[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.173381][ T27] audit: type=1800 audit(1578449118.493:25): pid=8272 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.201401][ T27] audit: type=1800 audit(1578449118.493:26): pid=8272 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.242230][ T27] audit: type=1800 audit(1578449118.493:27): pid=8272 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 '10.128.0.129' (ECDSA) to the list of known hosts. 2020/01/08 02:05:28 fuzzer started 2020/01/08 02:05:30 dialing manager at 10.128.0.26:35703 2020/01/08 02:05:30 syscalls: 2824 2020/01/08 02:05:30 code coverage: enabled 2020/01/08 02:05:30 comparison tracing: enabled 2020/01/08 02:05:30 extra coverage: enabled 2020/01/08 02:05:30 setuid sandbox: enabled 2020/01/08 02:05:30 namespace sandbox: enabled 2020/01/08 02:05:30 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 02:05:30 fault injection: enabled 2020/01/08 02:05:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 02:05:30 net packet injection: enabled 2020/01/08 02:05:30 net device setup: enabled 2020/01/08 02:05:30 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 02:05:30 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:05:31 executing program 0: pipe(0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) syz_open_dev$sndmidi(&(0x7f0000000080)='/dev/snd/midiC#D#\x00', 0x0, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, 0x0) 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) socket(0x200000000000011, 0x4000000000080002, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$packet(0xffffffffffffffff, &(0x7f0000000040)={0x11, 0x800000000000004, r1, 0x1, 0x0, 0x6, @dev}, 0x14) futex(&(0x7f00000024c0), 0x8b, 0x0, &(0x7f0000002500), &(0x7f0000002540), 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000080)={0x84, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 'wrr\x00', 0x21, 0xffffffffffffff8f, 0x54}, 0x2c) r2 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCADDRT(r2, 0x890b, &(0x7f0000000180)={0x0, {0x2, 0x4e22, @empty}, {0x2, 0x4e20, @loopback}, {0x2, 0x4e24, @empty}, 0x96, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x40}) ioctl$sock_inet_SIOCADDRT(r2, 0x890b, &(0x7f0000000100)={0x0, {0x2, 0x4e22, @local}, {0x2, 0x4e22, @rand_addr=0x7}, {0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x14}}, 0x20, 0x0, 0x0, 0x0, 0x3e91, &(0x7f0000000000)='vxcan1\x00', 0x3, 0x2, 0x1f}) ioctl$sock_inet_SIOCADDRT(r2, 0x890b, &(0x7f0000000080)={0x750, {0x2, 0x0, @dev={0xac, 0x2}}, {0x2, 0x0, @remote}, {0x2, 0x0, @broadcast}, 0x48, 0x0, 0x2, 0x46a}) setsockopt$IP_VS_SO_SET_ZERO(r2, 0x0, 0x48f, &(0x7f0000001240)={0x84, @local, 0x4e20, 0x4, 'none\x00', 0x17, 0x1f, 0x5b}, 0x8b) lsetxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x2) ioctl$SNDRV_TIMER_IOCTL_PVERSION(0xffffffffffffffff, 0x80045400, 0x0) sendmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0) write$UHID_DESTROY(0xffffffffffffffff, 0x0, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) 02:05:31 executing program 1: capset(&(0x7f00000fc000)={0x20080522}, &(0x7f0000000000)) r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000340)={0xa, 0x4e21, 0x0, @ipv4={[], [], @remote}}, 0x1c) sendmmsg$sock(r0, &(0x7f0000002f00)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000002e80)=[@txtime={{0x18, 0x1, 0x24}}], 0x18}}], 0x2, 0x0) syzkaller login: [ 59.609599][ T8438] IPVS: ftp: loaded support on port[0] = 21 [ 59.710705][ T8440] IPVS: ftp: loaded support on port[0] = 21 02:05:32 executing program 2: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000444ff8)={0x0, 0x7}, 0x8) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000180)={0x0, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000040)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f00000000c0)={0x0, 0x0, 0xffff}, 0x8) [ 59.823404][ T8438] chnl_net:caif_netlink_parms(): no params data found [ 59.949874][ T8438] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.962689][ T8438] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.970755][ T8438] device bridge_slave_0 entered promiscuous mode [ 59.979053][ T8440] chnl_net:caif_netlink_parms(): no params data found [ 59.995235][ T8438] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.005983][ T8444] IPVS: ftp: loaded support on port[0] = 21 [ 60.011508][ T8438] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.019739][ T8438] device bridge_slave_1 entered promiscuous mode [ 60.089444][ T8438] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.105557][ T8438] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 02:05:32 executing program 3: r0 = socket$inet6(0xa, 0x5, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000140)=[@in={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, @in={0x2, 0x0, @local}], 0x20) sendto$inet6(r0, &(0x7f0000000080)='C', 0x1, 0x0, &(0x7f0000000100)={0xa, 0x0, 0x0, @ipv4={[], [], @remote}}, 0x1c) [ 60.134130][ T8440] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.141529][ T8440] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.149650][ T8440] device bridge_slave_0 entered promiscuous mode [ 60.187357][ T8440] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.195658][ T8440] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.205423][ T8440] device bridge_slave_1 entered promiscuous mode [ 60.217690][ T8438] team0: Port device team_slave_0 added [ 60.239534][ T8438] team0: Port device team_slave_1 added [ 60.294788][ T8440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.364701][ T8438] device hsr_slave_0 entered promiscuous mode 02:05:32 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl\x00', 0x0, 0x0) ioctl$ASHMEM_GET_SIZE(r1, 0x40186f40, 0x76002d) [ 60.413534][ T8438] device hsr_slave_1 entered promiscuous mode [ 60.497059][ T8440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.526074][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 60.545051][ T8448] IPVS: ftp: loaded support on port[0] = 21 [ 60.612803][ T8440] team0: Port device team_slave_0 added 02:05:33 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) ioprio_get$uid(0x2, r1) [ 60.653877][ T8440] team0: Port device team_slave_1 added [ 60.670781][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.693577][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.701881][ T8444] device bridge_slave_0 entered promiscuous mode [ 60.730183][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.742094][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.750114][ T8444] device bridge_slave_1 entered promiscuous mode [ 60.795726][ T8450] IPVS: ftp: loaded support on port[0] = 21 [ 60.834488][ T8440] device hsr_slave_0 entered promiscuous mode [ 60.861679][ T8440] device hsr_slave_1 entered promiscuous mode [ 60.951511][ T8440] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.959290][ T8440] Cannot create hsr debugfs directory [ 60.997344][ T8452] IPVS: ftp: loaded support on port[0] = 21 [ 61.014358][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.028610][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.098537][ T8438] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.155542][ T8444] team0: Port device team_slave_0 added [ 61.164866][ T8444] team0: Port device team_slave_1 added [ 61.186819][ T8438] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.223215][ T8438] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.264569][ T8438] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.403259][ T8444] device hsr_slave_0 entered promiscuous mode [ 61.452436][ T8444] device hsr_slave_1 entered promiscuous mode [ 61.481411][ T8444] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.489541][ T8444] Cannot create hsr debugfs directory [ 61.530005][ T8440] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.555128][ T8440] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.623920][ T8440] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.670562][ T8440] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.734477][ T8448] chnl_net:caif_netlink_parms(): no params data found [ 61.812958][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 61.849519][ T8448] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.857726][ T8448] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.865913][ T8448] device bridge_slave_0 entered promiscuous mode [ 61.875840][ T8448] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.883993][ T8448] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.892625][ T8448] device bridge_slave_1 entered promiscuous mode [ 61.933231][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 61.954071][ T8448] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.989132][ T8448] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.024541][ T8444] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.097085][ T8444] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.158828][ T8444] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.203599][ T8444] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.255300][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.263367][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.270937][ T8452] device bridge_slave_0 entered promiscuous mode [ 62.291089][ T8448] team0: Port device team_slave_0 added [ 62.303697][ T8438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.315271][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.322681][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.330320][ T8452] device bridge_slave_1 entered promiscuous mode [ 62.338733][ T8448] team0: Port device team_slave_1 added [ 62.345595][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.353034][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.360532][ T8450] device bridge_slave_0 entered promiscuous mode [ 62.368867][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.376522][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.384567][ T8450] device bridge_slave_1 entered promiscuous mode [ 62.427745][ T8438] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.493424][ T8448] device hsr_slave_0 entered promiscuous mode [ 62.531724][ T8448] device hsr_slave_1 entered promiscuous mode [ 62.581608][ T8448] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.589248][ T8448] Cannot create hsr debugfs directory [ 62.596507][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.609196][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.617639][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.643943][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.668561][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.688660][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.697172][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.705827][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.712986][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.721203][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.730526][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.738899][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.745967][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.753986][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.763258][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.773760][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.800854][ T8450] team0: Port device team_slave_0 added [ 62.837203][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.848982][ T8450] team0: Port device team_slave_1 added [ 62.870445][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.879424][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.899065][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.909845][ T8440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.921149][ T8452] team0: Port device team_slave_0 added [ 62.964065][ T8450] device hsr_slave_0 entered promiscuous mode [ 63.001886][ T8450] device hsr_slave_1 entered promiscuous mode [ 63.041507][ T8450] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.049114][ T8450] Cannot create hsr debugfs directory [ 63.057034][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.072251][ T8452] team0: Port device team_slave_1 added [ 63.080740][ T8440] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.105271][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.113649][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.121224][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.130324][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.140366][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.148805][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.165062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.175637][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.184042][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.191252][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.238151][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.246029][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.253791][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.261425][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.269857][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.278586][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.285682][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.293600][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.305863][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.314221][ T8448] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.383106][ T8452] device hsr_slave_0 entered promiscuous mode [ 63.441877][ T8452] device hsr_slave_1 entered promiscuous mode [ 63.481506][ T8452] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.489092][ T8452] Cannot create hsr debugfs directory [ 63.506781][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.515045][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.523684][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.533746][ T8438] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.550764][ T8448] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.609237][ T8448] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.663091][ T8448] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.721954][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.730802][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.740212][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.747395][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.755159][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.763991][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.772455][ T26] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.779539][ T26] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.787119][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.795529][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.803879][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.839226][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.848672][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.857022][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.865807][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.874645][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.883103][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.891168][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.899686][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.908394][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.920361][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.943540][ T8450] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.004133][ T8450] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.045919][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.054214][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.061874][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.070262][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.078853][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.087463][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.096038][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.104369][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.118156][ T8438] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.136272][ T8450] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.174423][ T8450] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.249743][ T8444] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.273621][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.282419][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.290478][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.298379][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.340718][ T8440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.393279][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.400736][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.411048][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.419949][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.439588][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.453515][ T8452] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.493328][ T8452] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.547136][ T8452] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.617206][ T8452] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.682280][ T8448] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.692989][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.702116][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.711182][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.719742][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.729052][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.737643][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.769681][ T8438] device veth0_vlan entered promiscuous mode [ 64.779502][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.788246][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.797158][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.804919][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.815738][ T8440] device veth0_vlan entered promiscuous mode [ 64.828024][ T8448] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.849598][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.858769][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.866795][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.875296][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.884075][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.892869][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.901279][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.909765][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.916884][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.925068][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.933593][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.941969][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.949008][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.957189][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.968317][ T8438] device veth1_vlan entered promiscuous mode [ 65.001006][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.039193][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.047231][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.055834][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.064786][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.074136][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.082701][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.091085][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.099600][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.106704][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.114844][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.123434][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.132357][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.139396][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.147307][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.155740][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.164398][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.172823][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.182070][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.189856][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.198818][ T8440] device veth1_vlan entered promiscuous mode [ 65.233335][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.242488][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.250780][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.259830][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.268028][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.276357][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.284557][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.293064][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.325498][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.336417][ T8444] device veth0_vlan entered promiscuous mode [ 65.353519][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.361143][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.369439][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.378321][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.386834][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.395302][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.403968][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.412387][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.420534][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.429124][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.455386][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.468222][ T8448] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.479545][ T8448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.499463][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.511934][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.541101][ T8444] device veth1_vlan entered promiscuous mode [ 170.531314][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.538202][ C0] rcu: 0-...!: (10499 ticks this GP) idle=31e/1/0x4000000000000002 softirq=11549/11553 fqs=5 [ 170.548697][ C0] (t=10501 jiffies g=6853 q=235) [ 170.553716][ C0] rcu: rcu_preempt kthread starved for 10492 jiffies! g6853 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.564798][ C0] rcu: RCU grace-period kthread stack dump: [ 170.570676][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 170.578563][ C0] Call Trace: [ 170.581848][ C0] __schedule+0x9a0/0xcc0 [ 170.586193][ C0] schedule+0x181/0x210 [ 170.590342][ C0] schedule_timeout+0x14f/0x240 [ 170.595182][ C0] ? run_local_timers+0x120/0x120 [ 170.600199][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.604963][ C0] kthread+0x332/0x350 [ 170.609058][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.614163][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.618744][ C0] ret_from_fork+0x24/0x30 [ 170.623162][ C0] NMI backtrace for cpu 0 [ 170.627482][ C0] CPU: 0 PID: 4115 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 170.635270][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.645312][ C0] Call Trace: [ 170.648583][ C0] [ 170.651430][ C0] dump_stack+0x1fb/0x318 [ 170.655753][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.660590][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.666744][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.672801][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.678772][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.684652][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.689765][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.694955][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.699971][ C0] update_process_times+0x12d/0x180 [ 170.705160][ C0] tick_sched_timer+0x263/0x420 [ 170.710025][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.715586][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.720817][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.725772][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.731061][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.736604][ C0] apic_timer_interrupt+0xf/0x20 [ 170.741532][ C0] [ 170.744464][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 170.750610][ C0] Code: 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 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 170.770200][ C0] RSP: 0018:ffffc900015f7ad8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.778600][ C0] RAX: ffffffff814896c6 RBX: ffffea00023338c0 RCX: ffff8880946f4200 [ 170.786561][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023338c0 [ 170.794615][ C0] RBP: ffffc900015f7b00 R08: 000000000003a728 R09: fffffbfff124248a [ 170.802580][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888097572420 [ 170.810903][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808db63878 [ 170.818904][ C0] ? mod_memcg_page_state+0x16/0x190 [ 170.824188][ C0] ? free_thread_stack+0x124/0x590 [ 170.829808][ C0] ? mod_memcg_page_state+0x16/0x190 [ 170.835084][ C0] free_thread_stack+0x168/0x590 [ 170.840019][ C0] put_task_stack+0xa3/0x130 [ 170.844603][ C0] finish_task_switch+0x3f1/0x550 [ 170.849623][ C0] __schedule+0x9a8/0xcc0 [ 170.853953][ C0] schedule+0x181/0x210 [ 170.858099][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 170.864157][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 170.869347][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 170.874711][ C0] ep_poll+0xa4d/0xe80 [ 170.878780][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 170.884140][ C0] ? do_task_dead+0xc0/0xc0 [ 170.888641][ C0] do_epoll_wait+0x1ee/0x260 [ 170.893226][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 170.898240][ C0] do_syscall_64+0xf7/0x1c0 [ 170.902736][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.908617][ C0] RIP: 0033:0x7fb249f24943 [ 170.913044][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 170.933937][ C0] RSP: 002b:00007ffe05b7bb28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 170.942338][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fb249f24943 [ 170.950303][ C0] RDX: 0000000000000008 RSI: 00007ffe05b7bc20 RDI: 000000000000000a [ 170.958265][ C0] RBP: 00000000012998e0 R08: 0000000000000000 R09: 00007fb249f6da60 [ 170.967105][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000000000187c [ 170.975085][ C0] R13: 0000000000000000 R14: 0000000001299560 R15: 0000000001298250