[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.998606][ T27] audit: type=1800 audit(1578478601.854:25): pid=8327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.026084][ T27] audit: type=1800 audit(1578478601.854:26): pid=8327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.075422][ T27] audit: type=1800 audit(1578478601.854:27): pid=8327 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 '10.128.1.51' (ECDSA) to the list of known hosts. 2020/01/08 10:16:52 fuzzer started 2020/01/08 10:16:54 dialing manager at 10.128.0.26:35703 2020/01/08 10:16:54 syscalls: 2824 2020/01/08 10:16:54 code coverage: enabled 2020/01/08 10:16:54 comparison tracing: enabled 2020/01/08 10:16:54 extra coverage: enabled 2020/01/08 10:16:54 setuid sandbox: enabled 2020/01/08 10:16:54 namespace sandbox: enabled 2020/01/08 10:16:54 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:16:54 fault injection: enabled 2020/01/08 10:16:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:16:54 net packet injection: enabled 2020/01/08 10:16:54 net device setup: enabled 2020/01/08 10:16:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:16:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:16:55 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = open(&(0x7f0000000400)='./bus\x00', 0x14103e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x11, 0xffffffffffffffff, 0x0) write$P9_RXATTRCREATE(0xffffffffffffffff, 0x0, 0x0) read(r2, 0x0, 0x0) fcntl$dupfd(r2, 0x406, 0xffffffffffffffff) r3 = fcntl$dupfd(r1, 0x0, r0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r4, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 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) openat$zero(0xffffffffffffff9c, 0x0, 0x0, 0x0) clone(0x2102201ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioprio_set$uid(0x3, 0x0, 0x0) getrandom(&(0x7f0000001600)=""/24, 0x18, 0x2) prctl$PR_GET_SPECULATION_CTRL(0x34, 0x0, 0x10) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, &(0x7f0000000000)=0x100005) socket$alg(0x26, 0x5, 0x0) r5 = syz_open_procfs(0x0, &(0x7f00000001c0)='pagemap\x00') sendfile(0xffffffffffffffff, r5, 0x0, 0x50000000000443) 10:16:55 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndtimer(&(0x7f0000000200)='/dev/snd/timer\x00', 0x0, 0x0) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40485404, &(0x7f0000000040)={{0x3, 0x0, 0x1, 0x1, 0x700}}) syzkaller login: [ 62.688353][ T8494] IPVS: ftp: loaded support on port[0] = 21 10:16:55 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r1, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r2 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x7b, &(0x7f00000000c0)={r3}, 0x8) [ 62.859236][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 62.868567][ T8494] chnl_net:caif_netlink_parms(): no params data found [ 62.953939][ T8494] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.962329][ T8494] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.971500][ T8494] device bridge_slave_0 entered promiscuous mode [ 62.992346][ T8494] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.000477][ T8494] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.008559][ T8494] device bridge_slave_1 entered promiscuous mode [ 63.045248][ T8494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.089178][ T8494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.122979][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 63.142120][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 63.159680][ T8494] team0: Port device team_slave_0 added 10:16:56 executing program 3: futex(&(0x7f000000cffc), 0x5, 0x0, 0x0, &(0x7f0000000000), 0x81000000) [ 63.184504][ T8494] team0: Port device team_slave_1 added [ 63.309579][ T8494] device hsr_slave_0 entered promiscuous mode 10:16:56 executing program 4: r0 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r0, 0x10d, 0x2, &(0x7f000079bffc), &(0x7f0000350ffc)=0x4) r1 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r1, 0x10d, 0x2, &(0x7f000079bffc), &(0x7f0000350ffc)=0x4) [ 63.357022][ T8494] device hsr_slave_1 entered promiscuous mode [ 63.427209][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.435156][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.444410][ T8496] device bridge_slave_0 entered promiscuous mode [ 63.476571][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 63.497323][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.504402][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.512811][ T8496] device bridge_slave_1 entered promiscuous mode [ 63.590676][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.619674][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.631900][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 63.704694][ T8496] team0: Port device team_slave_0 added [ 63.730844][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 63.749349][ T8496] team0: Port device team_slave_1 added [ 63.766198][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.773302][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.798088][ T8500] device bridge_slave_0 entered promiscuous mode 10:16:56 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000001700)=@newlink={0x44, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_slave\x00'}, {0xc, 0x5, [@IFLA_BRPORT_COST={0x8, 0x22}]}}}]}, 0x44}}, 0x0) [ 63.813726][ T8494] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.878650][ T8494] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.913417][ T8494] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.963799][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.970988][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.978942][ T8500] device bridge_slave_1 entered promiscuous mode [ 64.000509][ T8494] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.077138][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.093001][ T8508] IPVS: ftp: loaded support on port[0] = 21 [ 64.168547][ T8496] device hsr_slave_0 entered promiscuous mode [ 64.216268][ T8496] device hsr_slave_1 entered promiscuous mode [ 64.256033][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.263734][ T8496] Cannot create hsr debugfs directory [ 64.279359][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.336989][ T8500] team0: Port device team_slave_0 added [ 64.366217][ T8500] team0: Port device team_slave_1 added [ 64.373073][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 64.458674][ T8500] device hsr_slave_0 entered promiscuous mode [ 64.496229][ T8500] device hsr_slave_1 entered promiscuous mode [ 64.555985][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.563565][ T8500] Cannot create hsr debugfs directory [ 64.604709][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.612785][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.620848][ T8502] device bridge_slave_0 entered promiscuous mode [ 64.629644][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.636816][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.644536][ T8502] device bridge_slave_1 entered promiscuous mode [ 64.709043][ T8496] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.759831][ T8496] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.830609][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.850000][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.859645][ T8496] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.927604][ T8496] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.003124][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 65.040356][ T8502] team0: Port device team_slave_0 added [ 65.059380][ T8502] team0: Port device team_slave_1 added [ 65.070124][ T8508] chnl_net:caif_netlink_parms(): no params data found [ 65.099485][ T8494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.141831][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.150067][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.158273][ T8505] device bridge_slave_0 entered promiscuous mode [ 65.217539][ T8502] device hsr_slave_0 entered promiscuous mode [ 65.276184][ T8502] device hsr_slave_1 entered promiscuous mode [ 65.326017][ T8502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.333651][ T8502] Cannot create hsr debugfs directory [ 65.342469][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.350492][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.358360][ T8505] device bridge_slave_1 entered promiscuous mode [ 65.369170][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.378960][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.400852][ T8494] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.425051][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.447090][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.472502][ T8500] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.537995][ T8500] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.624145][ T8500] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.681591][ T8500] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.759659][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.768523][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.777499][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.784735][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.792880][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.801616][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.810085][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.817181][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.825062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.846360][ T8508] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.853459][ T8508] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.863309][ T8508] device bridge_slave_0 entered promiscuous mode [ 65.872590][ T8505] team0: Port device team_slave_0 added [ 65.880879][ T8505] team0: Port device team_slave_1 added [ 65.889159][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.898802][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.918709][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.930464][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.948170][ T8508] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.955227][ T8508] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.963162][ T8508] device bridge_slave_1 entered promiscuous mode [ 65.995433][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.008451][ T8508] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.024017][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.078760][ T8505] device hsr_slave_0 entered promiscuous mode [ 66.106325][ T8505] device hsr_slave_1 entered promiscuous mode [ 66.145997][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.153696][ T8505] Cannot create hsr debugfs directory [ 66.159600][ T8502] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.209713][ T8502] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.269385][ T8508] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.293476][ T8508] team0: Port device team_slave_0 added [ 66.302881][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.311934][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.320836][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.329211][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.347997][ T8502] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.411797][ T8502] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.468237][ T8508] team0: Port device team_slave_1 added [ 66.479946][ T8494] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.491380][ T8494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.567618][ T8508] device hsr_slave_0 entered promiscuous mode [ 66.607115][ T8508] device hsr_slave_1 entered promiscuous mode [ 66.645962][ T8508] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.653649][ T8508] Cannot create hsr debugfs directory [ 66.667847][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.676480][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.685214][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.693006][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.734486][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.753383][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.770141][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.777736][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.806532][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.815084][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.823939][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.831150][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.840985][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.875401][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.884700][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.892491][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.901035][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.909689][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.917416][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.928969][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.940665][ T8494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.948282][ T8505] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.998073][ T8505] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.093065][ T8505] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 67.127752][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.138534][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.147408][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.156534][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.164814][ T2672] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.172271][ T2672] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.179937][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.188636][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.197086][ T2672] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.204473][ T2672] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.214188][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.223398][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.246832][ T8508] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 67.290981][ T8505] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.333974][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.343465][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.352173][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.362060][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.370878][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.379464][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.388102][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.398551][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.406773][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.414439][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.423208][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.446664][ T8508] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 67.486732][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.495256][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.504453][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.514063][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.522865][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.531389][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.540929][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.559805][ T8508] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 67.597169][ T8508] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 67.637673][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.647539][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.655995][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.668350][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.677724][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.686056][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.697333][ T8494] device veth0_vlan entered promiscuous mode [ 67.710320][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.724477][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.732970][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.742604][ T8496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.765270][ T8494] device veth1_vlan entered promiscuous mode [ 67.798503][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.837926][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.853666][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.862240][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.870756][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.878665][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.886747][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.894233][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.903085][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.911658][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.918918][ T8513] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.927220][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.935958][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.944365][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.951636][ T8513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.959712][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.988030][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.000264][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.016394][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.023893][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.033628][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.066326][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.075077][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.087047][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.097454][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.165561][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.190431][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.206912][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.215712][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.233172][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.242534][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.259469][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.281348][ T8500] device veth0_vlan entered promiscuous mode [ 68.333122][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.347441][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.378476][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.401062][ T8513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.428187][ T8508] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.470598][ T8500] device veth1_vlan entered promiscuous mode [ 68.496615][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.512906][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.531566][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.543290][ T2672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 173.065803][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 173.073017][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8516 [ 173.080477][ C0] (detected by 0, t=10503 jiffies, g=7181, q=720) [ 173.086982][ C0] syz-executor.0 R running task 27896 8516 8494 0x0000400a [ 173.094903][ C0] Call Trace: [ 173.098182][ C0] [ 173.101030][ C0] sched_show_task+0x40f/0x560 [ 173.105790][ C0] rcu_sched_clock_irq+0x16b1/0x1ad0 [ 173.111095][ C0] update_process_times+0x12d/0x180 [ 173.116286][ C0] tick_sched_timer+0x263/0x420 [ 173.121128][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.126666][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.131867][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.136829][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.142125][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.147660][ C0] apic_timer_interrupt+0xf/0x20 [ 173.152579][ C0] [ 173.155505][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 173.161222][ C0] Code: 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 173.180832][ C0] RSP: 0018:ffffc900027e7a78 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.189250][ C0] RAX: 1ffff11011ae7871 RBX: ffff88808d73c388 RCX: 0000000000000000 [ 173.197335][ C0] RDX: ffffc90001e79000 RSI: 0000000000000000 RDI: ffffea00028ac740 [ 173.205301][ C0] RBP: ffffc900027e7ab0 R08: 000000000003a728 R09: ffffed10148e4ed1 [ 173.213268][ C0] R10: ffffed10148e4ed1 R11: 0000000000000000 R12: ffff888090f5c120 [ 173.221231][ C0] R13: dffffc0000000000 R14: 1ffff110121eb824 R15: ffff8880a4727678 [ 173.229223][ C0] ? free_thread_stack+0x12e/0x590 [ 173.234327][ C0] put_task_stack+0xa3/0x130 [ 173.239052][ C0] finish_task_switch+0x3f1/0x550 [ 173.244089][ C0] __schedule+0x9a8/0xcc0 [ 173.248427][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 173.254243][ C0] preempt_schedule_notrace+0xdb/0x120 [ 173.259703][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 173.265455][ C0] ? rcu_is_watching+0x57/0xa0 [ 173.270217][ C0] rcu_is_watching+0x82/0xa0 [ 173.274822][ C0] memcg_kmem_get_cache+0x2e8/0x570 [ 173.280028][ C0] ? __should_failslab+0x11a/0x160 [ 173.285158][ C0] kmem_cache_alloc_trace+0x8c/0x2f0 [ 173.290438][ C0] ? kvm_dev_ioctl+0x807/0x2110 [ 173.295304][ C0] kvm_dev_ioctl+0x807/0x2110 [ 173.299998][ C0] ? kvm_reboot+0x40/0x40 [ 173.304355][ C0] do_vfs_ioctl+0x70b/0x1a30 [ 173.308952][ C0] ? __fget+0x431/0x510 [ 173.313113][ C0] ? tomoyo_file_ioctl+0x23/0x30 [ 173.318047][ C0] ? security_file_ioctl+0xa1/0xd0 [ 173.323399][ C0] __x64_sys_ioctl+0xe3/0x120 [ 173.328078][ C0] do_syscall_64+0xf7/0x1c0 [ 173.332595][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.338479][ C0] RIP: 0033:0x45af49 [ 173.342379][ C0] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 173.361986][ C0] RSP: 002b:00007fb086fd2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 173.370402][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 173.378376][ C0] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003 [ 173.386354][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 173.394448][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb086fd36d4 [ 173.402428][ C0] R13: 00000000004c44de R14: 00000000004dadb0 R15: 00000000ffffffff [ 173.410421][ C0] rcu: rcu_preempt kthread starved for 10487 jiffies! g7181 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.421523][ C0] rcu: RCU grace-period kthread stack dump: [ 173.427418][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 173.435325][ C0] Call Trace: [ 173.438620][ C0] __schedule+0x9a0/0xcc0 [ 173.443075][ C0] schedule+0x181/0x210 [ 173.447238][ C0] schedule_timeout+0x14f/0x240 [ 173.452107][ C0] ? run_local_timers+0x120/0x120 [ 173.457143][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.461917][ C0] kthread+0x332/0x350 [ 173.466013][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.471133][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.475720][ C0] ret_from_fork+0x24/0x30