[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.566182][ T23] audit: type=1800 audit(1578460463.818:25): pid=8345 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.593350][ T23] audit: type=1800 audit(1578460463.818:26): pid=8345 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.613887][ T23] audit: type=1800 audit(1578460463.818:27): pid=8345 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 '10.128.0.15' (ECDSA) to the list of known hosts. 2020/01/08 05:14:33 fuzzer started 2020/01/08 05:14:35 dialing manager at 10.128.0.26:35703 2020/01/08 05:14:35 syscalls: 2824 2020/01/08 05:14:35 code coverage: enabled 2020/01/08 05:14:35 comparison tracing: enabled 2020/01/08 05:14:35 extra coverage: enabled 2020/01/08 05:14:35 setuid sandbox: enabled 2020/01/08 05:14:35 namespace sandbox: enabled 2020/01/08 05:14:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 05:14:35 fault injection: enabled 2020/01/08 05:14:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 05:14:35 net packet injection: enabled 2020/01/08 05:14:35 net device setup: enabled 2020/01/08 05:14:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 05:14:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:14:36 executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) connect$rds(r0, &(0x7f0000000340)={0x2, 0x0, @broadcast}, 0x10) 05:14:36 executing program 1: mknod(&(0x7f0000000040)='./bus\x00', 0x0, 0x0) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000000)=@loop={'/dev/loop', 0x0}, &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='vfat\x00', 0x0, 0x0) syzkaller login: [ 67.700285][ T8513] IPVS: ftp: loaded support on port[0] = 21 [ 67.882024][ T8513] chnl_net:caif_netlink_parms(): no params data found [ 67.915670][ T8516] IPVS: ftp: loaded support on port[0] = 21 05:14:37 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000280)={0x2, {{0x2, 0x0, @multicast2}}}, 0x356) setsockopt$inet_group_source_req(r0, 0x0, 0x2f, &(0x7f0000000640)={0x2, {{0x2, 0x0, @multicast2}}, {{0x2, 0x0, @local}}}, 0x108) setsockopt$inet_group_source_req(r0, 0x0, 0x2d, &(0x7f0000000340)={0x2, {{0x2, 0x0, @multicast2}}, {{0x2, 0x0, @multicast1}}}, 0x108) [ 67.969428][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.984240][ T8513] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.004349][ T8513] device bridge_slave_0 entered promiscuous mode [ 68.024420][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.031498][ T8513] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.055179][ T8513] device bridge_slave_1 entered promiscuous mode [ 68.088745][ T8513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.115163][ T8513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.149623][ T8518] IPVS: ftp: loaded support on port[0] = 21 [ 68.162286][ T8513] team0: Port device team_slave_0 added [ 68.199790][ T8513] team0: Port device team_slave_1 added [ 68.236664][ T8516] chnl_net:caif_netlink_parms(): no params data found 05:14:37 executing program 3: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) mount$fuseblk(&(0x7f0000000080)='/dev/loop0\x00', 0x0, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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) ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, 0x0) sched_setscheduler(0x0, 0x0, &(0x7f0000000380)) r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) write$P9_RWALK(r0, &(0x7f0000000300)=ANY=[], 0x6) mmap(&(0x7f0000004000/0x4000)=nil, 0x4000, 0x0, 0x28812, r0, 0x0) r1 = perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(r0, r1) [ 68.305935][ T8513] device hsr_slave_0 entered promiscuous mode [ 68.343849][ T8513] device hsr_slave_1 entered promiscuous mode [ 68.450784][ T8522] IPVS: ftp: loaded support on port[0] = 21 05:14:37 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000140)='io.bfq.weight\x00', 0x2, 0x0) sendfile(r1, r1, 0x0, 0x400000010000210) [ 68.522808][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.535450][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.543241][ T8516] device bridge_slave_0 entered promiscuous mode [ 68.600206][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.614050][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.621886][ T8516] device bridge_slave_1 entered promiscuous mode [ 68.670513][ T8518] chnl_net:caif_netlink_parms(): no params data found 05:14:38 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) getgroups(0x3ffffffffffffe36, &(0x7f0000000380)=[0x0, 0xffffffffffffffff, 0x0]) [ 68.738600][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.769058][ T8513] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.855919][ T8513] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.885812][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.915865][ T8513] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.976312][ T8513] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.031587][ T8527] IPVS: ftp: loaded support on port[0] = 21 [ 69.038936][ T8516] team0: Port device team_slave_0 added [ 69.046261][ T8516] team0: Port device team_slave_1 added [ 69.105337][ T8518] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.112463][ T8518] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.121867][ T8518] device bridge_slave_0 entered promiscuous mode [ 69.145732][ T8526] IPVS: ftp: loaded support on port[0] = 21 [ 69.158492][ T8518] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.166647][ T8518] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.174502][ T8518] device bridge_slave_1 entered promiscuous mode [ 69.199120][ T8522] chnl_net:caif_netlink_parms(): no params data found [ 69.225840][ T8518] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.275914][ T8516] device hsr_slave_0 entered promiscuous mode [ 69.333638][ T8516] device hsr_slave_1 entered promiscuous mode [ 69.383564][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.391298][ T8516] Cannot create hsr debugfs directory [ 69.419648][ T8518] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.459311][ T8518] team0: Port device team_slave_0 added [ 69.489214][ T8522] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.496406][ T8522] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.505041][ T8522] device bridge_slave_0 entered promiscuous mode [ 69.513765][ T8522] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.520799][ T8522] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.528997][ T8522] device bridge_slave_1 entered promiscuous mode [ 69.536645][ T8518] team0: Port device team_slave_1 added [ 69.552315][ T8522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.644854][ T8518] device hsr_slave_0 entered promiscuous mode [ 69.693692][ T8518] device hsr_slave_1 entered promiscuous mode [ 69.763458][ T8518] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.771138][ T8518] Cannot create hsr debugfs directory [ 69.778027][ T8522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.804368][ T8522] team0: Port device team_slave_0 added [ 69.819629][ T8522] team0: Port device team_slave_1 added [ 69.860074][ T8513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.872401][ T8527] chnl_net:caif_netlink_parms(): no params data found [ 69.964998][ T8522] device hsr_slave_0 entered promiscuous mode [ 70.005854][ T8522] device hsr_slave_1 entered promiscuous mode [ 70.053421][ T8522] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.061013][ T8522] Cannot create hsr debugfs directory [ 70.071407][ T8526] chnl_net:caif_netlink_parms(): no params data found [ 70.136738][ T8526] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.144101][ T8526] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.151570][ T8526] device bridge_slave_0 entered promiscuous mode [ 70.159151][ T8516] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.245517][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.254744][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.266808][ T8526] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.274523][ T8526] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.281993][ T8526] device bridge_slave_1 entered promiscuous mode [ 70.292216][ T8516] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.362761][ T8527] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.370500][ T8527] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.378417][ T8527] device bridge_slave_0 entered promiscuous mode [ 70.388373][ T8513] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.407976][ T8516] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.447287][ T8516] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.504838][ T8527] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.511954][ T8527] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.522550][ T8527] device bridge_slave_1 entered promiscuous mode [ 70.537397][ T8526] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.546997][ T8518] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.605726][ T8518] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.647368][ T8518] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.688627][ T8518] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.741648][ T8526] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.779823][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.789077][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.797696][ T2766] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.804882][ T2766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.812924][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.825824][ T8527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.836894][ T8526] team0: Port device team_slave_0 added [ 70.844166][ T8527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.868536][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.877121][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.885804][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.892839][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.900356][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.908726][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.921124][ T8526] team0: Port device team_slave_1 added [ 70.950181][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.958982][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.967943][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.976630][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.985146][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.993236][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.001809][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.031596][ T8527] team0: Port device team_slave_0 added [ 71.040027][ T8527] team0: Port device team_slave_1 added [ 71.084923][ T8526] device hsr_slave_0 entered promiscuous mode [ 71.123833][ T8526] device hsr_slave_1 entered promiscuous mode [ 71.183410][ T8526] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.191005][ T8526] Cannot create hsr debugfs directory [ 71.198918][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.207439][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.218001][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.285687][ T8527] device hsr_slave_0 entered promiscuous mode [ 71.313744][ T8527] device hsr_slave_1 entered promiscuous mode [ 71.343568][ T8527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.351186][ T8527] Cannot create hsr debugfs directory [ 71.357096][ T8522] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.415501][ T8522] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 71.445018][ T8522] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.500123][ T8522] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.573493][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.580878][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.661647][ T8527] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.729612][ T8527] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.811041][ T8527] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.858932][ T8513] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.881212][ T8527] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.933484][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.953098][ T8526] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.991409][ T8518] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.001970][ T8526] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.045289][ T8526] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.090115][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.110771][ T8518] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.121301][ T8526] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.155951][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.164142][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.171745][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.180658][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.189120][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.197786][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.206364][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.213447][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.221194][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.229663][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.237887][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.244958][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.252401][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.260028][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.274260][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.282014][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.310801][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.319707][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.328677][ T2765] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.335788][ T2765] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.343245][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.351816][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.360132][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.367219][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.374887][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.383605][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.391980][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.400165][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.409867][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.417747][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.425594][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.455234][ T8513] device veth0_vlan entered promiscuous mode [ 72.467180][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.476783][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.486222][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.494933][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.503440][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.511666][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.520603][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.528778][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.536994][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.545470][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.553223][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.574451][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.586023][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.598423][ T8513] device veth1_vlan entered promiscuous mode [ 72.621178][ T8522] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.632624][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.641479][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.652709][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.679227][ T8516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.688311][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.697305][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.705811][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.714441][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.722043][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.750534][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.758901][ T2766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.770327][ T8526] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.785279][ T8522] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.812014][ T8527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.830186][ T8518] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.843137][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.851641][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.861164][ T2765] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.868270][ T2765] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.876884][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.885772][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.894239][ T2765] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.901256][ T2765] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.910033][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.917818][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.925688][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.940990][ T8526] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.961325][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.982443][ T8527] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.991717][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.000294][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.015660][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.024195][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.036824][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.045894][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 178.023298][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.030143][ C1] rcu: 1-....: (10499 ticks this GP) idle=766/1/0x4000000000000002 softirq=14625/14625 fqs=2726 [ 178.040883][ C1] (t=10500 jiffies g=6985 q=227) [ 178.045901][ C1] rcu: rcu_preempt kthread starved for 5028 jiffies! g6985 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.056981][ C1] rcu: RCU grace-period kthread stack dump: [ 178.062865][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 178.070748][ C1] Call Trace: [ 178.074034][ C1] __schedule+0x9a0/0xcc0 [ 178.078361][ C1] schedule+0x181/0x210 [ 178.082509][ C1] schedule_timeout+0x14f/0x240 [ 178.087347][ C1] ? run_local_timers+0x120/0x120 [ 178.092359][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.097121][ C1] kthread+0x332/0x350 [ 178.101180][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.106362][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.110936][ C1] ret_from_fork+0x24/0x30 [ 178.115348][ C1] NMI backtrace for cpu 1 [ 178.119667][ C1] CPU: 1 PID: 8532 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.128316][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.138356][ C1] Call Trace: [ 178.141626][ C1] [ 178.144464][ C1] dump_stack+0x1fb/0x318 [ 178.148782][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.153618][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.159774][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.165841][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.171830][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.177708][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.182825][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.188017][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.193118][ C1] update_process_times+0x12d/0x180 [ 178.198309][ C1] tick_sched_timer+0x263/0x420 [ 178.203147][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.208769][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.213968][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.218926][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.224202][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.229735][ C1] apic_timer_interrupt+0xf/0x20 [ 178.234655][ C1] [ 178.237581][ C1] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 178.243464][ C1] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 178.263055][ C1] RSP: 0018:ffffc90002597d28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.271452][ C1] RAX: ffffffff81489244 RBX: ffffea000232c6c0 RCX: ffff88808e6b6580 [ 178.279419][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000232c6c0 [ 178.287378][ C1] RBP: ffffc90002597d30 R08: dffffc0000000000 R09: fffffbfff124248a [ 178.295349][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a2007c20 [ 178.303313][ C1] R13: dffffc0000000000 R14: 1ffff11014400f84 R15: ffff8880a2331838 [ 178.311369][ C1] ? free_thread_stack+0x124/0x590 [ 178.316473][ C1] free_thread_stack+0x12e/0x590 [ 178.321399][ C1] put_task_stack+0xa3/0x130 [ 178.325979][ C1] finish_task_switch+0x3f1/0x550 [ 178.330997][ C1] __schedule+0x9a8/0xcc0 [ 178.335325][ C1] schedule+0x181/0x210 [ 178.339470][ C1] prepare_exit_to_usermode+0x2d4/0x5b0 [ 178.345036][ C1] ret_from_intr+0x26/0x36 [ 178.349440][ C1] RIP: 0033:0x45a537 [ 178.353334][ C1] Code: 44 00 00 b8 21 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad c0 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 50 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d c0 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 178.373531][ C1] RSP: 002b:00007ffea09dc7a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.381924][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045a537 [ 178.389882][ C1] RDX: 0000000000000001 RSI: 000000000071be90 RDI: 00007ffea09dc7f0 [ 178.397839][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000001da1940 [ 178.405795][ C1] R10: 0000000001da1c10 R11: 0000000000000246 R12: 0000000000000001 [ 178.413752][ C1] R13: 00007ffea09dc7e0 R14: 0000000000000000 R15: 00007ffea09dc7f0