[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.115399][ T26] audit: type=1800 audit(1578472199.436:25): pid=8279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.135499][ T26] audit: type=1800 audit(1578472199.436:26): pid=8279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.169628][ T26] audit: type=1800 audit(1578472199.436:27): pid=8279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.195' (ECDSA) to the list of known hosts. 2020/01/08 08:30:10 fuzzer started 2020/01/08 08:30:12 dialing manager at 10.128.0.26:35703 2020/01/08 08:30:12 syscalls: 2824 2020/01/08 08:30:12 code coverage: enabled 2020/01/08 08:30:12 comparison tracing: enabled 2020/01/08 08:30:12 extra coverage: enabled 2020/01/08 08:30:12 setuid sandbox: enabled 2020/01/08 08:30:12 namespace sandbox: enabled 2020/01/08 08:30:12 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:30:12 fault injection: enabled 2020/01/08 08:30:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:30:12 net packet injection: enabled 2020/01/08 08:30:12 net device setup: enabled 2020/01/08 08:30:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:30:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:30:13 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) getpid() r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x1001000004e23, 0x0, @loopback}, 0x1c) listen(r0, 0x4) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) r2 = accept(r0, 0x0, 0x0) write(r1, &(0x7f0000000100), 0x1ede5) sendto$packet(r2, &(0x7f0000000040)='u', 0x1, 0x10, 0x0, 0x0) 08:30:13 executing program 1: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x9, &(0x7f0000000000)=0x20000005, 0x4) r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nullb0\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000d, 0x12, r1, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x9, 0x0, &(0x7f00000000c0)) syzkaller login: [ 60.595972][ T8443] IPVS: ftp: loaded support on port[0] = 21 [ 60.678402][ T8445] IPVS: ftp: loaded support on port[0] = 21 08:30:14 executing program 2: creat(&(0x7f0000000040)='./bus\x00', 0x0) lsetxattr$security_ima(&(0x7f0000000080)='./bus\x00', &(0x7f00000000c0)='security.ima\x00', &(0x7f0000000100)=@ng={0x4, 0x8}, 0x2, 0x0) open(&(0x7f00000004c0)='./bus\x00', 0x0, 0x0) [ 60.783547][ T8443] chnl_net:caif_netlink_parms(): no params data found [ 60.859190][ T8443] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.866658][ T8443] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.874734][ T8443] device bridge_slave_0 entered promiscuous mode [ 60.885376][ T8443] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.892547][ T8443] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.900487][ T8443] device bridge_slave_1 entered promiscuous mode [ 60.920608][ T8443] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.930143][ T8445] chnl_net:caif_netlink_parms(): no params data found [ 60.959979][ T8443] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.992178][ T8443] team0: Port device team_slave_0 added [ 61.004600][ T8443] team0: Port device team_slave_1 added 08:30:14 executing program 3: write$P9_RGETLOCK(0xffffffffffffffff, &(0x7f0000000240)=ANY=[@ANYBLOB="acc93f2fc772c4a6"], 0x8) r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r1) r2 = add_key$keyring(&(0x7f0000000200)='keyring\x00', &(0x7f0000000240)={'syz', 0x2}, 0x0, 0x0, 0xffffffffffffffff) keyctl$describe(0x6, r2, 0x0, 0x0) [ 61.089178][ T8443] device hsr_slave_0 entered promiscuous mode [ 61.146952][ T8443] device hsr_slave_1 entered promiscuous mode [ 61.209065][ T8445] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.216138][ T8445] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.237390][ T8445] device bridge_slave_0 entered promiscuous mode [ 61.250763][ T8445] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.265783][ T8445] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.273857][ T8445] device bridge_slave_1 entered promiscuous mode [ 61.298743][ T8451] IPVS: ftp: loaded support on port[0] = 21 [ 61.313704][ T8445] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.333878][ T8449] IPVS: ftp: loaded support on port[0] = 21 [ 61.359763][ T8445] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:30:14 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x10, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x161, 0x11, 0x3c}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x622, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 61.419515][ T8445] team0: Port device team_slave_0 added [ 61.442447][ T8445] team0: Port device team_slave_1 added [ 61.489168][ T8445] device hsr_slave_0 entered promiscuous mode [ 61.546801][ T8445] device hsr_slave_1 entered promiscuous mode [ 61.586586][ T8445] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.594396][ T8445] Cannot create hsr debugfs directory 08:30:15 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'\x00', 0x2ee6bc40dbce6995}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={'\x00', 0x2ee6bc40dbce6995}) ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000040)={'nr0\x00', 0x400}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000640)={&(0x7f0000000000)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}, @IFLA_PROTO_DOWN={0x8, 0xd}]}, 0x30}}, 0x0) [ 61.684385][ T8453] IPVS: ftp: loaded support on port[0] = 21 [ 61.719453][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 61.806751][ T8443] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.842782][ T8443] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.900772][ T8443] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.996949][ T8457] IPVS: ftp: loaded support on port[0] = 21 [ 62.005883][ T8443] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 62.056025][ T8449] chnl_net:caif_netlink_parms(): no params data found [ 62.105460][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.114061][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.122337][ T8451] device bridge_slave_0 entered promiscuous mode [ 62.130896][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.138142][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.145843][ T8451] device bridge_slave_1 entered promiscuous mode [ 62.152793][ T8445] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.190815][ T8445] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.240679][ T8445] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.301036][ T8445] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.364850][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.411774][ T8449] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.419188][ T8449] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.427062][ T8449] device bridge_slave_0 entered promiscuous mode [ 62.435481][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.460622][ T8451] team0: Port device team_slave_0 added [ 62.471066][ T8449] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.478341][ T8449] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.485947][ T8449] device bridge_slave_1 entered promiscuous mode [ 62.509709][ T8449] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.520820][ T8451] team0: Port device team_slave_1 added [ 62.546397][ T8449] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.619370][ T8451] device hsr_slave_0 entered promiscuous mode [ 62.666816][ T8451] device hsr_slave_1 entered promiscuous mode [ 62.716719][ T8451] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.724355][ T8451] Cannot create hsr debugfs directory [ 62.739313][ T8449] team0: Port device team_slave_0 added [ 62.758564][ T8449] team0: Port device team_slave_1 added [ 62.869541][ T8449] device hsr_slave_0 entered promiscuous mode [ 62.906953][ T8449] device hsr_slave_1 entered promiscuous mode [ 62.976626][ T8449] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.984333][ T8449] Cannot create hsr debugfs directory [ 62.990205][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 63.006682][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 63.093241][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.101243][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.109418][ T8453] device bridge_slave_0 entered promiscuous mode [ 63.129147][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.136226][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.144751][ T8457] device bridge_slave_0 entered promiscuous mode [ 63.154184][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.161362][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.169286][ T8457] device bridge_slave_1 entered promiscuous mode [ 63.185101][ T8443] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.194966][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.202742][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.213559][ T8453] device bridge_slave_1 entered promiscuous mode [ 63.276910][ T8451] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.319977][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.331002][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.343707][ T8445] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.353371][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.362425][ T2762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.373876][ T8443] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.383161][ T8451] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.439321][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.450331][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.467123][ T8451] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.514615][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.525350][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.534197][ T3978] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.541448][ T3978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.550533][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.563731][ T3979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.575214][ T3979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.584046][ T3979] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.591299][ T3979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.600154][ T3979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.608314][ T3979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.616358][ T8451] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.674848][ T8453] team0: Port device team_slave_0 added [ 63.684442][ T8453] team0: Port device team_slave_1 added [ 63.693532][ T8445] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.703908][ T8457] team0: Port device team_slave_0 added [ 63.710339][ T8449] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.762668][ T8449] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.869394][ T8453] device hsr_slave_0 entered promiscuous mode [ 63.906978][ T8453] device hsr_slave_1 entered promiscuous mode [ 63.947656][ T8453] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.955248][ T8453] Cannot create hsr debugfs directory [ 63.961945][ T8457] team0: Port device team_slave_1 added [ 63.972645][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.981396][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.991576][ T8449] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.119728][ T8457] device hsr_slave_0 entered promiscuous mode [ 64.177032][ T8457] device hsr_slave_1 entered promiscuous mode [ 64.216790][ T8457] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.224383][ T8457] Cannot create hsr debugfs directory [ 64.230175][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.239654][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.248210][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.255256][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.263273][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.272064][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.280467][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.287537][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.295002][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.303607][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.312045][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.320949][ T8449] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.390087][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.399011][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.407028][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.416015][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.424776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.437081][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.445615][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.500271][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.533497][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.545633][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.554237][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.563343][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.572084][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.580666][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.591298][ T8443] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.649728][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.658800][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.725146][ T8453] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.768309][ T8453] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.807922][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.816345][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.828212][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.835816][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.854669][ T8443] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.867345][ T8445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.875542][ T8453] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.939655][ T8457] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.990723][ T8457] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.049822][ T8457] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 65.106639][ T8453] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 65.141358][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.154180][ T8449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.165324][ T8457] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 65.200668][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.209832][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.248766][ T8449] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.255999][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.264715][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.273585][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.281407][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.289429][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.298017][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.306350][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.314105][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.325070][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.337318][ T8443] device veth0_vlan entered promiscuous mode [ 65.365529][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.374584][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.383585][ T3978] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.390768][ T3978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.399548][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.409364][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.418678][ T3978] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.425734][ T3978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.433576][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.442946][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.451468][ T3978] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.458707][ T3978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.466202][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.475138][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.483564][ T3978] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.490703][ T3978] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.498939][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.506393][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.515236][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.523230][ T3978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.553881][ T8445] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.565257][ T8443] device veth1_vlan entered promiscuous mode [ 65.591061][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.599444][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.609536][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.618420][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.627418][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.635812][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.644747][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.653196][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.661658][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.670604][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.678956][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.687255][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.695902][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.704463][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.740043][ T8451] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.768575][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.777030][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.786273][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.796062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.829603][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.839885][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.854371][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 170.876444][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.883350][ C1] rcu: 1-...!: (10500 ticks this GP) idle=336/1/0x4000000000000002 softirq=11335/11335 fqs=3 [ 170.893846][ C1] (t=10501 jiffies g=6693 q=59) [ 170.898791][ C1] rcu: rcu_preempt kthread starved for 10496 jiffies! g6693 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 170.909876][ C1] rcu: RCU grace-period kthread stack dump: [ 170.915752][ C1] rcu_preempt R running task 28824 10 2 0x80004000 [ 170.924594][ C1] Call Trace: [ 170.927879][ C1] __schedule+0x9a0/0xcc0 [ 170.932207][ C1] schedule+0x181/0x210 [ 170.936362][ C1] schedule_timeout+0x14f/0x240 [ 170.941204][ C1] ? run_local_timers+0x120/0x120 [ 170.946310][ C1] rcu_gp_kthread+0xed8/0x1770 [ 170.951079][ C1] kthread+0x332/0x350 [ 170.955139][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 170.960236][ C1] ? kthread_blkcg+0xe0/0xe0 [ 170.964816][ C1] ret_from_fork+0x24/0x30 [ 170.969231][ C1] NMI backtrace for cpu 1 [ 170.973730][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.981864][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.991913][ C1] Workqueue: events linkwatch_event [ 170.997093][ C1] Call Trace: [ 171.000361][ C1] [ 171.003206][ C1] dump_stack+0x1fb/0x318 [ 171.007530][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.012369][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.018516][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.024573][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.030542][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.036423][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.041552][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.046742][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.051761][ C1] update_process_times+0x12d/0x180 [ 171.056948][ C1] tick_sched_timer+0x263/0x420 [ 171.061794][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.067418][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.072620][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.077562][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.082857][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.088395][ C1] apic_timer_interrupt+0xf/0x20 [ 171.093317][ C1] [ 171.096249][ C1] RIP: 0010:free_thread_stack+0x11f/0x590 [ 171.101957][ C1] Code: 3e e8 45 73 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 86 91 61 00 e9 5d 04 00 00 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 [ 171.121551][ C1] RSP: 0018:ffffc90000d8f700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.129979][ C1] RAX: 1ffff11011cd6e01 RBX: ffffea0002524f40 RCX: ffff8880a9a48480 [ 171.137941][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002524f40 [ 171.145901][ C1] RBP: ffffc90000d8f738 R08: 000000000003a728 R09: fffffbfff124248a [ 171.153864][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808e6b70a0 [ 171.161823][ C1] R13: dffffc0000000000 R14: 1ffff11011cd6e14 R15: ffff888096d65878 [ 171.169809][ C1] put_task_stack+0xa3/0x130 [ 171.174406][ C1] finish_task_switch+0x3f1/0x550 [ 171.179426][ C1] __schedule+0x9a8/0xcc0 [ 171.183752][ C1] ? ___preempt_schedule+0x16/0x18 [ 171.188863][ C1] preempt_schedule+0xdb/0x120 [ 171.193621][ C1] ___preempt_schedule+0x16/0x18 [ 171.198553][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 171.203245][ C1] ? vprintk_emit+0x368/0x3a0 [ 171.207916][ C1] vprintk_emit+0x36d/0x3a0 [ 171.212410][ C1] vprintk_default+0x28/0x30 [ 171.216987][ C1] vprintk_func+0x158/0x170 [ 171.221513][ C1] printk+0x62/0x8d [ 171.225336][ C1] ? addrconf_notify+0xd37/0x3c90 [ 171.230369][ C1] ? addrconf_notify+0x779/0x3c90 [ 171.235419][ C1] addrconf_notify+0x2c8d/0x3c90 [ 171.240366][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 171.245666][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 171.251114][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.256673][ C1] ? trace_hardirqs_on+0x74/0x80 [ 171.261729][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 171.267113][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.272657][ C1] ? tls_dev_event+0x619/0xc00 [ 171.277438][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.283002][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 171.288202][ C1] raw_notifier_call_chain+0xec/0x190 [ 171.293574][ C1] netdev_state_change+0x147/0x1f0 [ 171.298705][ C1] linkwatch_do_dev+0x10e/0x160 [ 171.303586][ C1] __linkwatch_run_queue+0x446/0x730 [ 171.308885][ C1] linkwatch_event+0x4c/0x60 [ 171.313475][ C1] process_one_work+0x7ef/0x10d0 [ 171.318421][ C1] worker_thread+0xc01/0x1630 [ 171.323138][ C1] kthread+0x332/0x350 [ 171.327204][ C1] ? rcu_lock_release+0x30/0x30 [ 171.332076][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.336683][ C1] ret_from_fork+0x24/0x30