[ 47.723482][ T26] audit: type=1800 audit(1575378511.858:26): pid=8118 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.773235][ T26] audit: type=1800 audit(1575378511.858:27): pid=8118 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 47.806075][ T26] audit: type=1800 audit(1575378511.858:28): pid=8118 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. [ 48.396179][ T26] audit: type=1800 audit(1575378512.568:29): pid=8118 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 '10.128.0.186' (ECDSA) to the list of known hosts. 2019/12/03 13:08:42 fuzzer started 2019/12/03 13:08:44 dialing manager at 10.128.0.26:45711 2019/12/03 13:08:44 syscalls: 2689 2019/12/03 13:08:44 code coverage: enabled 2019/12/03 13:08:44 comparison tracing: enabled 2019/12/03 13:08:44 extra coverage: extra coverage is not supported by the kernel 2019/12/03 13:08:44 setuid sandbox: enabled 2019/12/03 13:08:44 namespace sandbox: enabled 2019/12/03 13:08:44 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 13:08:44 fault injection: enabled 2019/12/03 13:08:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 13:08:44 net packet injection: enabled 2019/12/03 13:08:44 net device setup: enabled 2019/12/03 13:08:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 13:08:44 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 60.411691][ T8280] ld (8280) used greatest stack depth: 23608 bytes left 13:08:45 executing program 0: r0 = memfd_create(&(0x7f0000001fc1)='\x00\xac=\x9d\xd2\xdb\xe6\xbf\xb4\b\xedcJ\x8e\x84\xd4N\x12\x9b\x1f\t\xbd\x11+\x86T\x16\xa3\xb3\xae0\x9f9?\xefo\xa4k\x012>\xa1\x9c\x86x\x1c\x9f\x84\x195\xde\x97_\t~\xf3Y\x12\"p^\xc1\x0f', 0x0) fallocate(r0, 0x0, 0x2000429, 0x3f) write(r0, &(0x7f0000002000)='/', 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xfec) mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1000000000004, 0x8000000000000011, r0, 0x0) rmdir(&(0x7f0000000000)='./file0\x00') 13:08:45 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0x10, 0x4, 0x4, 0x1}, 0x3c) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x5, 0x7, 0x9}, 0x2c) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r1, 0x0, 0x0}, 0x10) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000000)={r0, &(0x7f00000001c0), &(0x7f0000000080)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x3, &(0x7f0000000600)={r0, &(0x7f0000000040), 0x0}, 0x20) [ 61.570412][ T8284] IPVS: ftp: loaded support on port[0] = 21 [ 61.748894][ T8284] chnl_net:caif_netlink_parms(): no params data found [ 61.759482][ T8287] IPVS: ftp: loaded support on port[0] = 21 13:08:46 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, @erspan={{0xc, 0x1, 'erspan\x00'}, {0x10, 0x2, [@gre_common_policy=[@IFLA_GRE_OFLAGS={0x8}, @IFLA_GRE_COLLECT_METADATA={0x4}]]}}}]}, 0x40}}, 0x0) [ 61.847171][ T8284] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.856691][ T8284] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.866073][ T8284] device bridge_slave_0 entered promiscuous mode [ 61.882532][ T8284] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.891896][ T8284] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.900350][ T8284] device bridge_slave_1 entered promiscuous mode [ 61.981499][ T8284] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.010620][ T8292] IPVS: ftp: loaded support on port[0] = 21 [ 62.020547][ T8284] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.037094][ T8287] chnl_net:caif_netlink_parms(): no params data found 13:08:46 executing program 3: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3ea, 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_bp={0x0}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) prctl$PR_TASK_PERF_EVENTS_DISABLE(0x1f) [ 62.098315][ T8284] team0: Port device team_slave_0 added [ 62.127815][ T8284] team0: Port device team_slave_1 added [ 62.156508][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.164466][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.174090][ T8287] device bridge_slave_0 entered promiscuous mode [ 62.237167][ T8284] device hsr_slave_0 entered promiscuous mode 13:08:46 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0x20) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x5, 0x10012, r0, 0x0) r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x13, &(0x7f0000000940), 0x4) [ 62.303789][ T8284] device hsr_slave_1 entered promiscuous mode [ 62.360087][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.383521][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.403614][ T8287] device bridge_slave_1 entered promiscuous mode [ 62.462741][ T8294] IPVS: ftp: loaded support on port[0] = 21 13:08:46 executing program 5: r0 = socket$inet(0x2, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000180)=@broute={'broute\x00', 0x20, 0x1, 0x1a8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000200], 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="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"]}, 0x220) [ 62.516950][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.562705][ T8292] chnl_net:caif_netlink_parms(): no params data found [ 62.589354][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.627063][ T8298] IPVS: ftp: loaded support on port[0] = 21 [ 62.636929][ T8284] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.689210][ T8284] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 62.728034][ T8284] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 62.786361][ T8284] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.842169][ T8299] IPVS: ftp: loaded support on port[0] = 21 [ 62.867568][ T8287] team0: Port device team_slave_0 added [ 62.887372][ T8292] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.894615][ T8292] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.902545][ T8292] device bridge_slave_0 entered promiscuous mode [ 62.920180][ T8287] team0: Port device team_slave_1 added [ 62.939391][ T8292] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.946608][ T8292] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.954385][ T8292] device bridge_slave_1 entered promiscuous mode [ 63.036504][ T8287] device hsr_slave_0 entered promiscuous mode [ 63.073922][ T8287] device hsr_slave_1 entered promiscuous mode [ 63.113605][ T8287] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.127644][ T8292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.141498][ T8292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.189808][ T8292] team0: Port device team_slave_0 added [ 63.197561][ T8292] team0: Port device team_slave_1 added [ 63.248050][ T8287] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.313047][ T8294] chnl_net:caif_netlink_parms(): no params data found [ 63.322632][ T8287] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.358632][ T8287] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.446218][ T8292] device hsr_slave_0 entered promiscuous mode [ 63.513719][ T8292] device hsr_slave_1 entered promiscuous mode [ 63.563703][ T8292] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.571314][ T8287] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.703271][ T8298] chnl_net:caif_netlink_parms(): no params data found [ 63.747143][ T8294] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.754596][ T8294] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.762332][ T8294] device bridge_slave_0 entered promiscuous mode [ 63.776822][ T8284] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.799104][ T8294] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.809936][ T8294] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.818858][ T8294] device bridge_slave_1 entered promiscuous mode [ 63.837737][ T8299] chnl_net:caif_netlink_parms(): no params data found [ 63.851731][ T8292] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.921562][ T8292] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.976123][ T8294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.987837][ T8294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.001740][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.009419][ T8298] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.017261][ T8298] device bridge_slave_0 entered promiscuous mode [ 64.026154][ T8298] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.033242][ T8298] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.041223][ T8298] device bridge_slave_1 entered promiscuous mode [ 64.052237][ T8292] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.110013][ T8292] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.184010][ T8294] team0: Port device team_slave_0 added [ 64.190291][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.198326][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.206204][ T8299] device bridge_slave_0 entered promiscuous mode [ 64.219763][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.227088][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.235409][ T8299] device bridge_slave_1 entered promiscuous mode [ 64.250300][ T8294] team0: Port device team_slave_1 added [ 64.262364][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.271266][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.281661][ T8298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.293122][ T8298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.325951][ T8284] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.343600][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.356049][ T8287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.368123][ T8298] team0: Port device team_slave_0 added [ 64.416165][ T8294] device hsr_slave_0 entered promiscuous mode [ 64.453850][ T8294] device hsr_slave_1 entered promiscuous mode [ 64.493553][ T8294] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.510971][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.527554][ T8298] team0: Port device team_slave_1 added [ 64.556803][ T8299] team0: Port device team_slave_0 added [ 64.566608][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.577648][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.586393][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.593572][ T8289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.601514][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.611118][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.619500][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.626735][ T8289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.634373][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.641969][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.679882][ T8287] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.690653][ T8299] team0: Port device team_slave_1 added [ 64.698736][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.708661][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.717359][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.726798][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.736407][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.745348][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.753947][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.762199][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.770488][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.780378][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.798557][ T8284] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.810258][ T8284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.826858][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.839752][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.865139][ T8298] device hsr_slave_0 entered promiscuous mode [ 64.903824][ T8298] device hsr_slave_1 entered promiscuous mode [ 64.973489][ T8298] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.993551][ T8294] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.025312][ T8294] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.075980][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.084780][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.093461][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.100520][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.108223][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.117048][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.125554][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.132608][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.140170][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.148952][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.215791][ T8299] device hsr_slave_0 entered promiscuous mode [ 65.274162][ T8299] device hsr_slave_1 entered promiscuous mode [ 65.313590][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.329609][ T8294] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.368066][ T8294] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.418913][ T8292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.428223][ T8290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.436449][ T8290] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.444276][ T8290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.478286][ T8284] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.486348][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.496132][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.505021][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.513515][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.522182][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.541948][ T8292] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.575972][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.588726][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.596864][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.606523][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.615121][ T8304] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.622164][ T8304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.630348][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.639134][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.647791][ T8304] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.654900][ T8304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.670414][ T8299] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.726253][ T8299] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.777765][ T8299] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.826280][ T8299] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.892266][ T8298] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.936057][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.944520][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.953056][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.967104][ T8304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.001103][ T8292] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 66.017549][ T8292] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.050146][ T8292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 170.923358][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.930145][ C1] rcu: 1-....: (10499 ticks this GP) idle=e16/1/0x4000000000000002 softirq=12303/12303 fqs=2810 [ 170.941578][ C1] (t=10501 jiffies g=6553 q=430) [ 170.948178][ C1] rcu: rcu_preempt kthread starved for 4881 jiffies! g6553 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.959295][ C1] rcu: RCU grace-period kthread stack dump: [ 170.965183][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 170.973165][ C1] Call Trace: [ 170.976462][ C1] __schedule+0x9a0/0xcc0 [ 170.981142][ C1] schedule+0x181/0x210 [ 170.985289][ C1] schedule_timeout+0x14f/0x240 [ 170.990229][ C1] ? run_local_timers+0x120/0x120 [ 170.995248][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.000123][ C1] kthread+0x332/0x350 [ 171.004177][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.009294][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.013894][ C1] ret_from_fork+0x24/0x30 [ 171.018325][ C1] NMI backtrace for cpu 1 [ 171.023175][ C1] CPU: 1 PID: 8284 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 171.031396][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.041438][ C1] Call Trace: [ 171.044710][ C1] [ 171.047551][ C1] dump_stack+0x1fb/0x318 [ 171.051873][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.056715][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.062855][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.069906][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.075886][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.081768][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.086910][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.092115][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.097137][ C1] update_process_times+0x12d/0x180 [ 171.102329][ C1] tick_sched_timer+0x263/0x420 [ 171.107169][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.112703][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.117921][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.122862][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.128147][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.133681][ C1] apic_timer_interrupt+0xf/0x20 [ 171.138632][ C1] [ 171.141564][ C1] RIP: 0010:mod_memcg_page_state+0xb/0x190 [ 171.147358][ C1] Code: 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 <41> 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 [ 171.167047][ C1] RSP: 0018:ffffc90001ee7638 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.175459][ C1] RAX: 1ffff110130eb431 RBX: ffff88809875a188 RCX: 0000000000000000 [ 171.183416][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000260c700 [ 171.191375][ C1] RBP: ffffc90001ee7658 R08: 000000000003a768 R09: ffffed1012e6c30f [ 171.199344][ C1] R10: ffffed1012e6c30f R11: 0000000000000000 R12: ffff88809875a220 [ 171.207307][ C1] R13: dffffc0000000000 R14: 1ffff110130eb444 R15: ffff888097361868 [ 171.215287][ C1] free_thread_stack+0x168/0x590 [ 171.220227][ C1] put_task_stack+0xa3/0x130 [ 171.224830][ C1] finish_task_switch+0x3f1/0x550 [ 171.229861][ C1] __schedule+0x9a8/0xcc0 [ 171.234192][ C1] preempt_schedule_irq+0xc1/0x140 [ 171.239434][ C1] retint_kernel+0x1b/0x2b [ 171.243849][ C1] RIP: 0010:lock_is_held_type+0x25c/0x2b0 [ 171.250093][ C1] Code: 28 96 0a 89 48 c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 28 96 0a 89 e8 e3 54 56 00 48 83 3d 03 d8 ae 07 00 74 56 4c 89 e7 57 9d <0f> 1f 44 00 00 89 d8 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 [ 171.269683][ C1] RSP: 0018:ffffc90001ee78b8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 171.278079][ C1] RAX: 1ffffffff12152c5 RBX: 0000000000000000 RCX: 0000000000000001 [ 171.286039][ C1] RDX: dffffc0000000000 RSI: ffff888086216a48 RDI: 0000000000000286 [ 171.293994][ C1] RBP: ffffc90001ee7908 R08: dffffc0000000000 R09: ffffed10151866d2 [ 171.301953][ C1] R10: ffffed10151866d2 R11: 0000000000000000 R12: 0000000000000286 [ 171.309915][ C1] R13: ffff8880862169d4 R14: dffffc0000000000 R15: 1ffff11010c42d3a [ 171.317996][ C1] ___might_sleep+0x3e/0x5e0 [ 171.322573][ C1] ? do_raw_spin_unlock+0x136/0x260 [ 171.327764][ C1] copy_page_range+0x249a/0x29a0 [ 171.332762][ C1] ? __vma_link_rb+0x839/0x860 [ 171.337519][ C1] dup_mmap+0xa01/0xe00 [ 171.341674][ C1] dup_mm+0x9e/0x340 [ 171.345560][ C1] copy_process+0x1e49/0x5510 [ 171.350435][ C1] _do_fork+0x13e/0x660 [ 171.354583][ C1] ? check_preemption_disabled+0xb4/0x260 [ 171.360289][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.365563][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 171.370926][ C1] __x64_sys_clone+0x20b/0x250 [ 171.375685][ C1] do_syscall_64+0xf7/0x1c0 [ 171.380180][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 171.386057][ C1] RIP: 0033:0x458c4a [ 171.389940][ C1] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 171.409933][ C1] RSP: 002b:00007ffcc08d8120 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 171.418330][ C1] RAX: ffffffffffffffda RBX: 00007ffcc08d8120 RCX: 0000000000458c4a [ 171.426288][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 171.434255][ C1] RBP: 00007ffcc08d8160 R08: 0000000000000001 R09: 000000000252f940 [ 171.442214][ C1] R10: 000000000252fc10 R11: 0000000000000246 R12: 0000000000000001 [ 171.450195][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffcc08d81b0