[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.049396][ T26] audit: type=1800 audit(1578465131.972:25): pid=8384 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.068542][ T26] audit: type=1800 audit(1578465131.972:26): pid=8384 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.128386][ T26] audit: type=1800 audit(1578465131.972:27): pid=8384 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 '10.128.10.24' (ECDSA) to the list of known hosts. 2020/01/08 06:32:20 fuzzer started 2020/01/08 06:32:22 dialing manager at 10.128.0.26:35703 2020/01/08 06:32:22 syscalls: 2824 2020/01/08 06:32:22 code coverage: enabled 2020/01/08 06:32:22 comparison tracing: enabled 2020/01/08 06:32:22 extra coverage: enabled 2020/01/08 06:32:22 setuid sandbox: enabled 2020/01/08 06:32:22 namespace sandbox: enabled 2020/01/08 06:32:22 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:32:22 fault injection: enabled 2020/01/08 06:32:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:32:22 net packet injection: enabled 2020/01/08 06:32:22 net device setup: enabled 2020/01/08 06:32:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:32:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:32:23 executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000300)='./cgroup/syz0\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0) r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup/syz0\x00', 0x200002, 0x0) r3 = openat$cgroup_int(r2, &(0x7f00000000c0)='cgroup.clone_children\x00', 0x2, 0x0) sendfile(r3, r1, &(0x7f0000000080)=0x1ffffff, 0x100000010a000201) 06:32:23 executing program 1: r0 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r0, 0x10d, 0xa2, &(0x7f0000000140), &(0x7f00000000c0)=0x4) syzkaller login: [ 64.485580][ T8549] IPVS: ftp: loaded support on port[0] = 21 06:32:23 executing program 2: r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ttynull\x00', 0x0, 0x0) ioctl$TIOCSSOFTCAR(r0, 0x5437, 0x0) [ 64.543151][ T8551] IPVS: ftp: loaded support on port[0] = 21 [ 64.714893][ T8549] chnl_net:caif_netlink_parms(): no params data found 06:32:23 executing program 3: r0 = socket(0x20000000000000a, 0x2, 0x0) r1 = memfd_create(&(0x7f00000001c0), 0x0) write(r1, &(0x7f0000000140)="690c8843b4b9a87dd3f4b835c94db56b9165aa703a7a854c1b2d6b52b42ae69e6372fe81d4f0c594de51b10000d025e9eaae3e59844ddd2a32a696797a33c8e362", 0x41) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x11, r1, 0x0) getsockopt$sock_buf(r0, 0x1, 0x1f, 0xffffffffffffffff, &(0x7f0000000040)) [ 64.804456][ T8555] IPVS: ftp: loaded support on port[0] = 21 [ 64.833469][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 64.865008][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.875254][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.884747][ T8549] device bridge_slave_0 entered promiscuous mode [ 64.922974][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.933046][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.947824][ T8549] device bridge_slave_1 entered promiscuous mode [ 65.046360][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.053452][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.071041][ T8551] device bridge_slave_0 entered promiscuous mode 06:32:24 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000440)=@newlink={0x44, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @gretap={{0xc, 0x1, 'gretap\x00'}, {0x14, 0x2, [@gre_common_policy=[@IFLA_GRE_ENCAP_TYPE={0x8}], @gre_common_policy=[@IFLA_GRE_ENCAP_FLAGS={0x8}]]}}}]}, 0x44}}, 0x0) [ 65.089457][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.107260][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.114517][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.122826][ T8551] device bridge_slave_1 entered promiscuous mode [ 65.137593][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.150772][ T8557] IPVS: ftp: loaded support on port[0] = 21 [ 65.232915][ T8549] team0: Port device team_slave_0 added [ 65.248807][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.272521][ T8549] team0: Port device team_slave_1 added [ 65.286381][ T8555] chnl_net:caif_netlink_parms(): no params data found [ 65.296569][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:32:24 executing program 5: mmap(&(0x7f0000600000/0x4000)=nil, 0x4000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) mremap(&(0x7f00005ff000/0x4000)=nil, 0x4000, 0x3000, 0x0, &(0x7f0000600000/0x3000)=nil) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000080)) ioctl$UFFDIO_REGISTER(r0, 0x8010aa01, &(0x7f0000000000)={{&(0x7f0000600000/0x1000)=nil, 0x1000}}) [ 65.411687][ T8549] device hsr_slave_0 entered promiscuous mode [ 65.466572][ T8549] device hsr_slave_1 entered promiscuous mode [ 65.545737][ T8551] team0: Port device team_slave_0 added [ 65.556571][ T8551] team0: Port device team_slave_1 added [ 65.578471][ T8562] IPVS: ftp: loaded support on port[0] = 21 [ 65.602708][ T8560] IPVS: ftp: loaded support on port[0] = 21 [ 65.638220][ T8551] device hsr_slave_0 entered promiscuous mode [ 65.676508][ T8551] device hsr_slave_1 entered promiscuous mode [ 65.716207][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.724056][ T8551] Cannot create hsr debugfs directory [ 65.781965][ T8555] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.792069][ T8555] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.800148][ T8555] device bridge_slave_0 entered promiscuous mode [ 65.809496][ T8555] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.817512][ T8555] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.825196][ T8555] device bridge_slave_1 entered promiscuous mode [ 65.893189][ T8555] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.908590][ T8555] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.988329][ T8555] team0: Port device team_slave_0 added [ 66.020894][ T8549] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.099461][ T8555] team0: Port device team_slave_1 added [ 66.105210][ T8549] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.190797][ T8549] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.241610][ T8549] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.298120][ T8557] chnl_net:caif_netlink_parms(): no params data found [ 66.344596][ T8562] chnl_net:caif_netlink_parms(): no params data found [ 66.361968][ T8551] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.423040][ T8551] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.471337][ T8551] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.531990][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 66.598694][ T8555] device hsr_slave_0 entered promiscuous mode [ 66.636411][ T8555] device hsr_slave_1 entered promiscuous mode [ 66.676135][ T8555] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.683723][ T8555] Cannot create hsr debugfs directory [ 66.689365][ T8551] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.802751][ T8562] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.810173][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.819272][ T8562] device bridge_slave_0 entered promiscuous mode [ 66.830479][ T8562] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.837993][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.845581][ T8562] device bridge_slave_1 entered promiscuous mode [ 66.857135][ T8557] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.864189][ T8557] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.872750][ T8557] device bridge_slave_0 entered promiscuous mode [ 66.880038][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.887525][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.895080][ T8560] device bridge_slave_0 entered promiscuous mode [ 66.916959][ T8557] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.924559][ T8557] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.933012][ T8557] device bridge_slave_1 entered promiscuous mode [ 66.944331][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.951914][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.959593][ T8560] device bridge_slave_1 entered promiscuous mode [ 66.983882][ T8562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.005459][ T8557] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.030570][ T8562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.041194][ T8557] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.069165][ T8557] team0: Port device team_slave_0 added [ 67.078321][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.090912][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.113563][ T8557] team0: Port device team_slave_1 added [ 67.143220][ T8562] team0: Port device team_slave_0 added [ 67.152376][ T8562] team0: Port device team_slave_1 added [ 67.209330][ T8557] device hsr_slave_0 entered promiscuous mode [ 67.246462][ T8557] device hsr_slave_1 entered promiscuous mode [ 67.286214][ T8557] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.293852][ T8557] Cannot create hsr debugfs directory [ 67.327636][ T8560] team0: Port device team_slave_0 added [ 67.336177][ T8560] team0: Port device team_slave_1 added [ 67.408956][ T8562] device hsr_slave_0 entered promiscuous mode [ 67.446484][ T8562] device hsr_slave_1 entered promiscuous mode [ 67.486192][ T8562] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.494341][ T8562] Cannot create hsr debugfs directory [ 67.533622][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.588557][ T8560] device hsr_slave_0 entered promiscuous mode [ 67.626406][ T8560] device hsr_slave_1 entered promiscuous mode [ 67.676057][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.683658][ T8560] Cannot create hsr debugfs directory [ 67.689573][ T8555] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.732785][ T8555] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.778268][ T8555] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.857895][ T8555] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.900507][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.932698][ T8551] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.955708][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.964221][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.975494][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.983450][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.024378][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.035797][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.045756][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.054580][ T3149] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.061774][ T3149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.069830][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.078701][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.087160][ T3149] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.094733][ T3149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.102433][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.110953][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.119627][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.128137][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.164471][ T8557] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.222339][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.230683][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.239095][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.250911][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.260071][ T3160] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.267172][ T3160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.275032][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.283715][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.292027][ T3160] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.299159][ T3160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.306839][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.315346][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.325068][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.338366][ T8557] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.398682][ T8557] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.478520][ T8562] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.501740][ T8562] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.537956][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.547018][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.555539][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.564135][ T2989] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.572712][ T8557] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.633650][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.645331][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.663131][ T8560] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.698406][ T8562] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.740248][ T8562] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.794839][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.803733][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.812225][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.821644][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.831214][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.841116][ T8551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.849856][ T8560] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.916283][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.924722][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.938207][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.947786][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.965152][ T8555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.975379][ T8560] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.000024][ T8560] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.058348][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.089087][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.097572][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.112979][ T8555] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.140786][ T8551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.148495][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.161217][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.169457][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.178695][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.187313][ T3160] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.194461][ T3160] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.235817][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.253555][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.265333][ T8562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.287157][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.294597][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.305840][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.314581][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.323675][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.332331][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.340710][ T3160] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.347804][ T3160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.399881][ T8562] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.408617][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.418776][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.427611][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.437624][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.445893][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.454725][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.463594][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.471954][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.480266][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.488412][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.497528][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.505288][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.513255][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.521403][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.530303][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.549364][ T8551] device veth0_vlan entered promiscuous mode [ 69.568751][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.581361][ T8557] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.589898][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.598901][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.607906][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.616525][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.624816][ T3149] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.631920][ T3149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.640187][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.648620][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.657405][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.671159][ T8555] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.688842][ T8551] device veth1_vlan entered promiscuous mode [ 69.700474][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.708980][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.718310][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.726926][ T2991] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.734067][ T2991] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.741850][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.750471][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.773536][ T8549] device veth0_vlan entered promiscuous mode [ 69.790647][ T8557] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.799786][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.808837][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.819283][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.828501][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.837142][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.845144][ T2991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.861165][ T8549] device veth1_vlan entered promiscuous mode [ 69.880209][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.888755][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.897004][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.904646][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.913841][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.922346][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.931024][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.939979][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.948654][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.956141][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.963674][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.971685][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.979549][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.988205][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.996875][ T2993] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.003904][ T2993] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.013888][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.038201][ T8555] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.046969][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.055886][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.064906][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.074564][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.087597][ T8560] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.095319][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.132521][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.141572][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.150346][ T3149] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.157636][ T3149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.167072][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.175485][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.184353][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.192913][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.201402][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.210217][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.219028][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.227411][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.235830][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.258280][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.265856][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.273890][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.282436][ T3149] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.297586][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.307391][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.331968][ T8557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.342252][ T8562] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.352587][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.361879][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.370423][ T2993] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.377518][ T2993] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.387948][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.396643][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.404976][ T2993] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.412048][ T2993] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.420349][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.429233][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.437935][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.446842][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.455254][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.465000][ T2993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 175.365962][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.372729][ C0] rcu: 0-....: (10499 ticks this GP) idle=4ba/1/0x4000000000000002 softirq=14350/14350 fqs=2690 [ 175.383467][ C0] (t=10500 jiffies g=6961 q=244) [ 175.388493][ C0] rcu: rcu_preempt kthread starved for 5114 jiffies! g6961 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.399500][ C0] rcu: RCU grace-period kthread stack dump: [ 175.405374][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 175.413367][ C0] Call Trace: [ 175.416650][ C0] __schedule+0x9a0/0xcc0 [ 175.420978][ C0] schedule+0x181/0x210 [ 175.425122][ C0] schedule_timeout+0x14f/0x240 [ 175.429962][ C0] ? run_local_timers+0x120/0x120 [ 175.435008][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.439786][ C0] kthread+0x332/0x350 [ 175.444113][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.449213][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.453795][ C0] ret_from_fork+0x24/0x30 [ 175.458212][ C0] NMI backtrace for cpu 0 [ 175.462535][ C0] CPU: 0 PID: 8567 Comm: kworker/u4:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.470942][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.480994][ C0] Call Trace: [ 175.484273][ C0] [ 175.487143][ C0] dump_stack+0x1fb/0x318 [ 175.491481][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.496325][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.502486][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.508560][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.514540][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.520425][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.525554][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.530756][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.535782][ C0] update_process_times+0x12d/0x180 [ 175.540975][ C0] tick_sched_timer+0x263/0x420 [ 175.545822][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.551357][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.556558][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.561516][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.566805][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.572337][ C0] apic_timer_interrupt+0xf/0x20 [ 175.577259][ C0] [ 175.580188][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 175.585894][ 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 [ 175.605487][ C0] RSP: 0018:ffffc90002017e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.613885][ C0] RAX: 1ffff110116424d1 RBX: ffff88808b212688 RCX: 0000000000000000 [ 175.621847][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025205c0 [ 175.630679][ C0] RBP: ffffc90002017e78 R08: 000000000003a728 R09: ffffed1012b262e1 [ 175.638648][ C0] R10: ffffed1012b262e1 R11: 0000000000000000 R12: ffff88808b212720 [ 175.646607][ C0] R13: dffffc0000000000 R14: 1ffff110116424e4 R15: ffff8880959316f8 [ 175.654762][ C0] put_task_stack+0xa3/0x130 [ 175.659343][ C0] finish_task_switch+0x3f1/0x550 [ 175.664447][ C0] ? proc_cap_handler+0x450/0x450 [ 175.669458][ C0] schedule_tail+0x20/0x1a0 [ 175.673948][ C0] ? proc_cap_handler+0x450/0x450 [ 175.678960][ C0] ret_from_fork+0x8/0x30