[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.260164][ T27] audit: type=1800 audit(1578447369.257:25): pid=8298 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.278981][ T27] audit: type=1800 audit(1578447369.257:26): pid=8298 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.324131][ T27] audit: type=1800 audit(1578447369.257:27): pid=8298 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 '10.128.10.5' (ECDSA) to the list of known hosts. 2020/01/08 01:36:18 fuzzer started 2020/01/08 01:36:19 dialing manager at 10.128.0.26:35703 2020/01/08 01:36:19 syscalls: 2824 2020/01/08 01:36:19 code coverage: enabled 2020/01/08 01:36:19 comparison tracing: enabled 2020/01/08 01:36:19 extra coverage: enabled 2020/01/08 01:36:19 setuid sandbox: enabled 2020/01/08 01:36:19 namespace sandbox: enabled 2020/01/08 01:36:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:36:19 fault injection: enabled 2020/01/08 01:36:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:36:19 net packet injection: enabled 2020/01/08 01:36:19 net device setup: enabled 2020/01/08 01:36:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:36:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:36:20 executing program 0: r0 = syz_open_dev$sndseq(&(0x7f0000000600)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a85320, &(0x7f0000068f50)={{0x80}, 'port0\x00', 0xc3, 0x80003}) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x406, 0x0) dup2(r0, r1) 01:36:20 executing program 1: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x258, &(0x7f0000000100)={&(0x7f0000000900)=ANY=[@ANYBLOB="24000000040819030000000000000000000000000800020000020000080003000180ffed"], 0x1c1}}, 0x0) r0 = socket(0x10, 0x80002, 0xc) sendmmsg$alg(r0, &(0x7f0000000140), 0xffffffffffffff68, 0x0) syzkaller login: [ 63.677330][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 63.826629][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 63.890739][ T8472] IPVS: ftp: loaded support on port[0] = 21 [ 63.929398][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state 01:36:20 executing program 2: r0 = open(&(0x7f0000000000)='./bus\x00', 0x100000000041042, 0x0) fallocate(r0, 0x1, 0x100000001, 0x1) pwritev(r0, &(0x7f0000000180)=[{&(0x7f0000000080)=',', 0x1}], 0x1, 0x0) fallocate(r0, 0x20, 0x0, 0xfffffeff000) [ 63.936521][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.945568][ T8469] device bridge_slave_0 entered promiscuous mode [ 63.971808][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.978904][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.988390][ T8469] device bridge_slave_1 entered promiscuous mode [ 64.074194][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.094896][ T8472] chnl_net:caif_netlink_parms(): no params data found [ 64.113857][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.165350][ T8469] team0: Port device team_slave_0 added [ 64.179206][ T8472] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.188540][ T8472] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.197142][ T8472] device bridge_slave_0 entered promiscuous mode [ 64.206669][ T8469] team0: Port device team_slave_1 added 01:36:21 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000400)='./file0\x00', &(0x7f0000000280)='tmpfs\x00', 0x0, 0x0) mount$bpf(0x0, &(0x7f00000002c0)='./file0\x00', 0x0, 0x61, &(0x7f0000000140)=ANY=[@ANYBLOB='mode^0000000K000000000000000,5']) [ 64.230738][ T8472] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.238428][ T8472] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.247288][ T8472] device bridge_slave_1 entered promiscuous mode [ 64.278317][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 64.322054][ T8469] device hsr_slave_0 entered promiscuous mode [ 64.359619][ T8469] device hsr_slave_1 entered promiscuous mode 01:36:21 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0x501, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, @bond={{0xc, 0x1, 'bond\x00'}, {0x14, 0x2, [@IFLA_BOND_AD_USER_PORT_KEY={0x8}, @IFLA_BOND_MODE={0x8, 0x1, 0x4}]}}}]}, 0x44}}, 0x0) [ 64.443092][ T8472] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.477788][ T8477] IPVS: ftp: loaded support on port[0] = 21 [ 64.497056][ T8472] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.567792][ T8472] team0: Port device team_slave_0 added [ 64.602178][ T8472] team0: Port device team_slave_1 added [ 64.670580][ T8475] chnl_net:caif_netlink_parms(): no params data found 01:36:21 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/if_inet6\x00') preadv(r2, &(0x7f0000000540)=[{0x0}, {&(0x7f0000000300)=""/232, 0xe8}], 0x2, 0x0) [ 64.792313][ T8472] device hsr_slave_0 entered promiscuous mode [ 64.841980][ T8472] device hsr_slave_1 entered promiscuous mode [ 64.879488][ T8472] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.887236][ T8472] Cannot create hsr debugfs directory [ 64.911278][ T8469] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.963272][ T8469] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.021968][ T8469] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.085884][ T8469] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.154136][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 65.154162][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 65.231470][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.238531][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.246813][ T8475] device bridge_slave_0 entered promiscuous mode [ 65.256959][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.264109][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.272757][ T8475] device bridge_slave_1 entered promiscuous mode [ 65.310747][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.345353][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.364447][ T8477] chnl_net:caif_netlink_parms(): no params data found [ 65.433504][ T8475] team0: Port device team_slave_0 added [ 65.468390][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 65.485831][ T8477] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.492961][ T8477] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.501392][ T8477] device bridge_slave_0 entered promiscuous mode [ 65.512511][ T8477] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.520122][ T8477] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.527831][ T8477] device bridge_slave_1 entered promiscuous mode [ 65.536061][ T8475] team0: Port device team_slave_1 added [ 65.601335][ T8475] device hsr_slave_0 entered promiscuous mode [ 65.649888][ T8475] device hsr_slave_1 entered promiscuous mode [ 65.689786][ T8475] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.697502][ T8475] Cannot create hsr debugfs directory [ 65.718790][ T8472] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.761245][ T8472] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.815143][ T8472] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.874721][ T8472] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.946428][ T8477] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.996361][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 66.007303][ T8477] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.057320][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.065410][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.073616][ T8480] device bridge_slave_0 entered promiscuous mode [ 66.090946][ T8477] team0: Port device team_slave_0 added [ 66.098584][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.105759][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.114147][ T8480] device bridge_slave_1 entered promiscuous mode [ 66.141357][ T8477] team0: Port device team_slave_1 added [ 66.163588][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.177481][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.184892][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.194101][ T8482] device bridge_slave_0 entered promiscuous mode [ 66.212373][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.220691][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.235062][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.242361][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.250507][ T8482] device bridge_slave_1 entered promiscuous mode [ 66.299832][ T8480] team0: Port device team_slave_0 added [ 66.306889][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.318448][ T8475] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.356550][ T8475] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.404831][ T8480] team0: Port device team_slave_1 added [ 66.415694][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.451576][ T8477] device hsr_slave_0 entered promiscuous mode [ 66.499875][ T8477] device hsr_slave_1 entered promiscuous mode [ 66.549488][ T8477] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.557129][ T8477] Cannot create hsr debugfs directory [ 66.562963][ T8475] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.632361][ T8475] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.695812][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.704087][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.725864][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.743360][ T8482] team0: Port device team_slave_0 added [ 66.761127][ T8482] team0: Port device team_slave_1 added [ 66.831156][ T8480] device hsr_slave_0 entered promiscuous mode [ 66.889632][ T8480] device hsr_slave_1 entered promiscuous mode [ 66.929446][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.937021][ T8480] Cannot create hsr debugfs directory [ 66.970167][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.980118][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.988660][ T3033] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.996559][ T3033] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.006700][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.082096][ T8482] device hsr_slave_0 entered promiscuous mode [ 67.159767][ T8482] device hsr_slave_1 entered promiscuous mode [ 67.209434][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.216998][ T8482] Cannot create hsr debugfs directory [ 67.229718][ T8472] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.249391][ T2981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.257904][ T2981] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.267021][ T2981] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.274131][ T2981] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.297157][ T8472] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.321918][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.335801][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.344278][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.352635][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.360389][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.368796][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.377285][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.403363][ T8477] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.443595][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.452535][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.461452][ T2736] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.468491][ T2736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.477772][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.486730][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.495127][ T2736] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.502224][ T2736] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.510460][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.518949][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.538759][ T8469] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.550042][ T8469] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.565932][ T8477] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.631083][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.639018][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.647385][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.656005][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.665316][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.673675][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.695985][ T8477] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.761716][ T8477] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.807343][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.865712][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.873234][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.882517][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.891396][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.927918][ T8469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.936651][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.945934][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.954645][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.963125][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.972092][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.980599][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.988985][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.997417][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.005104][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.013239][ T8472] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.035866][ T8482] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.083875][ T8482] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.141325][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.156801][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.169120][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.177019][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.185799][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.194211][ T2736] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.201404][ T2736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.208981][ T2736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.217291][ T8482] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.300003][ T8480] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.331137][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.343258][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.351978][ T8482] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.407005][ T8472] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.429114][ T8480] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.451452][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.463208][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.471720][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.483377][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.491842][ T3033] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.498889][ T3033] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.506790][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.516048][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.525739][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.534062][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.542906][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.551513][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.562154][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.569838][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.577402][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.586850][ T8469] device veth0_vlan entered promiscuous mode [ 68.600398][ T8469] device veth1_vlan entered promiscuous mode [ 68.607149][ T8480] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.655064][ T8480] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.707388][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.718335][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.727097][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.735706][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.744803][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.783568][ T2981] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.794546][ T2981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.803594][ T2981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.823463][ T8477] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.832894][ T8472] device veth0_vlan entered promiscuous mode [ 68.851955][ T8475] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.868057][ T8475] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.883773][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.892159][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.899862][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.908024][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.917068][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.926158][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.936097][ T3033] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.986157][ T8472] device veth1_vlan entered promiscuous mode [ 68.996759][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.014611][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.029093][ T2937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 173.999268][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 174.006227][ C1] rcu: 1-...!: (10499 ticks this GP) idle=866/1/0x4000000000000002 softirq=13942/13942 fqs=2 [ 174.017691][ C1] (t=10500 jiffies g=6621 q=67) [ 174.022636][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g6621 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 174.034166][ C1] rcu: RCU grace-period kthread stack dump: [ 174.040058][ C1] rcu_preempt I28984 10 2 0x80004000 [ 174.046388][ C1] Call Trace: [ 174.049677][ C1] __schedule+0x9a0/0xcc0 [ 174.054097][ C1] schedule+0x181/0x210 [ 174.058251][ C1] schedule_timeout+0x14f/0x240 [ 174.063089][ C1] ? run_local_timers+0x120/0x120 [ 174.068107][ C1] rcu_gp_kthread+0xed8/0x1770 [ 174.072868][ C1] kthread+0x332/0x350 [ 174.076922][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 174.082023][ C1] ? kthread_blkcg+0xe0/0xe0 [ 174.086604][ C1] ret_from_fork+0x24/0x30 [ 174.091041][ C1] NMI backtrace for cpu 1 [ 174.095381][ C1] CPU: 1 PID: 8469 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 174.103968][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.114018][ C1] Call Trace: [ 174.117293][ C1] [ 174.121450][ C1] dump_stack+0x1fb/0x318 [ 174.125788][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 174.130631][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 174.136774][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 174.142837][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 174.148809][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 174.154716][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 174.159831][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 174.165026][ C1] ? trace_hardirqs_off+0x74/0x80 [ 174.170130][ C1] update_process_times+0x12d/0x180 [ 174.175317][ C1] tick_sched_timer+0x263/0x420 [ 174.180163][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 174.185700][ C1] __hrtimer_run_queues+0x403/0x840 [ 174.190902][ C1] hrtimer_interrupt+0x38c/0xda0 [ 174.195844][ C1] ? debug_smp_processor_id+0x9/0x20 [ 174.201121][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 174.206668][ C1] apic_timer_interrupt+0xf/0x20 [ 174.211679][ C1] [ 174.214627][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 174.220711][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 [ 174.240312][ C1] RSP: 0018:ffffc90001f97bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.248713][ C1] RAX: 1ffff11013ca7b21 RBX: ffffea00027eb500 RCX: ffff8880a28d4100 [ 174.256673][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027eb500 [ 174.264643][ C1] RBP: ffffc90001f97c08 R08: dffffc0000000000 R09: fffffbfff124248a [ 174.272779][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809e53d9a0 [ 174.280753][ C1] R13: dffffc0000000000 R14: 1ffff11013ca7b34 R15: ffff8880937c73f8 [ 174.288740][ C1] ? free_thread_stack+0x124/0x590 [ 174.293846][ C1] put_task_stack+0xa3/0x130 [ 174.298438][ C1] finish_task_switch+0x3f1/0x550 [ 174.303549][ C1] __schedule+0x9a8/0xcc0 [ 174.307877][ C1] schedule+0x181/0x210 [ 174.312024][ C1] do_nanosleep+0x1d0/0x6c0 [ 174.316586][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 174.321549][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 174.327357][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 174.332554][ C1] do_syscall_64+0xf7/0x1c0 [ 174.337079][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.342964][ C1] RIP: 0033:0x4593f0 [ 174.346867][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 174.368838][ C1] RSP: 002b:00007fff21b27938 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 174.377262][ C1] RAX: ffffffffffffffda RBX: 0000000000010d62 RCX: 00000000004593f0 [ 174.385257][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff21b27940 [ 174.393236][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000024ce940 [ 174.401212][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 174.409182][ C1] R13: 00007fff21b27990 R14: 0000000000010d62 R15: 00007fff21b279a0