[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.525027][ T23] audit: type=1800 audit(1578484779.171:25): pid=8287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.544096][ T23] audit: type=1800 audit(1578484779.171:26): pid=8287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.578012][ T23] audit: type=1800 audit(1578484779.171:27): pid=8287 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 '10.128.1.30' (ECDSA) to the list of known hosts. 2020/01/08 11:59:50 fuzzer started 2020/01/08 11:59:52 dialing manager at 10.128.0.26:35703 2020/01/08 11:59:52 syscalls: 2824 2020/01/08 11:59:52 code coverage: enabled 2020/01/08 11:59:52 comparison tracing: enabled 2020/01/08 11:59:52 extra coverage: enabled 2020/01/08 11:59:52 setuid sandbox: enabled 2020/01/08 11:59:52 namespace sandbox: enabled 2020/01/08 11:59:52 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 11:59:52 fault injection: enabled 2020/01/08 11:59:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 11:59:52 net packet injection: enabled 2020/01/08 11:59:52 net device setup: enabled 2020/01/08 11:59:52 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 11:59:52 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:59:53 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0x13, 0x4, &(0x7f0000346fc8)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x8}]}, &(0x7f0000000040)='GPL\x00', 0x1, 0xfb, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) 11:59:53 executing program 1: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000100)="5500000018007fafb72d1cb2a2a280930206000000a843096c26230014000800040010e80f00ca8a9848a3c728f1c46b7b31afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d4", 0x55}], 0x1}, 0x0) syzkaller login: [ 68.324643][ T8456] IPVS: ftp: loaded support on port[0] = 21 [ 68.503559][ T8459] IPVS: ftp: loaded support on port[0] = 21 [ 68.514433][ T8456] chnl_net:caif_netlink_parms(): no params data found 11:59:54 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000140)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_slave\x00'}, {0xc, 0x5, [@IFLA_BRPORT_LEARNING={0x8}]}}}]}, 0x44}}, 0x0) [ 68.600916][ T8456] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.617584][ T8456] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.632587][ T8456] device bridge_slave_0 entered promiscuous mode [ 68.659746][ T8456] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.677461][ T8456] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.685443][ T8456] device bridge_slave_1 entered promiscuous mode [ 68.733199][ T8456] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.758523][ T8456] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 11:59:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f0000000300)={0xa, 0x8000002}, 0x1c) setsockopt$inet6_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000540)='dctcp\x00', 0x6) sendto$inet6(r2, 0x0, 0x0, 0x20000001, &(0x7f0000000000)={0xa, 0x2}, 0x1c) getsockopt$inet6_tcp_buf(r2, 0x6, 0xb, &(0x7f00000002c0)=""/10, &(0x7f0000000340)=0xa) [ 68.838735][ T8456] team0: Port device team_slave_0 added [ 68.846107][ T8456] team0: Port device team_slave_1 added [ 68.857885][ T8461] IPVS: ftp: loaded support on port[0] = 21 [ 68.904225][ T8459] chnl_net:caif_netlink_parms(): no params data found [ 68.979135][ T8456] device hsr_slave_0 entered promiscuous mode [ 69.006773][ T8456] device hsr_slave_1 entered promiscuous mode 11:59:54 executing program 4: futex(&(0x7f0000000040)=0x4, 0x0, 0x4, 0x0, 0x0, 0x0) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f0000000180)={0x77359400}, &(0x7f0000000040), 0x0) [ 69.086037][ T8464] IPVS: ftp: loaded support on port[0] = 21 [ 69.116236][ T8459] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.136676][ T8459] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.144493][ T8459] device bridge_slave_0 entered promiscuous mode [ 69.234884][ T8459] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.254927][ T8459] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.265015][ T8459] device bridge_slave_1 entered promiscuous mode [ 69.303687][ T8467] IPVS: ftp: loaded support on port[0] = 21 11:59:55 executing program 5: sendmsg$IPVS_CMD_GET_CONFIG(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={0x88, 0x0, 0x0, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_DAEMON={0x58, 0x3, [@IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'caif0\x00'}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'gretap0\x00'}, @IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @dev}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x8}]}, @IPVS_CMD_ATTR_SERVICE={0x1c, 0x1, [@IPVS_SVC_ATTR_PE_NAME={0x8, 0xb, 'sip\x00'}, @IPVS_SVC_ATTR_AF={0x8}, @IPVS_SVC_ATTR_PORT={0x8, 0x4, 0x4e21}]}]}, 0x88}}, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000400)='/dev/net/tun\x00', 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000280)={'\x00', 0x4009}) write$cgroup_subtree(r0, &(0x7f00000000c0)={[{0x0, 'cpu', 0xf}]}, 0x90ad) [ 69.344141][ T8461] chnl_net:caif_netlink_parms(): no params data found [ 69.410016][ T8459] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.461977][ T8459] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.540962][ T8461] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.550661][ T8461] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.552022][ T8469] IPVS: ftp: loaded support on port[0] = 21 [ 69.564457][ T8461] device bridge_slave_0 entered promiscuous mode [ 69.577766][ T8456] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.630004][ T8456] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.694778][ T8456] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.739659][ T8456] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.808307][ T8461] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.815402][ T8461] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.823166][ T8461] device bridge_slave_1 entered promiscuous mode [ 69.831410][ T8459] team0: Port device team_slave_0 added [ 69.840385][ T8459] team0: Port device team_slave_1 added [ 69.881228][ T8464] chnl_net:caif_netlink_parms(): no params data found [ 69.896322][ T8461] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.969190][ T8459] device hsr_slave_0 entered promiscuous mode [ 70.017021][ T8459] device hsr_slave_1 entered promiscuous mode [ 70.057066][ T8459] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.064829][ T8459] Cannot create hsr debugfs directory [ 70.071537][ T8461] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.109318][ T8461] team0: Port device team_slave_0 added [ 70.117360][ T8461] team0: Port device team_slave_1 added [ 70.142179][ T8464] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.150054][ T8464] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.157972][ T8464] device bridge_slave_0 entered promiscuous mode [ 70.165660][ T8464] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.173194][ T8464] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.180883][ T8464] device bridge_slave_1 entered promiscuous mode [ 70.268240][ T8461] device hsr_slave_0 entered promiscuous mode [ 70.306922][ T8461] device hsr_slave_1 entered promiscuous mode [ 70.346612][ T8461] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.354221][ T8461] Cannot create hsr debugfs directory [ 70.368866][ T8467] chnl_net:caif_netlink_parms(): no params data found [ 70.422703][ T8464] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.462096][ T8464] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.483049][ T8464] team0: Port device team_slave_0 added [ 70.493123][ T8469] chnl_net:caif_netlink_parms(): no params data found [ 70.511098][ T8467] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.524418][ T8467] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.532167][ T8467] device bridge_slave_0 entered promiscuous mode [ 70.543911][ T8467] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.551453][ T8467] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.559642][ T8467] device bridge_slave_1 entered promiscuous mode [ 70.568781][ T8464] team0: Port device team_slave_1 added [ 70.635659][ T8467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.676381][ T8469] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.684825][ T8469] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.692869][ T8469] device bridge_slave_0 entered promiscuous mode [ 70.700071][ T8459] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.749182][ T8467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.818298][ T8464] device hsr_slave_0 entered promiscuous mode [ 70.856786][ T8464] device hsr_slave_1 entered promiscuous mode [ 70.906672][ T8464] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.914319][ T8464] Cannot create hsr debugfs directory [ 70.923114][ T8456] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.934926][ T8469] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.942151][ T8469] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.950274][ T8469] device bridge_slave_1 entered promiscuous mode [ 70.957722][ T8459] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.020270][ T8467] team0: Port device team_slave_0 added [ 71.046201][ T8459] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.078703][ T8467] team0: Port device team_slave_1 added [ 71.084548][ T8459] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.138446][ T8461] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.185730][ T8469] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.199469][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.207923][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.222093][ T8456] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.237314][ T8461] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.268486][ T8461] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.330141][ T8469] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.366366][ T8461] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.410184][ T8469] team0: Port device team_slave_0 added [ 71.419246][ T8469] team0: Port device team_slave_1 added [ 71.489048][ T8467] device hsr_slave_0 entered promiscuous mode [ 71.517279][ T8467] device hsr_slave_1 entered promiscuous mode [ 71.556717][ T8467] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.564325][ T8467] Cannot create hsr debugfs directory [ 71.615050][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.623924][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.632978][ T2738] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.640188][ T2738] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.673892][ T8464] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 71.718915][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.727625][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.736059][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.744505][ T2738] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.751727][ T2738] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.760433][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.768940][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.818974][ T8469] device hsr_slave_0 entered promiscuous mode [ 71.877127][ T8469] device hsr_slave_1 entered promiscuous mode [ 71.916624][ T8469] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.924235][ T8469] Cannot create hsr debugfs directory [ 71.940106][ T8464] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.000927][ T8464] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.050742][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.059531][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.068812][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.077456][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.085637][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.094247][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.102521][ T2737] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.145094][ T8464] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.186858][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.195082][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.229243][ T8456] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.255041][ T8461] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.302837][ T8467] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.358940][ T8467] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.425435][ T8461] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.438432][ T8469] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 72.481279][ T8469] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 72.530534][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.539403][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.547618][ T8467] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.592459][ T8467] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.651554][ T8459] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.660599][ T8469] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 72.722617][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.732885][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.741339][ T3053] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.748407][ T3053] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.757483][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.764910][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.780707][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.789232][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.797837][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.806040][ T3053] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.813917][ T3053] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.822671][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.831244][ T8469] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 72.904591][ T8456] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.921222][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.942839][ T8459] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.968496][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.976283][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.985833][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.995366][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.003927][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.012532][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.021039][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.029686][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.046641][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.054321][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.063400][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.072334][ T3051] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.079442][ T3051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.087108][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.095556][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.103986][ T3051] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.111038][ T3051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.120065][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.136578][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.144828][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.156574][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.164818][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.184809][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.202613][ T8461] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.236575][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.245041][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.255562][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.264588][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.273829][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.282323][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.290496][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.299300][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.307504][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.315034][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.345566][ T8456] device veth0_vlan entered promiscuous mode [ 73.353468][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.362401][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.371052][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.379320][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.394040][ T8469] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.418811][ T8461] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.426839][ T8459] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.438187][ T8464] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.447847][ T8456] device veth1_vlan entered promiscuous mode [ 73.457921][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.466312][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.474346][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.485962][ T8469] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.506248][ T8467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.513713][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.523510][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.532088][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.562998][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.571383][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.579278][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.588612][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.597306][ T3051] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.604377][ T3051] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.612205][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.620697][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.629486][ T3051] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.636594][ T3051] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.644114][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.652688][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.660142][ T3051] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.669742][ T8464] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.690993][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.699846][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.709217][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.719221][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.731863][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.740417][ T3060] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.747562][ T3060] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.757108][ T3053] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.774428][ T2738] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.787626][ T8459] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.805773][ T8461] device veth0_vlan entered promiscuous mode [ 73.822669][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.832238][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.843986][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.852551][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.861370][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.869553][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.878229][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.886984][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.895073][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.903820][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.912747][ T2697] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.919856][ T2697] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.927744][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.936154][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.945401][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.953186][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.961295][ T2697] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.991903][ T8467] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.019833][ T8461] device veth1_vlan entered promiscuous mode [ 74.035555][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.059192][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 74.072968][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.084746][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.099110][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.111737][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.122782][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.135824][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.146363][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.160721][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.172089][ T3060] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.185610][ T8469] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.225630][ T8469] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 179.056453][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.063448][ C1] rcu: 1-...!: (10499 ticks this GP) idle=456/1/0x4000000000000002 softirq=14190/14192 fqs=9 [ 179.074172][ C1] (t=10501 jiffies g=7061 q=176) [ 179.079206][ C1] rcu: rcu_preempt kthread starved for 10484 jiffies! g7061 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.090302][ C1] rcu: RCU grace-period kthread stack dump: [ 179.096276][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.104218][ C1] Call Trace: [ 179.107516][ C1] __schedule+0x9a0/0xcc0 [ 179.111857][ C1] schedule+0x181/0x210 [ 179.116015][ C1] schedule_timeout+0x14f/0x240 [ 179.120869][ C1] ? run_local_timers+0x120/0x120 [ 179.125962][ C1] rcu_gp_kthread+0xed8/0x1770 [ 179.130787][ C1] kthread+0x332/0x350 [ 179.134853][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 179.140007][ C1] ? kthread_blkcg+0xe0/0xe0 [ 179.144600][ C1] ret_from_fork+0x24/0x30 [ 179.149028][ C1] NMI backtrace for cpu 1 [ 179.153364][ C1] CPU: 1 PID: 8474 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.162065][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.172467][ C1] Call Trace: [ 179.175750][ C1] [ 179.178604][ C1] dump_stack+0x1fb/0x318 [ 179.182933][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.187852][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.194009][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.200078][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.206222][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.212116][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.217235][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.223180][ C1] ? trace_hardirqs_off+0x74/0x80 [ 179.228209][ C1] update_process_times+0x12d/0x180 [ 179.233509][ C1] tick_sched_timer+0x263/0x420 [ 179.238361][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.243902][ C1] __hrtimer_run_queues+0x403/0x840 [ 179.249163][ C1] hrtimer_interrupt+0x38c/0xda0 [ 179.254144][ C1] ? debug_smp_processor_id+0x9/0x20 [ 179.259434][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 179.264976][ C1] apic_timer_interrupt+0xf/0x20 [ 179.270080][ C1] [ 179.273078][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 179.279236][ C1] 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 [ 179.299333][ C1] RSP: 0018:ffffc90002017850 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.307747][ C1] RAX: ffffffff814896c6 RBX: ffffea00025c0680 RCX: ffff88808f766540 [ 179.315948][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00025c0680 [ 179.323930][ C1] RBP: ffffc90002017878 R08: dffffc0000000000 R09: fffffbfff124248a [ 179.331968][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88809b295220 [ 179.340072][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a32575f8 [ 179.348055][ C1] ? mod_memcg_page_state+0x16/0x190 [ 179.353345][ C1] ? mod_memcg_page_state+0x16/0x190 [ 179.358630][ C1] free_thread_stack+0x168/0x590 [ 179.363571][ C1] put_task_stack+0xa3/0x130 [ 179.368163][ C1] finish_task_switch+0x3f1/0x550 [ 179.373194][ C1] __schedule+0x9a8/0xcc0 [ 179.377536][ C1] ? ___preempt_schedule+0x16/0x18 [ 179.382844][ C1] preempt_schedule+0xdb/0x120 [ 179.387616][ C1] ___preempt_schedule+0x16/0x18 [ 179.392666][ C1] ? page_poisoning_enabled+0x1c/0x30 [ 179.398186][ C1] prep_new_page+0x161/0x2e0 [ 179.402879][ C1] get_page_from_freelist+0x850/0xaa0 [ 179.408267][ C1] __alloc_pages_nodemask+0x264/0x5d0 [ 179.413655][ C1] alloc_pages_vma+0x94a/0xd50 [ 179.418429][ C1] do_huge_pmd_anonymous_page+0x883/0xe50 [ 179.424159][ C1] handle_mm_fault+0x2017/0x2890 [ 179.429121][ C1] do_user_addr_fault+0x589/0xaf0 [ 179.434155][ C1] __do_page_fault+0xd3/0x1f0 [ 179.438918][ C1] do_page_fault+0x99/0xb0 [ 179.443412][ C1] page_fault+0x39/0x40 [ 179.447620][ C1] RIP: 0033:0x40053d [ 179.451585][ C1] Code: 00 e9 00 02 00 00 48 8b 44 24 10 48 0b 44 24 28 75 1f 48 8b 14 24 48 8b 7c 24 20 be 01 00 00 00 e8 28 56 00 00 48 8b 74 24 08 <88> 06 e9 25 02 00 00 48 8b 44 24 08 48 8b 14 24 be 01 00 00 00 0f [ 179.471423][ C1] RSP: 002b:00007ffca05f4b80 EFLAGS: 00010206 [ 179.477486][ C1] RAX: 0000000000000018 RBX: 0000000000000000 RCX: 0000000000000000 [ 179.485457][ C1] RDX: 0000000000000000 RSI: 0000000020346fc8 RDI: 0000000000000018 [ 179.493434][ C1] RBP: 0000000000760078 R08: 0000000000000000 R09: 0000000000000000 [ 179.501403][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000001 [ 179.509376][ C1] R13: 00007ffca05f4da0 R14: 0000000000760080 R15: 00007ffca05f4db0