[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.669913][ T23] audit: type=1800 audit(1578447345.011:25): pid=8491 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.695828][ T23] audit: type=1800 audit(1578447345.011:26): pid=8491 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 59.733967][ T23] audit: type=1800 audit(1578447345.011:27): pid=8491 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 '10.128.0.2' (ECDSA) to the list of known hosts. 2020/01/08 01:35:53 fuzzer started syzkaller login: [ 68.600849][ T8648] cc1 (8648) used greatest stack depth: 23896 bytes left 2020/01/08 01:35:54 dialing manager at 10.128.0.26:35703 2020/01/08 01:35:54 syscalls: 2824 2020/01/08 01:35:54 code coverage: enabled 2020/01/08 01:35:54 comparison tracing: enabled 2020/01/08 01:35:54 extra coverage: enabled 2020/01/08 01:35:54 setuid sandbox: enabled 2020/01/08 01:35:54 namespace sandbox: enabled 2020/01/08 01:35:54 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:35:54 fault injection: enabled 2020/01/08 01:35:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:35:54 net packet injection: enabled 2020/01/08 01:35:54 net device setup: enabled 2020/01/08 01:35:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:35:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:35:55 executing program 0: r0 = socket$inet6(0xa, 0x801, 0x0) bind$inet6(r0, &(0x7f0000000080)={0xa, 0x4e20, 0x0, @ipv4={[], [], @broadcast}}, 0x1c) r1 = socket$inet6(0xa, 0x801, 0x0) bind$inet6(r1, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @ipv4={[], [], @multicast2}}, 0x1c) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) connect$inet6(r0, &(0x7f0000000200)={0xa, 0x0, 0x0, @local, 0xfff}, 0x1c) listen(r0, 0x0) 01:35:55 executing program 1: r0 = creat(&(0x7f0000000080)='./file1\x00', 0x0) write$UHID_GET_REPORT_REPLY(r0, &(0x7f0000000000), 0xa) fallocate(r0, 0x0, 0x0, 0x4005eed) fallocate(r0, 0x20, 0x0, 0x100008000) [ 70.656551][ T8656] IPVS: ftp: loaded support on port[0] = 21 [ 70.801233][ T8658] IPVS: ftp: loaded support on port[0] = 21 01:35:56 executing program 2: prctl$PR_MCE_KILL(0x23, 0x4, 0x7fffffffeffe) [ 70.858170][ T8656] chnl_net:caif_netlink_parms(): no params data found [ 70.949221][ T8656] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.957292][ T8656] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.966321][ T8656] device bridge_slave_0 entered promiscuous mode [ 71.000767][ T8656] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.016131][ T8656] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.023672][ T8656] device bridge_slave_1 entered promiscuous mode [ 71.081142][ T8658] chnl_net:caif_netlink_parms(): no params data found [ 71.099420][ T8656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.114974][ T8662] IPVS: ftp: loaded support on port[0] = 21 [ 71.140266][ T8656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:35:56 executing program 3: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = getpid() r4 = getpgrp(0x0) kcmp(r4, r3, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) [ 71.198263][ T8656] team0: Port device team_slave_0 added [ 71.208851][ T8656] team0: Port device team_slave_1 added [ 71.217577][ T8658] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.224649][ T8658] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.235332][ T8658] device bridge_slave_0 entered promiscuous mode [ 71.271398][ T8658] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.281283][ T8658] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.291674][ T8658] device bridge_slave_1 entered promiscuous mode [ 71.371586][ T8656] device hsr_slave_0 entered promiscuous mode 01:35:56 executing program 4: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000040)={&(0x7f0000000400)=ANY=[@ANYBLOB="9feb010018000000000000002800000028000000020000000000000000000003000000000a00000002000000090000000000000000000001ffffffff10000000000084bebdfc0c2b0300000042c39f058bb70b96a92594acaa05767bf844101ff5f0fc49f008efc2d91384131bbd9803e074d550e32dbc3aabbc966e4290804e9978cfc8a3dec7f1c758e66b65194b4a69ff4e1b2986c36dafcf673011c14eecb82aa42fee6a054e9cb8b3f0ae26dcee062fa5f31cef1f2369"], &(0x7f0000000100)=""/213, 0x42, 0x288, 0xfffffffffffffffd}, 0x20) [ 71.526150][ T8656] device hsr_slave_1 entered promiscuous mode [ 71.602072][ T8658] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.630441][ T8658] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 01:35:57 executing program 5: r0 = socket(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000000)={0x20000804}, 0x10) write(r0, &(0x7f0000000080)="1c0000001a009b8a14e5f4070009042402000000ff10000000000000", 0x103) [ 71.684316][ T8664] IPVS: ftp: loaded support on port[0] = 21 [ 71.692992][ T8658] team0: Port device team_slave_0 added [ 71.700882][ T8658] team0: Port device team_slave_1 added [ 71.702017][ T8667] IPVS: ftp: loaded support on port[0] = 21 [ 71.808918][ T8658] device hsr_slave_0 entered promiscuous mode [ 71.847026][ T8658] device hsr_slave_1 entered promiscuous mode [ 71.886952][ T8658] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.894730][ T8658] Cannot create hsr debugfs directory [ 71.932548][ T8662] chnl_net:caif_netlink_parms(): no params data found [ 71.954370][ T8656] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.963966][ T8670] IPVS: ftp: loaded support on port[0] = 21 [ 72.023677][ T8656] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.060552][ T8656] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.139604][ T8656] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.271863][ T8662] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.280073][ T8662] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.288088][ T8662] device bridge_slave_0 entered promiscuous mode [ 72.330379][ T8662] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.341014][ T8662] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.348898][ T8662] device bridge_slave_1 entered promiscuous mode [ 72.368512][ T8662] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.379510][ T8662] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.391687][ T8658] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 72.455722][ T8658] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.517009][ T8658] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.537925][ T8658] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.569666][ T8662] team0: Port device team_slave_0 added [ 72.578100][ T8662] team0: Port device team_slave_1 added [ 72.617868][ T8664] chnl_net:caif_netlink_parms(): no params data found [ 72.652788][ T8667] chnl_net:caif_netlink_parms(): no params data found [ 72.708970][ T8662] device hsr_slave_0 entered promiscuous mode [ 72.746213][ T8662] device hsr_slave_1 entered promiscuous mode [ 72.785906][ T8662] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.793492][ T8662] Cannot create hsr debugfs directory [ 72.905602][ T8667] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.914903][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.923448][ T8667] device bridge_slave_0 entered promiscuous mode [ 72.931408][ T8667] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.938562][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.946634][ T8667] device bridge_slave_1 entered promiscuous mode [ 72.965279][ T8664] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.973016][ T8664] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.980679][ T8664] device bridge_slave_0 entered promiscuous mode [ 72.991208][ T8664] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.999328][ T8664] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.007127][ T8664] device bridge_slave_1 entered promiscuous mode [ 73.018813][ T8670] chnl_net:caif_netlink_parms(): no params data found [ 73.053542][ T8658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.069769][ T8667] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.103365][ T8664] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.115448][ T8664] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.128874][ T8667] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.161205][ T8670] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.168857][ T8670] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.177236][ T8670] device bridge_slave_0 entered promiscuous mode [ 73.201520][ T8656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.210292][ T8670] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.219455][ T8670] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.228765][ T8670] device bridge_slave_1 entered promiscuous mode [ 73.237109][ T8667] team0: Port device team_slave_0 added [ 73.251920][ T8664] team0: Port device team_slave_0 added [ 73.260105][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.269006][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.277244][ T8662] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 73.339663][ T8658] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.352877][ T8667] team0: Port device team_slave_1 added [ 73.367871][ T8664] team0: Port device team_slave_1 added [ 73.373968][ T8662] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 73.444909][ T8656] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.453921][ T8670] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.508870][ T8667] device hsr_slave_0 entered promiscuous mode [ 73.547632][ T8667] device hsr_slave_1 entered promiscuous mode [ 73.605916][ T8667] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.613523][ T8667] Cannot create hsr debugfs directory [ 73.628637][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.637569][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.646073][ T3244] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.653210][ T3244] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.661160][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.669751][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.677771][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.686558][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.694949][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.702115][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.709855][ T8662] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 73.781787][ T8662] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.839088][ T8670] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.862033][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.870280][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.886172][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.894644][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.906632][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.967704][ T8664] device hsr_slave_0 entered promiscuous mode [ 74.016242][ T8664] device hsr_slave_1 entered promiscuous mode [ 74.056513][ T8664] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.064152][ T8664] Cannot create hsr debugfs directory [ 74.089629][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.100968][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.109769][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.118891][ T2745] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.126009][ T2745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.133829][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.149694][ T8670] team0: Port device team_slave_0 added [ 74.199278][ T8670] team0: Port device team_slave_1 added [ 74.218687][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.228273][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.237046][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.245622][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.254042][ T3244] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.261117][ T3244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.269555][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.277927][ T3244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.294591][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.303221][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.311739][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.320085][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.348937][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.368760][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.378884][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.387504][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.406175][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.414735][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.424113][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.432547][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.478026][ T8670] device hsr_slave_0 entered promiscuous mode [ 74.526262][ T8670] device hsr_slave_1 entered promiscuous mode [ 74.566024][ T8670] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.573667][ T8670] Cannot create hsr debugfs directory [ 74.592418][ T8656] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.609822][ T8656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.623766][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.634417][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.643078][ T8667] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.679580][ T8667] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.770158][ T8667] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.821589][ T8667] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.858969][ T8664] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.918981][ T8664] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.958420][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.966291][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.997232][ T8664] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 75.030473][ T8664] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 75.090075][ T8658] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.102276][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.110557][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.124305][ T8662] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.161500][ T8656] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.213143][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.221687][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.234488][ T8662] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.245592][ T8670] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.306745][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.315268][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.324770][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.333510][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.357467][ T8670] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.378649][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.390425][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.399010][ T3243] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.406081][ T3243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.413669][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.422580][ T3243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.431077][ T3243] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.438161][ T3243] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.467073][ T8670] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.502770][ T8670] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.547277][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.555134][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.563851][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.572292][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.581176][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.595462][ T8658] device veth0_vlan entered promiscuous mode [ 75.608121][ T8664] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.623098][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.632814][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.640875][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.649326][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.657805][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.666397][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.674616][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.683781][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.692217][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.700026][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.707800][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.718674][ T8656] device veth0_vlan entered promiscuous mode [ 75.741250][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.751527][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.760432][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.768600][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.778777][ T8664] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.793886][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.802594][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.811590][ T2745] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.818795][ T2745] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.826458][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.834888][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.843539][ T2745] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.850629][ T2745] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.858585][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.867262][ T2745] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.881531][ T8667] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.894575][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.906448][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.914653][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.935567][ T8656] device veth1_vlan entered promiscuous mode [ 75.958438][ T8658] device veth1_vlan entered promiscuous mode [ 75.996247][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.004477][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.012600][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.021769][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.030709][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.040298][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.049510][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.058287][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.068232][ T3199] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.083785][ T8667] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.103651][ T8664] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.115405][ T8664] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.136156][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.144510][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.172212][ T2740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 181.175766][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.182566][ C1] rcu: 1-...!: (10499 ticks this GP) idle=0e2/1/0x4000000000000002 softirq=15569/15569 fqs=0 [ 181.193081][ C1] (t=10500 jiffies g=7073 q=86) [ 181.198023][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g7073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 181.209284][ C1] rcu: RCU grace-period kthread stack dump: [ 181.215165][ C1] rcu_preempt I28984 10 2 0x80004000 [ 181.221496][ C1] Call Trace: [ 181.224786][ C1] __schedule+0x9a0/0xcc0 [ 181.229119][ C1] schedule+0x181/0x210 [ 181.233269][ C1] schedule_timeout+0x14f/0x240 [ 181.238109][ C1] ? run_local_timers+0x120/0x120 [ 181.243127][ C1] rcu_gp_kthread+0xed8/0x1770 [ 181.247895][ C1] kthread+0x332/0x350 [ 181.251953][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 181.257055][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.261636][ C1] ret_from_fork+0x24/0x30 [ 181.266085][ C1] NMI backtrace for cpu 1 [ 181.270407][ C1] CPU: 1 PID: 2740 Comm: kworker/1:19 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.278802][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.288855][ C1] Workqueue: events linkwatch_event [ 181.294036][ C1] Call Trace: [ 181.297308][ C1] [ 181.300155][ C1] dump_stack+0x1fb/0x318 [ 181.304492][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.309329][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.315473][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.321528][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.327504][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.333398][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.338533][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.343748][ C1] ? trace_hardirqs_off+0x74/0x80 [ 181.348776][ C1] update_process_times+0x12d/0x180 [ 181.353976][ C1] tick_sched_timer+0x263/0x420 [ 181.358822][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.364359][ C1] __hrtimer_run_queues+0x403/0x840 [ 181.369569][ C1] hrtimer_interrupt+0x38c/0xda0 [ 181.374516][ C1] ? debug_smp_processor_id+0x9/0x20 [ 181.379795][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 181.385329][ C1] apic_timer_interrupt+0xf/0x20 [ 181.390251][ C1] [ 181.393184][ C1] RIP: 0010:__memcg_kmem_uncharge+0x8/0x1a0 [ 181.399069][ C1] Code: 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 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 [ 181.418660][ C1] RSP: 0018:ffffc90007ccf6e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.427061][ C1] RAX: ffffffff81489244 RBX: ffffea00021d06c0 RCX: ffff88809fbd4240 [ 181.435022][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00021d06c0 [ 181.442985][ C1] RBP: ffffc90007ccf6f0 R08: dffffc0000000000 R09: fffffbfff124248a [ 181.451311][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880a7d815a0 [ 181.459270][ C1] R13: dffffc0000000000 R14: 1ffff11014fb02b4 R15: ffff8880995634b8 [ 181.467257][ C1] ? free_thread_stack+0x124/0x590 [ 181.472366][ C1] free_thread_stack+0x12e/0x590 [ 181.477299][ C1] put_task_stack+0xa3/0x130 [ 181.481878][ C1] finish_task_switch+0x3f1/0x550 [ 181.486913][ C1] __schedule+0x9a8/0xcc0 [ 181.491239][ C1] ? ___preempt_schedule+0x16/0x18 [ 181.496339][ C1] preempt_schedule+0xdb/0x120 [ 181.501092][ C1] ___preempt_schedule+0x16/0x18 [ 181.506017][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 181.510678][ C1] ? vprintk_emit+0x368/0x3a0 [ 181.515343][ C1] vprintk_emit+0x36d/0x3a0 [ 181.519842][ C1] vprintk_default+0x28/0x30 [ 181.525291][ C1] vprintk_func+0x158/0x170 [ 181.529813][ C1] printk+0x62/0x8d [ 181.533639][ C1] ? addrconf_notify+0xd37/0x3c90 [ 181.538669][ C1] ? addrconf_notify+0x779/0x3c90 [ 181.543691][ C1] addrconf_notify+0x2c8d/0x3c90 [ 181.548642][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 181.553927][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 181.559316][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 181.564862][ C1] ? trace_hardirqs_on+0x74/0x80 [ 181.569806][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 181.575287][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 181.580831][ C1] ? tls_dev_event+0x619/0xc00 [ 181.585591][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 181.591152][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 181.596367][ C1] raw_notifier_call_chain+0xec/0x190 [ 181.601739][ C1] netdev_state_change+0x147/0x1f0 [ 181.606867][ C1] linkwatch_do_dev+0x10e/0x160 [ 181.611732][ C1] __linkwatch_run_queue+0x446/0x730 [ 181.617036][ C1] linkwatch_event+0x4c/0x60 [ 181.621635][ C1] process_one_work+0x7ef/0x10d0 [ 181.626586][ C1] worker_thread+0xc01/0x1630 [ 181.631292][ C1] kthread+0x332/0x350 [ 181.635353][ C1] ? rcu_lock_release+0x30/0x30 [ 181.640195][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.644793][ C1] ret_from_fork+0x24/0x30