[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.668977][ T27] audit: type=1800 audit(1578451029.294:25): pid=8321 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.688445][ T27] audit: type=1800 audit(1578451029.294:26): pid=8321 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.746792][ T27] audit: type=1800 audit(1578451029.304:27): pid=8321 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 '10.128.0.125' (ECDSA) to the list of known hosts. 2020/01/08 02:37:18 fuzzer started 2020/01/08 02:37:20 dialing manager at 10.128.0.26:35703 2020/01/08 02:37:20 syscalls: 2824 2020/01/08 02:37:20 code coverage: enabled 2020/01/08 02:37:20 comparison tracing: enabled 2020/01/08 02:37:20 extra coverage: enabled 2020/01/08 02:37:20 setuid sandbox: enabled 2020/01/08 02:37:20 namespace sandbox: enabled 2020/01/08 02:37:20 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:37:20 fault injection: enabled 2020/01/08 02:37:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:37:20 net packet injection: enabled 2020/01/08 02:37:20 net device setup: enabled 2020/01/08 02:37:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:37:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:37:21 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000040)={0x9, 0x4, &(0x7f00000000c0)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1, 0x28}]}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 02:37:21 executing program 1: r0 = socket$inet_sctp(0x2, 0x800000000000001, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000000), 0x10) syzkaller login: [ 57.703823][ T8486] IPVS: ftp: loaded support on port[0] = 21 02:37:21 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast2, 0x1000000005}, 0x1c) setsockopt$inet6_udp_int(r1, 0x11, 0x67, &(0x7f0000000200)=0x8, 0x4) sendto$inet6(r1, &(0x7f00000016c0)="83c05b979b7ca8e0fe", 0x9, 0x8000, 0x0, 0x0) sendmmsg(r1, &(0x7f00000002c0), 0x400000000000174, 0x0) [ 57.852050][ T8488] IPVS: ftp: loaded support on port[0] = 21 [ 57.887202][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 57.980550][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.988504][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.997592][ T8486] device bridge_slave_0 entered promiscuous mode [ 58.019258][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.026723][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.034581][ T8486] device bridge_slave_1 entered promiscuous mode [ 58.101846][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 58.126139][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:37:21 executing program 3: r0 = socket(0x10, 0x803, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendto(r0, &(0x7f0000cfefee)="120000001200e7ef007b00000000000000a1", 0x12, 0x0, 0x0, 0x0) process_vm_writev(0x0, &(0x7f0000000f40)=[{&(0x7f0000000280)=""/99, 0x63}], 0x1, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_SIGN(0x1b, &(0x7f00000006c0)={0x0, 0x0, 0x9b}, 0x0, 0x0, &(0x7f0000000740)=""/155) recvmmsg(r0, &(0x7f00000037c0)=[{{&(0x7f00000004c0)=@ethernet={0x0, @random}, 0x374, &(0x7f0000000380)=[{&(0x7f0000000040)=""/95, 0x14b}, {&(0x7f0000000140)=""/85, 0x22b}, {&(0x7f0000000fc0)=""/4096, 0x49d}, {&(0x7f0000000400)=""/120, 0x109}, {&(0x7f0000000480)=""/60, 0x3dd}, {&(0x7f0000000200)=""/77, 0x174}, {&(0x7f0000000540)=""/154, 0x40d}, {&(0x7f0000000000)=""/22, 0x16}], 0x161, &(0x7f0000000600)=""/191, 0x91}}], 0x40000000000020a, 0x0, &(0x7f0000003700)={0x77359400}) [ 58.148414][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.208598][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 58.249274][ T8486] team0: Port device team_slave_0 added [ 58.282528][ T8486] team0: Port device team_slave_1 added 02:37:22 executing program 4: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f00000004c0)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4cc74502f987c2cec6504df6eabb4ed8a60ab563e9c38b4b2a3d27a7082dbb78abd55fba3da80b856445ab100621570b45a48bdaf968a500f2cd89e9b08e3f5972fe9ca162b123e19268c89c9dd81c796f27f537cc5a3fb54aff8eaff4f6b5ffa7a7f69c41705b96a6711d4679079d00000000000000000013007f22e58751c7eb6743f8562c2eee7d9a75f763bee90a1851aadd01c1f18ed1121149c35ec301aac5ec491f1743"], 0x15) r2 = dup(r1) write$FUSE_BMAP(r2, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r2, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140)='9p\x00', 0x0, &(0x7f00000002c0)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cache_fscache='cache=fscache'}]}}) creat(&(0x7f0000139000)='./file0/bus\x00', 0x0) [ 58.409227][ T8486] device hsr_slave_0 entered promiscuous mode [ 58.445914][ T8486] device hsr_slave_1 entered promiscuous mode [ 58.516761][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.523857][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.536940][ T8488] device bridge_slave_0 entered promiscuous mode [ 58.574731][ T8496] IPVS: ftp: loaded support on port[0] = 21 [ 58.596946][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.604330][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.626502][ T8488] device bridge_slave_1 entered promiscuous mode 02:37:22 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000001fd8)=@framed={{0xffffffb7, 0x0, 0x0, 0x0, 0x0, 0x44}, [@alu={0x7}]}, &(0x7f0000003ff6)='GPL\x00', 0x1, 0xb579, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0xffffffffffffffab}, 0x48) [ 58.672951][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.689347][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 58.700795][ T8497] IPVS: ftp: loaded support on port[0] = 21 [ 58.710058][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.779302][ T8488] team0: Port device team_slave_0 added [ 58.809433][ T8488] team0: Port device team_slave_1 added [ 58.852527][ T8486] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.898872][ T8486] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.959046][ T8486] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.997166][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.004243][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.012691][ T8492] device bridge_slave_0 entered promiscuous mode [ 59.024973][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.032168][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.033621][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 59.046053][ T8492] device bridge_slave_1 entered promiscuous mode [ 59.065780][ T8486] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.148320][ T8488] device hsr_slave_0 entered promiscuous mode [ 59.216046][ T8488] device hsr_slave_1 entered promiscuous mode [ 59.265805][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.273579][ T8488] Cannot create hsr debugfs directory [ 59.321236][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.372807][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.420906][ T8492] team0: Port device team_slave_0 added [ 59.443181][ T8492] team0: Port device team_slave_1 added [ 59.458719][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 59.471598][ T8488] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.529078][ T8488] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.584271][ T8488] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.659250][ T8488] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.787489][ T8492] device hsr_slave_0 entered promiscuous mode [ 59.846548][ T8492] device hsr_slave_1 entered promiscuous mode [ 59.915786][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.923367][ T8492] Cannot create hsr debugfs directory [ 59.951290][ T8497] chnl_net:caif_netlink_parms(): no params data found [ 59.974358][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.982043][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.990806][ T8496] device bridge_slave_0 entered promiscuous mode [ 60.027961][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.035021][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.043082][ T8496] device bridge_slave_1 entered promiscuous mode [ 60.060868][ T8499] chnl_net:caif_netlink_parms(): no params data found [ 60.097865][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.109209][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.148977][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.159338][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.167828][ T8499] device bridge_slave_0 entered promiscuous mode [ 60.176243][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.183296][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.191351][ T8499] device bridge_slave_1 entered promiscuous mode [ 60.217372][ T8496] team0: Port device team_slave_0 added [ 60.225133][ T8496] team0: Port device team_slave_1 added [ 60.244307][ T8497] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.252125][ T8497] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.259863][ T8497] device bridge_slave_0 entered promiscuous mode [ 60.268727][ T8497] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.276675][ T8497] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.284289][ T8497] device bridge_slave_1 entered promiscuous mode [ 60.338450][ T8496] device hsr_slave_0 entered promiscuous mode [ 60.386391][ T8496] device hsr_slave_1 entered promiscuous mode [ 60.426331][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.433908][ T8496] Cannot create hsr debugfs directory [ 60.440834][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.469494][ T8497] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.482860][ T8497] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.496956][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.535002][ T8499] team0: Port device team_slave_0 added [ 60.543062][ T8499] team0: Port device team_slave_1 added [ 60.551845][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.598207][ T8497] team0: Port device team_slave_0 added [ 60.613980][ T8492] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.717889][ T8499] device hsr_slave_0 entered promiscuous mode [ 60.746095][ T8499] device hsr_slave_1 entered promiscuous mode [ 60.795745][ T8499] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.803838][ T8499] Cannot create hsr debugfs directory [ 60.810796][ T8497] team0: Port device team_slave_1 added [ 60.820329][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.828315][ T8492] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.892510][ T8488] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.918741][ T8492] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.983400][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.991935][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.058442][ T8497] device hsr_slave_0 entered promiscuous mode [ 61.096098][ T8497] device hsr_slave_1 entered promiscuous mode [ 61.155731][ T8497] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.163365][ T8497] Cannot create hsr debugfs directory [ 61.174327][ T8492] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.252897][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.261127][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.272030][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.281027][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.292201][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.299419][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.308445][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.317189][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.325398][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.332473][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.340006][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.367820][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.385967][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.393808][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.430149][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.439284][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.447730][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.454755][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.462806][ T8496] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.541287][ T8496] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.606881][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.620261][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.629209][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.638661][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.647087][ T8496] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.701825][ T8496] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.758935][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.768826][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.777931][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.784975][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.792793][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.801591][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.840129][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.848998][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.857545][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.866985][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.875261][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.897177][ T8488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.911156][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.921661][ T8499] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.961498][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.983238][ T8497] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.017814][ T8499] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.076945][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.085432][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.097457][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.106137][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.114393][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.122170][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.129952][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.141300][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.151038][ T8497] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.197903][ T8499] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.248085][ T8499] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.309572][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.318112][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.326858][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.335331][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.344313][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.351389][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.359257][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.367820][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.376292][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.383504][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.391082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.400679][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.409934][ T8497] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.500767][ T8486] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.513975][ T8486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.525443][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.533657][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.541836][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.550403][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.558826][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.567376][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.576069][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.584864][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.593184][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.601339][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.610071][ T8497] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.672314][ T8488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.684094][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.693664][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.715099][ T8492] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.727490][ T8492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.751172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.760390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.769197][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.777215][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.805362][ T8486] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.857652][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.865058][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.873999][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.882667][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.909108][ T8488] device veth0_vlan entered promiscuous mode [ 62.930043][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.939127][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.948113][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.957892][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.968311][ T8492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.984474][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.001073][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.009658][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.020437][ T8497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.042622][ T8488] device veth1_vlan entered promiscuous mode [ 63.055451][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.066301][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.074189][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.082994][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.093330][ T8486] device veth0_vlan entered promiscuous mode [ 63.111520][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.126180][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.134039][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.143539][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.151916][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.160216][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.167993][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.175505][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.187366][ T8497] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.196815][ T8486] device veth1_vlan entered promiscuous mode [ 63.228524][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.239443][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.249572][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.258259][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.266882][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.273952][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.281581][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.290229][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.298801][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.306800][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.316066][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.341833][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.359736][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.383318][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.397561][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.404667][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.414590][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.423541][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.432333][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.439442][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.447748][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.458416][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.475935][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.484393][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.493344][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.502643][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.511858][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.520673][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.529665][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.395567][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.402445][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e66/1/0x4000000000000002 softirq=12232/12234 fqs=6 [ 168.413527][ C0] (t=10501 jiffies g=6905 q=181) [ 168.418549][ C0] rcu: rcu_preempt kthread starved for 10489 jiffies! g6905 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.429719][ C0] rcu: RCU grace-period kthread stack dump: [ 168.435605][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 168.443497][ C0] Call Trace: [ 168.446783][ C0] __schedule+0x9a0/0xcc0 [ 168.451113][ C0] schedule+0x181/0x210 [ 168.455263][ C0] schedule_timeout+0x14f/0x240 [ 168.460104][ C0] ? run_local_timers+0x120/0x120 [ 168.465124][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.469886][ C0] kthread+0x332/0x350 [ 168.473945][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.479044][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.483625][ C0] ret_from_fork+0x24/0x30 [ 168.488869][ C0] NMI backtrace for cpu 0 [ 168.493289][ C0] CPU: 0 PID: 590 Comm: kworker/u4:8 Not tainted 5.5.0-rc5-syzkaller #0 [ 168.501628][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.512264][ C0] Workqueue: 0x0 (bat_events) [ 168.517151][ C0] Call Trace: [ 168.520569][ C0] [ 168.523420][ C0] dump_stack+0x1fb/0x318 [ 168.527867][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.533144][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.539642][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.545704][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.551682][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.557831][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.563082][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.568776][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.574245][ C0] update_process_times+0x12d/0x180 [ 168.579527][ C0] tick_sched_timer+0x263/0x420 [ 168.584556][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.590094][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.595304][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.600460][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.605741][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.611887][ C0] apic_timer_interrupt+0xf/0x20 [ 168.617249][ C0] [ 168.620292][ C0] RIP: 0010:mod_memcg_page_state+0x11e/0x190 [ 168.626352][ C0] Code: c7 68 95 2a 89 e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 ad 26 2e 00 eb 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8 [ 168.646926][ C0] RSP: 0018:ffffc900026d7c00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.655415][ C0] RAX: 1ffffd40005496cf RBX: 0000000000000000 RCX: ffff8880a7aa0580 [ 168.663387][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a4b640 [ 168.672322][ C0] RBP: ffffc900026d7c20 R08: 000000000003a728 R09: ffffed10131fa739 [ 168.680373][ C0] R10: ffffed10131fa739 R11: 0000000000000000 R12: dffffc0000000000 [ 168.688510][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888098fd39b8 [ 168.697294][ C0] free_thread_stack+0x168/0x590 [ 168.702254][ C0] put_task_stack+0xa3/0x130 [ 168.706947][ C0] finish_task_switch+0x3f1/0x550 [ 168.712752][ C0] __schedule+0x9a8/0xcc0 [ 168.717171][ C0] schedule+0x181/0x210 [ 168.721320][ C0] worker_thread+0x10d6/0x1630 [ 168.726371][ C0] kthread+0x332/0x350 [ 168.730460][ C0] ? rcu_lock_release+0x30/0x30 [ 168.735314][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.739991][ C0] ret_from_fork+0x24/0x30