[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.259183][ T23] audit: type=1800 audit(1578461017.385:25): pid=8205 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.279838][ T23] audit: type=1800 audit(1578461017.385:26): pid=8205 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.310781][ T23] audit: type=1800 audit(1578461017.395:27): pid=8205 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 '10.128.0.13' (ECDSA) to the list of known hosts. 2020/01/08 05:23:48 fuzzer started 2020/01/08 05:23:49 dialing manager at 10.128.0.26:35703 2020/01/08 05:23:49 syscalls: 2824 2020/01/08 05:23:49 code coverage: enabled 2020/01/08 05:23:49 comparison tracing: enabled 2020/01/08 05:23:49 extra coverage: enabled 2020/01/08 05:23:49 setuid sandbox: enabled 2020/01/08 05:23:49 namespace sandbox: enabled 2020/01/08 05:23:49 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:23:49 fault injection: enabled 2020/01/08 05:23:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:23:49 net packet injection: enabled 2020/01/08 05:23:49 net device setup: enabled 2020/01/08 05:23:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:23:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:23:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=@newlink={0x28, 0x12, 0xffffff1f, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0xa, r1}]}, 0x28}}, 0x0) 05:23:51 executing program 1: r0 = syz_open_dev$loop(&(0x7f0000000200)='/dev/loop#\x00', 0x0, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) ioctl$IOC_PR_PREEMPT_ABORT(r0, 0x1261, 0x0) syzkaller login: [ 59.003643][ T8371] IPVS: ftp: loaded support on port[0] = 21 [ 59.102532][ T8371] chnl_net:caif_netlink_parms(): no params data found [ 59.146552][ T8371] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.154200][ T8371] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.162107][ T8371] device bridge_slave_0 entered promiscuous mode [ 59.171820][ T8371] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.179266][ T8371] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.188132][ T8371] device bridge_slave_1 entered promiscuous mode [ 59.210727][ T8371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.212643][ T8374] IPVS: ftp: loaded support on port[0] = 21 [ 59.227451][ T8371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.254705][ T8371] team0: Port device team_slave_0 added 05:23:51 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x103, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x3, 0x1) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000380)={{{@in6=@dev, @in=@multicast1, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x0, 0x33}, 0x0, @in6=@local, 0x0, 0x4, 0x0, 0x6}}, 0xe8) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x0, 0x0, @loopback}, 0x1c) sendmmsg(r0, &(0x7f0000007e00), 0x400000000000058, 0x0) [ 59.266229][ T8371] team0: Port device team_slave_1 added [ 59.348804][ T8371] device hsr_slave_0 entered promiscuous mode [ 59.405220][ T8371] device hsr_slave_1 entered promiscuous mode 05:23:51 executing program 3: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") r1 = socket(0x2, 0x3, 0x1) getsockopt$inet_mreqn(r1, 0x0, 0x19, 0x0, &(0x7f0000003740)) [ 59.526225][ T8376] IPVS: ftp: loaded support on port[0] = 21 05:23:51 executing program 4: r0 = eventfd(0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) request_key(&(0x7f0000000400)='asymmetric\x00', &(0x7f0000000500)={'syz', 0x0}, 0x0, 0x0) [ 59.724974][ T8374] chnl_net:caif_netlink_parms(): no params data found [ 59.746081][ T8371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.753972][ T8379] IPVS: ftp: loaded support on port[0] = 21 [ 59.826136][ T8371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.866008][ T8371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.913916][ T8376] chnl_net:caif_netlink_parms(): no params data found [ 59.948024][ T8371] netdevsim netdevsim0 netdevsim3: renamed from eth3 05:23:52 executing program 5: perf_event_open(&(0x7f0000000300)={0x3, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xb, 0xa, 0x209e1e, 0x3, 0x1}, 0x3c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000b40)={r0, &(0x7f0000000300), &(0x7f0000000340)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x4, &(0x7f0000000240)={r0, &(0x7f0000000140), &(0x7f0000000040)=""/92}, 0x20) [ 60.017798][ T8374] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.025850][ T8374] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.033723][ T8374] device bridge_slave_0 entered promiscuous mode [ 60.053595][ T8374] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.063043][ T8374] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.073072][ T8374] device bridge_slave_1 entered promiscuous mode [ 60.107912][ T8383] IPVS: ftp: loaded support on port[0] = 21 [ 60.119856][ T8371] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.127041][ T8371] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.134779][ T8371] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.141845][ T8371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.160662][ T8376] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.169152][ T8376] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.180243][ T8376] device bridge_slave_0 entered promiscuous mode [ 60.191400][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.200648][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.215498][ T8374] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.233480][ T8376] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.240607][ T8376] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.249663][ T8376] device bridge_slave_1 entered promiscuous mode [ 60.269209][ T8374] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.280769][ T8385] IPVS: ftp: loaded support on port[0] = 21 [ 60.312930][ T8376] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.353932][ T8374] team0: Port device team_slave_0 added [ 60.361206][ T8376] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.385424][ T8374] team0: Port device team_slave_1 added [ 60.408200][ T8379] chnl_net:caif_netlink_parms(): no params data found [ 60.486946][ T8374] device hsr_slave_0 entered promiscuous mode [ 60.534347][ T8374] device hsr_slave_1 entered promiscuous mode [ 60.594158][ T8374] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.601846][ T8374] Cannot create hsr debugfs directory [ 60.617710][ T8376] team0: Port device team_slave_0 added [ 60.638932][ T8376] team0: Port device team_slave_1 added [ 60.671616][ T8379] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.679446][ T8379] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.687143][ T8379] device bridge_slave_0 entered promiscuous mode [ 60.709624][ T8379] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.716887][ T8379] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.724793][ T8379] device bridge_slave_1 entered promiscuous mode [ 60.786835][ T8376] device hsr_slave_0 entered promiscuous mode [ 60.864379][ T8376] device hsr_slave_1 entered promiscuous mode [ 60.914126][ T8376] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.921690][ T8376] Cannot create hsr debugfs directory [ 60.972993][ T8379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.031764][ T8379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.062162][ T8379] team0: Port device team_slave_0 added [ 61.072844][ T8379] team0: Port device team_slave_1 added [ 61.091141][ T8385] chnl_net:caif_netlink_parms(): no params data found [ 61.128040][ T8383] chnl_net:caif_netlink_parms(): no params data found [ 61.206910][ T8379] device hsr_slave_0 entered promiscuous mode [ 61.244457][ T8379] device hsr_slave_1 entered promiscuous mode [ 61.284209][ T8379] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.291788][ T8379] Cannot create hsr debugfs directory [ 61.307023][ T8374] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.368899][ T8374] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.461848][ T8371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.469464][ T8374] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.553178][ T8374] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.613245][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.622258][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.633539][ T8376] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.677861][ T8371] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.695669][ T8385] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.702732][ T8385] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.710514][ T8385] device bridge_slave_0 entered promiscuous mode [ 61.719571][ T8376] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.760378][ T8376] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.815830][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.827780][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.836102][ T2762] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.843123][ T2762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.855235][ T8385] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.862294][ T8385] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.870635][ T8385] device bridge_slave_1 entered promiscuous mode [ 61.881842][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.889861][ T8383] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.897496][ T8383] device bridge_slave_0 entered promiscuous mode [ 61.905308][ T8376] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.963731][ T8385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.979005][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.987173][ T8383] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.995080][ T8383] device bridge_slave_1 entered promiscuous mode [ 62.016224][ T8383] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.025812][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.037268][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.045833][ T2762] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.052852][ T2762] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.060486][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.069427][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.086091][ T8385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.105573][ T8383] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.141714][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.150424][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.161074][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.169565][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.205808][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.214470][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.222630][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.231860][ T8379] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.297311][ T8385] team0: Port device team_slave_0 added [ 62.303097][ T8379] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.347532][ T8383] team0: Port device team_slave_0 added [ 62.358015][ T8371] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.369934][ T8371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.380934][ T8385] team0: Port device team_slave_1 added [ 62.387182][ T8379] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.428248][ T8379] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.489969][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.498652][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.508075][ T8383] team0: Port device team_slave_1 added [ 62.566200][ T8385] device hsr_slave_0 entered promiscuous mode [ 62.604815][ T8385] device hsr_slave_1 entered promiscuous mode [ 62.634146][ T8385] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.641764][ T8385] Cannot create hsr debugfs directory [ 62.736901][ T8383] device hsr_slave_0 entered promiscuous mode [ 62.784796][ T8383] device hsr_slave_1 entered promiscuous mode [ 62.834283][ T8383] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.841906][ T8383] Cannot create hsr debugfs directory [ 62.891775][ T8371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.911277][ T8374] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.923696][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.932110][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.957424][ T8376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.976857][ T8376] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.009835][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.018720][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.033508][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.049442][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.058434][ T2762] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.065538][ T2762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.082868][ T8374] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.107601][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.115630][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.123506][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.131502][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.140654][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.149599][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.159307][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.167726][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.174808][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.182402][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.191348][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.199846][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.206921][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.243005][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.251080][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.259705][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.269555][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.278871][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.287552][ T2762] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.294642][ T2762] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.302340][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.311550][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.319589][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.338706][ T8371] device veth0_vlan entered promiscuous mode [ 63.355126][ T8385] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.398722][ T8385] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.457193][ T8385] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.505541][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.514683][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.523278][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.531940][ T8383] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.580942][ T8383] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.636005][ T8383] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.693139][ T8383] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.738401][ T8385] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.796612][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.805344][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.813590][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.822095][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.830385][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.839026][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.847659][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.855749][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.868065][ T8371] device veth1_vlan entered promiscuous mode [ 63.877767][ T8379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.910779][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.919579][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.928843][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.937951][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.946538][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.956532][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.965284][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.973464][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.991161][ T8376] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.003743][ T8376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.023335][ T8379] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.033707][ T8374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.043965][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.055189][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.063259][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.071227][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.104160][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.112928][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.123090][ T3814] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.130204][ T3814] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.144389][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.152794][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.161307][ T3814] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.168398][ T3814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.176084][ T3814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.217306][ T8376] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.233864][ T8374] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.241799][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.252123][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.264768][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.272250][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.289192][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.300139][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.312366][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.323373][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.338393][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.348231][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.359763][ T3824] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 169.294005][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.300941][ C1] rcu: 1-...!: (10499 ticks this GP) idle=ee2/1/0x4000000000000002 softirq=11027/11027 fqs=4 [ 169.311471][ C1] (t=10501 jiffies g=6601 q=51) [ 169.316485][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g6601 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.327569][ C1] rcu: RCU grace-period kthread stack dump: [ 169.333445][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 169.341333][ C1] Call Trace: [ 169.344618][ C1] __schedule+0x9a0/0xcc0 [ 169.348958][ C1] schedule+0x181/0x210 [ 169.353107][ C1] schedule_timeout+0x14f/0x240 [ 169.357948][ C1] ? run_local_timers+0x120/0x120 [ 169.362964][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.367726][ C1] kthread+0x332/0x350 [ 169.371785][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.376889][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.381468][ C1] ret_from_fork+0x24/0x30 [ 169.385896][ C1] NMI backtrace for cpu 1 [ 169.390214][ C1] CPU: 1 PID: 8371 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 169.398781][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.408821][ C1] Call Trace: [ 169.412096][ C1] [ 169.414940][ C1] dump_stack+0x1fb/0x318 [ 169.419260][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.424103][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.430245][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.436299][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.442268][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.448156][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.453261][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.458450][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.463484][ C1] update_process_times+0x12d/0x180 [ 169.468686][ C1] tick_sched_timer+0x263/0x420 [ 169.473532][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.479073][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.484277][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.489222][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.494502][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.500042][ C1] apic_timer_interrupt+0xf/0x20 [ 169.504965][ C1] [ 169.507901][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 169.513959][ 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 [ 169.533563][ C1] RSP: 0018:ffffc90001e87bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.541966][ C1] RAX: 1ffff110128d0871 RBX: ffffea000251f680 RCX: ffff88809122a480 [ 169.549926][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000251f680 [ 169.557889][ C1] RBP: ffffc90001e87c08 R08: 000000000003a728 R09: ffffed1011ec3ac9 [ 169.565850][ C1] R10: ffffed1011ec3ac9 R11: 0000000000000000 R12: ffff8880950401a0 [ 169.573810][ C1] R13: dffffc0000000000 R14: 1ffff11012a08034 R15: ffff88808f61d638 [ 169.581790][ C1] ? free_thread_stack+0x124/0x590 [ 169.586897][ C1] put_task_stack+0xa3/0x130 [ 169.591479][ C1] finish_task_switch+0x3f1/0x550 [ 169.596499][ C1] __schedule+0x9a8/0xcc0 [ 169.600827][ C1] schedule+0x181/0x210 [ 169.604973][ C1] do_nanosleep+0x1d0/0x6c0 [ 169.609475][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 169.614406][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 169.620210][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 169.625313][ C1] do_syscall_64+0xf7/0x1c0 [ 169.629806][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.635689][ C1] RIP: 0033:0x4593f0 [ 169.639585][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 169.659175][ C1] RSP: 002b:00007ffe840b9208 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 169.667574][ C1] RAX: ffffffffffffffda RBX: 000000000000fb17 RCX: 00000000004593f0 [ 169.675532][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffe840b9210 [ 169.683492][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000bd3940 [ 169.691450][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 169.699411][ C1] R13: 00007ffe840b9260 R14: 000000000000fb03 R15: 00007ffe840b9270