[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.044073][ T26] audit: type=1800 audit(1575397709.985:25): pid=8015 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.062840][ T26] audit: type=1800 audit(1575397709.995:26): pid=8015 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.108413][ T26] audit: type=1800 audit(1575397709.995:27): pid=8015 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 '10.128.0.170' (ECDSA) to the list of known hosts. 2019/12/03 18:28:41 fuzzer started 2019/12/03 18:28:42 dialing manager at 10.128.0.26:42111 2019/12/03 18:28:42 syscalls: 2689 2019/12/03 18:28:42 code coverage: enabled 2019/12/03 18:28:42 comparison tracing: enabled 2019/12/03 18:28:42 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:28:42 setuid sandbox: enabled 2019/12/03 18:28:42 namespace sandbox: enabled 2019/12/03 18:28:42 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:28:42 fault injection: enabled 2019/12/03 18:28:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:28:42 net packet injection: enabled 2019/12/03 18:28:42 net device setup: enabled 2019/12/03 18:28:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:28:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:28:43 executing program 0: openat$cgroup(0xffffffffffffffff, 0x0, 0x200002, 0x0) ioctl$SCSI_IOCTL_TEST_UNIT_READY(0xffffffffffffffff, 0x2) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000100)={0x18}, 0x18) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x200000000000013, &(0x7f0000000280), 0x4) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r1 = open(&(0x7f0000002bc0)='./file0\x00', 0x40c2, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) lstat(0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x1) syncfs(r1) 18:28:44 executing program 1: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x0, 0x0) ioctl$UI_SET_EVBIT(r0, 0x4008556c, 0x0) syzkaller login: [ 58.034946][ T8178] IPVS: ftp: loaded support on port[0] = 21 18:28:44 executing program 2: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) write$P9_RWALK(r0, &(0x7f0000000080)=ANY=[@ANYRESHEX], 0x12) write$nbd(r0, &(0x7f0000000280)=ANY=[@ANYBLOB='='], 0x1) perf_event_open(&(0x7f0000000180)={0x6, 0x70, 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, 0x0, @perf_bp={&(0x7f0000000000), 0x6}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) [ 58.227834][ T8181] IPVS: ftp: loaded support on port[0] = 21 [ 58.239434][ T8178] chnl_net:caif_netlink_parms(): no params data found [ 58.398537][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.424162][ T8178] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.432505][ T8178] device bridge_slave_0 entered promiscuous mode [ 58.460884][ T8184] IPVS: ftp: loaded support on port[0] = 21 [ 58.469057][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.476449][ T8178] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.489166][ T8178] device bridge_slave_1 entered promiscuous mode [ 58.509406][ T8181] chnl_net:caif_netlink_parms(): no params data found 18:28:44 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000440)={0x0, 0x70, 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, 0x0, @perf_config_ext={0x7c90}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) creat(0x0, 0x0) sysfs$2(0x2, 0x2c64fd2c, 0x0) shmget(0x0, 0x3000, 0x0, &(0x7f0000006000/0x3000)=nil) bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x0, 0x8}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, 0x0, 0x0) bpf$MAP_DELETE_ELEM(0x3, 0x0, 0x0) r0 = shmget$private(0x0, 0x200000, 0x0, &(0x7f000000a000/0x200000)=nil) shmat(r0, &(0x7f0000000000/0x13000)=nil, 0x4000) shmctl$SHM_UNLOCK(r0, 0xc) ioctl$TCFLSH(0xffffffffffffffff, 0x5459, 0x0) write$9p(0xffffffffffffffff, &(0x7f0000000000)="a70368d98eff5159ddb7e7d1ded8d15df2e75434c1140cd6fcf75c05ebb44d9a092b9913bc46f3d0cc915606fd3c43aff8736c95a76a1d42d142f7beb34cabcb64ca240503024e22af227391301c0efc61e014d18a03fe187bb6561a0fe762fc6c98c186aa20ce94532dc30a4a974cec13aa56803218676526f5301aa319291de0faf56a44a65d5a716abfbb2fe0801bee8551ea0bde316a7cecd37ef6185b3749fb", 0xa2) mmap(&(0x7f000000b000/0x2000)=nil, 0x2000, 0x0, 0x11, 0xffffffffffffffff, 0x0) [ 58.611542][ T8178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.640463][ T8181] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.651255][ T8181] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.674393][ T8181] device bridge_slave_0 entered promiscuous mode [ 58.696600][ T8178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.718999][ T8181] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.734837][ T8181] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.754844][ T8181] device bridge_slave_1 entered promiscuous mode [ 58.786615][ T8178] team0: Port device team_slave_0 added [ 58.819361][ T8178] team0: Port device team_slave_1 added [ 58.835709][ T8181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.850810][ T8181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 18:28:44 executing program 4: unshare(0x400) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0300a1695e1dcfe87b1071") r1 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r1, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r2 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r2, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1a, &(0x7f0000000100)={r3}, &(0x7f0000000140)=0x14) [ 58.907319][ T8186] IPVS: ftp: loaded support on port[0] = 21 [ 59.017128][ T8178] device hsr_slave_0 entered promiscuous mode 18:28:45 executing program 5: r0 = syz_open_dev$video4linux(&(0x7f0000000000)='/dev/v4l-subdev#\x00', 0x3ff, 0x0) ioctl$VIDIOC_SUBDEV_S_FMT(r0, 0xc0585605, &(0x7f0000000040)={0x1, 0x0, {0x0, 0x0, 0x3001}}) [ 59.074762][ T8178] device hsr_slave_1 entered promiscuous mode [ 59.142043][ T8181] team0: Port device team_slave_0 added [ 59.155644][ T8181] team0: Port device team_slave_1 added [ 59.201709][ T8184] chnl_net:caif_netlink_parms(): no params data found [ 59.212985][ T8189] IPVS: ftp: loaded support on port[0] = 21 [ 59.286284][ T8181] device hsr_slave_0 entered promiscuous mode [ 59.314224][ T8181] device hsr_slave_1 entered promiscuous mode [ 59.363905][ T8181] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.379988][ T8178] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.473721][ T8191] IPVS: ftp: loaded support on port[0] = 21 [ 59.505693][ T8178] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.557758][ T8178] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.600454][ T8178] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.665129][ T8184] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.672319][ T8184] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.680192][ T8184] device bridge_slave_0 entered promiscuous mode [ 59.688041][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.695438][ T8184] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.703063][ T8184] device bridge_slave_1 entered promiscuous mode [ 59.751420][ T8181] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.797697][ T8181] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.856711][ T8181] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.915411][ T8181] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.978386][ T8184] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.998149][ T8184] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.059537][ T8184] team0: Port device team_slave_0 added [ 60.070743][ T8184] team0: Port device team_slave_1 added [ 60.090133][ T8189] chnl_net:caif_netlink_parms(): no params data found [ 60.156203][ T8184] device hsr_slave_0 entered promiscuous mode [ 60.214113][ T8184] device hsr_slave_1 entered promiscuous mode [ 60.253795][ T8184] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.354908][ T8186] chnl_net:caif_netlink_parms(): no params data found [ 60.391628][ T8184] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.453291][ T8184] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.486715][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 60.530342][ T8184] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.596755][ T8186] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.604634][ T8186] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.612431][ T8186] device bridge_slave_0 entered promiscuous mode [ 60.620055][ T8189] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.628125][ T8189] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.636185][ T8189] device bridge_slave_0 entered promiscuous mode [ 60.645565][ T8181] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.652656][ T8184] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.706658][ T8178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.714611][ T8186] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.721676][ T8186] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.730408][ T8186] device bridge_slave_1 entered promiscuous mode [ 60.738724][ T8189] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.747184][ T8189] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.755114][ T8189] device bridge_slave_1 entered promiscuous mode [ 60.766256][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.773320][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.781203][ T8191] device bridge_slave_0 entered promiscuous mode [ 60.803148][ T8186] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.820450][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.828306][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.837181][ T8191] device bridge_slave_1 entered promiscuous mode [ 60.868739][ T8181] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.881422][ T8186] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.899189][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.908659][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.917176][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.925284][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.936896][ T8178] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.946297][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.962165][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.973515][ T8189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.988695][ T8189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.013214][ T8189] team0: Port device team_slave_0 added [ 61.021690][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.031142][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.039803][ T3892] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.046957][ T3892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.056588][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.065449][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.074275][ T3892] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.081311][ T3892] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.090951][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.102260][ T8186] team0: Port device team_slave_0 added [ 61.114564][ T8186] team0: Port device team_slave_1 added [ 61.121891][ T8189] team0: Port device team_slave_1 added [ 61.152020][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.160914][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.170965][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.179652][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.188138][ T3892] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.195345][ T3892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.203363][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.212434][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.221024][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.229824][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.239300][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.247801][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.256194][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.264937][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.274092][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.282068][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.293065][ T8191] team0: Port device team_slave_0 added [ 61.345816][ T8186] device hsr_slave_0 entered promiscuous mode [ 61.394223][ T8186] device hsr_slave_1 entered promiscuous mode [ 61.453833][ T8186] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.464157][ T8181] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.526892][ T8189] device hsr_slave_0 entered promiscuous mode [ 61.574859][ T8189] device hsr_slave_1 entered promiscuous mode [ 61.623886][ T8189] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.641610][ T8191] team0: Port device team_slave_1 added [ 61.661541][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.672283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.681265][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.688369][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.705018][ T8184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.732929][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.745369][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.754595][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.763145][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.772132][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.846194][ T8191] device hsr_slave_0 entered promiscuous mode [ 61.884819][ T8191] device hsr_slave_1 entered promiscuous mode [ 61.923726][ T8191] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.931364][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.940369][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.948946][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.957481][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.966738][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.974312][ T3892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.985621][ T8189] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.039138][ T8181] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.049033][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.057343][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.068032][ T8178] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.079606][ T8178] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.088410][ T8186] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.156068][ T8189] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.198102][ T8184] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.211566][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.221738][ T3102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.234660][ T8186] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.257105][ T8189] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.309066][ T8189] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.364106][ T8186] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.397377][ T8186] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 167.433570][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.440661][ C1] (detected by 1, t=10502 jiffies, g=6461, q=126) [ 167.447180][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953865-4294943362), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 167.460543][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.468445][ C1] Call Trace: [ 167.471723][ C1] [ 167.474572][ C1] sched_show_task+0x40f/0x560 [ 167.479332][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 167.484614][ C1] update_process_times+0x12d/0x180 [ 167.489802][ C1] tick_sched_timer+0x263/0x420 [ 167.494647][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.500180][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.505381][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.510341][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.515635][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.521169][ C1] apic_timer_interrupt+0xf/0x20 [ 167.526109][ C1] [ 167.529039][ C1] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 167.534833][ C1] Code: 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 49 bc 00 [ 167.554442][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.562841][ C1] RAX: 1ffff110123a4f51 RBX: ffff888091d27a88 RCX: 0000000000000000 [ 167.570890][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002944580 [ 167.578848][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.586806][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888091d27b20 [ 167.594777][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a808b9a8 [ 167.602762][ C1] free_thread_stack+0x168/0x590 [ 167.607689][ C1] put_task_stack+0xa3/0x130 [ 167.612269][ C1] finish_task_switch+0x3f1/0x550 [ 167.617285][ C1] __schedule+0x9a8/0xcc0 [ 167.621708][ C1] schedule+0x181/0x210 [ 167.625854][ C1] schedule_timeout+0x14f/0x240 [ 167.630707][ C1] ? run_local_timers+0x120/0x120 [ 167.635724][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.640484][ C1] kthread+0x332/0x350 [ 167.644539][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.649636][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.654218][ C1] ret_from_fork+0x24/0x30 [ 167.658636][ C1] rcu: rcu_preempt kthread starved for 10524 jiffies! g6461 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.669718][ C1] rcu: RCU grace-period kthread stack dump: [ 167.675681][ C1] rcu_preempt R running task 29032 10 2 0x80004008 [ 167.683573][ C1] Call Trace: [ 167.686859][ C1] [ 167.689706][ C1] sched_show_task+0x40f/0x560 [ 167.694467][ C1] rcu_check_gp_kthread_starvation+0x170/0x1b0 [ 167.700613][ C1] rcu_sched_clock_irq+0x17d3/0x1ad0 [ 167.705897][ C1] update_process_times+0x12d/0x180 [ 167.711104][ C1] tick_sched_timer+0x263/0x420 [ 167.715970][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.721511][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.726713][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.731651][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.736925][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.742459][ C1] apic_timer_interrupt+0xf/0x20 [ 167.747380][ C1] [ 167.750308][ C1] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 167.756099][ C1] Code: 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 49 bc 00 [ 167.775688][ C1] RSP: 0018:ffffc90000d0fc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.784086][ C1] RAX: 1ffff110123a4f51 RBX: ffff888091d27a88 RCX: 0000000000000000 [ 167.792055][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002944580 [ 167.800012][ C1] RBP: ffffc90000d0fc38 R08: dffffc0000000000 R09: fffffbfff120248a [ 167.807970][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888091d27b20 [ 167.815928][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a808b9a8 [ 167.823909][ C1] free_thread_stack+0x168/0x590 [ 167.828836][ C1] put_task_stack+0xa3/0x130 [ 167.833414][ C1] finish_task_switch+0x3f1/0x550 [ 167.838440][ C1] __schedule+0x9a8/0xcc0 [ 167.842791][ C1] schedule+0x181/0x210 [ 167.846935][ C1] schedule_timeout+0x14f/0x240 [ 167.851771][ C1] ? run_local_timers+0x120/0x120 [ 167.856786][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.861563][ C1] kthread+0x332/0x350 [ 167.865621][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.870719][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.875311][ C1] ret_from_fork+0x24/0x30