[ 41.892413][ T23] audit: type=1800 audit(1575389024.495:26): pid=7980 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.931140][ T23] audit: type=1800 audit(1575389024.495:27): pid=7980 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.980337][ T23] audit: type=1800 audit(1575389024.495:28): pid=7980 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 42.761886][ T23] audit: type=1800 audit(1575389025.395:29): pid=7980 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. 2019/12/03 16:03:56 fuzzer started 2019/12/03 16:03:58 dialing manager at 10.128.0.26:45711 2019/12/03 16:03:58 syscalls: 2689 2019/12/03 16:03:58 code coverage: enabled 2019/12/03 16:03:58 comparison tracing: enabled 2019/12/03 16:03:58 extra coverage: extra coverage is not supported by the kernel 2019/12/03 16:03:58 setuid sandbox: enabled 2019/12/03 16:03:58 namespace sandbox: enabled 2019/12/03 16:03:58 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 16:03:58 fault injection: enabled 2019/12/03 16:03:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 16:03:58 net packet injection: enabled 2019/12/03 16:03:58 net device setup: enabled 2019/12/03 16:03:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 16:03:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 16:03:59 executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='memory.events\x00', 0x7a05, 0x1700) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000080)=0x98f7) write$cgroup_pid(r0, &(0x7f0000000000), 0xfffffea6) 16:03:59 executing program 1: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) getsockopt$bt_BT_SECURITY(r0, 0x112, 0x4, 0x0, 0x0) syzkaller login: [ 56.888516][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 57.019916][ T8146] IPVS: ftp: loaded support on port[0] = 21 [ 57.088736][ T8144] chnl_net:caif_netlink_parms(): no params data found 16:03:59 executing program 2: unshare(0x400) mq_getsetattr(0xffffffffffffffff, 0x0, 0x0) [ 57.212853][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.219942][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.231621][ T8144] device bridge_slave_0 entered promiscuous mode [ 57.248274][ T8146] chnl_net:caif_netlink_parms(): no params data found [ 57.274664][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.282022][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.301930][ T8144] device bridge_slave_1 entered promiscuous mode [ 57.328394][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.356186][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.378824][ T8146] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.387307][ T8146] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.395542][ T8146] device bridge_slave_0 entered promiscuous mode [ 57.397617][ T8150] IPVS: ftp: loaded support on port[0] = 21 [ 57.417083][ T8144] team0: Port device team_slave_0 added [ 57.423931][ T8146] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.431065][ T8146] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.441078][ T8146] device bridge_slave_1 entered promiscuous mode [ 57.450965][ T8144] team0: Port device team_slave_1 added 16:04:00 executing program 3: ioctl$RTC_VL_READ(0xffffffffffffffff, 0x80047013, 0x0) r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) getgid() syz_open_pts(r0, 0x123000) ioctl$KDGKBENT(0xffffffffffffffff, 0x4b46, 0x0) fstat(0xffffffffffffffff, &(0x7f00000000c0)) execveat(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f00000003c0)) socket$inet6_tcp(0xa, 0x1, 0x0) setresgid(0x0, 0x0, 0x0) close(r1) r2 = socket$netlink(0x10, 0x3, 0xa) connect$netlink(r2, 0x0, 0x0) r3 = open(&(0x7f00000000c0)='./bus\x00', 0x2, 0x0) r4 = creat(&(0x7f0000000140)='./bus\x00', 0x0) ftruncate(r4, 0x208200) sendfile(r1, r3, 0x0, 0x8000fffffffe) [ 57.486176][ T8146] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.515329][ T8146] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 16:04:00 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0x81a0ae8c, 0x0) [ 57.673229][ T8144] device hsr_slave_0 entered promiscuous mode [ 57.711863][ T8144] device hsr_slave_1 entered promiscuous mode [ 57.809680][ T8152] IPVS: ftp: loaded support on port[0] = 21 [ 57.827001][ T8146] team0: Port device team_slave_0 added [ 57.850930][ T8146] team0: Port device team_slave_1 added [ 57.871881][ T8144] netdevsim netdevsim0 netdevsim0: renamed from eth0 16:04:00 executing program 5: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x5eb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_udp_encap(r0, 0x11, 0x64, &(0x7f0000000040)=0x3, 0x4) [ 57.923944][ T8144] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.018374][ T8144] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.113250][ T8146] device hsr_slave_0 entered promiscuous mode [ 58.162015][ T8146] device hsr_slave_1 entered promiscuous mode [ 58.211647][ T8146] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.222871][ T8144] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.225330][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 58.305067][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 58.330463][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 58.387509][ T8146] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.458375][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.465712][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.473400][ T8150] device bridge_slave_0 entered promiscuous mode [ 58.496840][ T8146] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.553695][ T8146] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.595139][ T8146] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.653394][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.661257][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.669055][ T8150] device bridge_slave_1 entered promiscuous mode [ 58.688440][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.704804][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.740994][ T8150] team0: Port device team_slave_0 added [ 58.756615][ T8150] team0: Port device team_slave_1 added [ 58.822729][ T8152] chnl_net:caif_netlink_parms(): no params data found [ 58.913594][ T8150] device hsr_slave_0 entered promiscuous mode [ 58.972028][ T8150] device hsr_slave_1 entered promiscuous mode [ 59.011652][ T8150] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.041265][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.048476][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.056255][ T8152] device bridge_slave_0 entered promiscuous mode [ 59.076980][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 59.093648][ T8152] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.100710][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.110777][ T8152] device bridge_slave_1 entered promiscuous mode [ 59.150169][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 59.166266][ T8152] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.189456][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.203912][ T8152] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.216427][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.224268][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.232464][ T8157] device bridge_slave_0 entered promiscuous mode [ 59.240074][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.247563][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.255312][ T8157] device bridge_slave_1 entered promiscuous mode [ 59.287019][ T8152] team0: Port device team_slave_0 added [ 59.309058][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.319131][ T8150] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.376497][ T8152] team0: Port device team_slave_1 added [ 59.386331][ T8146] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.400950][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.418139][ T8150] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.463541][ T8150] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.523560][ T8150] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.564611][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.572385][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.580370][ T8154] device bridge_slave_0 entered promiscuous mode [ 59.606466][ T8144] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.616070][ T8157] team0: Port device team_slave_0 added [ 59.625120][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.633822][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.641387][ T8154] device bridge_slave_1 entered promiscuous mode [ 59.654131][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.662963][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.670772][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.678493][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.704079][ T8157] team0: Port device team_slave_1 added [ 59.712600][ T8146] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.755038][ T8152] device hsr_slave_0 entered promiscuous mode [ 59.801943][ T8152] device hsr_slave_1 entered promiscuous mode [ 59.851638][ T8152] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.866403][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.875049][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.883581][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.890743][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.899350][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.908796][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.917374][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.924429][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.932659][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.941449][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.956459][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.971800][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.980584][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.989669][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.996921][ T8158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.004840][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.013485][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.021805][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.028858][ T8158] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.038232][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.049362][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.072408][ T8154] team0: Port device team_slave_0 added [ 60.079414][ T8154] team0: Port device team_slave_1 added [ 60.094242][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.144294][ T8154] device hsr_slave_0 entered promiscuous mode [ 60.182267][ T8154] device hsr_slave_1 entered promiscuous mode [ 60.222410][ T8154] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.264241][ T8157] device hsr_slave_0 entered promiscuous mode [ 60.301979][ T8157] device hsr_slave_1 entered promiscuous mode [ 60.341696][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.356994][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.367412][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.376210][ T8162] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.434311][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.443907][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.453614][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.462327][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.470849][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.479230][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.487950][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.499191][ T8158] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.511262][ T8154] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.564930][ T8154] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.620818][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.633145][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.633586][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.650927][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.659899][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.668474][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.676438][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.684112][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.693293][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.705166][ T8146] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.717771][ T8146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.725751][ T8154] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.803799][ T8154] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.865629][ T8144] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.878748][ T8144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.889422][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.897903][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.906759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.915154][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.936220][ T8152] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.983556][ T8157] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.034397][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.043077][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.051526][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.058570][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.067237][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.075807][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.084628][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.091741][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.099275][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.112401][ T8152] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.174633][ T8152] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.234266][ T8152] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.293477][ T8157] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.331021][ T8146] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.343274][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.354736][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.364013][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.371407][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.387269][ T8157] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.439638][ T8157] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.508040][ T8150] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.518484][ T8150] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.545338][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.556887][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.565759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.575269][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.583123][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.591839][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.600158][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.608860][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.617443][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.625912][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.636040][ T8144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.660310][ T3765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.683718][ T3765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.726110][ T8150] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.711462][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.718236][ C1] rcu: 1-...!: (10499 ticks this GP) idle=74a/1/0x4000000000000002 softirq=10055/10055 fqs=1 [ 166.728749][ C1] (t=10501 jiffies g=6401 q=173) [ 166.733766][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6401 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.744844][ C1] rcu: RCU grace-period kthread stack dump: [ 166.750727][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.758614][ C1] Call Trace: [ 166.761899][ C1] __schedule+0x9a0/0xcc0 [ 166.766221][ C1] schedule+0x181/0x210 [ 166.770362][ C1] schedule_timeout+0x14f/0x240 [ 166.775199][ C1] ? run_local_timers+0x120/0x120 [ 166.780212][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.784973][ C1] kthread+0x332/0x350 [ 166.789031][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.794126][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.798705][ C1] ret_from_fork+0x24/0x30 [ 166.803125][ C1] NMI backtrace for cpu 1 [ 166.807441][ C1] CPU: 1 PID: 8146 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 166.815656][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.825700][ C1] Call Trace: [ 166.828966][ C1] [ 166.831808][ C1] dump_stack+0x1fb/0x318 [ 166.836126][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.840965][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.847110][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.853162][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.859129][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.865008][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.870107][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.875292][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.880306][ C1] update_process_times+0x12d/0x180 [ 166.885488][ C1] tick_sched_timer+0x263/0x420 [ 166.890329][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.895881][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.901082][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.906024][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.911299][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.916832][ C1] apic_timer_interrupt+0xf/0x20 [ 166.921750][ C1] [ 166.924676][ C1] RIP: 0010:free_thread_stack+0x14c/0x590 [ 166.930467][ C1] Code: 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 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 25 a4 69 00 48 8b 3b be fc ff ff [ 166.950198][ C1] RSP: 0018:ffffc90001e17bd0 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 166.958625][ C1] RAX: 1ffff1101274e1d1 RBX: ffff888093a70e88 RCX: 0000000000000000 [ 166.966677][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002334200 [ 166.974636][ C1] RBP: ffffc90001e17c08 R08: 000000000003a768 R09: ffffed1013d1634f [ 166.982594][ C1] R10: ffffed1013d1634f R11: 0000000000000000 R12: ffff888093a70f20 [ 166.990572][ C1] R13: dffffc0000000000 R14: 1ffff1101274e1e4 R15: ffff88809e8b1a68 [ 166.998558][ C1] put_task_stack+0xa3/0x130 [ 167.003135][ C1] finish_task_switch+0x3f1/0x550 [ 167.008150][ C1] __schedule+0x9a8/0xcc0 [ 167.012474][ C1] schedule+0x181/0x210 [ 167.016616][ C1] do_nanosleep+0x1d0/0x6c0 [ 167.021116][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 167.026044][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.031837][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 167.036942][ C1] do_syscall_64+0xf7/0x1c0 [ 167.041436][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.047313][ C1] RIP: 0033:0x458b20 [ 167.051282][ 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 11 fe 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 [ 167.071045][ C1] RSP: 002b:00007ffd393b0898 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 167.079450][ C1] RAX: ffffffffffffffda RBX: 000000000000f0ec RCX: 0000000000458b20 [ 167.087493][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd393b08a0 [ 167.095449][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000028ca940 [ 167.103404][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 167.111381][ C1] R13: 00007ffd393b08f0 R14: 000000000000f0ec R15: 00007ffd393b0900