[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.917867][ T23] audit: type=1800 audit(1578455655.152:25): pid=8309 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.937159][ T23] audit: type=1800 audit(1578455655.152:26): pid=8309 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.986070][ T23] audit: type=1800 audit(1578455655.152:27): pid=8309 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 '10.128.0.30' (ECDSA) to the list of known hosts. 2020/01/08 03:54:26 fuzzer started 2020/01/08 03:54:28 dialing manager at 10.128.0.26:35703 2020/01/08 03:54:28 syscalls: 2824 2020/01/08 03:54:28 code coverage: enabled 2020/01/08 03:54:28 comparison tracing: enabled 2020/01/08 03:54:28 extra coverage: enabled 2020/01/08 03:54:28 setuid sandbox: enabled 2020/01/08 03:54:28 namespace sandbox: enabled 2020/01/08 03:54:28 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:54:28 fault injection: enabled 2020/01/08 03:54:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:54:28 net packet injection: enabled 2020/01/08 03:54:28 net device setup: enabled 2020/01/08 03:54:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:54:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:54:29 executing program 0: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) fsetxattr$smack_xattr_label(r0, &(0x7f0000000000)='security.SMACK64\x00', &(0x7f00000000c0)={'ppp0'}, 0x5, 0x2) 03:54:29 executing program 1: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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) r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000001640)='/dev/autofs\x00', 0x0, 0x0) dup3(r1, r0, 0x0) syzkaller login: [ 66.433330][ T8475] IPVS: ftp: loaded support on port[0] = 21 03:54:29 executing program 2: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet6(0x10, 0x8000000100000003, 0x0) r3 = dup2(r1, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$cont(0x9, r0, 0x0, 0x2) [ 66.557869][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 66.615005][ T8475] chnl_net:caif_netlink_parms(): no params data found [ 66.709233][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 66.749096][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.764014][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.771703][ T8475] device bridge_slave_0 entered promiscuous mode [ 66.819772][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.828975][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.837200][ T8475] device bridge_slave_1 entered promiscuous mode 03:54:30 executing program 3: r0 = socket$inet(0x10, 0x20000000000002, 0x0) sendmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000140)="240000001e0007041dfffd946f610500070000001f00000000000400040005000400ff7e", 0x24}], 0x1}, 0x0) [ 66.883142][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 66.922915][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.951483][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.029869][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.053881][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.061487][ T8477] device bridge_slave_0 entered promiscuous mode [ 67.106064][ T8475] team0: Port device team_slave_0 added [ 67.112008][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.121866][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.130236][ T8477] device bridge_slave_1 entered promiscuous mode [ 67.149631][ T8475] team0: Port device team_slave_1 added [ 67.161464][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 67.163457][ T8484] IPVS: ftp: loaded support on port[0] = 21 03:54:30 executing program 4: r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$unix(0x1, 0x2, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x8000000000040842, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f00000003c0)=0xd) write(r3, &(0x7f0000000040)="e0", 0x100000098) [ 67.203637][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.279270][ T8475] device hsr_slave_0 entered promiscuous mode [ 67.336518][ T8475] device hsr_slave_1 entered promiscuous mode [ 67.398359][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 03:54:30 executing program 5: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x46, 0x209e1e, 0x3, 0x1}, 0x3c) bpf$MAP_LOOKUP_ELEM(0x2, &(0x7f0000000080)={r0, &(0x7f0000000300), &(0x7f0000000340)=""/130}, 0x18) [ 67.439576][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 67.533240][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.544508][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.552241][ T8480] device bridge_slave_0 entered promiscuous mode [ 67.565928][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.573000][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.581116][ T8480] device bridge_slave_1 entered promiscuous mode [ 67.605072][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.618092][ T8477] team0: Port device team_slave_0 added [ 67.625805][ T8477] team0: Port device team_slave_1 added [ 67.636936][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.716718][ T8477] device hsr_slave_0 entered promiscuous mode [ 67.774216][ T8477] device hsr_slave_1 entered promiscuous mode [ 67.814662][ T8477] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.822414][ T8477] Cannot create hsr debugfs directory [ 67.854666][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 67.877133][ T8480] team0: Port device team_slave_0 added [ 67.886028][ T8480] team0: Port device team_slave_1 added [ 67.942840][ T8475] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.006710][ T8475] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.058492][ T8475] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.116229][ T8475] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.216775][ T8480] device hsr_slave_0 entered promiscuous mode [ 68.254277][ T8480] device hsr_slave_1 entered promiscuous mode [ 68.314407][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.321990][ T8480] Cannot create hsr debugfs directory [ 68.329902][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 68.455375][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.462554][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.471449][ T8484] device bridge_slave_0 entered promiscuous mode [ 68.496484][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 68.529288][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.537617][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.545849][ T8484] device bridge_slave_1 entered promiscuous mode [ 68.552975][ T8477] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.597842][ T8477] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.649009][ T8477] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.706999][ T8477] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.766571][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 68.822515][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.829824][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.838234][ T8486] device bridge_slave_0 entered promiscuous mode [ 68.851525][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.858800][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.870045][ T8486] device bridge_slave_1 entered promiscuous mode [ 68.878126][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.918668][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.942111][ T8484] team0: Port device team_slave_0 added [ 68.960545][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.970781][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.978972][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.986836][ T8488] device bridge_slave_0 entered promiscuous mode [ 69.005943][ T8484] team0: Port device team_slave_1 added [ 69.021645][ T8480] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.087764][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.097635][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.105230][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.112814][ T8488] device bridge_slave_1 entered promiscuous mode [ 69.131624][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.147977][ T8480] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.192503][ T8480] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.247439][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.268767][ T8480] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.349510][ T8488] team0: Port device team_slave_0 added [ 69.358705][ T8486] team0: Port device team_slave_0 added [ 69.369668][ T8486] team0: Port device team_slave_1 added [ 69.391023][ T8488] team0: Port device team_slave_1 added [ 69.426557][ T8484] device hsr_slave_0 entered promiscuous mode [ 69.484141][ T8484] device hsr_slave_1 entered promiscuous mode [ 69.523964][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.531562][ T8484] Cannot create hsr debugfs directory [ 69.571287][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.606426][ T8486] device hsr_slave_0 entered promiscuous mode [ 69.655006][ T8486] device hsr_slave_1 entered promiscuous mode [ 69.703961][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.711624][ T8486] Cannot create hsr debugfs directory [ 69.724862][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.787234][ T8488] device hsr_slave_0 entered promiscuous mode [ 69.824344][ T8488] device hsr_slave_1 entered promiscuous mode [ 69.884316][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.891912][ T8488] Cannot create hsr debugfs directory [ 69.952388][ T8477] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.988087][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.997162][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.009105][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.033731][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.041515][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.050474][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.060338][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.069261][ T3131] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.076499][ T3131] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.090797][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.099569][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.108037][ T3131] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.115126][ T3131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.122696][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.132229][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.180724][ T8486] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.217657][ T8486] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.271766][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.281780][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.290407][ T2876] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.297515][ T2876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.305244][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.313976][ T8488] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.365750][ T8486] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.406825][ T8486] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.445834][ T8484] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.495827][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.504131][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.512622][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.521582][ T2894] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.528650][ T2894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.537104][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.545760][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.554205][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.562725][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.571219][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.579551][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.588579][ T2894] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.596373][ T8488] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.649174][ T8488] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 70.707531][ T8488] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.775093][ T8484] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.828861][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.839495][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.852261][ T8477] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.865322][ T8477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.890616][ T8484] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.969483][ T8484] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.005342][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.013595][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.023330][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.031939][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.040343][ T3131] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.071748][ T8477] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.083598][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.092626][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.101195][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.109403][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.117646][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.125756][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.133191][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.141503][ T2684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.152198][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.186537][ T8475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.212055][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.220657][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.229783][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.264477][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.272966][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.281769][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.288856][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.296528][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.305087][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.313317][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.320457][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.328665][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.356034][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.370273][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.389734][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.400528][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.409105][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.418629][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.427178][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.435956][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.444494][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.459667][ T8480] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.472092][ T8480] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.503642][ T8488] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.512533][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.527437][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.536247][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.544802][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.552985][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.561415][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.569691][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.577590][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.585573][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.593123][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.613722][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.625393][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.643522][ T8475] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.651112][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.660043][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.667702][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.675817][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.684590][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.693014][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.700153][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.708040][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.715553][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.722932][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.731233][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.741204][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.749102][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.757465][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.776679][ T8477] device veth0_vlan entered promiscuous mode [ 71.802338][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.811481][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.820302][ T2685] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.827393][ T2685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.837355][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.846411][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.855381][ T2685] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.862415][ T2685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.870045][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.878865][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.887427][ T2685] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.894512][ T2685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.902239][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.911105][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.919647][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.928127][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.937000][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.945534][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.953907][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.962090][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.970452][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.978574][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.999278][ T8488] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.012143][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.020821][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.030694][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.039811][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.048729][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.057248][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.072148][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.102196][ T8477] device veth1_vlan entered promiscuous mode [ 72.113716][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.127216][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.159593][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.169366][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.177431][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.185995][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.195011][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.203091][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.211058][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.219259][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.227564][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.235887][ T8480] device veth0_vlan entered promiscuous mode [ 72.258483][ T8488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.269760][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.279305][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.288626][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.298771][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.310300][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.318853][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.327461][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.335708][ T2876] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.349957][ T8480] device veth1_vlan entered promiscuous mode [ 72.366285][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.390908][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.399336][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.408465][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.429473][ T8475] device veth0_vlan entered promiscuous mode [ 72.450660][ T8486] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.466293][ T8486] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.478031][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.487294][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.495961][ T2683] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.502999][ T2683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.510894][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.520113][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.528943][ T2683] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.536034][ T2683] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.544909][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.553488][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.562112][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.570833][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.586891][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.598312][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.609362][ T2683] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 177.453746][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 177.460503][ C1] rcu: 1-....: (1 GPs behind) idle=f2e/1/0x4000000000000002 softirq=14292/14293 fqs=2693 [ 177.470638][ C1] (t=10500 jiffies g=6729 q=284) [ 177.475653][ C1] rcu: rcu_preempt kthread starved for 5107 jiffies! g6729 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 177.486646][ C1] rcu: RCU grace-period kthread stack dump: [ 177.492517][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 177.500401][ C1] Call Trace: [ 177.503686][ C1] __schedule+0x9a0/0xcc0 [ 177.508021][ C1] schedule+0x181/0x210 [ 177.512164][ C1] schedule_timeout+0x14f/0x240 [ 177.517032][ C1] ? run_local_timers+0x120/0x120 [ 177.522054][ C1] rcu_gp_kthread+0xed8/0x1770 [ 177.526844][ C1] kthread+0x332/0x350 [ 177.530906][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 177.536008][ C1] ? kthread_blkcg+0xe0/0xe0 [ 177.540591][ C1] ret_from_fork+0x24/0x30 [ 177.545099][ C1] NMI backtrace for cpu 1 [ 177.549419][ C1] CPU: 1 PID: 8495 Comm: kworker/u4:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 177.557833][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.567896][ C1] Call Trace: [ 177.571165][ C1] [ 177.574008][ C1] dump_stack+0x1fb/0x318 [ 177.578330][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 177.583279][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.589422][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.595478][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.601445][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.607329][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.612435][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.617626][ C1] ? trace_hardirqs_off+0x74/0x80 [ 177.622639][ C1] update_process_times+0x12d/0x180 [ 177.627826][ C1] tick_sched_timer+0x263/0x420 [ 177.632664][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.638197][ C1] __hrtimer_run_queues+0x403/0x840 [ 177.643398][ C1] hrtimer_interrupt+0x38c/0xda0 [ 177.648341][ C1] ? debug_smp_processor_id+0x9/0x20 [ 177.653620][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 177.659151][ C1] apic_timer_interrupt+0xf/0x20 [ 177.664073][ C1] [ 177.666998][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 177.673049][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 [ 177.692637][ C1] RSP: 0018:ffffc90002467e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.701048][ C1] RAX: 1ffff11011cb5661 RBX: ffffea00022fc0c0 RCX: ffff8880a73240c0 [ 177.709007][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00022fc0c0 [ 177.716974][ C1] RBP: ffffc90002467e78 R08: 000000000003a728 R09: ffffed101311c749 [ 177.724933][ C1] R10: ffffed101311c749 R11: 0000000000000000 R12: ffff88808e5ab3a0 [ 177.732912][ C1] R13: dffffc0000000000 R14: 1ffff11011cb5674 R15: ffff8880988e3a38 [ 177.740918][ C1] ? free_thread_stack+0x124/0x590 [ 177.746023][ C1] put_task_stack+0xa3/0x130 [ 177.750605][ C1] finish_task_switch+0x3f1/0x550 [ 177.755625][ C1] ? proc_cap_handler+0x450/0x450 [ 177.760641][ C1] schedule_tail+0x20/0x1a0 [ 177.765239][ C1] ? proc_cap_handler+0x450/0x450 [ 177.770251][ C1] ret_from_fork+0x8/0x30