[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.247077][ T26] audit: type=1800 audit(1575356427.808:25): pid=8044 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.276048][ T26] audit: type=1800 audit(1575356427.808:26): pid=8044 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.299945][ T26] audit: type=1800 audit(1575356427.808:27): pid=8044 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 '10.128.0.76' (ECDSA) to the list of known hosts. 2019/12/03 07:00:40 fuzzer started 2019/12/03 07:00:41 dialing manager at 10.128.0.26:38907 2019/12/03 07:00:42 syscalls: 2697 2019/12/03 07:00:42 code coverage: enabled 2019/12/03 07:00:42 comparison tracing: enabled 2019/12/03 07:00:42 extra coverage: extra coverage is not supported by the kernel 2019/12/03 07:00:42 setuid sandbox: enabled 2019/12/03 07:00:42 namespace sandbox: enabled 2019/12/03 07:00:42 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 07:00:42 fault injection: enabled 2019/12/03 07:00:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 07:00:42 net packet injection: enabled 2019/12/03 07:00:42 net device setup: enabled 2019/12/03 07:00:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 07:00:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:00:43 executing program 0: prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f00000001c0)="6653070000053c07bc3376003639405cb4aed12f0000000000ae47a825d86800278dcff47d010000805ae64f8f36460234432479aed75d492b41fd983f79e6519961", 0x42}], 0x4, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x3c) ptrace$cont(0x18, r0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x20, r0, 0x0, 0x0) 07:00:43 executing program 1: perf_event_open(&(0x7f0000000180)={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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$x25(0x9, 0x5, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000001640)='/dev/autofs\x00', 0x0, 0x0) dup3(r1, r0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) syzkaller login: [ 60.664920][ T8207] IPVS: ftp: loaded support on port[0] = 21 [ 60.866416][ T8207] chnl_net:caif_netlink_parms(): no params data found [ 60.876250][ T8210] IPVS: ftp: loaded support on port[0] = 21 07:00:43 executing program 2: r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000240)={0x18, 0x0, {0x100003, @local, 'ip6_vti0\x00'}}, 0x1e) r1 = socket$inet6(0xa, 0x800000000000002, 0x0) r2 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r2, &(0x7f0000000240)={0x18, 0x0, {0x100003, @local, 'ip6_vti0\x00'}}, 0x1e) r3 = socket$inet6(0xa, 0x800000000000002, 0x0) dup3(r3, r2, 0x0) socket$inet6(0xa, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r4, &(0x7f00000000c0)={0x18, 0x0, {0x1000000000000003, @local, 'veth0_to_hsr\x00'}}, 0x1e) socket$inet6(0xa, 0x0, 0x0) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup3(r1, r0, 0x0) [ 60.957228][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.964506][ T8207] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.990046][ T8207] device bridge_slave_0 entered promiscuous mode [ 61.058257][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.065339][ T8207] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.087459][ T8207] device bridge_slave_1 entered promiscuous mode [ 61.142679][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 61.168624][ T8207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 07:00:43 executing program 3: r0 = socket$kcm(0xa, 0x2, 0x73) bind(r0, &(0x7f0000000540)=@in6={0xa, 0x0, 0x0, @mcast2={0xff, 0x5}}, 0x80) [ 61.194851][ T8207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.268471][ T8207] team0: Port device team_slave_0 added [ 61.269174][ T8214] IPVS: ftp: loaded support on port[0] = 21 [ 61.274379][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.308465][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.316946][ T8210] device bridge_slave_0 entered promiscuous mode [ 61.325350][ T8207] team0: Port device team_slave_1 added [ 61.337446][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.344604][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.354456][ T8210] device bridge_slave_1 entered promiscuous mode 07:00:44 executing program 4: r0 = socket$tipc(0x1e, 0x5, 0x0) bind$tipc(r0, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x1}}, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000000)='TIPCv2\x00') sendmsg$TIPC_NL_NAME_TABLE_GET(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r2, 0xc7f7bead264aeb53}, 0x14}}, 0x0) [ 61.438773][ T8207] device hsr_slave_0 entered promiscuous mode [ 61.507165][ T8207] device hsr_slave_1 entered promiscuous mode [ 61.567980][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.608907][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.632558][ T8216] IPVS: ftp: loaded support on port[0] = 21 07:00:44 executing program 5: 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_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x100000003, 0x3a) sendto$inet6(r0, &(0x7f0000000000), 0xffa7, 0x0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0xac141403}}, 0x1c) [ 61.670248][ T8218] IPVS: ftp: loaded support on port[0] = 21 [ 61.691007][ T8210] team0: Port device team_slave_0 added [ 61.703709][ T8207] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.760448][ T8207] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.812442][ T8210] team0: Port device team_slave_1 added [ 61.837780][ T8207] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.879213][ T8207] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.941985][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 61.976636][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 62.048740][ T8210] device hsr_slave_0 entered promiscuous mode [ 62.086426][ T8210] device hsr_slave_1 entered promiscuous mode [ 62.126205][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.258930][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.267916][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.275888][ T8214] device bridge_slave_0 entered promiscuous mode [ 62.284988][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.292175][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.300302][ T8214] device bridge_slave_1 entered promiscuous mode [ 62.318580][ T8210] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.357907][ T8210] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.430090][ T8210] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.495086][ T8210] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.555227][ T8216] chnl_net:caif_netlink_parms(): no params data found [ 62.597765][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.612571][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.676947][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 62.692254][ T8214] team0: Port device team_slave_0 added [ 62.719645][ T8218] chnl_net:caif_netlink_parms(): no params data found [ 62.734207][ T8214] team0: Port device team_slave_1 added [ 62.799375][ T8214] device hsr_slave_0 entered promiscuous mode [ 62.847216][ T8214] device hsr_slave_1 entered promiscuous mode [ 62.906221][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.940566][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.948834][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.957088][ T8220] device bridge_slave_0 entered promiscuous mode [ 62.965196][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.972563][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.981237][ T8220] device bridge_slave_1 entered promiscuous mode [ 62.998831][ T8216] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.007618][ T8216] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.015326][ T8216] device bridge_slave_0 entered promiscuous mode [ 63.035488][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.044718][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.057418][ T8218] device bridge_slave_0 entered promiscuous mode [ 63.066764][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.073917][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.082328][ T8218] device bridge_slave_1 entered promiscuous mode [ 63.089615][ T8216] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.097437][ T8216] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.105158][ T8216] device bridge_slave_1 entered promiscuous mode [ 63.121757][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.153347][ T8216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.164926][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.175838][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.198364][ T8216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.216126][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.230281][ T8220] team0: Port device team_slave_0 added [ 63.245807][ T8216] team0: Port device team_slave_0 added [ 63.260534][ T8220] team0: Port device team_slave_1 added [ 63.270490][ T8214] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.311339][ T8216] team0: Port device team_slave_1 added [ 63.330643][ T8214] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.390848][ T8207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.400141][ T8218] team0: Port device team_slave_0 added [ 63.412444][ T8218] team0: Port device team_slave_1 added [ 63.457900][ T8218] device hsr_slave_0 entered promiscuous mode [ 63.506533][ T8218] device hsr_slave_1 entered promiscuous mode [ 63.556115][ T8218] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.564078][ T8214] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.633470][ T8214] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.728341][ T8216] device hsr_slave_0 entered promiscuous mode [ 63.766474][ T8216] device hsr_slave_1 entered promiscuous mode [ 63.806177][ T8216] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.868728][ T8220] device hsr_slave_0 entered promiscuous mode [ 63.936318][ T8220] device hsr_slave_1 entered promiscuous mode [ 63.986171][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.996551][ T8210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.025865][ T8207] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.059358][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.069458][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.078515][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.086709][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.094610][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.104653][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.114534][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.122170][ T8211] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.130461][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.139776][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.148394][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.155744][ T8211] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.172565][ T8210] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.195723][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.205094][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.247329][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.263200][ T8218] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.318525][ T8218] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.347920][ T8218] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.390873][ T8218] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.439551][ T8220] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.490197][ T8220] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.571023][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.585431][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.594806][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.601920][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.610413][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.620382][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.631684][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.639729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.647794][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.657070][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.665434][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.672559][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.681448][ T8220] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.738127][ T8220] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.792984][ T8216] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.855871][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.865360][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.874681][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.887405][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.900989][ T8216] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.951722][ T8216] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.012008][ T8216] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.092130][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.099982][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.109319][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.118556][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.127350][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.144251][ T8207] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.156273][ T8207] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.177454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.185855][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.195028][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.204319][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.212796][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.221423][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.230043][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.249043][ T8214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.271547][ T8210] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.283242][ T8210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.299467][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.308265][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.320742][ T8214] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.339579][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.350376][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.358700][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.366416][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.384894][ T8207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.405005][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.413900][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.423374][ T3060] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.430641][ T3060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.439808][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.449288][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.457851][ T3060] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.464893][ T3060] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.472488][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.481396][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.498584][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.507036][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.514615][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.549221][ T8210] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.568951][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.580417][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.618427][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.627663][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.639431][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.664600][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.674173][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.683843][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.692549][ T8221] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 170.665920][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.673039][ C0] rcu: 0-...!: (10499 ticks this GP) idle=9ca/1/0x4000000000000002 softirq=12109/12109 fqs=2 [ 170.683529][ C0] (t=10501 jiffies g=6577 q=21) [ 170.688461][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.699558][ C0] rcu: RCU grace-period kthread stack dump: [ 170.705560][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 170.713490][ C0] Call Trace: [ 170.716794][ C0] __schedule+0x9a0/0xcc0 [ 170.721910][ C0] schedule+0x181/0x210 [ 170.726069][ C0] schedule_timeout+0x14f/0x240 [ 170.730917][ C0] ? run_local_timers+0x120/0x120 [ 170.736155][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.740920][ C0] kthread+0x332/0x350 [ 170.745059][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.750247][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.754832][ C0] ret_from_fork+0x24/0x30 [ 170.759275][ C0] NMI backtrace for cpu 0 [ 170.763679][ C0] CPU: 0 PID: 7894 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 170.771191][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.781233][ C0] Call Trace: [ 170.784501][ C0] [ 170.787341][ C0] dump_stack+0x1fb/0x318 [ 170.791667][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.796504][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.802653][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.808707][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.814762][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.820640][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.826104][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.831306][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.836418][ C0] update_process_times+0x12d/0x180 [ 170.841605][ C0] tick_sched_timer+0x263/0x420 [ 170.846442][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.852061][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.858224][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.863192][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.868466][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.874001][ C0] apic_timer_interrupt+0xf/0x20 [ 170.878922][ C0] [ 170.881853][ C0] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 170.887821][ C0] Code: 3c 20 00 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f [ 170.907414][ C0] RSP: 0018:ffffc90005eef730 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 170.915815][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a869c080 [ 170.923861][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002733b40 [ 170.931818][ C0] RBP: ffffc90005eef750 R08: 000000000003a768 R09: ffffed10151fd29f [ 170.939788][ C0] R10: ffffed10151fd29f R11: 0000000000000000 R12: dffffc0000000000 [ 170.947750][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8fe94e8 [ 170.955725][ C0] ? mod_memcg_page_state+0x123/0x190 [ 170.961148][ C0] free_thread_stack+0x168/0x590 [ 170.966085][ C0] put_task_stack+0xa3/0x130 [ 170.970665][ C0] finish_task_switch+0x3f1/0x550 [ 170.975707][ C0] __schedule+0x9a8/0xcc0 [ 170.980153][ C0] schedule+0x181/0x210 [ 170.984314][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 170.990375][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 170.996169][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 171.001530][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 171.006804][ C0] do_sys_poll+0x82f/0x1240 [ 171.011329][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 171.016789][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 171.022587][ C0] ? __lock_acquire+0xc75/0x1be0 [ 171.027531][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 171.033505][ C0] ? trace_hardirqs_on+0x74/0x80 [ 171.038517][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 171.043276][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 171.048025][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 171.053387][ C0] ? trace_hardirqs_on+0x74/0x80 [ 171.058324][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 171.063076][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 171.068346][ C0] ? ktime_get_ts64+0x240/0x2c0 [ 171.073207][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 171.078490][ C0] __se_sys_poll+0x1b0/0x360 [ 171.083078][ C0] __x64_sys_poll+0x7b/0x90 [ 171.087591][ C0] do_syscall_64+0xf7/0x1c0 [ 171.092101][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.098074][ C0] RIP: 0033:0x7f24d2d6e678 [ 171.102484][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 171.122161][ C0] RSP: 002b:00007ffe73bc3690 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 171.130592][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f24d2d6e678 [ 171.138548][ C0] RDX: 000000000000ee37 RSI: 0000000000000001 RDI: 00007ffe73bc3750 [ 171.146590][ C0] RBP: 0000000000000000 R08: 00007ffe73bc36a0 R09: 00007ffe73bd00b8 [ 171.154547][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000e34240 [ 171.162502][ C0] R13: 0000000000002025 R14: 00007ffe73bc3724 R15: 0000000000e1b250