit(1578449470.346:26): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.880444][ T27] audit: type=1800 audit(1578449470.346:27): pid=8394 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 '10.128.0.234' (ECDSA) to the list of known hosts. 2020/01/08 02:11:20 fuzzer started 2020/01/08 02:11:22 dialing manager at 10.128.0.26:35703 2020/01/08 02:11:22 syscalls: 2824 2020/01/08 02:11:22 code coverage: enabled 2020/01/08 02:11:22 comparison tracing: enabled 2020/01/08 02:11:22 extra coverage: enabled 2020/01/08 02:11:22 setuid sandbox: enabled 2020/01/08 02:11:22 namespace sandbox: enabled 2020/01/08 02:11:22 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:11:22 fault injection: enabled 2020/01/08 02:11:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:11:22 net packet injection: enabled 2020/01/08 02:11:22 net device setup: enabled 2020/01/08 02:11:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:11:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:11:23 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x3, 0x0) ioctl$sock_SIOCGSKNS(r0, 0x894c, 0x0) write(r1, &(0x7f0000000000)="240000005a001f000307f4f9002304000a04f51108000100020100020800038005000000", 0x24) 02:11:23 executing program 1: r0 = syz_open_dev$video(&(0x7f0000000140)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_TRY_FMT(r0, 0x40045612, &(0x7f0000000180)={0x1, @vbi}) syzkaller login: [ 63.714706][ T8559] IPVS: ftp: loaded support on port[0] = 21 02:11:23 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000029000/0x18000)=nil, &(0x7f0000000240)=[@text32={0x20, &(0x7f00000000c0)="b9800000c00f3235010000000f309a090000006500660f3882af724d00002ed8ddc74424008fc4bd87c7442402c43a727fc7442406000000000f011424f30f090f013a360f06c4c18d72d68366baa100ed", 0x51}], 0x1, 0x0, 0x0, 0xa4) dup(r1) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) fcntl$dupfd(r3, 0x0, r2) r4 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r4, 0x4090ae82, &(0x7f00000002c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc5e]}) openat$vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vsock\x00', 0x0, 0x0) ioctl$KVM_RUN(r4, 0xae80, 0x0) openat$vsock(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vsock\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x3, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x2, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = socket$inet6_tcp(0xa, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r5) r7 = socket$inet6_tcp(0xa, 0x1, 0x0) r8 = fcntl$dupfd(r7, 0x0, r7) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000080)={0x0, r6, 0x12}, 0x10) ioctl$KVM_RUN(r4, 0xae80, 0x0) [ 63.914217][ T8561] IPVS: ftp: loaded support on port[0] = 21 [ 63.926395][ T8559] chnl_net:caif_netlink_parms(): no params data found [ 64.018543][ T8559] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.026717][ T8559] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.035280][ T8559] device bridge_slave_0 entered promiscuous mode [ 64.067460][ T8559] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.074631][ T8559] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.098437][ T8559] device bridge_slave_1 entered promiscuous mode [ 64.149486][ T8565] IPVS: ftp: loaded support on port[0] = 21 [ 64.159671][ T8559] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.180488][ T8561] chnl_net:caif_netlink_parms(): no params data found [ 64.195227][ T8559] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.239112][ T8559] team0: Port device team_slave_0 added 02:11:23 executing program 3: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20}, 0x1c) listen(r0, 0x4d) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @loopback=0x7f000002}, 0x10) getsockopt$inet_int(r1, 0x10d, 0xa1, &(0x7f0000000140), &(0x7f00000000c0)=0x4) [ 64.281714][ T8559] team0: Port device team_slave_1 added [ 64.289534][ T8561] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.299283][ T8561] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.307517][ T8561] device bridge_slave_0 entered promiscuous mode [ 64.340337][ T8561] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.347971][ T8561] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.358124][ T8561] device bridge_slave_1 entered promiscuous mode 02:11:24 executing program 4: sched_setattr(0x0, 0x0, 0x0) syz_init_net_socket$ax25(0x3, 0x0, 0x0) r0 = open(&(0x7f00000001c0)='./file0\x00', 0x8040, 0x0) clone(0x20002100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioctl$EXT4_IOC_GROUP_ADD(r0, 0x40286608, &(0x7f0000000000)) [ 64.468480][ T8559] device hsr_slave_0 entered promiscuous mode [ 64.522523][ T8559] device hsr_slave_1 entered promiscuous mode 02:11:24 executing program 5: unshare(0x0) r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r0, 0x4c05, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, "89b1de5c52d3cac0a9cfc280c11f9d3acd086bfbb5f56c4947de6eb062b47af7c143cd8863c3e790f68158bbd4f0fea0d750517400", "d1cdc64c92b038d9b7ee8ab43eec823b7c159f2a203b75db913681f04d71ce12c9df46eba183fdd2b1b7fdfb2afcffb6c0ff64bd7cb7d85840d90b391b59d08e", "447834ab57b33011eb80ac8db8f78001c5370bfd88b3dc1378dbf324020ef9af", [0x4000000000000000]}) bpf$MAP_CREATE(0x0, 0x0, 0x0) openat$null(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/null\x00', 0x0, 0x0) [ 64.712705][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 64.731764][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 64.763226][ T8561] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.792009][ T8565] chnl_net:caif_netlink_parms(): no params data found [ 64.807603][ T8561] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.852604][ T8561] team0: Port device team_slave_0 added [ 64.879985][ T8561] team0: Port device team_slave_1 added [ 64.908261][ T8565] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.915425][ T8565] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.923325][ T8565] device bridge_slave_0 entered promiscuous mode [ 64.932801][ T8565] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.940409][ T8565] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.948644][ T8565] device bridge_slave_1 entered promiscuous mode [ 65.018769][ T8561] device hsr_slave_0 entered promiscuous mode [ 65.057344][ T8561] device hsr_slave_1 entered promiscuous mode [ 65.095883][ T8561] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.103795][ T8561] Cannot create hsr debugfs directory [ 65.137513][ T8573] IPVS: ftp: loaded support on port[0] = 21 [ 65.163885][ T8565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.176432][ T8565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.202762][ T8565] team0: Port device team_slave_0 added [ 65.211107][ T8565] team0: Port device team_slave_1 added [ 65.257032][ T8559] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.388316][ T8565] device hsr_slave_0 entered promiscuous mode [ 65.455961][ T8565] device hsr_slave_1 entered promiscuous mode [ 65.495729][ T8565] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.503326][ T8565] Cannot create hsr debugfs directory [ 65.509565][ T8559] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.580589][ T8559] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.676340][ T8559] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.764119][ T8561] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.819306][ T8561] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.893579][ T8569] chnl_net:caif_netlink_parms(): no params data found [ 65.904975][ T8571] chnl_net:caif_netlink_parms(): no params data found [ 65.914120][ T8561] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.959956][ T8561] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.113880][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.121607][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.130184][ T8569] device bridge_slave_0 entered promiscuous mode [ 66.139439][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.147003][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.154678][ T8569] device bridge_slave_1 entered promiscuous mode [ 66.195033][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.212843][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.220692][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.228541][ T8571] device bridge_slave_0 entered promiscuous mode [ 66.244237][ T8573] chnl_net:caif_netlink_parms(): no params data found [ 66.254180][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.273249][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.282103][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.289949][ T8571] device bridge_slave_1 entered promiscuous mode [ 66.297205][ T8565] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.347722][ T8565] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.402631][ T8565] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.448560][ T8569] team0: Port device team_slave_0 added [ 66.454391][ T8565] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.531644][ T8569] team0: Port device team_slave_1 added [ 66.553571][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.570210][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.602469][ T8573] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.610088][ T8573] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.617993][ T8573] device bridge_slave_0 entered promiscuous mode [ 66.626797][ T8573] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.633861][ T8573] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.641787][ T8573] device bridge_slave_1 entered promiscuous mode [ 66.663064][ T8573] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.708661][ T8569] device hsr_slave_0 entered promiscuous mode [ 66.746127][ T8569] device hsr_slave_1 entered promiscuous mode [ 66.785856][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.793493][ T8569] Cannot create hsr debugfs directory [ 66.818645][ T8573] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.843343][ T8571] team0: Port device team_slave_0 added [ 66.854420][ T8571] team0: Port device team_slave_1 added [ 66.899617][ T8573] team0: Port device team_slave_0 added [ 66.948556][ T8571] device hsr_slave_0 entered promiscuous mode [ 66.996749][ T8571] device hsr_slave_1 entered promiscuous mode [ 67.045834][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.053462][ T8571] Cannot create hsr debugfs directory [ 67.083887][ T8559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.094420][ T8573] team0: Port device team_slave_1 added [ 67.122956][ T8561] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.178790][ T8573] device hsr_slave_0 entered promiscuous mode [ 67.216017][ T8573] device hsr_slave_1 entered promiscuous mode [ 67.266221][ T8573] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.273812][ T8573] Cannot create hsr debugfs directory [ 67.320721][ T8565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.335362][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.347941][ T2805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.362846][ T8561] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.378139][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.386292][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.424261][ T8559] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.435570][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.448732][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.456501][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.465124][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.473804][ T2831] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.481040][ T2831] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.490509][ T8565] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.509591][ T8569] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.567428][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.575316][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.584354][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.593383][ T2844] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.600502][ T2844] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.626096][ T8571] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.669692][ T8569] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.738505][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.747713][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.756754][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.765104][ T2745] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.772389][ T2745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.780127][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.789451][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.798100][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.806661][ T2745] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.813719][ T2745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.821944][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.830285][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.844874][ T8571] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.900311][ T8569] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.958404][ T8569] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.010451][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.020544][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.029190][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.036278][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.044124][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.053704][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.062177][ T2748] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.069238][ T2748] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.076886][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.085768][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.094721][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.106119][ T8571] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.192598][ T8573] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.248457][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.257419][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.266494][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.274992][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.283429][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.292193][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.300712][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.309027][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.317397][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.325901][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.334126][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.342916][ T8571] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.414097][ T8573] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.467923][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.477935][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.486650][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.502415][ T8559] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.513096][ T8559] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.536693][ T8573] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.569006][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.577447][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.586265][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.594466][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.602727][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.611348][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.634208][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.642437][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.650505][ T8573] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.690403][ T8559] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.722258][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.731299][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.740093][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.747699][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.756748][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.769407][ T8561] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.780473][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.790437][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.840936][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.850201][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.861015][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.869977][ T2844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.883270][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.910557][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.919085][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.927863][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.936571][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.945026][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.953397][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.962056][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.970398][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.988341][ T8559] device veth0_vlan entered promiscuous mode [ 69.002604][ T8559] device veth1_vlan entered promiscuous mode [ 69.011542][ T8565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.039074][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.049158][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.060288][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.068476][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.076347][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.091640][ T8561] device veth0_vlan entered promiscuous mode [ 69.145063][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.154467][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.162847][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.171583][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.180279][ T3206] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.187368][ T3206] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.195023][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.203721][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.212308][ T3206] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.219426][ T3206] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.226980][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.235488][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.244301][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.252852][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.260635][ T3206] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.282190][ T8573] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.306628][ T8561] device veth1_vlan entered promiscuous mode [ 69.343133][ T8571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.353234][ T2748] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 174.365603][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.372445][ C0] rcu: 0-...!: (10499 ticks this GP) idle=f0a/1/0x4000000000000002 softirq=14329/14329 fqs=0 [ 174.382981][ C0] (t=10501 jiffies g=6793 q=73) [ 174.387917][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g6793 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 174.399093][ C0] rcu: RCU grace-period kthread stack dump: [ 174.404983][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 174.412883][ C0] Call Trace: [ 174.416177][ C0] __schedule+0x9a0/0xcc0 [ 174.420513][ C0] schedule+0x181/0x210 [ 174.424671][ C0] schedule_timeout+0x14f/0x240 [ 174.429521][ C0] ? run_local_timers+0x120/0x120 [ 174.434546][ C0] rcu_gp_kthread+0xed8/0x1770 [ 174.439317][ C0] kthread+0x332/0x350 [ 174.444513][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 174.449637][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.454226][ C0] ret_from_fork+0x24/0x30 [ 174.458667][ C0] NMI backtrace for cpu 0 [ 174.463011][ C0] CPU: 0 PID: 2748 Comm: kworker/0:25 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.471431][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.481512][ C0] Workqueue: events linkwatch_event [ 174.486710][ C0] Call Trace: [ 174.489988][ C0] [ 174.492838][ C0] dump_stack+0x1fb/0x318 [ 174.500036][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.504883][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.511904][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.517969][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.523953][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.529846][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.534964][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.540186][ C0] ? trace_hardirqs_off+0x74/0x80 [ 174.545225][ C0] update_process_times+0x12d/0x180 [ 174.550424][ C0] tick_sched_timer+0x263/0x420 [ 174.555271][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.560818][ C0] __hrtimer_run_queues+0x403/0x840 [ 174.566027][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.570978][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.576264][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.581814][ C0] apic_timer_interrupt+0xf/0x20 [ 174.586743][ C0] [ 174.589678][ C0] RIP: 0010:free_thread_stack+0x18b/0x590 [ 174.595399][ C0] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 174.615719][ C0] RSP: 0018:ffffc90007d0f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.624131][ C0] RAX: 1ffff11014f54c71 RBX: ffff8880a7aa6388 RCX: ffff88809f6f44c0 [ 174.632104][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002509780 [ 174.640075][ C0] RBP: ffffc90007d0f738 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.648047][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a7aa6420 [ 174.656018][ C0] R13: dffffc0000000000 R14: 1ffff11014f54c84 R15: ffff88808e47d9b8 [ 174.664035][ C0] put_task_stack+0xa3/0x130 [ 174.668626][ C0] finish_task_switch+0x3f1/0x550 [ 174.673652][ C0] __schedule+0x9a8/0xcc0 [ 174.677989][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.683117][ C0] preempt_schedule+0xdb/0x120 [ 174.687879][ C0] ___preempt_schedule+0x16/0x18 [ 174.692824][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 174.697647][ C0] ? vprintk_emit+0x368/0x3a0 [ 174.702325][ C0] vprintk_emit+0x36d/0x3a0 [ 174.706959][ C0] vprintk_default+0x28/0x30 [ 174.711551][ C0] vprintk_func+0x158/0x170 [ 174.716050][ C0] printk+0x62/0x8d [ 174.719869][ C0] ? addrconf_notify+0xd37/0x3c90 [ 174.724886][ C0] ? addrconf_notify+0x779/0x3c90 [ 174.729912][ C0] addrconf_notify+0x2c8d/0x3c90 [ 174.734857][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 174.740140][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.745537][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.751085][ C0] ? trace_hardirqs_on+0x74/0x80 [ 174.756018][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 174.761389][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.766932][ C0] ? tls_dev_event+0x619/0xc00 [ 174.771700][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 174.777244][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 174.782452][ C0] raw_notifier_call_chain+0xec/0x190 [ 174.787833][ C0] netdev_state_change+0x147/0x1f0 [ 174.792943][ C0] linkwatch_do_dev+0x10e/0x160 [ 174.797803][ C0] __linkwatch_run_queue+0x446/0x730 [ 174.803098][ C0] linkwatch_event+0x4c/0x60 [ 174.807803][ C0] process_one_work+0x7ef/0x10d0 [ 174.812778][ C0] worker_thread+0xc01/0x1630 [ 174.817477][ C0] kthread+0x332/0x350 [ 174.821540][ C0] ? rcu_lock_release+0x30/0x30 [ 174.826385][ C0] ? kthread_blkcg+0xe0/0xe0 [ 174.830976][ C0] ret_from_fork+0x24/0x30