Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 38.959244][ T27] audit: type=1400 audit(1589570567.536:8): avc: denied { execmem } for pid=6597 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.970484][ T6598] IPVS: ftp: loaded support on port[0] = 21 [ 39.311991][ T7] tipc: TX() has been purged, node left! [ 39.522622][ T6573] can: request_module (can-proto-0) failed. [ 42.430757][ T6573] can: request_module (can-proto-0) failed. [ 42.466304][ T27] audit: type=1400 audit(1589570571.047:9): avc: denied { create } for pid=6573 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. 2020/05/15 19:22:59 parsed 1 programs 2020/05/15 19:23:00 executed programs: 0 [ 51.759056][ T27] audit: type=1400 audit(1589570580.339:10): avc: denied { execmem } for pid=6715 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.799526][ T6717] IPVS: ftp: loaded support on port[0] = 21 [ 51.855826][ T6719] IPVS: ftp: loaded support on port[0] = 21 [ 51.876065][ T6723] IPVS: ftp: loaded support on port[0] = 21 [ 51.894847][ T6728] IPVS: ftp: loaded support on port[0] = 21 [ 51.921168][ T6740] IPVS: ftp: loaded support on port[0] = 21 [ 51.937191][ T6739] IPVS: ftp: loaded support on port[0] = 21 [ 52.121666][ T6740] chnl_net:caif_netlink_parms(): no params data found [ 52.156812][ T6717] chnl_net:caif_netlink_parms(): no params data found [ 52.232551][ T6719] chnl_net:caif_netlink_parms(): no params data found [ 52.287540][ T6740] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.301427][ T6740] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.310399][ T6740] device bridge_slave_0 entered promiscuous mode [ 52.359253][ T6740] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.366323][ T6740] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.375685][ T6740] device bridge_slave_1 entered promiscuous mode [ 52.401721][ T6728] chnl_net:caif_netlink_parms(): no params data found [ 52.425362][ T6723] chnl_net:caif_netlink_parms(): no params data found [ 52.458902][ T6739] chnl_net:caif_netlink_parms(): no params data found [ 52.478213][ T6717] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.486616][ T6717] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.496735][ T6717] device bridge_slave_0 entered promiscuous mode [ 52.505922][ T6740] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.517785][ T6740] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.548056][ T6719] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.556998][ T6719] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.566080][ T6719] device bridge_slave_0 entered promiscuous mode [ 52.573957][ T6717] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.582094][ T6717] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.591030][ T6717] device bridge_slave_1 entered promiscuous mode [ 52.624435][ T6719] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.631718][ T6719] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.640887][ T6719] device bridge_slave_1 entered promiscuous mode [ 52.672739][ T6740] team0: Port device team_slave_0 added [ 52.680155][ T6723] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.687208][ T6723] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.695682][ T6723] device bridge_slave_0 entered promiscuous mode [ 52.707434][ T6723] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.714786][ T6723] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.722958][ T6723] device bridge_slave_1 entered promiscuous mode [ 52.741574][ T6717] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.751026][ T6728] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.758077][ T6728] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.770914][ T6728] device bridge_slave_0 entered promiscuous mode [ 52.779507][ T6728] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.786685][ T6728] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.795652][ T6728] device bridge_slave_1 entered promiscuous mode [ 52.808091][ T6740] team0: Port device team_slave_1 added [ 52.822775][ T6739] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.833962][ T6739] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.842979][ T6739] device bridge_slave_0 entered promiscuous mode [ 52.858341][ T6717] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.874575][ T6723] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.893983][ T6719] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.904640][ T6728] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.915041][ T6739] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.922313][ T6739] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.930796][ T6739] device bridge_slave_1 entered promiscuous mode [ 52.944017][ T6723] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.963346][ T6719] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.977391][ T6728] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.061417][ T6740] device hsr_slave_0 entered promiscuous mode [ 53.102162][ T6740] device hsr_slave_1 entered promiscuous mode [ 53.176137][ T6717] team0: Port device team_slave_0 added [ 53.205784][ T6723] team0: Port device team_slave_0 added [ 53.218081][ T6739] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.230145][ T6728] team0: Port device team_slave_0 added [ 53.237827][ T6717] team0: Port device team_slave_1 added [ 53.246200][ T6719] team0: Port device team_slave_0 added [ 53.254346][ T6723] team0: Port device team_slave_1 added [ 53.262027][ T6739] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.296023][ T6728] team0: Port device team_slave_1 added [ 53.304698][ T6719] team0: Port device team_slave_1 added [ 53.317717][ T6739] team0: Port device team_slave_0 added [ 53.327278][ T6739] team0: Port device team_slave_1 added [ 53.401352][ T6719] device hsr_slave_0 entered promiscuous mode [ 53.452028][ T6719] device hsr_slave_1 entered promiscuous mode [ 53.518722][ T6719] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.526637][ T6719] Cannot create hsr debugfs directory [ 53.592373][ T6728] device hsr_slave_0 entered promiscuous mode [ 53.638578][ T6728] device hsr_slave_1 entered promiscuous mode [ 53.688437][ T6728] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.696022][ T6728] Cannot create hsr debugfs directory [ 53.751100][ T6717] device hsr_slave_0 entered promiscuous mode [ 53.791959][ T6717] device hsr_slave_1 entered promiscuous mode [ 53.828242][ T6717] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 53.835956][ T6717] Cannot create hsr debugfs directory [ 53.892290][ T6739] device hsr_slave_0 entered promiscuous mode [ 53.938588][ T6739] device hsr_slave_1 entered promiscuous mode [ 53.998297][ T6739] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.005876][ T6739] Cannot create hsr debugfs directory [ 54.051115][ T6723] device hsr_slave_0 entered promiscuous mode [ 54.118601][ T6723] device hsr_slave_1 entered promiscuous mode [ 54.158230][ T6723] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.165987][ T6723] Cannot create hsr debugfs directory [ 54.242984][ T6740] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.298817][ T6740] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.318082][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.326552][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.362772][ T6739] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.377645][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.387009][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.396433][ T2632] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.403761][ T2632] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.412303][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.432392][ T6739] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.457534][ T6719] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.466022][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.477309][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.488399][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.497163][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.506004][ T2632] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.513224][ T2632] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.521043][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.530096][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.538733][ T2632] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.545936][ T2632] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.557066][ T6717] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.579502][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.587813][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.596968][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.606719][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.616963][ T2632] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.624128][ T2632] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.631919][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.640885][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.649123][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.674083][ T6717] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.702880][ T6728] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.709895][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.723190][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.732968][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.744665][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.752973][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.762363][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.771469][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.780764][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.789632][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.798305][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.806515][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.815031][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.823710][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.832165][ T2632] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.847711][ T6719] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.871847][ T6739] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.882428][ T6739] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.896767][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.907054][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.915981][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.924605][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.933211][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.945880][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.954733][ T3832] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.962037][ T3832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.970222][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.978894][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.987318][ T3832] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.995067][ T3832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.003241][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.012248][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.021258][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.029656][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.039105][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.047036][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.055008][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.064302][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.074099][ T3832] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.081237][ T3832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.097305][ T6728] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.111596][ T6740] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.121295][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.130553][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.140965][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.149303][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.156959][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.168892][ T6723] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.202735][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.212570][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.226735][ T3832] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.234164][ T3832] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.242778][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.251584][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.260092][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.268604][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.277023][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.285945][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.294397][ T3832] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.301528][ T3832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.309414][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.329420][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.337286][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.346132][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.355295][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.365286][ T3832] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.372419][ T3832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.380407][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.389592][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.398756][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.407120][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.416101][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.426606][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.436644][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.445864][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.455693][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.468296][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.475981][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.491270][ T6719] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.507116][ T6723] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.522274][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.532173][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.546236][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.560652][ T6740] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.574307][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.583805][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.598855][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.607667][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.616289][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.625793][ T3832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.635481][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.645063][ T6739] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.662280][ T6728] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.678742][ T6728] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.692383][ T6717] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.703606][ T6717] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.725835][ T6719] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.741126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.753628][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.770350][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.777427][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.786127][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.795486][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.804098][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.812881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.823244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.831932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.860290][ T6717] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.900229][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.913840][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.937126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.950442][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.972690][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.979898][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.992728][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.025725][ T6728] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.053822][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.064337][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.074364][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.101998][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.120409][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.135725][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.145279][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.155010][ T3833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.177590][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.192451][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.215699][ T6723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.302176][ T6723] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.685012][ T7596] sched: DL replenish lagged too much [ 56.734323][ T7608] ------------[ cut here ]------------ [ 56.740184][ T7608] WARNING: CPU: 1 PID: 7608 at kernel/sched/deadline.c:662 enqueue_task_dl+0x1bff/0x2b60 [ 56.749986][ T7608] Kernel panic - not syncing: panic_on_warn set ... [ 56.756680][ T7608] CPU: 1 PID: 7608 Comm: syz-executor.1 Not tainted 5.7.0-rc5-syzkaller #0 [ 56.765295][ T7608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.775700][ T7608] Call Trace: [ 56.778982][ T7608] dump_stack+0x12d/0x187 [ 56.784086][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 56.789191][ T7608] panic+0x22a/0x4e3 [ 56.793072][ T7608] ? add_taint.cold.7+0x11/0x11 [ 56.797897][ T7608] __warn.cold.10+0x25/0x2a [ 56.802484][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 56.807592][ T7608] report_bug+0x1b0/0x270 [ 56.811914][ T7608] do_error_trap+0x11b/0x200 [ 56.816473][ T7608] do_invalid_op+0x36/0x40 [ 56.820980][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 56.826089][ T7608] invalid_op+0x23/0x30 [ 56.830471][ T7608] RIP: 0010:enqueue_task_dl+0x1bff/0x2b60 [ 56.836612][ T7608] Code: 89 45 c8 e8 23 71 51 00 be ff ff 37 00 4c 8b 45 a8 48 8b 55 b0 48 c1 e6 2a 4c 8b 55 b8 44 8b 4d c0 48 8b 45 c8 e9 1f e7 ff ff <0f> 0b e9 a8 f4 ff ff 0f 0b e9 0d f5 ff ff 48 89 d7 4c 89 45 b0 44 [ 56.856288][ T7608] RSP: 0018:ffff88809436fc98 EFLAGS: 00010002 [ 56.862704][ T7608] RAX: 0000000000000000 RBX: ffff8880a12ae040 RCX: ffffffff89685094 [ 56.870906][ T7608] RDX: ffff8880a12ae300 RSI: 0000000000000002 RDI: ffffffff88545928 [ 56.878957][ T7608] RBP: ffff88809436fd10 R08: ffff8880a12ae07c R09: 0000000d09e7dedf [ 56.887062][ T7608] R10: 1ffffffff10a8b25 R11: ffffed1015d670eb R12: ffff8880a12ae30c [ 56.895149][ T7608] R13: ffff8880aeb378c0 R14: ffff8880a12ae2b8 R15: ffff8880aeb378c0 [ 56.903204][ T7608] ? enqueue_task_dl+0x174b/0x2b60 [ 56.908315][ T7608] ? dequeue_task_fair+0x13e/0xbe0 [ 56.913414][ T7608] enqueue_task+0xad/0x2c0 [ 56.917998][ T7608] __sched_setscheduler+0xf03/0x2270 [ 56.923529][ T7608] ? cpu_cgroup_fork+0xd0/0xd0 [ 56.928897][ T7608] ? __kasan_check_read+0x11/0x20 [ 56.935206][ T7608] __x64_sys_sched_setattr+0x1c7/0x330 [ 56.940666][ T7608] ? __ia32_sys_sched_setparam+0x80/0x80 [ 56.946541][ T7608] ? do_syscall_64+0x21/0x630 [ 56.951303][ T7608] ? trace_hardirqs_on+0x28/0x1a0 [ 56.956439][ T7608] do_syscall_64+0xca/0x630 [ 56.960935][ T7608] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.966965][ T7608] RIP: 0033:0x459819 [ 56.971105][ T7608] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.991491][ T7608] RSP: 002b:00007fdb58c89c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 56.999998][ T7608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 57.007944][ T7608] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 57.015926][ T7608] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 57.024128][ T7608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdb58c8a6d4 [ 57.032094][ T7608] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 57.040130][ T7608] [ 57.040131][ T7608] ====================================================== [ 57.040132][ T7608] WARNING: possible circular locking dependency detected [ 57.040133][ T7608] 5.7.0-rc5-syzkaller #0 Not tainted [ 57.040134][ T7608] ------------------------------------------------------ [ 57.040135][ T7608] syz-executor.1/7608 is trying to acquire lock: [ 57.040136][ T7608] ffffffff889abe18 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0x13/0x70 [ 57.040139][ T7608] [ 57.040140][ T7608] but task is already holding lock: [ 57.040141][ T7608] ffff8880aeb378d8 (&rq->lock){-.-.}-{2:2}, at: task_rq_lock+0xc1/0x2c0 [ 57.040143][ T7608] [ 57.040144][ T7608] which lock already depends on the new lock. [ 57.040145][ T7608] [ 57.040145][ T7608] [ 57.040146][ T7608] the existing dependency chain (in reverse order) is: [ 57.040147][ T7608] [ 57.040147][ T7608] -> #2 (&rq->lock){-.-.}-{2:2}: [ 57.040150][ T7608] _raw_spin_lock+0x2d/0x40 [ 57.040151][ T7608] task_fork_fair+0x65/0x4b0 [ 57.040152][ T7608] sched_fork+0x3ad/0x8b0 [ 57.040152][ T7608] copy_process+0x1bb8/0x6250 [ 57.040153][ T7608] _do_fork+0xec/0xc30 [ 57.040154][ T7608] kernel_thread+0xa6/0xe0 [ 57.040155][ T7608] rest_init+0x21/0x26f [ 57.040155][ T7608] arch_call_rest_init+0x9/0xc [ 57.040156][ T7608] start_kernel+0x7f5/0x830 [ 57.040157][ T7608] x86_64_start_reservations+0x29/0x2b [ 57.040158][ T7608] x86_64_start_kernel+0x76/0x79 [ 57.040158][ T7608] secondary_startup_64+0xa4/0xb0 [ 57.040159][ T7608] [ 57.040160][ T7608] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 57.040162][ T7608] _raw_spin_lock_irqsave+0x99/0xd0 [ 57.040163][ T7608] try_to_wake_up+0xa6/0x18f0 [ 57.040164][ T7608] wake_up_process+0x10/0x20 [ 57.040165][ T7608] __up.isra.1+0x136/0x1a0 [ 57.040165][ T7608] up+0x95/0xe0 [ 57.040166][ T7608] __up_console_sem+0x9b/0x150 [ 57.040167][ T7608] console_unlock+0x531/0xbd0 [ 57.040168][ T7608] vprintk_emit+0x19a/0x560 [ 57.040168][ T7608] vprintk_default+0x1a/0x20 [ 57.040169][ T7608] vprintk_func+0x49/0x12c [ 57.040170][ T7608] printk+0x9a/0xc0 [ 57.040171][ T7608] kauditd_hold_skb.cold.28+0x3a/0x49 [ 57.040171][ T7608] kauditd_send_queue+0x119/0x160 [ 57.040172][ T7608] kauditd_thread+0x555/0x800 [ 57.040173][ T7608] kthread+0x354/0x420 [ 57.040173][ T7608] ret_from_fork+0x24/0x30 [ 57.040174][ T7608] [ 57.040174][ T7608] -> #0 ((console_sem).lock){-...}-{2:2}: [ 57.040177][ T7608] __lock_acquire+0x26d7/0x3bf0 [ 57.040178][ T7608] lock_acquire+0x209/0x9e0 [ 57.040179][ T7608] _raw_spin_lock_irqsave+0x99/0xd0 [ 57.040179][ T7608] down_trylock+0x13/0x70 [ 57.040180][ T7608] __down_trylock_console_sem+0x93/0x190 [ 57.040181][ T7608] console_trylock+0x11/0x50 [ 57.040182][ T7608] vprintk_emit+0x18d/0x560 [ 57.040182][ T7608] vprintk_default+0x1a/0x20 [ 57.040183][ T7608] vprintk_func+0x49/0x12c [ 57.040184][ T7608] printk+0x9a/0xc0 [ 57.040185][ T7608] report_bug.cold.2+0x34/0x59 [ 57.040185][ T7608] do_error_trap+0x11b/0x200 [ 57.040186][ T7608] do_invalid_op+0x36/0x40 [ 57.040187][ T7608] invalid_op+0x23/0x30 [ 57.040188][ T7608] enqueue_task_dl+0x1bff/0x2b60 [ 57.040188][ T7608] enqueue_task+0xad/0x2c0 [ 57.040189][ T7608] __sched_setscheduler+0xf03/0x2270 [ 57.040190][ T7608] __x64_sys_sched_setattr+0x1c7/0x330 [ 57.040191][ T7608] do_syscall_64+0xca/0x630 [ 57.040192][ T7608] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.040192][ T7608] [ 57.040193][ T7608] other info that might help us debug this: [ 57.040193][ T7608] [ 57.040194][ T7608] Chain exists of: [ 57.040195][ T7608] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 57.040198][ T7608] [ 57.040199][ T7608] Possible unsafe locking scenario: [ 57.040199][ T7608] [ 57.040200][ T7608] CPU0 CPU1 [ 57.040201][ T7608] ---- ---- [ 57.040201][ T7608] lock(&rq->lock); [ 57.040203][ T7608] lock(&p->pi_lock); [ 57.040205][ T7608] lock(&rq->lock); [ 57.040206][ T7608] lock((console_sem).lock); [ 57.040208][ T7608] [ 57.040209][ T7608] *** DEADLOCK *** [ 57.040209][ T7608] [ 57.040210][ T7608] 3 locks held by syz-executor.1/7608: [ 57.040210][ T7608] #0: ffffffff889e4a50 (&cpuset_rwsem){++++}-{0:0}, at: __sched_setscheduler+0xcf2/0x2270 [ 57.040214][ T7608] #1: ffff8880a12ae848 (&p->pi_lock){-.-.}-{2:2}, at: task_rq_lock+0x62/0x2c0 [ 57.040217][ T7608] #2: ffff8880aeb378d8 (&rq->lock){-.-.}-{2:2}, at: task_rq_lock+0xc1/0x2c0 [ 57.040220][ T7608] [ 57.040221][ T7608] stack backtrace: [ 57.040222][ T7608] CPU: 1 PID: 7608 Comm: syz-executor.1 Not tainted 5.7.0-rc5-syzkaller #0 [ 57.040223][ T7608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.040224][ T7608] Call Trace: [ 57.040224][ T7608] dump_stack+0x12d/0x187 [ 57.040225][ T7608] print_circular_bug.isra.41.cold.60+0x15a/0x169 [ 57.040226][ T7608] check_noncircular+0x349/0x400 [ 57.040227][ T7608] ? print_circular_bug.isra.41+0x3f0/0x3f0 [ 57.040227][ T7608] __lock_acquire+0x26d7/0x3bf0 [ 57.040228][ T7608] ? save_trace+0x45/0xab0 [ 57.040229][ T7608] ? mark_held_locks+0x130/0x130 [ 57.040229][ T7608] lock_acquire+0x209/0x9e0 [ 57.040230][ T7608] ? down_trylock+0x13/0x70 [ 57.040231][ T7608] ? lock_release+0x960/0x960 [ 57.040232][ T7608] ? _raw_spin_lock_irqsave+0x74/0xd0 [ 57.040232][ T7608] ? vprintk_emit+0x18d/0x560 [ 57.040233][ T7608] ? vprintk_emit+0x18d/0x560 [ 57.040234][ T7608] _raw_spin_lock_irqsave+0x99/0xd0 [ 57.040235][ T7608] ? down_trylock+0x13/0x70 [ 57.040235][ T7608] down_trylock+0x13/0x70 [ 57.040236][ T7608] ? vprintk_emit+0x18d/0x560 [ 57.040237][ T7608] __down_trylock_console_sem+0x93/0x190 [ 57.040237][ T7608] console_trylock+0x11/0x50 [ 57.040238][ T7608] vprintk_emit+0x18d/0x560 [ 57.040239][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 57.040239][ T7608] vprintk_default+0x1a/0x20 [ 57.040240][ T7608] vprintk_func+0x49/0x12c [ 57.040241][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 57.040242][ T7608] printk+0x9a/0xc0 [ 57.040242][ T7608] ? kmsg_dump_rewind_nolock+0xdf/0xdf [ 57.040243][ T7608] ? ist_end_non_atomic+0x10/0x10 [ 57.040244][ T7608] report_bug.cold.2+0x34/0x59 [ 57.040245][ T7608] do_error_trap+0x11b/0x200 [ 57.040245][ T7608] do_invalid_op+0x36/0x40 [ 57.040246][ T7608] ? enqueue_task_dl+0x1bff/0x2b60 [ 57.040247][ T7608] invalid_op+0x23/0x30 [ 57.040247][ T7608] RIP: 0010:enqueue_task_dl+0x1bff/0x2b60 [ 57.040249][ T7608] Code: 89 45 c8 e8 23 71 51 00 be ff ff 37 00 4c 8b 45 a8 48 8b 55 b0 48 c1 e6 2a 4c 8b 55 b8 44 8b 4d c0 48 8b 45 c8 e9 1f e7 ff ff <0f> 0b e9 a8 f4 ff ff 0f 0b e9 0d f5 ff ff 48 89 d7 4c 89 45 b0 44 [ 57.040250][ T7608] RSP: 0018:ffff88809436fc98 EFLAGS: 00010002 [ 57.040252][ T7608] RAX: 0000000000000000 RBX: ffff8880a12ae040 RCX: ffffffff89685094 [ 57.040253][ T7608] RDX: ffff8880a12ae300 RSI: 0000000000000002 RDI: ffffffff88545928 [ 57.040254][ T7608] RBP: ffff88809436fd10 R08: ffff8880a12ae07c R09: 0000000d09e7dedf [ 57.040255][ T7608] R10: 1ffffffff10a8b25 R11: ffffed1015d670eb R12: ffff8880a12ae30c [ 57.040256][ T7608] R13: ffff8880aeb378c0 R14: ffff8880a12ae2b8 R15: ffff8880aeb378c0 [ 57.040257][ T7608] ? enqueue_task_dl+0x174b/0x2b60 [ 57.040258][ T7608] ? dequeue_task_fair+0x13e/0xbe0 [ 57.040258][ T7608] enqueue_task+0xad/0x2c0 [ 57.040259][ T7608] __sched_setscheduler+0xf03/0x2270 [ 57.040260][ T7608] ? cpu_cgroup_fork+0xd0/0xd0 [ 57.040260][ T7608] ? __kasan_check_read+0x11/0x20 [ 57.040261][ T7608] __x64_sys_sched_setattr+0x1c7/0x330 [ 57.040262][ T7608] ? __ia32_sys_sched_setparam+0x80/0x80 [ 57.040263][ T7608] ? do_syscall_64+0x21/0x630 [ 57.040263][ T7608] ? trace_hardirqs_on+0x28/0x1a0 [ 57.040264][ T7608] do_syscall_64+0xca/0x630 [ 57.040265][ T7608] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.040266][ T7608] RIP: 0033:0x459819 [ 57.040268][ T7608] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.040268][ T7608] RSP: 002b:00007fdb58c89c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 57.040270][ T7608] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 57.040271][ T7608] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 57.040272][ T7608] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 57.040273][ T7608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdb58c8a6d4 [ 57.040274][ T7608] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 58.177927][ T7608] Shutting down cpus with NMI [ 59.036003][ T7608] Kernel Offset: disabled [ 59.040338][ T7608] Rebooting in 86400 seconds..