[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.681372][ T25] audit: type=1800 audit(1578471606.430:25): pid=8348 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.700448][ T25] audit: type=1800 audit(1578471606.430:26): pid=8348 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.728369][ T25] audit: type=1800 audit(1578471606.440:27): pid=8348 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 '10.128.0.195' (ECDSA) to the list of known hosts. 2020/01/08 08:20:18 fuzzer started 2020/01/08 08:20:20 dialing manager at 10.128.0.26:35703 2020/01/08 08:20:20 syscalls: 2824 2020/01/08 08:20:20 code coverage: enabled 2020/01/08 08:20:20 comparison tracing: enabled 2020/01/08 08:20:20 extra coverage: enabled 2020/01/08 08:20:20 setuid sandbox: enabled 2020/01/08 08:20:20 namespace sandbox: enabled 2020/01/08 08:20:20 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:20:20 fault injection: enabled 2020/01/08 08:20:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:20:20 net packet injection: enabled 2020/01/08 08:20:20 net device setup: enabled 2020/01/08 08:20:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:20:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:20:21 executing program 0: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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$netlink(0x10, 0x3, 0xc) writev(r0, &(0x7f0000000000)=[{&(0x7f0000000080)="390000000206096768fe07072b0300370e000a0014000200450201070300001419001a00120002000e00010006000300"/57, 0x39}], 0x1) 08:20:21 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000001fd8)=@framed={{0xffffffb7, 0x0, 0x0, 0x0, 0x0, 0x79, 0x10, 0xa1}, [@ldst={0x7}]}, &(0x7f0000003ff6)='GPL\x00', 0x1, 0xb579, &(0x7f000000cf3d)=""/195}, 0x48) syzkaller login: [ 66.787094][ T8516] IPVS: ftp: loaded support on port[0] = 21 08:20:21 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f0000000840)={0x2, 0x0, @loopback}, 0x10) r1 = socket(0x2000010000000015, 0x5, 0x0) getsockopt(r1, 0x114, 0x2716, &(0x7f0000af0fe7)=""/13, &(0x7f0000000040)=0xf0) [ 66.972178][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 67.003243][ T8519] IPVS: ftp: loaded support on port[0] = 21 [ 67.110340][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.128377][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.136454][ T8516] device bridge_slave_0 entered promiscuous mode [ 67.160909][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.168063][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.188959][ T8516] device bridge_slave_1 entered promiscuous mode [ 67.217368][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.243830][ T8521] IPVS: ftp: loaded support on port[0] = 21 08:20:22 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000000)='TIPCv2\x00') sendmsg$TIPC_NL_LINK_GET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)={0x2c, r1, 0x115, 0x0, 0x0, {}, [@TIPC_NLA_LINK={0x18, 0x4, [@TIPC_NLA_LINK_NAME={0x4, 0x1, 'broadcast-link\x00'}]}]}, 0x2c}}, 0x0) [ 67.284537][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.348054][ T8519] chnl_net:caif_netlink_parms(): no params data found [ 67.409949][ T8516] team0: Port device team_slave_0 added [ 67.459343][ T8516] team0: Port device team_slave_1 added [ 67.482533][ T8525] IPVS: ftp: loaded support on port[0] = 21 08:20:22 executing program 4: r0 = socket$inet(0x2, 0x2000000080002, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000280)=@broute={'broute\x00', 0x20, 0x2, 0x238, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200005c0], 0x0, 0x0, &(0x7f00000005c0)=ANY=[@ANYBLOB="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"]}, 0x2b0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) syz_open_dev$admmidi(0x0, 0x0, 0x0) sendto$inet6(0xffffffffffffffff, 0x0, 0xffffffffffffff7a, 0x808, 0x0, 0x0) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000040)=@broute={'broute\x00', 0x20, 0x0, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000100], 0x2, 0x0, &(0x7f0000000100)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xfffffffffffffffc}, {0x0, '\x00', 0x0, 0xffffffffffffffff}]}, 0x108) [ 67.638011][ T8516] device hsr_slave_0 entered promiscuous mode [ 67.690276][ T8516] device hsr_slave_1 entered promiscuous mode [ 67.732738][ T8519] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.748255][ T8519] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.757240][ T8519] device bridge_slave_0 entered promiscuous mode [ 67.787479][ T8521] chnl_net:caif_netlink_parms(): no params data found [ 67.824197][ T8528] IPVS: ftp: loaded support on port[0] = 21 [ 67.830816][ T8519] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.838071][ T8519] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.853386][ T8519] device bridge_slave_1 entered promiscuous mode 08:20:22 executing program 5: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="2e0000001d00810ee00f80ecdb4cb9e307f029a00d0000002f003efb0a0002000300000000000f00060005000600", 0x2e}], 0x1}, 0x0) [ 67.922931][ T8519] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.941450][ T8519] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.978492][ T8521] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.985795][ T8521] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.994050][ T8521] device bridge_slave_0 entered promiscuous mode [ 68.036427][ T8521] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.049217][ T8521] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.057688][ T8521] device bridge_slave_1 entered promiscuous mode [ 68.079580][ T8519] team0: Port device team_slave_0 added [ 68.114598][ T8519] team0: Port device team_slave_1 added [ 68.130788][ T8521] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.150131][ T8530] IPVS: ftp: loaded support on port[0] = 21 [ 68.182653][ T8521] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.281191][ T8519] device hsr_slave_0 entered promiscuous mode [ 68.348569][ T8519] device hsr_slave_1 entered promiscuous mode [ 68.388419][ T8519] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.397050][ T8519] Cannot create hsr debugfs directory [ 68.409785][ T8516] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.451812][ T8521] team0: Port device team_slave_0 added [ 68.464090][ T8521] team0: Port device team_slave_1 added [ 68.490294][ T8516] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.572747][ T8516] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.671406][ T8521] device hsr_slave_0 entered promiscuous mode [ 68.719732][ T8521] device hsr_slave_1 entered promiscuous mode [ 68.778419][ T8521] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.786778][ T8521] Cannot create hsr debugfs directory [ 68.794176][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 68.822380][ T8516] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.936218][ T8528] chnl_net:caif_netlink_parms(): no params data found [ 69.006595][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.014856][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.024498][ T8525] device bridge_slave_0 entered promiscuous mode [ 69.061748][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.070904][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.079783][ T8525] device bridge_slave_1 entered promiscuous mode [ 69.120575][ T8528] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.129891][ T8528] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.140322][ T8528] device bridge_slave_0 entered promiscuous mode [ 69.166626][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.182619][ T8528] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.191436][ T8528] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.201027][ T8528] device bridge_slave_1 entered promiscuous mode [ 69.241986][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.301118][ T8528] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.327193][ T8530] chnl_net:caif_netlink_parms(): no params data found [ 69.341898][ T8519] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 69.400780][ T8528] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.412281][ T8525] team0: Port device team_slave_0 added [ 69.423127][ T8525] team0: Port device team_slave_1 added [ 69.450578][ T8519] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 69.494168][ T8519] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 69.564214][ T8519] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 69.636634][ T8521] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 69.695497][ T8521] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 69.767401][ T8528] team0: Port device team_slave_0 added [ 69.831129][ T8525] device hsr_slave_0 entered promiscuous mode [ 69.868594][ T8525] device hsr_slave_1 entered promiscuous mode [ 69.908320][ T8525] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.917990][ T8525] Cannot create hsr debugfs directory [ 69.927135][ T8521] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.996799][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.005727][ T8528] team0: Port device team_slave_1 added [ 70.024311][ T8521] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.121952][ T8530] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.129374][ T8530] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.137785][ T8530] device bridge_slave_0 entered promiscuous mode [ 70.147869][ T8530] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.159381][ T8530] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.167637][ T8530] device bridge_slave_1 entered promiscuous mode [ 70.242755][ T8528] device hsr_slave_0 entered promiscuous mode [ 70.299434][ T8528] device hsr_slave_1 entered promiscuous mode [ 70.338301][ T8528] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.346448][ T8528] Cannot create hsr debugfs directory [ 70.409727][ T8530] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.421985][ T8530] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.449590][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.461691][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.500127][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.522298][ T8530] team0: Port device team_slave_0 added [ 70.562157][ T8530] team0: Port device team_slave_1 added [ 70.600663][ T8525] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.644350][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.654733][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.663646][ T2973] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.671158][ T2973] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.690398][ T8528] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.762968][ T8528] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.820739][ T8528] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.880505][ T8525] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.971853][ T8530] device hsr_slave_0 entered promiscuous mode [ 71.019462][ T8530] device hsr_slave_1 entered promiscuous mode [ 71.068312][ T8530] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.076180][ T8530] Cannot create hsr debugfs directory [ 71.082846][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.091254][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.101071][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.109607][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.117213][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.126522][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.138464][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.149854][ T8519] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.159083][ T8528] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 71.220742][ T8525] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 71.303264][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.313332][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.325357][ T8525] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 71.407082][ T8521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.426797][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.436703][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.447044][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.465194][ T8516] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.477410][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.501946][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.516867][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.526921][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.537051][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.546449][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.555298][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.576049][ T8521] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.589594][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.597966][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.611422][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.623123][ T8519] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.653410][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.665189][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.674723][ T2973] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.682616][ T2973] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.694231][ T2973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.725513][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.734564][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.747323][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.757701][ T2940] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.765957][ T2940] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.775598][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.784122][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.794657][ T8530] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.841548][ T8530] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.903381][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.915449][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.925298][ T2965] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.933236][ T2965] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.944340][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.953453][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.980851][ T8530] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.031174][ T8530] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.100745][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.109167][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.120591][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.132860][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.142105][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.151272][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.162131][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.171126][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.180412][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.189539][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.199032][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.208374][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.218653][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.228337][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.258013][ T8519] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.272368][ T8519] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.299108][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.309581][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.321407][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.331560][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.341873][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.352379][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.361810][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.370463][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.383125][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.393942][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.417051][ T8521] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.429312][ T8521] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.450494][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.459754][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.469286][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.478357][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.487780][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.515515][ T8519] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.540664][ T8525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.557324][ T8528] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.565777][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.574427][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.595435][ T8516] device veth0_vlan entered promiscuous mode [ 72.611578][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.620529][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.630214][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.638864][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.649425][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.658686][ T3160] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.674054][ T8516] device veth1_vlan entered promiscuous mode [ 72.690326][ T8525] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.702712][ T8521] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.714898][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 72.727082][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.736979][ T2963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.750044][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.762479][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.773341][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.783063][ T2965] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.793564][ T2965] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.801252][ T2965] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.873910][ T8530] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.883350][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 72.891888][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.901513][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.910523][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.920376][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.930032][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.939837][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.949544][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.960740][ T2990] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.972084][ T2990] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.983774][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.995636][ T2990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.007722][ T8528] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.040811][ T8530] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.050166][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.061659][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.070636][ T2979] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.070669][ T2979] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.071049][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.107120][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.116282][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.123787][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.133682][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.144118][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.155339][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.167485][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.187075][ T8519] device veth0_vlan entered promiscuous mode [ 73.213788][ T8521] device veth0_vlan entered promiscuous mode [ 73.235402][ T8521] device veth1_vlan entered promiscuous mode [ 178.128156][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.135063][ C1] rcu: 1-...!: (1 GPs behind) idle=822/1/0x4000000000000002 softirq=12840/12841 fqs=40 [ 178.145044][ C1] (t=10501 jiffies g=6989 q=267) [ 178.150064][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.161151][ C1] rcu: RCU grace-period kthread stack dump: [ 178.167032][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.174921][ C1] Call Trace: [ 178.178336][ C1] __schedule+0x9a0/0xcc0 [ 178.182667][ C1] schedule+0x181/0x210 [ 178.186816][ C1] schedule_timeout+0x14f/0x240 [ 178.191656][ C1] ? run_local_timers+0x120/0x120 [ 178.196676][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.201450][ C1] kthread+0x332/0x350 [ 178.205518][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.210619][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.215199][ C1] ret_from_fork+0x24/0x30 [ 178.219624][ C1] NMI backtrace for cpu 1 [ 178.223951][ C1] CPU: 1 PID: 8386 Comm: rsyslogd Not tainted 5.5.0-rc5-syzkaller #0 [ 178.231995][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.242050][ C1] Call Trace: [ 178.245325][ C1] [ 178.248195][ C1] dump_stack+0x1fb/0x318 [ 178.252521][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.257358][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.263500][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.269558][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.275530][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.281410][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.286518][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.291884][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.296914][ C1] update_process_times+0x12d/0x180 [ 178.302106][ C1] tick_sched_timer+0x263/0x420 [ 178.306961][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.312497][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.317701][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.322650][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.327951][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.333505][ C1] apic_timer_interrupt+0xf/0x20 [ 178.338435][ C1] [ 178.341384][ C1] RIP: 0010:__memcg_kmem_uncharge+0x21/0x1a0 [ 178.347362][ C1] Code: 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 <4d> 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 48 07 fb [ 178.366958][ C1] RSP: 0018:ffffc900019c7a18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.375443][ C1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff8880a2e70040 [ 178.383415][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025b8a00 [ 178.391644][ C1] RBP: ffffc900019c7a48 R08: 000000000003a728 R09: ffffed1012767339 [ 178.399606][ C1] R10: ffffed1012767339 R11: 0000000000000000 R12: ffffea00025b8a00 [ 178.407568][ C1] R13: dffffc0000000000 R14: ffffea00025b8a38 R15: ffff888093b399b8 [ 178.415553][ C1] ? free_thread_stack+0x124/0x590 [ 178.420757][ C1] free_thread_stack+0x12e/0x590 [ 178.425693][ C1] put_task_stack+0xa3/0x130 [ 178.430293][ C1] finish_task_switch+0x3f1/0x550 [ 178.435313][ C1] __schedule+0x9a8/0xcc0 [ 178.439647][ C1] schedule+0x181/0x210 [ 178.443806][ C1] do_syslog+0xdb0/0x1770 [ 178.448160][ C1] ? init_wait_entry+0xe0/0xe0 [ 178.452928][ C1] kmsg_read+0x94/0xd0 [ 178.456985][ C1] ? mmap_vmcore_fault+0x10/0x10 [ 178.461916][ C1] proc_reg_read+0x1e2/0x2d0 [ 178.466496][ C1] ? proc_reg_llseek+0x2c0/0x2c0 [ 178.471425][ C1] __vfs_read+0xb8/0x730 [ 178.475667][ C1] ? security_file_permission+0x23c/0x350 [ 178.481380][ C1] ? rw_verify_area+0x1c2/0x360 [ 178.486227][ C1] vfs_read+0x1dd/0x420 [ 178.490380][ C1] ksys_read+0x117/0x220 [ 178.494625][ C1] __x64_sys_read+0x7b/0x90 [ 178.499128][ C1] do_syscall_64+0xf7/0x1c0 [ 178.503627][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.509508][ C1] RIP: 0033:0x7fca677a21fd [ 178.513920][ C1] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 178.533516][ C1] RSP: 002b:00007fca64d41e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 178.542017][ C1] RAX: ffffffffffffffda RBX: 0000000001bc6170 RCX: 00007fca677a21fd [ 178.549984][ C1] RDX: 0000000000000fff RSI: 00007fca665765a0 RDI: 0000000000000004 [ 178.557958][ C1] RBP: 0000000000000000 R08: 0000000001bb1260 R09: 0000000004000001 [ 178.565934][ C1] R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 [ 178.573895][ C1] R13: 00007fca64d429c0 R14: 00007fca67de7040 R15: 0000000000000003