[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.107953][ T23] audit: type=1800 audit(1575433533.208:25): pid=8063 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.127198][ T23] audit: type=1800 audit(1575433533.218:26): pid=8063 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.158594][ T23] audit: type=1800 audit(1575433533.218:27): pid=8063 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 '10.128.10.47' (ECDSA) to the list of known hosts. 2019/12/04 04:25:44 fuzzer started 2019/12/04 04:25:46 dialing manager at 10.128.0.26:42111 2019/12/04 04:25:46 syscalls: 2689 2019/12/04 04:25:46 code coverage: enabled 2019/12/04 04:25:46 comparison tracing: enabled 2019/12/04 04:25:46 extra coverage: extra coverage is not supported by the kernel 2019/12/04 04:25:46 setuid sandbox: enabled 2019/12/04 04:25:46 namespace sandbox: enabled 2019/12/04 04:25:46 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 04:25:46 fault injection: enabled 2019/12/04 04:25:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 04:25:46 net packet injection: enabled 2019/12/04 04:25:46 net device setup: enabled 2019/12/04 04:25:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 04:25:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:25:47 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f00000000c0)={0x77359400}, 0x10) getsockopt$sock_buf(r2, 0x1, 0x15, &(0x7f0000b56f40)=""/192, &(0x7f0000000040)=0xc0) 04:25:47 executing program 1: openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net\x00\x00\x00\x00\x00\x00\x00\a/expire_nodest_conn\x00', 0x2, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) getdents64(r0, &(0x7f0000000140)=""/46, 0x352) getdents64(r0, 0x0, 0x0) syzkaller login: [ 58.168951][ T8227] IPVS: ftp: loaded support on port[0] = 21 04:25:47 executing program 2: r0 = syz_open_dev$loop(&(0x7f00000004c0)='/dev/loop#\x00', 0x0, 0x105082) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = memfd_create(&(0x7f0000000080)='\xfaIhFlK\x99F\x17\x16\xa5>\xd3\xc0\x93\xb5.\xda\x06_bT\x1cB\xdb\xf8y1\xe7,\x03\x98h\x86(\xa0m\x87+x\x14i\x88\xcd\x89\x81\xfb\x86', 0x0) pwritev(r4, &(0x7f0000f50f90)=[{&(0x7f00000000c0)='S', 0x1}], 0x1, 0x4081003) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r4) fallocate(r0, 0x11, 0x0, 0x100000001) [ 58.347031][ T8230] IPVS: ftp: loaded support on port[0] = 21 [ 58.358697][ T8227] chnl_net:caif_netlink_parms(): no params data found [ 58.520330][ T8227] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.531361][ T8227] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.539581][ T8227] device bridge_slave_0 entered promiscuous mode [ 58.548626][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.557172][ T8227] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.565530][ T8227] device bridge_slave_1 entered promiscuous mode 04:25:47 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_tcp(0x2, 0x1, 0x0) r3 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000080)={'vlan0\x00', 0x1000000802}) ioctl$sock_inet_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000000)={'vlan0\x00\x00\xf6\xff\xff\xff\xff\xff\xff\xff\x00', {0x2, 0x0, @loopback}}) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r4, 0x0, 0x27, &(0x7f00007e6000)={@multicast2, @loopback}, 0xc) dup3(r2, r3, 0x0) [ 58.592479][ T8233] IPVS: ftp: loaded support on port[0] = 21 [ 58.605766][ T8227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.619442][ T8227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.629635][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 58.694402][ T8227] team0: Port device team_slave_0 added [ 58.714414][ T8227] team0: Port device team_slave_1 added 04:25:47 executing program 4: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0x3}, 0x3c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r0, 0x28, &(0x7f0000000040)={0x0, 0x0}}, 0x10) r2 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000000)={r1, 0x0, 0x8}, 0xc) bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000100)={r2, 0x0, 0x0}, 0x20) [ 58.813140][ T8227] device hsr_slave_0 entered promiscuous mode [ 58.881541][ T8227] device hsr_slave_1 entered promiscuous mode [ 58.995668][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.020530][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.028268][ T8230] device bridge_slave_0 entered promiscuous mode [ 59.051182][ T8235] IPVS: ftp: loaded support on port[0] = 21 [ 59.071996][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 59.082973][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.090039][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.098475][ T8230] device bridge_slave_1 entered promiscuous mode 04:25:48 executing program 5: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x2, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0xff000000, 0x2f}, [@ldst={0x2, 0x0, 0x3, 0xa, 0x0, 0xff00}]}, &(0x7f0000003ff6)='G\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1f2, 0x10, &(0x7f0000000000), 0xfffffe51}, 0x48) [ 59.203902][ T8233] chnl_net:caif_netlink_parms(): no params data found [ 59.269406][ T8227] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.333936][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.360042][ T8227] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.437621][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.462621][ T8227] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.502070][ T8227] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.510345][ T8240] IPVS: ftp: loaded support on port[0] = 21 [ 59.551805][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.558904][ T8233] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.568719][ T8233] device bridge_slave_0 entered promiscuous mode [ 59.578292][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.585488][ T8233] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.593918][ T8233] device bridge_slave_1 entered promiscuous mode [ 59.609539][ T8230] team0: Port device team_slave_0 added [ 59.622738][ T8230] team0: Port device team_slave_1 added [ 59.733796][ T8230] device hsr_slave_0 entered promiscuous mode [ 59.780724][ T8230] device hsr_slave_1 entered promiscuous mode [ 59.850659][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.860066][ T8233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.915543][ T8233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.956547][ T8233] team0: Port device team_slave_0 added [ 59.965833][ T8233] team0: Port device team_slave_1 added [ 59.972748][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 59.988143][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 60.013399][ T8230] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.055402][ T8230] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.104344][ T8230] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.153474][ T8230] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.235868][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.243813][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.252449][ T8235] device bridge_slave_0 entered promiscuous mode [ 60.263562][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.271512][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.279443][ T8235] device bridge_slave_1 entered promiscuous mode [ 60.305741][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.342345][ T8233] device hsr_slave_0 entered promiscuous mode [ 60.380886][ T8233] device hsr_slave_1 entered promiscuous mode [ 60.432970][ T8233] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.453656][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.460902][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.469049][ T8237] device bridge_slave_0 entered promiscuous mode [ 60.477499][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.484689][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.492304][ T8237] device bridge_slave_1 entered promiscuous mode [ 60.500083][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.586879][ T8233] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.634214][ T8233] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.702666][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.713604][ T8235] team0: Port device team_slave_0 added [ 60.720808][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.741345][ T8233] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.783822][ T8233] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.862994][ T8235] team0: Port device team_slave_1 added [ 60.880236][ T8237] team0: Port device team_slave_0 added [ 60.898544][ T8237] team0: Port device team_slave_1 added [ 60.908955][ T8240] chnl_net:caif_netlink_parms(): no params data found [ 60.942508][ T8227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.982472][ T8235] device hsr_slave_0 entered promiscuous mode [ 61.031770][ T8235] device hsr_slave_1 entered promiscuous mode [ 61.070654][ T8235] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.092354][ T8227] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.153354][ T8237] device hsr_slave_0 entered promiscuous mode [ 61.190888][ T8237] device hsr_slave_1 entered promiscuous mode [ 61.260551][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.278525][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.287083][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.306581][ T8230] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.337409][ T8240] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.345265][ T8240] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.353924][ T8240] device bridge_slave_0 entered promiscuous mode [ 61.362707][ T8240] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.369764][ T8240] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.377420][ T8240] device bridge_slave_1 entered promiscuous mode [ 61.385759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.395495][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.403912][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.411091][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.418940][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.428398][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.436861][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.443966][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.453210][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.461034][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.468632][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.477702][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.513495][ T8230] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.523878][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.533147][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.541865][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.550220][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.574632][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.585434][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.601806][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.614059][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.623178][ T8241] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.630323][ T8241] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.640843][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.649119][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.659721][ T8240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.672887][ T8235] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.725605][ T8235] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.782624][ T8235] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.822956][ T8235] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.869410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.877598][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.886601][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.895801][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.903268][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.912240][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.922055][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.932273][ T8240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.972346][ T8227] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.984227][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.992763][ T8237] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.036038][ T8237] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.095226][ T8230] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.106415][ T8230] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.128708][ T8240] team0: Port device team_slave_0 added [ 62.136446][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.147799][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.157300][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.167394][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.176084][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.184485][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.193726][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.202312][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.210896][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.219161][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.228638][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.237354][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.249360][ T8233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.256448][ T8237] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.341603][ T8240] team0: Port device team_slave_1 added [ 62.402293][ T8240] device hsr_slave_0 entered promiscuous mode [ 62.451579][ T8240] device hsr_slave_1 entered promiscuous mode [ 62.490598][ T8240] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.499887][ T8237] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.568820][ T8233] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.596137][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.604344][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.612549][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.620128][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.628321][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.636099][ T8244] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.664365][ T8227] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.680119][ T8230] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.721012][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.730100][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.744665][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.751803][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.759556][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.768426][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.777160][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.784260][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.792148][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.801027][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.817528][ T8235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.829403][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.850687][ T8240] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.898320][ T8235] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.914686][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.933736][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.949345][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.959448][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.973432][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.984563][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.995556][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.006062][ T8241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.020279][ T8233] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.041034][ T8233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.049004][ T8240] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 167.950377][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.957247][ C0] rcu: 0-....: (10499 ticks this GP) idle=0a2/1/0x4000000000000002 softirq=11013/11013 fqs=2745 [ 167.968016][ C0] (t=10500 jiffies g=6557 q=204) [ 167.973036][ C0] rcu: rcu_preempt kthread starved for 4981 jiffies! g6557 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.984037][ C0] rcu: RCU grace-period kthread stack dump: [ 167.989946][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 167.997841][ C0] Call Trace: [ 168.001133][ C0] __schedule+0x9a0/0xcc0 [ 168.005470][ C0] schedule+0x181/0x210 [ 168.009637][ C0] schedule_timeout+0x14f/0x240 [ 168.014482][ C0] ? run_local_timers+0x120/0x120 [ 168.019503][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.024270][ C0] kthread+0x332/0x350 [ 168.028329][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.033589][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.038191][ C0] ret_from_fork+0x24/0x30 [ 168.042635][ C0] NMI backtrace for cpu 0 [ 168.046958][ C0] CPU: 0 PID: 8249 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 168.055184][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.065316][ C0] Call Trace: [ 168.068688][ C0] [ 168.071529][ C0] dump_stack+0x1fb/0x318 [ 168.075851][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.080705][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.086851][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.092921][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.099000][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.104920][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.110204][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.115572][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.120592][ C0] update_process_times+0x12d/0x180 [ 168.125796][ C0] tick_sched_timer+0x263/0x420 [ 168.130637][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.136197][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.141507][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.146546][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.151827][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.157386][ C0] apic_timer_interrupt+0xf/0x20 [ 168.162520][ C0] [ 168.165453][ C0] RIP: 0010:mod_memcg_page_state+0x2b/0x190 [ 168.172029][ C0] Code: 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 00 00 00 00 fc ff df <42> 80 3c 20 00 74 08 48 89 df e8 b6 9f 69 00 48 8b 1b 48 85 db 0f [ 168.191900][ C0] RSP: 0018:ffffc90002627768 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 [ 168.200312][ C0] RAX: 1ffffd400047d16f RBX: ffffea00023e8b78 RCX: ffff8880988ec200 [ 168.208277][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023e8b40 [ 168.216260][ C0] RBP: ffffc90002627788 R08: 000000000003a768 R09: fffffbfff120248a [ 168.224312][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 168.232447][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a7c279e8 [ 168.240524][ C0] ? mod_memcg_page_state+0x16/0x190 [ 168.245801][ C0] free_thread_stack+0x168/0x590 [ 168.250735][ C0] put_task_stack+0xa3/0x130 [ 168.255318][ C0] finish_task_switch+0x3f1/0x550 [ 168.260449][ C0] __schedule+0x9a8/0xcc0 [ 168.264780][ C0] preempt_schedule_irq+0xc1/0x140 [ 168.269975][ C0] retint_kernel+0x1b/0x2b [ 168.274382][ C0] RIP: 0010:check_memory_region+0x8/0x2e0 [ 168.280087][ C0] Code: db 48 c7 c7 63 73 bf 88 4c 89 fe 31 c0 e8 03 8b ad ff eb cf cc cc cc cc cc cc cc cc cc cc cc cc cc cc 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 b0 01 48 85 f6 0f 84 fd 01 00 00 48 89 fb 48 c1 eb [ 168.299787][ C0] RSP: 0018:ffffc900026279e0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 168.308193][ C0] RAX: ffffffff81cab0ad RBX: 0000000000000003 RCX: ffffffff81cab0ba [ 168.316155][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88808ecd7108 [ 168.324218][ C0] RBP: ffffc900026279f0 R08: ffffffff81cab0a4 R09: ffffed1011d9ae22 [ 168.332190][ C0] R10: ffffed1011d9ae22 R11: 0000000000000000 R12: 000000000000000b [ 168.340148][ C0] R13: dffffc0000000000 R14: ffff88808ecd7108 R15: 00000000ffffffc3 [ 168.348132][ C0] ? __brelse+0x44/0xa0 [ 168.352361][ C0] ? __brelse+0x4d/0xa0 [ 168.356504][ C0] ? __brelse+0x5a/0xa0 [ 168.360671][ C0] __kasan_check_write+0x14/0x20 [ 168.365685][ C0] __brelse+0x5a/0xa0 [ 168.369654][ C0] ext4_xattr_ibody_get+0x5d6/0xa90 [ 168.374851][ C0] ext4_xattr_get+0x115/0x840 [ 168.379531][ C0] ext4_xattr_security_get+0x32/0x40 [ 168.384813][ C0] ? ext4_initxattrs+0x110/0x110 [ 168.389828][ C0] __vfs_getxattr+0x3b7/0x3f0 [ 168.394503][ C0] smack_d_instantiate+0xaf0/0xd70 [ 168.399615][ C0] security_d_instantiate+0xa5/0x100 [ 168.404895][ C0] d_instantiate_new+0x65/0x120 [ 168.409743][ C0] ext4_add_nondir+0x1e9/0x260 [ 168.414498][ C0] ext4_symlink+0x919/0xf60 [ 168.419009][ C0] vfs_symlink+0x36f/0x4f0 [ 168.423422][ C0] do_symlinkat+0x187/0x3f0 [ 168.427919][ C0] __x64_sys_symlink+0x60/0x70 [ 168.432886][ C0] do_syscall_64+0xf7/0x1c0 [ 168.437397][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.443404][ C0] RIP: 0033:0x45a3a7 [ 168.447345][ C0] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.466972][ C0] RSP: 002b:00007ffd51333c58 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 168.475378][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a3a7 [ 168.483423][ C0] RDX: 00007ffd51333cf3 RSI: 00000000004c00e9 RDI: 00007ffd51333ce0 [ 168.491399][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 [ 168.499456][ C0] R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 [ 168.507423][ C0] R13: 00007ffd51333c90 R14: 0000000000000000 R15: 00007ffd51333ca0