[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 62.436743][ T26] audit: type=1800 audit(1563377302.005:25): pid=9029 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 62.474660][ T26] audit: type=1800 audit(1563377302.005:26): pid=9029 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 62.512257][ T26] audit: type=1800 audit(1563377302.005:27): pid=9029 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.242' (ECDSA) to the list of known hosts. 2019/07/17 15:28:48 parsed 1 programs 2019/07/17 15:28:49 executed programs: 0 syzkaller login: [ 90.173163][ T9207] IPVS: ftp: loaded support on port[0] = 21 [ 90.197377][ T9208] IPVS: ftp: loaded support on port[0] = 21 [ 90.348308][ T9215] IPVS: ftp: loaded support on port[0] = 21 [ 90.360649][ T9213] IPVS: ftp: loaded support on port[0] = 21 [ 90.380989][ T9211] IPVS: ftp: loaded support on port[0] = 21 [ 90.455907][ T9216] IPVS: ftp: loaded support on port[0] = 21 [ 90.491793][ T9208] chnl_net:caif_netlink_parms(): no params data found [ 90.605090][ T9207] chnl_net:caif_netlink_parms(): no params data found [ 90.617662][ T9208] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.626969][ T9208] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.635567][ T9208] device bridge_slave_0 entered promiscuous mode [ 90.646037][ T9208] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.653128][ T9208] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.661053][ T9208] device bridge_slave_1 entered promiscuous mode [ 90.740331][ T9215] chnl_net:caif_netlink_parms(): no params data found [ 90.788686][ T9208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.830783][ T9208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.891008][ T9213] chnl_net:caif_netlink_parms(): no params data found [ 90.931443][ T9207] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.940510][ T9207] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.948762][ T9207] device bridge_slave_0 entered promiscuous mode [ 90.964166][ T9208] team0: Port device team_slave_0 added [ 90.972751][ T9208] team0: Port device team_slave_1 added [ 90.987358][ T9215] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.994465][ T9215] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.002659][ T9215] device bridge_slave_0 entered promiscuous mode [ 91.010378][ T9207] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.018814][ T9207] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.027052][ T9207] device bridge_slave_1 entered promiscuous mode [ 91.062490][ T9215] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.070232][ T9215] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.078360][ T9215] device bridge_slave_1 entered promiscuous mode [ 91.113848][ T9213] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.121140][ T9213] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.128991][ T9213] device bridge_slave_0 entered promiscuous mode [ 91.136874][ T9211] chnl_net:caif_netlink_parms(): no params data found [ 91.167601][ T9207] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.229923][ T9208] device hsr_slave_0 entered promiscuous mode [ 91.285173][ T9208] device hsr_slave_1 entered promiscuous mode [ 91.349849][ T9213] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.357331][ T9213] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.365558][ T9213] device bridge_slave_1 entered promiscuous mode [ 91.374251][ T9215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.390885][ T9215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.402033][ T9207] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.490316][ T9215] team0: Port device team_slave_0 added [ 91.498834][ T9215] team0: Port device team_slave_1 added [ 91.522166][ T9213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.532891][ T9207] team0: Port device team_slave_0 added [ 91.540411][ T9211] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.549845][ T9211] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.558364][ T9211] device bridge_slave_0 entered promiscuous mode [ 91.585313][ T9213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.595823][ T9207] team0: Port device team_slave_1 added [ 91.616288][ T9211] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.623368][ T9211] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.631251][ T9211] device bridge_slave_1 entered promiscuous mode [ 91.708003][ T9215] device hsr_slave_0 entered promiscuous mode [ 91.774913][ T9215] device hsr_slave_1 entered promiscuous mode [ 91.814812][ T9215] debugfs: Directory 'hsr0' with parent '/' already present! [ 91.838379][ T9213] team0: Port device team_slave_0 added [ 91.850838][ T9216] chnl_net:caif_netlink_parms(): no params data found [ 91.886440][ T9213] team0: Port device team_slave_1 added [ 91.978158][ T9207] device hsr_slave_0 entered promiscuous mode [ 92.038312][ T9207] device hsr_slave_1 entered promiscuous mode [ 92.084758][ T9207] debugfs: Directory 'hsr0' with parent '/' already present! [ 92.097495][ T9211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.110432][ T9211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.156050][ T9216] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.163303][ T9216] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.171310][ T9216] device bridge_slave_0 entered promiscuous mode [ 92.237924][ T9213] device hsr_slave_0 entered promiscuous mode [ 92.278364][ T9213] device hsr_slave_1 entered promiscuous mode [ 92.334802][ T9213] debugfs: Directory 'hsr0' with parent '/' already present! [ 92.347897][ T9216] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.355167][ T9216] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.362878][ T9216] device bridge_slave_1 entered promiscuous mode [ 92.382466][ T9211] team0: Port device team_slave_0 added [ 92.391543][ T9211] team0: Port device team_slave_1 added [ 92.418370][ T9216] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.430821][ T9216] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.539611][ T9211] device hsr_slave_0 entered promiscuous mode [ 92.604979][ T9211] device hsr_slave_1 entered promiscuous mode [ 92.664684][ T9211] debugfs: Directory 'hsr0' with parent '/' already present! [ 92.689694][ T9216] team0: Port device team_slave_0 added [ 92.705535][ T9216] team0: Port device team_slave_1 added [ 92.796659][ T9216] device hsr_slave_0 entered promiscuous mode [ 92.846166][ T9216] device hsr_slave_1 entered promiscuous mode [ 92.884716][ T9216] debugfs: Directory 'hsr0' with parent '/' already present! [ 92.922425][ T9208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.946989][ T9208] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.961237][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.971872][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.991615][ T9213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.027183][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.036559][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.045317][ T3009] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.052566][ T3009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.062494][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.086304][ T9215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.100541][ T9207] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.133687][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.142675][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.151478][ T9220] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.158622][ T9220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.170077][ T9213] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.190068][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.198425][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.207722][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.227472][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.236540][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.245480][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.254315][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.279791][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.288034][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.296820][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.305912][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.314390][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.321554][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.330453][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.339533][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.348042][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.355176][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.362793][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.371633][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.379492][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.387516][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.396510][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.405836][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.415185][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.430000][ T9207] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.452226][ T9215] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.465843][ T9211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.479029][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.491344][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.500157][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.508852][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.517603][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.526816][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.537174][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.549354][ T9208] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.560882][ T9208] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.583591][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.592496][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.603331][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.612584][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.621706][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.628886][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.638336][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.664161][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.673261][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.683653][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.690837][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.698764][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 93.707782][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.716685][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.726117][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 93.735461][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 93.744172][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.753200][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.762066][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.770535][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.777697][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.788700][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.796863][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 93.807097][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.819019][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.843487][ T9211] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.852408][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 93.861725][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.871190][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.881651][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.895840][ T9213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.920783][ T9208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.928065][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.938223][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.947379][ T9223] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.954466][ T9223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.962321][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.971071][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.980106][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.988846][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.997225][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.006481][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.015103][ T9223] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.022167][ T9223] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.030605][ T9223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.043200][ T9207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.070564][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.086745][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.098499][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.105671][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.113879][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.123048][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.131935][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.140792][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.149970][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.158926][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.171507][ T9216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.191755][ T9215] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 94.203023][ T9215] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.228307][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.237406][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.246627][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.258126][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.267511][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.303649][ T9216] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.325548][ T9215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.349121][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.359157][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 94.367764][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.391056][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.404010][ T9207] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.424298][ T9213] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.462591][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 94.485829][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.494403][ T2667] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.501630][ T2667] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.530755][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.540746][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.549909][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.576696][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.593110][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.601694][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 94.618374][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.630726][ T2667] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.637862][ T2667] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.646102][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 94.655300][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.663920][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.672980][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.681961][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.690386][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 94.709905][ T9211] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.723462][ T9211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 94.738277][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 94.747431][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 94.756312][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 94.765354][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 94.793255][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 94.825931][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 94.862768][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 94.893774][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 94.910856][ T9220] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 94.944030][ T9216] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 94.974428][ T9216] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.002980][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 95.016834][ T2667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.041812][ T9211] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.073212][ T9216] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/07/17 15:28:54 executed programs: 8 [ 99.154815][ C0] ------------[ cut here ]------------ [ 99.160574][ C0] refcount_t: increment on 0; use-after-free. [ 99.167017][ C0] WARNING: CPU: 0 PID: 9477 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 99.175608][ T9509] ================================================================== [ 99.176137][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 99.176166][ C0] CPU: 0 PID: 9477 Comm: syz-executor.0 Not tainted 5.2.0-next-20190717 #40 [ 99.184332][ T9509] BUG: KASAN: use-after-free in refcount_inc_not_zero_checked+0x81/0x200 [ 99.190923][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.199606][ T9509] Read of size 4 at addr ffff888095decd00 by task syz-executor.2/9509 [ 99.209537][ C0] Call Trace: [ 99.219609][ T9509] [ 99.227869][ C0] [ 99.236364][ C0] dump_stack+0x172/0x1f0 [ 99.240716][ C0] ? refcount_inc_checked+0x30/0x70 [ 99.245930][ C0] panic+0x2dc/0x755 [ 99.249834][ C0] ? add_taint.cold+0x16/0x16 [ 99.254525][ C0] ? __kasan_check_write+0x14/0x20 [ 99.259671][ C0] ? __warn.cold+0x5/0x4c [ 99.264020][ C0] ? __warn+0xe7/0x1e0 [ 99.268105][ C0] ? refcount_inc_checked+0x61/0x70 [ 99.273310][ C0] __warn.cold+0x20/0x4c [ 99.277563][ C0] ? vprintk_emit+0x1ea/0x700 [ 99.282261][ C0] ? refcount_inc_checked+0x61/0x70 [ 99.287474][ C0] report_bug+0x263/0x2b0 [ 99.291822][ C0] do_error_trap+0x11b/0x200 [ 99.296417][ C0] do_invalid_op+0x37/0x50 [ 99.300862][ C0] ? refcount_inc_checked+0x61/0x70 [ 99.306069][ C0] invalid_op+0x14/0x20 [ 99.310232][ C0] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 99.316885][ C0] Code: 1d 1f 49 64 06 31 ff 89 de e8 1b 85 35 fe 84 db 75 dd e8 d2 83 35 fe 48 c7 c7 80 11 c6 87 c6 05 ff 48 64 06 01 e8 b7 eb 06 fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 99.336496][ C0] RSP: 0018:ffff8880ae809bf0 EFLAGS: 00010282 [ 99.342561][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 99.350539][ C0] RDX: 0000000000000100 RSI: ffffffff815c3a26 RDI: ffffed1015d01370 [ 99.358532][ C0] RBP: ffff8880ae809c00 R08: ffff888093ff2100 R09: fffffbfff14a7b57 [ 99.366529][ C0] R10: fffffbfff14a7b56 R11: ffffffff8a53dab7 R12: ffff888095decd00 [ 99.374511][ C0] R13: ffff888095decce8 R14: ffff888095dec488 R15: ffff888095dec460 [ 99.382516][ C0] ? vprintk_func+0x86/0x189 [ 99.387119][ C0] nr_insert_socket+0x2d/0xe0 [ 99.391803][ C0] nr_rx_frame+0x1605/0x1e73 [ 99.396420][ C0] nr_loopback_timer+0x7b/0x170 [ 99.401289][ C0] call_timer_fn+0x1ac/0x780 [ 99.405888][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 99.411361][ C0] ? msleep_interruptible+0x150/0x150 [ 99.416737][ C0] ? run_timer_softirq+0x685/0x17a0 [ 99.421939][ C0] ? trace_hardirqs_on+0x67/0x240 [ 99.426962][ C0] ? __kasan_check_read+0x11/0x20 [ 99.431994][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 99.437474][ C0] ? nr_process_rx_frame+0x1540/0x1540 [ 99.442966][ C0] run_timer_softirq+0x697/0x17a0 [ 99.448020][ C0] ? add_timer+0x930/0x930 [ 99.452451][ C0] ? kvm_clock_read+0x18/0x30 [ 99.457130][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 99.462245][ C0] ? sched_clock+0x2e/0x50 [ 99.466667][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.472914][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.479171][ C0] __do_softirq+0x262/0x98c [ 99.483695][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 99.488558][ C0] irq_exit+0x19b/0x1e0 [ 99.492712][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 99.498263][ C0] apic_timer_interrupt+0xf/0x20 [ 99.503200][ C0] [ 99.506148][ C0] RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 [ 99.511974][ C0] Code: c0 a0 f0 d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 35 ef 98 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f2 ab 14 fa 65 8b 05 03 fc c7 78 85 c0 74 06 41 [ 99.531596][ C0] RSP: 0018:ffff8880a474fb20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 99.540021][ C0] RAX: 1ffffffff11a5e14 RBX: ffff888093ff2100 RCX: 0000000000000000 [ 99.548006][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff888093ff2994 [ 99.555994][ C0] RBP: ffff8880a474fb28 R08: ffff888093ff2100 R09: 0000000000000000 [ 99.563979][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae835580 [ 99.571965][ C0] R13: ffffffff88c7a1c0 R14: ffff88808bd60b40 R15: 0000000000000000 [ 99.579980][ C0] finish_task_switch+0x147/0x720 [ 99.585009][ C0] ? finish_task_switch+0x119/0x720 [ 99.590223][ C0] __schedule+0x75d/0x1580 [ 99.594650][ C0] ? __sched_text_start+0x8/0x8 [ 99.599509][ C0] ? enqueue_hrtimer+0x420/0x420 [ 99.604464][ C0] schedule+0xa8/0x270 [ 99.608540][ C0] do_nanosleep+0x201/0x6a0 [ 99.613075][ C0] ? schedule_timeout_idle+0x90/0x90 [ 99.618405][ C0] ? memset+0x32/0x40 [ 99.622408][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.628678][ C0] ? __hrtimer_init+0xe1/0x250 [ 99.633468][ C0] hrtimer_nanosleep+0x2a6/0x570 [ 99.638418][ C0] ? nanosleep_copyout+0x110/0x110 [ 99.643564][ C0] ? clock_was_set_work+0x30/0x30 [ 99.648659][ C0] __x64_sys_nanosleep+0x1a6/0x220 [ 99.653811][ C0] ? hrtimer_nanosleep+0x570/0x570 [ 99.658943][ C0] ? do_syscall_64+0x26/0x6a0 [ 99.663629][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 99.668926][ C0] ? trace_hardirqs_on+0x67/0x240 [ 99.673968][ C0] do_syscall_64+0xfd/0x6a0 [ 99.678511][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.684501][ C0] RIP: 0033:0x457ce1 [ 99.688412][ C0] Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 d3 fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 99.708117][ C0] RSP: 002b:00007ffc0b3a5ae0 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 [ 99.716545][ C0] RAX: ffffffffffffffda RBX: 00000000000184ab RCX: 0000000000457ce1 [ 99.724525][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc0b3a5af0 [ 99.732508][ C0] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 99.740491][ C0] R10: 00007ffc0b3a5be0 R11: 0000000000000293 R12: 000000000075bf20 [ 99.748475][ C0] R13: 000000000075c9a0 R14: 0000000000760a68 R15: ffffffffffffffff [ 99.756503][ T9509] CPU: 1 PID: 9509 Comm: syz-executor.2 Not tainted 5.2.0-next-20190717 #40 [ 99.765208][ T9509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.775293][ T9509] Call Trace: [ 99.778609][ T9509] dump_stack+0x172/0x1f0 [ 99.782971][ T9509] ? refcount_inc_not_zero_checked+0x81/0x200 [ 99.789089][ T9509] print_address_description.cold+0xd4/0x306 [ 99.795093][ T9509] ? refcount_inc_not_zero_checked+0x81/0x200 [ 99.801175][ T9509] ? refcount_inc_not_zero_checked+0x81/0x200 [ 99.807258][ T9509] __kasan_report.cold+0x1b/0x36 [ 99.812206][ T9509] ? refcount_inc_not_zero_checked+0x81/0x200 [ 99.818282][ T9509] kasan_report+0x12/0x17 [ 99.822628][ T9509] check_memory_region+0x134/0x1a0 [ 99.827759][ T9509] __kasan_check_read+0x11/0x20 [ 99.832626][ T9509] refcount_inc_not_zero_checked+0x81/0x200 [ 99.838545][ T9509] ? refcount_dec_and_mutex_lock+0x90/0x90 [ 99.844370][ T9509] ? __kasan_check_write+0x14/0x20 [ 99.849498][ T9509] refcount_inc_checked+0x17/0x70 [ 99.854541][ T9509] nr_release+0x62/0x3e0 [ 99.858800][ T9509] __sock_release+0xce/0x280 [ 99.863419][ T9509] sock_close+0x1e/0x30 [ 99.867580][ T9509] __fput+0x2ff/0x890 [ 99.871574][ T9509] ? __sock_release+0x280/0x280 [ 99.876437][ T9509] ____fput+0x16/0x20 [ 99.880525][ T9509] task_work_run+0x145/0x1c0 [ 99.885133][ T9509] exit_to_usermode_loop+0x316/0x380 [ 99.890431][ T9509] do_syscall_64+0x5a9/0x6a0 [ 99.895031][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.900955][ T9509] RIP: 0033:0x413501 [ 99.904857][ T9509] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 99.924474][ T9509] RSP: 002b:00007ffe6b4bd650 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 99.932903][ T9509] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413501 [ 99.940895][ T9509] RDX: 0000001b33120000 RSI: 0000000000000000 RDI: 0000000000000003 [ 99.948893][ T9509] RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff [ 99.956880][ T9509] R10: 00007ffe6b4bd730 R11: 0000000000000293 R12: 000000000075c9a0 [ 99.964865][ T9509] R13: 000000000075c9a0 R14: 0000000000760a68 R15: ffffffffffffffff [ 99.972861][ T9509] [ 99.975201][ T9509] Allocated by task 9477: [ 99.979552][ T9509] save_stack+0x23/0x90 [ 99.983709][ T9509] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 99.989352][ T9509] kasan_kmalloc+0x9/0x10 [ 99.993688][ T9509] __kmalloc+0x163/0x770 [ 99.997950][ T9509] sk_prot_alloc+0x23a/0x310 [ 100.002536][ T9509] sk_alloc+0x39/0xf70 [ 100.006611][ T9509] nr_rx_frame+0x733/0x1e73 [ 100.011120][ T9509] nr_loopback_timer+0x7b/0x170 [ 100.015987][ T9509] call_timer_fn+0x1ac/0x780 [ 100.020584][ T9509] run_timer_softirq+0x697/0x17a0 [ 100.025708][ T9509] __do_softirq+0x262/0x98c [ 100.030213][ T9509] [ 100.032544][ T9509] Freed by task 9512: [ 100.036536][ T9509] save_stack+0x23/0x90 [ 100.040696][ T9509] __kasan_slab_free+0x102/0x150 [ 100.045634][ T9509] kasan_slab_free+0xe/0x10 [ 100.050134][ T9509] kfree+0x10a/0x2c0 [ 100.054028][ T9509] __sk_destruct+0x4f7/0x6e0 [ 100.058615][ T9509] sk_destruct+0x86/0xa0 [ 100.062856][ T9509] __sk_free+0xfb/0x360 [ 100.067013][ T9509] sk_free+0x42/0x50 [ 100.070906][ T9509] sock_efree+0x61/0x80 [ 100.075071][ T9509] skb_release_head_state+0xeb/0x250 [ 100.080452][ T9509] skb_release_all+0x16/0x60 [ 100.085065][ T9509] kfree_skb+0x101/0x3c0 [ 100.089321][ T9509] nr_accept+0x56e/0x700 [ 100.093573][ T9509] __sys_accept4+0x34e/0x6a0 [ 100.098275][ T9509] __x64_sys_accept4+0x97/0xf0 [ 100.103045][ T9509] do_syscall_64+0xfd/0x6a0 [ 100.107637][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.113522][ T9509] [ 100.115852][ T9509] The buggy address belongs to the object at ffff888095decc80 [ 100.115852][ T9509] which belongs to the cache kmalloc-2k of size 2048 [ 100.129919][ T9509] The buggy address is located 128 bytes inside of [ 100.129919][ T9509] 2048-byte region [ffff888095decc80, ffff888095ded480) [ 100.143307][ T9509] The buggy address belongs to the page: [ 100.148964][ T9509] page:ffffea0002577b00 refcount:1 mapcount:0 mapping:ffff8880aa400e00 index:0x0 compound_mapcount: 0 [ 100.159916][ T9509] flags: 0x1fffc0000010200(slab|head) [ 100.165403][ T9509] raw: 01fffc0000010200 ffffea000256f708 ffffea0002565e08 ffff8880aa400e00 [ 100.174010][ T9509] raw: 0000000000000000 ffff888095dec400 0000000100000003 0000000000000000 [ 100.182617][ T9509] page dumped because: kasan: bad access detected [ 100.189153][ T9509] [ 100.191488][ T9509] Memory state around the buggy address: [ 100.197128][ T9509] ffff888095decc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.205199][ T9509] ffff888095decc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.213295][ T9509] >ffff888095decd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.221361][ T9509] ^ [ 100.225438][ T9509] ffff888095decd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.233512][ T9509] ffff888095dece00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.241841][ T9509] ================================================================== [ 100.249913][ T9509] Disabling lock debugging due to kernel taint [ 100.257259][ C0] Kernel Offset: disabled [ 100.261628][ C0] Rebooting in 86400 seconds..