[ 32.688684] audit: type=1800 audit(1572966930.333:33): pid=6812 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 32.715492] audit: type=1800 audit(1572966930.333:34): pid=6812 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.309609] random: sshd: uninitialized urandom read (32 bytes read) [ 36.692689] audit: type=1400 audit(1572966934.343:35): avc: denied { map } for pid=6986 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 36.737889] random: sshd: uninitialized urandom read (32 bytes read) [ 37.301005] random: sshd: uninitialized urandom read (32 bytes read) [ 47.772623] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.38' (ECDSA) to the list of known hosts. [ 53.253553] random: sshd: uninitialized urandom read (32 bytes read) [ 53.369827] audit: type=1400 audit(1572966951.013:36): avc: denied { map } for pid=6998 comm="syz-executor042" path="/root/syz-executor042009151" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 53.620899] IPVS: ftp: loaded support on port[0] = 21 [ 54.355079] audit: type=1400 audit(1572966952.003:37): avc: denied { create } for pid=7006 comm="syz-executor042" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 54.379405] audit: type=1400 audit(1572966952.003:38): avc: denied { write } for pid=7006 comm="syz-executor042" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 54.403384] audit: type=1400 audit(1572966952.003:39): avc: denied { read } for pid=7006 comm="syz-executor042" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 54.429516] IPVS: ftp: loaded support on port[0] = 21 [ 54.475665] chnl_net:caif_netlink_parms(): no params data found [ 54.519204] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.526896] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.534501] IPVS: ftp: loaded support on port[0] = 21 [ 54.541544] device bridge_slave_0 entered promiscuous mode [ 54.549650] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.556583] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.563427] device bridge_slave_1 entered promiscuous mode [ 54.584250] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.599542] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.624918] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.632429] team0: Port device team_slave_0 added [ 54.657926] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.665643] team0: Port device team_slave_1 added [ 54.673178] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.688170] chnl_net:caif_netlink_parms(): no params data found [ 54.697124] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.709072] IPVS: ftp: loaded support on port[0] = 21 [ 54.792030] device hsr_slave_0 entered promiscuous mode [ 54.830413] device hsr_slave_1 entered promiscuous mode [ 54.872816] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.907981] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.923228] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.929736] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.936754] device bridge_slave_0 entered promiscuous mode [ 54.959621] chnl_net:caif_netlink_parms(): no params data found [ 54.973326] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.979682] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.986959] device bridge_slave_1 entered promiscuous mode [ 55.005377] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.022151] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.028613] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.035516] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.041880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.054078] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.063521] IPVS: ftp: loaded support on port[0] = 21 [ 55.098901] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.107212] team0: Port device team_slave_0 added [ 55.127941] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.135567] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.142481] device bridge_slave_0 entered promiscuous mode [ 55.148807] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.156728] team0: Port device team_slave_1 added [ 55.162355] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.178548] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.185057] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.192268] device bridge_slave_1 entered promiscuous mode [ 55.198427] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.261965] device hsr_slave_0 entered promiscuous mode [ 55.300371] device hsr_slave_1 entered promiscuous mode [ 55.395897] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.404851] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.413887] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.422891] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.453235] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.459701] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.466313] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.472656] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.494190] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.501732] team0: Port device team_slave_0 added [ 55.507283] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.514546] team0: Port device team_slave_1 added [ 55.523414] chnl_net:caif_netlink_parms(): no params data found [ 55.531565] IPVS: ftp: loaded support on port[0] = 21 [ 55.543037] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.551356] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.558690] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.567962] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.574664] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.594927] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.616913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.632250] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.682405] device hsr_slave_0 entered promiscuous mode [ 55.720422] device hsr_slave_1 entered promiscuous mode [ 55.770766] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.777749] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.786700] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.801051] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.807147] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.819659] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.827936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.863436] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.874999] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.882233] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.889127] device bridge_slave_0 entered promiscuous mode [ 55.897393] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.903859] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.910902] device bridge_slave_1 entered promiscuous mode [ 55.923207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.932216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.939753] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.946140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.959291] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.004609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.012012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.019844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.027597] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.034006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.043170] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.065605] chnl_net:caif_netlink_parms(): no params data found [ 56.076172] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.086378] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.094405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.113771] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.131156] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.141973] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.152134] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.172412] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.179443] team0: Port device team_slave_0 added [ 56.185308] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.192981] team0: Port device team_slave_1 added [ 56.198543] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.220459] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.228122] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.252944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.259772] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.268517] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.275332] device bridge_slave_0 entered promiscuous mode [ 56.284143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.291080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.297814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.305564] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.313114] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.331425] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 56.337505] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.357632] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.364124] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.371497] device bridge_slave_1 entered promiscuous mode [ 56.388649] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.402807] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.412341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.423410] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.431442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.439002] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.446599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.454291] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.461914] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.468257] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.513598] device hsr_slave_0 entered promiscuous mode [ 56.550504] device hsr_slave_1 entered promiscuous mode [ 56.592073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.599519] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.618238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.626647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.634201] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.642078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.649747] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.656124] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.663195] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 56.671702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.678475] chnl_net:caif_netlink_parms(): no params data found [ 56.697933] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.706792] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 56.720353] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.726686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.734500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.741944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.751119] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.757976] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.769576] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.777692] team0: Port device team_slave_0 added [ 56.783454] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.791798] team0: Port device team_slave_1 added [ 56.797123] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.817555] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.836394] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.849771] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.869744] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 56.902105] device hsr_slave_0 entered promiscuous mode [ 56.942573] device hsr_slave_1 entered promiscuous mode [ 57.010411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.018373] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.029051] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.042996] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.049420] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.057008] device bridge_slave_0 entered promiscuous mode [ 57.063865] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.070954] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.077813] device bridge_slave_1 entered promiscuous mode [ 57.089122] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.097587] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.106076] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.118640] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.125574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.132453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.140373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.152117] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.161200] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.168362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.178892] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.189501] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.197037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.204494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.212655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.222800] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.231222] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 57.237304] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.249486] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.268976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.277588] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.287453] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.295667] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.303861] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 57.311424] team0: Port device team_slave_0 added [ 57.316881] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 57.324434] team0: Port device team_slave_1 added [ 57.329771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.337482] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.344976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.352940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.360582] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.366912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.374122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.381680] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.387856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.396933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.405244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.416715] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.425223] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.435532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.445573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.453395] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.459753] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.466991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.475087] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.483764] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.493999] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.508461] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 57.518749] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.537391] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.545754] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 57.553963] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.565893] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 57.578537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.588512] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.623969] device hsr_slave_0 entered promiscuous mode [ 57.660287] device hsr_slave_1 entered promiscuous mode [ 57.700917] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.709885] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.717184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.725279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.732090] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.740378] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready executing program [ 57.748484] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.766495] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.773847] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.781127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.788832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.796821] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.803323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.810702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.818440] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.826081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.833228] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.842130] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.864888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.871801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.879358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.888040] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.899419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.907134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 57.916398] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.925494] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.945381] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.953259] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready executing program executing program executing program executing program [ 57.960462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.968806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.977649] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.984044] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.992499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.000135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.009662] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready executing program [ 58.017770] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.025032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.040879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.050242] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.059422] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready executing program executing program executing program executing program [ 58.068178] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.081725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.089409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.097488] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.107960] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready executing program [ 58.115654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.124737] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.134297] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.141893] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.152599] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.161058] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready executing program [ 58.168848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.179323] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 58.192033] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.203091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready executing program [ 58.217478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.224479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.232844] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.241605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.249105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.259851] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program executing program executing program [ 58.275424] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.286387] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.294392] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.305633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.314272] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready executing program executing program executing program [ 58.322396] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.328869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.339307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.350617] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.356702] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.366801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready executing program executing program executing program [ 58.376546] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.384736] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.392968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.401997] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.408360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.416827] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready executing program executing program [ 58.428452] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.448001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.455582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.465506] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready executing program executing program executing program [ 58.478006] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.486528] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 58.498283] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.509200] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.516723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready executing program executing program [ 58.525315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.534021] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.542027] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.548438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.562170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.573104] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program executing program executing program [ 58.581034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.595896] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.605473] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.618575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready executing program executing program executing program [ 58.626044] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.636696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.646531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.654556] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.662734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.671780] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready executing program executing program executing program [ 58.679643] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.686039] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.698222] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.706916] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.717620] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready executing program executing program [ 58.736596] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.746574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.757840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.765946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.777359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready executing program [ 58.787127] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.794730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.802799] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.812198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.825654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.835679] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.843186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.851702] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.859219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.867652] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.876841] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program executing program [ 58.886427] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.895351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.907998] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.917958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.928252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready executing program executing program [ 58.941492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.952264] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.962525] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.972348] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.984559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready executing program executing program [ 58.992691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.007591] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 59.019089] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.026162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.036191] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program executing program executing program [ 59.044316] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.053110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.064962] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 59.079918] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready executing program executing program executing program executing program [ 59.089613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.096410] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.104094] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.128686] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.416049] ================================================================== [ 59.423583] BUG: KASAN: use-after-free in __vb2_cleanup_fileio+0x134/0x150 [ 59.430631] Write of size 4 at addr ffff8880a1f92040 by task syz-executor042/7328 [ 59.438230] [ 59.439853] CPU: 0 PID: 7328 Comm: syz-executor042 Not tainted 4.14.151 #0 [ 59.446901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.456237] Call Trace: [ 59.458815] dump_stack+0x138/0x197 [ 59.462435] ? __vb2_cleanup_fileio+0x134/0x150 [ 59.467084] print_address_description.cold+0x7c/0x1dc [ 59.472397] ? __vb2_cleanup_fileio+0x134/0x150 [ 59.477067] kasan_report.cold+0xa9/0x2af [ 59.481197] __asan_report_store4_noabort+0x17/0x20 [ 59.486208] __vb2_cleanup_fileio+0x134/0x150 [ 59.490684] vb2_core_queue_release+0x1d/0x80 [ 59.495173] _vb2_fop_release+0x1cf/0x2a0 [ 59.499311] vb2_fop_release+0x75/0xc0 [ 59.503179] vivid_fop_release+0x180/0x3f0 [ 59.507396] ? vivid_remove+0x3d0/0x3d0 [ 59.511362] ? dev_debug_store+0xe0/0xe0 [ 59.515417] v4l2_release+0xf9/0x190 [ 59.519118] __fput+0x275/0x7a0 [ 59.522456] ____fput+0x16/0x20 [ 59.525720] task_work_run+0x114/0x190 [ 59.529594] exit_to_usermode_loop+0x1da/0x220 [ 59.534164] do_syscall_64+0x4bc/0x640 [ 59.538033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.542865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.548038] RIP: 0033:0x44d059 [ 59.551207] RSP: 002b:00007fd168296ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 59.558942] RAX: 0000000000000000 RBX: 00000000006e5a08 RCX: 000000000044d059 [ 59.566209] RDX: 000000000044d059 RSI: 0000000000000000 RDI: 0000000000000005 [ 59.573479] RBP: 00000000006e5a00 R08: 0000000000000000 R09: 0000000000000000 [ 59.580733] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e5a0c [ 59.587982] R13: 00007fffe975cc8f R14: 00007fd1682979c0 R15: 20c49ba5e353f7cf [ 59.595251] [ 59.596860] Allocated by task 7329: [ 59.600563] save_stack_trace+0x16/0x20 [ 59.604518] save_stack+0x45/0xd0 [ 59.607949] kasan_kmalloc+0xce/0xf0 [ 59.611638] kmem_cache_alloc_trace+0x152/0x790 [ 59.616298] __vb2_init_fileio+0x182/0xa90 [ 59.620511] __vb2_perform_fileio+0x9f0/0xeb0 [ 59.624984] vb2_read+0x3b/0x50 [ 59.628245] vb2_fop_read+0x1f5/0x3e0 [ 59.632040] v4l2_read+0x1a9/0x200 [ 59.635582] __vfs_read+0x105/0x6a0 [ 59.639208] vfs_read+0x137/0x350 [ 59.642642] SyS_read+0xfd/0x230 [ 59.645987] do_syscall_64+0x1e8/0x640 [ 59.649855] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.655190] [ 59.656808] Freed by task 7329: [ 59.660070] save_stack_trace+0x16/0x20 [ 59.664098] save_stack+0x45/0xd0 [ 59.667533] kasan_slab_free+0x75/0xc0 [ 59.671405] kfree+0xcc/0x270 [ 59.674490] __vb2_cleanup_fileio+0xfc/0x150 [ 59.678882] vb2_core_queue_release+0x1d/0x80 [ 59.683356] _vb2_fop_release+0x1cf/0x2a0 [ 59.687480] vb2_fop_release+0x75/0xc0 [ 59.691351] vivid_fop_release+0x180/0x3f0 [ 59.695569] v4l2_release+0xf9/0x190 [ 59.699260] __fput+0x275/0x7a0 [ 59.702518] ____fput+0x16/0x20 [ 59.705821] task_work_run+0x114/0x190 [ 59.709688] exit_to_usermode_loop+0x1da/0x220 [ 59.714247] do_syscall_64+0x4bc/0x640 [ 59.718117] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.723315] [ 59.724936] The buggy address belongs to the object at ffff8880a1f92040 [ 59.724936] which belongs to the cache kmalloc-1024 of size 1024 [ 59.737743] The buggy address is located 0 bytes inside of [ 59.737743] 1024-byte region [ffff8880a1f92040, ffff8880a1f92440) [ 59.749506] The buggy address belongs to the page: [ 59.755895] page:ffffea000287e480 count:1 mapcount:0 mapping:ffff8880a1f92040 index:0x0 compound_mapcount: 0 [ 59.766028] flags: 0x1fffc0000008100(slab|head) [ 59.770677] raw: 01fffc0000008100 ffff8880a1f92040 0000000000000000 0000000100000007 [ 59.778571] raw: ffffea00024b59a0 ffffea000272f420 ffff8880aa800ac0 0000000000000000 [ 59.786428] page dumped because: kasan: bad access detected [ 59.792120] [ 59.793731] Memory state around the buggy address: [ 59.798642] ffff8880a1f91f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.805996] ffff8880a1f91f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.813348] >ffff8880a1f92000: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 59.820737] ^ [ 59.826167] ffff8880a1f92080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.833505] ffff8880a1f92100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.843971] ================================================================== [ 59.851319] Disabling lock debugging due to kernel taint [ 59.877011] Kernel panic - not syncing: panic_on_warn set ... [ 59.877011] [ 59.884415] CPU: 0 PID: 7328 Comm: syz-executor042 Tainted: G B 4.14.151 #0 [ 59.892621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.902227] Call Trace: [ 59.905232] dump_stack+0x138/0x197 [ 59.908841] ? __vb2_cleanup_fileio+0x134/0x150 [ 59.913506] panic+0x1f9/0x42d [ 59.916677] ? add_taint.cold+0x16/0x16 [ 59.920630] ? ___preempt_schedule+0x16/0x18 [ 59.925018] kasan_end_report+0x47/0x4f [ 59.929160] kasan_report.cold+0x130/0x2af [ 59.933812] __asan_report_store4_noabort+0x17/0x20 [ 59.938804] __vb2_cleanup_fileio+0x134/0x150 [ 59.943275] vb2_core_queue_release+0x1d/0x80 [ 59.947749] _vb2_fop_release+0x1cf/0x2a0 [ 59.951889] vb2_fop_release+0x75/0xc0 [ 59.955755] vivid_fop_release+0x180/0x3f0 [ 59.959968] ? vivid_remove+0x3d0/0x3d0 [ 59.963936] ? dev_debug_store+0xe0/0xe0 [ 59.967990] v4l2_release+0xf9/0x190 [ 59.971695] __fput+0x275/0x7a0 [ 59.974962] ____fput+0x16/0x20 [ 59.978269] task_work_run+0x114/0x190 [ 59.982142] exit_to_usermode_loop+0x1da/0x220 [ 59.986749] do_syscall_64+0x4bc/0x640 [ 59.990890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.995723] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.000901] RIP: 0033:0x44d059 [ 60.004073] RSP: 002b:00007fd168296ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 60.011762] RAX: 0000000000000000 RBX: 00000000006e5a08 RCX: 000000000044d059 [ 60.019016] RDX: 000000000044d059 RSI: 0000000000000000 RDI: 0000000000000005 [ 60.026274] RBP: 00000000006e5a00 R08: 0000000000000000 R09: 0000000000000000 [ 60.033537] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e5a0c [ 60.040790] R13: 00007fffe975cc8f R14: 00007fd1682979c0 R15: 20c49ba5e353f7cf [ 60.049413] Kernel Offset: disabled [ 60.053042] Rebooting in 86400 seconds..