[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.391785][ T23] audit: type=1800 audit(1575418698.776:25): pid=8084 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.411103][ T23] audit: type=1800 audit(1575418698.776:26): pid=8084 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.460178][ T23] audit: type=1800 audit(1575418698.786:27): pid=8084 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 '10.128.10.31' (ECDSA) to the list of known hosts. 2019/12/04 00:18:29 fuzzer started 2019/12/04 00:18:31 dialing manager at 10.128.0.26:42111 2019/12/04 00:18:31 syscalls: 2689 2019/12/04 00:18:31 code coverage: enabled 2019/12/04 00:18:31 comparison tracing: enabled 2019/12/04 00:18:31 extra coverage: extra coverage is not supported by the kernel 2019/12/04 00:18:31 setuid sandbox: enabled 2019/12/04 00:18:31 namespace sandbox: enabled 2019/12/04 00:18:31 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 00:18:31 fault injection: enabled 2019/12/04 00:18:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 00:18:31 net packet injection: enabled 2019/12/04 00:18:31 net device setup: enabled 2019/12/04 00:18:31 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 00:18:31 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:18:32 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000100)="0815b5055e0bcfe87b3071") r1 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r1, 0x0, 0x482, &(0x7f0000000300)={0x100000011, @multicast2, 0x15, 0x0, 'lblcr\x00', 0x3f}, 0x2c) 00:18:32 executing program 1: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendmmsg$inet(r0, &(0x7f0000000f80)=[{{&(0x7f0000000400)={0x2, 0x4e20, @local}, 0x10, 0x0}}, {{&(0x7f0000000d00)={0x2, 0x4e23}, 0x10, 0x0, 0x0, &(0x7f0000000f00)=[@ip_ttl={{0x10, 0x11}}], 0x10}}], 0x2, 0x0) syzkaller login: [ 58.558556][ T8248] IPVS: ftp: loaded support on port[0] = 21 [ 58.665797][ T8250] IPVS: ftp: loaded support on port[0] = 21 00:18:33 executing program 2: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000240)={0x2, 0x4e23, @dev}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23}, 0x10) r1 = syz_open_procfs(0x0, &(0x7f0000000400)='net/tcp\x00\xcdWq\xe9*\a4g\a^\x90\xb6\xe4kH2\x80/\x88\xb6\xbb\xeb`\xb8@#\x83tH\xae\xa4y\x1d\\]\x93\x93\xb5e\xd9\xd4\xb8A# \xc8*s\xd0g>\x16\xabM\x7foK\xec\x17f\xb9x\x11\xbf\xab\x16\xc5\xcb\x94\xff\x1c\xa0\x01\xb3I\x1c\xb9\xcc\xbb\xbe\x9c\xd0!\x13\xe1\xbc.\xfaG3\x85\xe0,') syz_genetlink_get_family_id$ipvs(&(0x7f0000000480)='IPVS\x00') sendmsg$IPVS_CMD_GET_DEST(r1, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x404a0}, 0xc, &(0x7f0000000140)={0x0}}, 0x4040) sendfile(r0, r1, 0x0, 0x80000003) syz_open_procfs(0x0, 0x0) rt_sigpending(&(0x7f0000000340), 0x8) mount$bpf(0x0, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x0) [ 58.759206][ T8248] chnl_net:caif_netlink_parms(): no params data found [ 58.887014][ T8248] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.909463][ T8248] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.917485][ T8248] device bridge_slave_0 entered promiscuous mode [ 58.927636][ T8248] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.935227][ T8248] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.943417][ T8248] device bridge_slave_1 entered promiscuous mode [ 58.967530][ T8248] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.990703][ T8250] chnl_net:caif_netlink_parms(): no params data found [ 59.002490][ T8254] IPVS: ftp: loaded support on port[0] = 21 [ 59.011041][ T8248] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:18:33 executing program 3: r0 = memfd_create(&(0x7f0000000200)='eth0\x00', 0x0) write(r0, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x1, 0x11, r0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) getsockopt$inet_int(r1, 0x10d, 0xb7, 0x0, &(0x7f0000000000)) [ 59.092220][ T8248] team0: Port device team_slave_0 added [ 59.102791][ T8250] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.119174][ T8250] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.127289][ T8250] device bridge_slave_0 entered promiscuous mode [ 59.144003][ T8248] team0: Port device team_slave_1 added [ 59.162976][ T8250] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.190929][ T8250] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.199122][ T8250] device bridge_slave_1 entered promiscuous mode [ 59.236227][ T8250] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.268343][ T8250] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:18:33 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000240)=0x7fe, 0x4) sendto$inet(r1, 0x0, 0x0, 0x0, &(0x7f0000cd2ff0)={0x2, 0x4e27}, 0x10) ppoll(&(0x7f0000000080)=[{r1}, {r0}], 0x2, 0x0, 0x0, 0x0) [ 59.331131][ T8248] device hsr_slave_0 entered promiscuous mode [ 59.389319][ T8248] device hsr_slave_1 entered promiscuous mode [ 59.501831][ T8250] team0: Port device team_slave_0 added [ 59.518204][ T8256] IPVS: ftp: loaded support on port[0] = 21 [ 59.547147][ T8250] team0: Port device team_slave_1 added 00:18:34 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000002c0)=@ipv6_newaddr={0x84, 0x14, 0x205, 0x0, 0x0, {}, [@IFA_ADDRESS={0x14, 0x1, @local}, @IFA_CACHEINFO={0x14}, @IFA_LOCAL={0x14, 0x2, @local}, @IFA_ADDRESS={0x14, 0x1, @dev}, @IFA_CACHEINFO={0xffffffffffffff07}, @IFA_LOCAL={0x0, 0x2, @mcast1}]}, 0x84}}, 0x0) [ 59.613874][ T8248] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.747199][ T8258] IPVS: ftp: loaded support on port[0] = 21 [ 59.792117][ T8250] device hsr_slave_0 entered promiscuous mode [ 59.829394][ T8250] device hsr_slave_1 entered promiscuous mode [ 59.869427][ T8250] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.876969][ T8248] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.886934][ T8261] IPVS: ftp: loaded support on port[0] = 21 [ 59.922548][ T8248] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.983338][ T8248] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.051557][ T8254] chnl_net:caif_netlink_parms(): no params data found [ 60.102482][ T8254] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.110336][ T8254] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.118728][ T8254] device bridge_slave_0 entered promiscuous mode [ 60.156881][ T8254] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.164552][ T8254] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.172733][ T8254] device bridge_slave_1 entered promiscuous mode [ 60.248361][ T8250] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.272835][ T8254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.305388][ T8254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.316198][ T8250] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.353087][ T8250] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.430694][ T8250] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.482168][ T8254] team0: Port device team_slave_0 added [ 60.498704][ T8256] chnl_net:caif_netlink_parms(): no params data found [ 60.524098][ T8254] team0: Port device team_slave_1 added [ 60.652192][ T8254] device hsr_slave_0 entered promiscuous mode [ 60.699494][ T8254] device hsr_slave_1 entered promiscuous mode [ 60.739117][ T8254] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.749513][ T8256] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.756574][ T8256] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.764381][ T8256] device bridge_slave_0 entered promiscuous mode [ 60.773261][ T8256] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.780649][ T8256] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.788275][ T8256] device bridge_slave_1 entered promiscuous mode [ 60.803966][ T8258] chnl_net:caif_netlink_parms(): no params data found [ 60.816676][ T8261] chnl_net:caif_netlink_parms(): no params data found [ 60.881248][ T8256] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.918273][ T8256] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.928016][ T8258] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.936392][ T8258] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.944582][ T8258] device bridge_slave_0 entered promiscuous mode [ 60.956600][ T8258] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.963993][ T8258] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.972631][ T8258] device bridge_slave_1 entered promiscuous mode [ 60.980991][ T8254] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.038742][ T8261] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.045958][ T8261] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.055692][ T8261] device bridge_slave_0 entered promiscuous mode [ 61.067167][ T8261] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.074546][ T8261] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.083345][ T8261] device bridge_slave_1 entered promiscuous mode [ 61.096190][ T8254] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.157181][ T8254] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.213417][ T8254] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.287060][ T8256] team0: Port device team_slave_0 added [ 61.296318][ T8256] team0: Port device team_slave_1 added [ 61.303729][ T8258] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.326093][ T8261] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.338076][ T8261] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.355265][ T8258] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.391640][ T8248] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.406230][ T8261] team0: Port device team_slave_0 added [ 61.416272][ T8261] team0: Port device team_slave_1 added [ 61.470848][ T8256] device hsr_slave_0 entered promiscuous mode [ 61.519445][ T8256] device hsr_slave_1 entered promiscuous mode [ 61.579117][ T8256] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.588633][ T8258] team0: Port device team_slave_0 added [ 61.616393][ T8250] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.634080][ T8258] team0: Port device team_slave_1 added [ 61.683679][ T8261] device hsr_slave_0 entered promiscuous mode [ 61.729341][ T8261] device hsr_slave_1 entered promiscuous mode [ 61.769248][ T8261] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.783746][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.792082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.801630][ T8248] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.861495][ T8258] device hsr_slave_0 entered promiscuous mode [ 61.909400][ T8258] device hsr_slave_1 entered promiscuous mode [ 61.949137][ T8258] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.965439][ T8250] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.987550][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.996131][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.005285][ T3048] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.012540][ T3048] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.022409][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.030585][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.038157][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.047022][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.055334][ T3048] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.062429][ T3048] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.070682][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.078533][ T3048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.095982][ T8256] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.133702][ T8254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.151901][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.161959][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.171499][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.178557][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.186428][ T8256] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.241512][ T8256] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.300884][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.309715][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.317999][ T2954] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.325187][ T2954] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.335213][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.344037][ T8256] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.397283][ T8261] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.445155][ T8261] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.503772][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.512862][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.522192][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.531112][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.547441][ T8254] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.558493][ T8261] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.603944][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.613526][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.622372][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.630964][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.640301][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.648763][ T2954] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.655985][ T2954] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.665256][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.681379][ T8258] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.721820][ T8258] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.762472][ T8258] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.811777][ T8261] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.871186][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.880099][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.888867][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.898120][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.907615][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.916404][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.923534][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.932712][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.941751][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.952716][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.968436][ T8250] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.981777][ T8250] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.994620][ T8258] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.081998][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.092024][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.101478][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.111184][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.119935][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.128069][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.137431][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.146508][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.155708][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.164330][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.203015][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.214601][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.228312][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.238139][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.247389][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.255920][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.264490][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.274064][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.292266][ T8248] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.306189][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.318701][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.328359][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.338872][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.348015][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.355650][ T2954] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.364477][ T8254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.404566][ T8250] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.417144][ T8262] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.427121][ T8262] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.438157][ T8248] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.504636][ T8263] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.515292][ T8263] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.533469][ T8258] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.550453][ T8254] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.605274][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.637234][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.675791][ T8256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 168.698945][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 168.705942][ C1] (detected by 1, t=10502 jiffies, g=6841, q=105) [ 168.712428][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954019-4294943516), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 168.725781][ C1] kworker/1:1 R running task 26328 48 2 0x80004008 [ 168.733695][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 168.739661][ C1] Call Trace: [ 168.742936][ C1] [ 168.745781][ C1] sched_show_task+0x40f/0x560 [ 168.750540][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 168.755826][ C1] update_process_times+0x12d/0x180 [ 168.761013][ C1] tick_sched_timer+0x263/0x420 [ 168.765851][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.771386][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.776586][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.781528][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.786805][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.792335][ C1] apic_timer_interrupt+0xf/0x20 [ 168.797255][ C1] [ 168.800185][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 168.806335][ C1] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 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 [ 168.825940][ C1] RSP: 0018:ffffc90000f078b0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.834345][ C1] RAX: ffffffff81487326 RBX: ffffea0002a24ec0 RCX: ffff8880a99d0580 [ 168.842304][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a24ec0 [ 168.850262][ C1] RBP: ffffc90000f078d8 R08: 000000000003a768 R09: ffffed1012aaa2c7 [ 168.858218][ C1] R10: ffffed1012aaa2c7 R11: 0000000000000000 R12: ffff8880a7b7da20 [ 168.866286][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888095551628 [ 168.874276][ C1] ? mod_memcg_page_state+0x16/0x190 [ 168.879565][ C1] ? mod_memcg_page_state+0x16/0x190 [ 168.884862][ C1] free_thread_stack+0x168/0x590 [ 168.889809][ C1] put_task_stack+0xa3/0x130 [ 168.894395][ C1] finish_task_switch+0x3f1/0x550 [ 168.899417][ C1] __schedule+0x9a8/0xcc0 [ 168.903747][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.909027][ C1] schedule+0x181/0x210 [ 168.913177][ C1] schedule_preempt_disabled+0x13/0x20 [ 168.918625][ C1] mutex_optimistic_spin+0x445/0x480 [ 168.923902][ C1] __mutex_lock_common+0x2e7/0x2e10 [ 168.929085][ C1] ? rtnl_lock+0x17/0x20 [ 168.933325][ C1] ? process_one_work+0x75d/0x10d0 [ 168.938424][ C1] mutex_lock_nested+0x1b/0x30 [ 168.943173][ C1] rtnl_lock+0x17/0x20 [ 168.947229][ C1] addrconf_dad_work+0x69/0x1c30 [ 168.952156][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 168.957866][ C1] process_one_work+0x7ef/0x10d0 [ 168.962807][ C1] worker_thread+0xc01/0x1630 [ 168.967496][ C1] kthread+0x332/0x350 [ 168.971550][ C1] ? rcu_lock_release+0x30/0x30 [ 168.976386][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.980963][ C1] ret_from_fork+0x24/0x30 [ 168.985384][ C1] rcu: rcu_preempt kthread starved for 10530 jiffies! g6841 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 168.996462][ C1] rcu: RCU grace-period kthread stack dump: [ 169.002343][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.010240][ C1] Call Trace: [ 169.013516][ C1] __schedule+0x9a0/0xcc0 [ 169.017841][ C1] schedule+0x181/0x210 [ 169.021993][ C1] schedule_timeout+0x14f/0x240 [ 169.026831][ C1] ? run_local_timers+0x120/0x120 [ 169.031844][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.036601][ C1] kthread+0x332/0x350 [ 169.040664][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.045911][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.050509][ C1] ret_from_fork+0x24/0x30