Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.347736] audit: type=1400 audit(1591876283.061:8): avc: denied { execmem } for pid=6245 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.372303] IPVS: ftp: loaded support on port[0] = 21 [ 32.803202] can: request_module (can-proto-0) failed. [ 33.750301] can: request_module (can-proto-0) failed. [ 33.758386] can: request_module (can-proto-0) failed. [ 33.783415] audit: type=1400 audit(1591876284.502:9): avc: denied { create } for pid=6226 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 '10.128.0.42' (ECDSA) to the list of known hosts. 2020/06/11 11:51:31 parsed 1 programs 2020/06/11 11:51:32 executed programs: 0 [ 41.484767] audit: type=1400 audit(1591876292.205:10): avc: denied { execmem } for pid=6368 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 41.556943] IPVS: ftp: loaded support on port[0] = 21 [ 41.598061] IPVS: ftp: loaded support on port[0] = 21 [ 41.600147] IPVS: ftp: loaded support on port[0] = 21 [ 41.617678] IPVS: ftp: loaded support on port[0] = 21 [ 41.643358] IPVS: ftp: loaded support on port[0] = 21 [ 41.672715] IPVS: ftp: loaded support on port[0] = 21 [ 41.767262] chnl_net:caif_netlink_parms(): no params data found [ 41.842968] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.849311] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.858197] device bridge_slave_0 entered promiscuous mode [ 41.933496] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.940957] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.948330] device bridge_slave_1 entered promiscuous mode [ 41.958366] chnl_net:caif_netlink_parms(): no params data found [ 41.974976] chnl_net:caif_netlink_parms(): no params data found [ 42.047987] chnl_net:caif_netlink_parms(): no params data found [ 42.075139] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.086284] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.110149] chnl_net:caif_netlink_parms(): no params data found [ 42.152579] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.159726] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.166472] device bridge_slave_0 entered promiscuous mode [ 42.174580] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.183160] team0: Port device team_slave_0 added [ 42.210731] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.217078] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.225013] device bridge_slave_0 entered promiscuous mode [ 42.234871] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.242241] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.249105] device bridge_slave_1 entered promiscuous mode [ 42.263619] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.270313] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.277120] device bridge_slave_1 entered promiscuous mode [ 42.284831] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.294986] team0: Port device team_slave_1 added [ 42.302158] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.326346] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.336907] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.353906] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.360651] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.367982] device bridge_slave_0 entered promiscuous mode [ 42.378325] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.384861] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.392234] device bridge_slave_1 entered promiscuous mode [ 42.398474] chnl_net:caif_netlink_parms(): no params data found [ 42.411633] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.423873] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.435624] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.481812] device hsr_slave_0 entered promiscuous mode [ 42.519570] device hsr_slave_1 entered promiscuous mode [ 42.562911] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.578403] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.597842] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.606428] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.613295] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.620740] device bridge_slave_0 entered promiscuous mode [ 42.635333] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.643698] team0: Port device team_slave_0 added [ 42.653810] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.660284] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.667147] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.673530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.686050] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.694277] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.700763] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.707838] device bridge_slave_1 entered promiscuous mode [ 42.720857] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.727973] team0: Port device team_slave_0 added [ 42.734808] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.742401] team0: Port device team_slave_1 added [ 42.748333] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.776350] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.784211] team0: Port device team_slave_1 added [ 42.794954] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.802188] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.811045] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.822999] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.829852] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.838887] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.846117] team0: Port device team_slave_0 added [ 42.855112] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.901504] device hsr_slave_0 entered promiscuous mode [ 42.929375] device hsr_slave_1 entered promiscuous mode [ 42.972974] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.980878] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.987957] team0: Port device team_slave_1 added [ 42.994250] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.001643] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.007973] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.014977] device bridge_slave_0 entered promiscuous mode [ 43.022528] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.028855] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.036130] device bridge_slave_1 entered promiscuous mode [ 43.047037] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.057872] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.091962] device hsr_slave_0 entered promiscuous mode [ 43.129557] device hsr_slave_1 entered promiscuous mode [ 43.172883] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.231487] device hsr_slave_0 entered promiscuous mode [ 43.259296] device hsr_slave_1 entered promiscuous mode [ 43.299464] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.306252] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.316999] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.324576] team0: Port device team_slave_0 added [ 43.330467] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.337241] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.344425] team0: Port device team_slave_1 added [ 43.356197] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.364252] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.378711] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.391693] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.399850] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.418181] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.491597] device hsr_slave_0 entered promiscuous mode [ 43.529592] device hsr_slave_1 entered promiscuous mode [ 43.570734] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.579182] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.593886] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.608164] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.615654] team0: Port device team_slave_0 added [ 43.622390] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.640143] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.647280] team0: Port device team_slave_1 added [ 43.653328] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.666251] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.676952] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.685039] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.707229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.751655] device hsr_slave_0 entered promiscuous mode [ 43.799179] device hsr_slave_1 entered promiscuous mode [ 43.841086] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.851399] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.858745] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.866291] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.877341] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.887110] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.895160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.903128] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.915765] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.922411] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.931444] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.939885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.946795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.956586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.964434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.972208] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.978555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.993906] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.001713] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.012296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.022282] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.031019] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.037377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.048150] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.054614] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.072191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.080209] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.093014] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.104450] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.115532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.123513] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.131141] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.137480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.145531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.153968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.164560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.172801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.186810] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.194271] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.202757] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.211560] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.218176] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.226392] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.233971] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.240372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.247122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.255376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.263120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.270284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.283856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.292552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.301867] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.309375] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.315428] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.322874] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.330821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.337583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.346291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.354955] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.367104] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.374653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.382776] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.390536] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.398130] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.405749] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.412144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.419086] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.426723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.434901] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.441324] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.449884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.457988] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.467887] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.475865] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.484496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.493488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.501768] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.509973] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.516295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.524143] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.531553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.538315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.546504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.554240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.562620] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.570613] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.577650] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.586343] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.595721] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.605069] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.617103] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.624775] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.634718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.642659] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.650749] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.657090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.664037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.672119] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.681668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.689948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.697598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.705182] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.711574] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.719192] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.725241] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.733257] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.742813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.753688] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.760549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.767971] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.777680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.785238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.792799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.799725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.807384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.818044] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.827211] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.834185] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.843919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.851610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.861425] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.869533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.876819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.887382] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.896291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.906757] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.915606] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.924710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.932649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.940713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.948351] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.956462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.964634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.973037] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.979410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.986552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.995229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.003069] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.009454] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.016677] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.024025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.031317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.044119] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.053402] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.061972] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.073062] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.079698] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.086863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.095262] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.103400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.111552] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.119610] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.125938] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.133734] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.142491] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.153066] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.161170] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.171899] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.179976] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.186779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.194693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.202799] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.209288] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.216138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.224284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.232083] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.239674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.247659] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.255544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.267278] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.275609] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.285800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.294902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.303851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.312121] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.319318] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.326870] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.335904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.344422] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.356051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.364143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.372114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.380678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.388229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.396048] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.404079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.412357] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.422073] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.428063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.436581] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.446750] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.456710] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.467196] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.474815] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.483198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.490914] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.498173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.505915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.513489] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.521521] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.533589] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 45.541716] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.552822] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 45.564517] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.571330] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.580564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.587034] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.596629] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.604255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.612797] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.623279] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.633159] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.643376] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.653528] audit: type=1400 audit(1591876296.376:11): avc: denied { create } for pid=7265 comm="syz-executor.4" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 45.653819] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.690249] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 45.692054] audit: type=1400 audit(1591876296.406:12): avc: denied { name_bind } for pid=7265 comm="syz-executor.4" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 45.696954] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 45.720347] audit: type=1400 audit(1591876296.406:13): avc: denied { node_bind } for pid=7265 comm="syz-executor.4" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 45.736757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.757743] audit: type=1400 audit(1591876296.406:14): avc: denied { name_connect } for pid=7265 comm="syz-executor.4" dest=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 45.759533] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.787382] FAULT_INJECTION: forcing a failure. [ 45.787382] name failslab, interval 1, probability 0, space 0, times 1 [ 45.802049] CPU: 1 PID: 7270 Comm: syz-executor.4 Not tainted 4.19.128-syzkaller #0 [ 45.809204] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.809840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.823604] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.825926] Call Trace: [ 45.825938] dump_stack+0x123/0x177 [ 45.825950] should_fail.cold.4+0x5/0x13 [ 45.825958] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 45.837855] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.838787] __should_failslab+0xba/0xf0 [ 45.838795] should_failslab+0x9/0x14 [ 45.838800] kmem_cache_alloc_trace+0x4b/0x740 [ 45.838814] dccp_ackvec_parsed_add+0x51/0x220 [ 45.838822] ccid2_hc_tx_parse_options+0x5b/0x80 [ 45.838829] dccp_parse_options+0x532/0xf20 [ 45.838842] dccp_rcv_established+0x23/0x70 [ 45.838849] dccp_v4_do_rcv+0xfa/0x160 [ 45.838857] __release_sock+0x107/0x360 [ 45.838868] release_sock+0x4f/0x180 [ 45.838874] dccp_sendmsg+0x4f6/0xe20 [ 45.838880] ? import_iovec+0x9f/0x440 [ 45.838889] ? dccp_getsockopt+0xd0/0xd0 [ 45.838901] ? copy_msghdr_from_user+0x20b/0x3e0 [ 45.838912] inet_sendmsg+0x108/0x440 [ 45.838919] ? security_socket_sendmsg+0x4a/0x90 [ 45.855526] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 45.858762] ? ipip_gro_receive+0xf0/0xf0 [ 45.858771] sock_sendmsg+0xb5/0xf0 [ 45.858779] ___sys_sendmsg+0x28e/0x950 [ 45.858785] ? find_held_lock+0x36/0x1d0 [ 45.858793] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 45.858800] ? mark_held_locks+0x130/0x130 [ 45.858805] ? lock_downgrade+0x860/0x860 [ 45.858814] ? kasan_check_read+0x11/0x20 [ 45.858824] ? find_held_lock+0x36/0x1d0 [ 45.858834] ? __might_fault+0xf1/0x1b0 [ 45.858851] __sys_sendmmsg+0x160/0x370 [ 45.858860] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 45.858869] ? kasan_check_write+0x14/0x20 [ 45.858876] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 45.858889] ? __sb_end_write+0xa4/0xd0 [ 45.858894] ? kasan_check_write+0x14/0x20 [ 45.858898] ? fput+0x18/0x120 [ 45.858903] ? ksys_write+0x1ce/0x260 [ 45.858907] ? do_sys_open+0x16e/0x350 [ 45.858915] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.858921] ? do_syscall_64+0x21/0x4e0 [ 45.858927] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.858934] __x64_sys_sendmmsg+0x98/0x100 [ 45.858940] do_syscall_64+0xd0/0x4e0 [ 45.858948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.858953] RIP: 0033:0x45a219 [ 45.858959] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.858963] RSP: 002b:00007fd331d05c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 45.858969] RAX: ffffffffffffffda RBX: 00007fd331d05c90 RCX: 000000000045a219 [ 45.858976] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 45.858980] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 45.858983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd331d066d4 [ 45.858986] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 45.918526] dccp_parse_options: DCCP(000000000e008214): Option 38 (len=1) error=5 [ 45.933595] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.127250] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.146618] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.161633] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.170483] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.177742] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 46.188671] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.194693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.203514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.214671] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.222769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.230846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.239213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.246584] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.255404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.263343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.271664] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.284413] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.294119] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.306707] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.319863] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.335266] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.344661] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.352614] FAULT_INJECTION: forcing a failure. [ 46.352614] name failslab, interval 1, probability 0, space 0, times 0 [ 46.357563] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.379880] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.380886] CPU: 0 PID: 7281 Comm: syz-executor.3 Not tainted 4.19.128-syzkaller #0 [ 46.387352] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.393725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.393729] Call Trace: [ 46.393741] dump_stack+0x123/0x177 [ 46.393754] should_fail.cold.4+0x5/0x13 [ 46.393762] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 46.393776] __should_failslab+0xba/0xf0 [ 46.393782] should_failslab+0x9/0x14 [ 46.393787] kmem_cache_alloc_trace+0x4b/0x740 [ 46.393799] dccp_ackvec_parsed_add+0x51/0x220 [ 46.393806] ccid2_hc_tx_parse_options+0x5b/0x80 [ 46.393813] dccp_parse_options+0x532/0xf20 [ 46.409285] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.411857] dccp_rcv_established+0x23/0x70 [ 46.411865] dccp_v4_do_rcv+0xfa/0x160 [ 46.411873] __release_sock+0x107/0x360 [ 46.468922] release_sock+0x4f/0x180 [ 46.472632] dccp_sendmsg+0x4f6/0xe20 [ 46.476430] ? import_iovec+0x9f/0x440 [ 46.480315] ? dccp_getsockopt+0xd0/0xd0 [ 46.484376] ? copy_msghdr_from_user+0x20b/0x3e0 [ 46.489130] inet_sendmsg+0x108/0x440 [ 46.490114] FAULT_INJECTION: forcing a failure. [ 46.490114] name failslab, interval 1, probability 0, space 0, times 0 [ 46.492918] ? security_socket_sendmsg+0x4a/0x90 [ 46.492925] ? ipip_gro_receive+0xf0/0xf0 [ 46.492932] sock_sendmsg+0xb5/0xf0 [ 46.492939] ___sys_sendmsg+0x28e/0x950 [ 46.492946] ? find_held_lock+0x36/0x1d0 [ 46.492956] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 46.529338] ? mark_held_locks+0x130/0x130 [ 46.533567] ? lock_downgrade+0x860/0x860 [ 46.537714] ? kasan_check_read+0x11/0x20 [ 46.541857] ? find_held_lock+0x36/0x1d0 [ 46.545920] ? __might_fault+0xf1/0x1b0 [ 46.549889] __sys_sendmmsg+0x160/0x370 [ 46.553848] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 46.558155] ? kasan_check_write+0x14/0x20 [ 46.562390] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 46.567220] ? __sb_end_write+0xa4/0xd0 [ 46.571174] ? kasan_check_write+0x14/0x20 [ 46.575391] ? fput+0x18/0x120 [ 46.578575] ? ksys_write+0x1ce/0x260 [ 46.582355] ? do_sys_open+0x16e/0x350 [ 46.586398] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.591131] ? do_syscall_64+0x21/0x4e0 [ 46.595092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.600442] __x64_sys_sendmmsg+0x98/0x100 [ 46.604656] do_syscall_64+0xd0/0x4e0 [ 46.608552] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.613734] RIP: 0033:0x45a219 [ 46.616924] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.636767] RSP: 002b:00007fb989912c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 46.644454] RAX: ffffffffffffffda RBX: 00007fb989912c90 RCX: 000000000045a219 [ 46.651705] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 46.658952] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 46.666219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9899136d4 [ 46.673467] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 2020/06/11 11:51:37 executed programs: 7 [ 46.680728] CPU: 1 PID: 7290 Comm: syz-executor.5 Not tainted 4.19.128-syzkaller #0 [ 46.688528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.697879] Call Trace: [ 46.698202] dccp_parse_options: DCCP(00000000776939b2): Option 38 (len=1) error=5 [ 46.700459] dump_stack+0x123/0x177 [ 46.700472] should_fail.cold.4+0x5/0x13 [ 46.700480] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 46.700494] __should_failslab+0xba/0xf0 [ 46.724915] should_failslab+0x9/0x14 [ 46.728714] kmem_cache_alloc_trace+0x4b/0x740 [ 46.733305] dccp_ackvec_parsed_add+0x51/0x220 [ 46.737982] ccid2_hc_tx_parse_options+0x5b/0x80 [ 46.742735] dccp_parse_options+0x532/0xf20 [ 46.747075] dccp_rcv_established+0x23/0x70 [ 46.751393] dccp_v4_do_rcv+0xfa/0x160 [ 46.755280] __release_sock+0x107/0x360 [ 46.759259] release_sock+0x4f/0x180 [ 46.763072] dccp_sendmsg+0x4f6/0xe20 [ 46.766852] ? import_iovec+0x9f/0x440 [ 46.770722] ? dccp_getsockopt+0xd0/0xd0 [ 46.774767] ? copy_msghdr_from_user+0x20b/0x3e0 [ 46.779502] inet_sendmsg+0x108/0x440 [ 46.783288] ? security_socket_sendmsg+0x4a/0x90 [ 46.788039] ? ipip_gro_receive+0xf0/0xf0 [ 46.792175] sock_sendmsg+0xb5/0xf0 [ 46.795780] ___sys_sendmsg+0x28e/0x950 [ 46.799732] ? find_held_lock+0x36/0x1d0 [ 46.803780] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 46.808526] ? mark_held_locks+0x130/0x130 [ 46.812755] ? lock_downgrade+0x860/0x860 [ 46.816899] ? kasan_check_read+0x11/0x20 [ 46.821039] ? find_held_lock+0x36/0x1d0 [ 46.825088] ? __might_fault+0xf1/0x1b0 [ 46.829056] __sys_sendmmsg+0x160/0x370 [ 46.833028] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 46.837339] ? kasan_check_write+0x14/0x20 [ 46.841572] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 46.846427] ? __sb_end_write+0xa4/0xd0 [ 46.850380] ? kasan_check_write+0x14/0x20 [ 46.854611] ? fput+0x18/0x120 [ 46.857795] ? ksys_write+0x1ce/0x260 [ 46.861571] ? do_sys_open+0x16e/0x350 [ 46.865436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 46.870166] ? do_syscall_64+0x21/0x4e0 [ 46.874140] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.879483] __x64_sys_sendmmsg+0x98/0x100 [ 46.883715] do_syscall_64+0xd0/0x4e0 [ 46.887510] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.892680] RIP: 0033:0x45a219 [ 46.895847] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.914743] RSP: 002b:00007f6d9b0a7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 46.922427] RAX: ffffffffffffffda RBX: 00007f6d9b0a7c90 RCX: 000000000045a219 [ 46.929675] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 46.936920] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 46.944166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d9b0a86d4 [ 46.951412] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 46.961070] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.968110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.976276] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.983590] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.999510] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.044463] dccp_parse_options: DCCP(0000000046c3e242): Option 38 (len=1) error=5 [ 47.103196] FAULT_INJECTION: forcing a failure. [ 47.103196] name failslab, interval 1, probability 0, space 0, times 0 [ 47.137365] FAULT_INJECTION: forcing a failure. [ 47.137365] name failslab, interval 1, probability 0, space 0, times 0 [ 47.146989] CPU: 0 PID: 7320 Comm: syz-executor.2 Not tainted 4.19.128-syzkaller #0 [ 47.152314] FAULT_INJECTION: forcing a failure. [ 47.152314] name failslab, interval 1, probability 0, space 0, times 0 [ 47.156363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.156367] Call Trace: [ 47.156379] dump_stack+0x123/0x177 [ 47.156393] should_fail.cold.4+0x5/0x13 [ 47.156401] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.156416] __should_failslab+0xba/0xf0 [ 47.196354] should_failslab+0x9/0x14 [ 47.200144] kmem_cache_alloc_trace+0x4b/0x740 [ 47.205299] dccp_ackvec_parsed_add+0x51/0x220 [ 47.209883] ccid2_hc_tx_parse_options+0x5b/0x80 [ 47.214623] dccp_parse_options+0x532/0xf20 [ 47.218930] dccp_rcv_established+0x23/0x70 [ 47.223248] dccp_v4_do_rcv+0xfa/0x160 [ 47.227122] __release_sock+0x107/0x360 [ 47.231095] release_sock+0x4f/0x180 [ 47.234808] dccp_sendmsg+0x4f6/0xe20 [ 47.238597] ? import_iovec+0x9f/0x440 [ 47.242477] ? dccp_getsockopt+0xd0/0xd0 [ 47.246535] ? copy_msghdr_from_user+0x20b/0x3e0 [ 47.251286] inet_sendmsg+0x108/0x440 [ 47.255079] ? security_socket_sendmsg+0x4a/0x90 [ 47.259934] ? ipip_gro_receive+0xf0/0xf0 [ 47.264066] sock_sendmsg+0xb5/0xf0 [ 47.267674] ___sys_sendmsg+0x28e/0x950 [ 47.271647] ? find_held_lock+0x36/0x1d0 [ 47.275695] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 47.280438] ? mark_held_locks+0x130/0x130 [ 47.284663] ? lock_downgrade+0x860/0x860 [ 47.288790] ? kasan_check_read+0x11/0x20 [ 47.292920] ? find_held_lock+0x36/0x1d0 [ 47.297051] ? __might_fault+0xf1/0x1b0 [ 47.301016] __sys_sendmmsg+0x160/0x370 [ 47.304975] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 47.309278] ? kasan_check_write+0x14/0x20 [ 47.313494] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.318339] ? __sb_end_write+0xa4/0xd0 [ 47.322292] ? kasan_check_write+0x14/0x20 [ 47.326524] ? fput+0x18/0x120 [ 47.329699] ? ksys_write+0x1ce/0x260 [ 47.333480] ? do_sys_open+0x16e/0x350 [ 47.337350] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.342105] ? do_syscall_64+0x21/0x4e0 [ 47.346059] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.351413] __x64_sys_sendmmsg+0x98/0x100 [ 47.355632] do_syscall_64+0xd0/0x4e0 [ 47.359416] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.364597] RIP: 0033:0x45a219 [ 47.367767] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.386738] RSP: 002b:00007f22e670ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.394427] RAX: ffffffffffffffda RBX: 00007f22e670ac90 RCX: 000000000045a219 [ 47.401675] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 47.408923] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 47.416177] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22e670b6d4 [ 47.423433] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 47.430700] CPU: 1 PID: 7317 Comm: syz-executor.1 Not tainted 4.19.128-syzkaller #0 [ 47.438493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.447841] Call Trace: [ 47.450422] dump_stack+0x123/0x177 [ 47.454048] should_fail.cold.4+0x5/0x13 [ 47.458106] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.463215] __should_failslab+0xba/0xf0 [ 47.467276] should_failslab+0x9/0x14 [ 47.471068] kmem_cache_alloc_trace+0x4b/0x740 [ 47.475648] dccp_ackvec_parsed_add+0x51/0x220 [ 47.480224] ccid2_hc_tx_parse_options+0x5b/0x80 [ 47.482496] dccp_parse_options: DCCP(00000000a60ce669): Option 38 (len=1) error=5 [ 47.484994] dccp_parse_options+0x532/0xf20 [ 47.485010] dccp_rcv_established+0x23/0x70 [ 47.485016] dccp_v4_do_rcv+0xfa/0x160 [ 47.485025] __release_sock+0x107/0x360 [ 47.485037] release_sock+0x4f/0x180 [ 47.485044] dccp_sendmsg+0x4f6/0xe20 [ 47.485049] ? import_iovec+0x9f/0x440 [ 47.485058] ? dccp_getsockopt+0xd0/0xd0 [ 47.524507] ? copy_msghdr_from_user+0x20b/0x3e0 [ 47.529262] inet_sendmsg+0x108/0x440 [ 47.533057] ? security_socket_sendmsg+0x4a/0x90 [ 47.537807] ? ipip_gro_receive+0xf0/0xf0 [ 47.541946] sock_sendmsg+0xb5/0xf0 [ 47.545563] ___sys_sendmsg+0x28e/0x950 [ 47.549532] ? find_held_lock+0x36/0x1d0 [ 47.553580] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 47.558346] ? mark_held_locks+0x130/0x130 [ 47.562576] ? lock_downgrade+0x860/0x860 [ 47.566804] ? kasan_check_read+0x11/0x20 [ 47.570944] ? find_held_lock+0x36/0x1d0 [ 47.575004] ? __might_fault+0xf1/0x1b0 [ 47.578991] __sys_sendmmsg+0x160/0x370 [ 47.582959] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 47.587278] ? kasan_check_write+0x14/0x20 [ 47.591504] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.596333] ? __sb_end_write+0xa4/0xd0 [ 47.600290] ? kasan_check_write+0x14/0x20 [ 47.604505] ? fput+0x18/0x120 [ 47.607679] ? ksys_write+0x1ce/0x260 [ 47.611483] ? do_sys_open+0x16e/0x350 [ 47.615356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.620092] ? do_syscall_64+0x21/0x4e0 [ 47.624053] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.629409] __x64_sys_sendmmsg+0x98/0x100 [ 47.633633] do_syscall_64+0xd0/0x4e0 [ 47.637446] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.642641] RIP: 0033:0x45a219 [ 47.645834] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.664810] RSP: 002b:00007f35d6c2ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.672588] RAX: ffffffffffffffda RBX: 00007f35d6c2ac90 RCX: 000000000045a219 [ 47.679836] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 47.687100] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.694355] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f35d6c2b6d4 [ 47.701605] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 47.708877] CPU: 0 PID: 7324 Comm: syz-executor.0 Not tainted 4.19.128-syzkaller #0 [ 47.716556] dccp_parse_options: DCCP(00000000cbf1ccb7): Option 38 (len=1) error=5 [ 47.716698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.733644] Call Trace: [ 47.736229] dump_stack+0x123/0x177 [ 47.739850] should_fail.cold.4+0x5/0x13 [ 47.743889] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.748978] ? lock_downgrade+0x860/0x860 [ 47.753107] __should_failslab+0xba/0xf0 [ 47.757145] should_failslab+0x9/0x14 [ 47.760935] kmem_cache_alloc_node+0x26b/0x730 [ 47.765504] __alloc_skb+0xa7/0x580 [ 47.769108] ? skb_scrub_packet+0x3c0/0x3c0 [ 47.773413] alloc_skb_with_frags+0x75/0x490 [ 47.777817] sock_alloc_send_pskb+0x574/0x750 [ 47.782300] ? find_held_lock+0x36/0x1d0 [ 47.787493] ? _raw_spin_unlock_bh+0x30/0x40 [ 47.791894] ? sock_wmalloc+0xe0/0xe0 [ 47.795671] ? trace_hardirqs_on+0x28/0x190 [ 47.799965] ? release_sock+0x11f/0x180 [ 47.803916] ? __local_bh_enable_ip+0x160/0x260 [ 47.808584] sock_alloc_send_skb+0x13/0x20 [ 47.812825] dccp_sendmsg+0x248/0xe20 [ 47.816777] ? import_iovec+0x9f/0x440 [ 47.820640] ? dccp_getsockopt+0xd0/0xd0 [ 47.824764] ? copy_msghdr_from_user+0x20b/0x3e0 [ 47.829505] inet_sendmsg+0x108/0x440 [ 47.833308] ? security_socket_sendmsg+0x4a/0x90 [ 47.838040] ? ipip_gro_receive+0xf0/0xf0 [ 47.842162] sock_sendmsg+0xb5/0xf0 [ 47.845761] ___sys_sendmsg+0x28e/0x950 [ 47.849728] ? find_held_lock+0x36/0x1d0 [ 47.853767] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 47.858500] ? mark_held_locks+0x130/0x130 [ 47.862720] ? lock_downgrade+0x860/0x860 [ 47.866843] ? kasan_check_read+0x11/0x20 [ 47.870972] ? find_held_lock+0x36/0x1d0 [ 47.875010] ? __might_fault+0xf1/0x1b0 [ 47.878979] __sys_sendmmsg+0x160/0x370 [ 47.882945] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 47.887248] ? kasan_check_write+0x14/0x20 [ 47.891462] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.896306] ? __sb_end_write+0xa4/0xd0 [ 47.900260] ? kasan_check_write+0x14/0x20 [ 47.904488] ? fput+0x18/0x120 [ 47.907656] ? ksys_write+0x1ce/0x260 [ 47.911433] ? do_sys_open+0x16e/0x350 [ 47.915302] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 47.920031] ? do_syscall_64+0x21/0x4e0 [ 47.923985] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.929330] __x64_sys_sendmmsg+0x98/0x100 [ 47.933554] do_syscall_64+0xd0/0x4e0 [ 47.937331] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.942494] RIP: 0033:0x45a219 [ 47.945660] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.964541] RSP: 002b:00007ffacccb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 47.972233] RAX: ffffffffffffffda RBX: 00007ffacccb5c90 RCX: 000000000045a219 [ 47.979486] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 47.986740] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 47.993998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffacccb66d4 [ 48.001256] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 48.117367] FAULT_INJECTION: forcing a failure. [ 48.117367] name failslab, interval 1, probability 0, space 0, times 0 [ 48.145955] CPU: 1 PID: 7361 Comm: syz-executor.0 Not tainted 4.19.128-syzkaller #0 [ 48.153772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.163123] Call Trace: [ 48.165710] dump_stack+0x123/0x177 [ 48.169340] should_fail.cold.4+0x5/0x13 [ 48.173403] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.178500] ? __lock_acquire+0x792/0x4980 [ 48.182737] __should_failslab+0xba/0xf0 [ 48.186801] should_failslab+0x9/0x14 [ 48.190594] kmem_cache_alloc+0x47/0x730 [ 48.194650] ? dccp_feat_clone_list+0x3c0/0x3c0 [ 48.199316] dccp_ackvec_update_records+0x25/0x3e0 [ 48.204363] dccp_insert_options+0x68e/0xb70 [ 48.208799] ? lockdep_hardirqs_on+0x421/0x5c0 [ 48.213410] dccp_transmit_skb+0x194/0x1250 [ 48.217713] ? skb_unlink+0xeb/0x160 [ 48.221401] ? trace_hardirqs_on+0x28/0x190 [ 48.225700] dccp_xmit_packet+0x1a6/0x580 [ 48.229825] dccp_write_xmit+0x125/0x180 [ 48.233905] dccp_sendmsg+0x64c/0xe20 [ 48.237692] ? import_iovec+0x9f/0x440 [ 48.241606] ? dccp_getsockopt+0xd0/0xd0 [ 48.246454] ? copy_msghdr_from_user+0x20b/0x3e0 [ 48.251199] inet_sendmsg+0x108/0x440 [ 48.255022] ? security_socket_sendmsg+0x4a/0x90 [ 48.259758] ? ipip_gro_receive+0xf0/0xf0 [ 48.263883] sock_sendmsg+0xb5/0xf0 [ 48.267493] ___sys_sendmsg+0x28e/0x950 [ 48.271447] ? find_held_lock+0x36/0x1d0 [ 48.275487] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 48.280220] ? mark_held_locks+0x130/0x130 [ 48.284474] ? lock_downgrade+0x860/0x860 [ 48.288624] ? kasan_check_read+0x11/0x20 [ 48.292762] ? find_held_lock+0x36/0x1d0 [ 48.296807] ? __might_fault+0xf1/0x1b0 [ 48.300761] __sys_sendmmsg+0x160/0x370 [ 48.304755] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 48.309056] ? kasan_check_write+0x14/0x20 [ 48.313264] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 48.318090] ? __sb_end_write+0xa4/0xd0 [ 48.322044] ? kasan_check_write+0x14/0x20 [ 48.326296] ? fput+0x18/0x120 [ 48.329529] ? ksys_write+0x1ce/0x260 [ 48.333354] ? do_sys_open+0x16e/0x350 [ 48.337266] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.342056] ? do_syscall_64+0x21/0x4e0 [ 48.346006] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.351348] __x64_sys_sendmmsg+0x98/0x100 [ 48.355560] do_syscall_64+0xd0/0x4e0 [ 48.359336] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.364499] RIP: 0033:0x45a219 [ 48.367676] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.386750] RSP: 002b:00007ffacccb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.394434] RAX: ffffffffffffffda RBX: 00007ffacccb5c90 RCX: 000000000045a219 [ 48.401696] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 48.408970] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 48.416238] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffacccb66d4 [ 48.423534] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 48.467560] FAULT_INJECTION: forcing a failure. [ 48.467560] name failslab, interval 1, probability 0, space 0, times 0 [ 48.480346] CPU: 1 PID: 7384 Comm: syz-executor.0 Not tainted 4.19.128-syzkaller #0 [ 48.488143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.497485] Call Trace: [ 48.500066] dump_stack+0x123/0x177 [ 48.503702] should_fail.cold.4+0x5/0x13 [ 48.507760] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.512868] __should_failslab+0xba/0xf0 [ 48.516933] should_failslab+0x9/0x14 [ 48.520727] kmem_cache_alloc_trace+0x4b/0x740 [ 48.525307] dccp_ackvec_parsed_add+0x51/0x220 [ 48.529884] ccid2_hc_tx_parse_options+0x5b/0x80 [ 48.534646] dccp_parse_options+0x532/0xf20 [ 48.538971] dccp_rcv_established+0x23/0x70 [ 48.543291] dccp_v4_do_rcv+0xfa/0x160 [ 48.547179] __release_sock+0x107/0x360 [ 48.551160] release_sock+0x4f/0x180 [ 48.554870] dccp_sendmsg+0x4f6/0xe20 [ 48.558664] ? import_iovec+0x9f/0x440 [ 48.562545] ? dccp_getsockopt+0xd0/0xd0 [ 48.566603] ? copy_msghdr_from_user+0x20b/0x3e0 [ 48.571360] inet_sendmsg+0x108/0x440 [ 48.575153] ? security_socket_sendmsg+0x4a/0x90 [ 48.579907] ? ipip_gro_receive+0xf0/0xf0 [ 48.584048] sock_sendmsg+0xb5/0xf0 [ 48.587667] ___sys_sendmsg+0x28e/0x950 [ 48.591636] ? find_held_lock+0x36/0x1d0 [ 48.595733] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 48.600522] ? mark_held_locks+0x130/0x130 [ 48.604782] ? lock_downgrade+0x860/0x860 [ 48.608915] ? kasan_check_read+0x11/0x20 [ 48.613096] ? find_held_lock+0x36/0x1d0 [ 48.617138] ? __might_fault+0xf1/0x1b0 [ 48.621096] __sys_sendmmsg+0x160/0x370 [ 48.625047] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 48.629355] ? kasan_check_write+0x14/0x20 [ 48.633576] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 48.638408] ? __sb_end_write+0xa4/0xd0 [ 48.642375] ? kasan_check_write+0x14/0x20 [ 48.646605] ? fput+0x18/0x120 [ 48.649796] ? ksys_write+0x1ce/0x260 [ 48.653666] ? do_sys_open+0x16e/0x350 [ 48.657532] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 48.662344] ? do_syscall_64+0x21/0x4e0 [ 48.666300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.671643] __x64_sys_sendmmsg+0x98/0x100 [ 48.675861] do_syscall_64+0xd0/0x4e0 [ 48.679752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.684934] RIP: 0033:0x45a219 [ 48.688109] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.707013] RSP: 002b:00007ffacccb5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 48.714696] RAX: ffffffffffffffda RBX: 00007ffacccb5c90 RCX: 000000000045a219 [ 48.721942] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 48.729201] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 48.736508] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffacccb66d4 [ 48.743816] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 48.754500] dccp_parse_options: DCCP(00000000cbf1ccb7): Option 38 (len=1) error=5 2020/06/11 11:51:42 executed programs: 43 2020/06/11 11:51:47 executed programs: 80 2020/06/11 11:51:52 executed programs: 118 2020/06/11 11:51:57 executed programs: 156 2020/06/11 11:52:03 executed programs: 194 2020/06/11 11:52:08 executed programs: 234 2020/06/11 11:52:13 executed programs: 272 2020/06/11 11:52:18 executed programs: 311 2020/06/11 11:52:23 executed programs: 348 2020/06/11 11:52:28 executed programs: 385 2020/06/11 11:52:33 executed programs: 423 [ 106.982942] FAULT_INJECTION: forcing a failure. [ 106.982942] name failslab, interval 1, probability 0, space 0, times 0 [ 106.994348] CPU: 1 PID: 10224 Comm: syz-executor.3 Not tainted 4.19.128-syzkaller #0 [ 107.002221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.011607] Call Trace: [ 107.014173] dump_stack+0x123/0x177 [ 107.017781] should_fail.cold.4+0x5/0x13 [ 107.021824] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 107.026915] ? lock_downgrade+0x860/0x860 [ 107.031053] __should_failslab+0xba/0xf0 [ 107.035101] should_failslab+0x9/0x14 [ 107.038885] kmem_cache_alloc_trace+0x2d4/0x740 [ 107.043542] ? debug_object_activate+0x327/0x4e0 [ 107.048278] ? lock_downgrade+0x860/0x860 [ 107.052405] dccp_feat_entry_new+0x140/0x360 [ 107.056808] dccp_feat_push_confirm+0x26/0x280 [ 107.061373] dccp_feat_parse_options+0xf99/0x1a20 [ 107.066196] ? dccp_ackvec_parsed_add+0x51/0x220 [ 107.070942] ? dccp_feat_server_ccid_dependencies+0x1f0/0x1f0 [ 107.076830] ? dccp_ackvec_parsed_add+0x115/0x220 [ 107.081675] dccp_parse_options+0x840/0xf20 [ 107.086004] dccp_rcv_established+0x23/0x70 [ 107.090318] dccp_v4_do_rcv+0xfa/0x160 [ 107.094235] __release_sock+0x107/0x360 [ 107.098226] release_sock+0x4f/0x180 [ 107.101950] dccp_sendmsg+0x4f6/0xe20 [ 107.105735] ? import_iovec+0x9f/0x440 [ 107.109618] ? dccp_getsockopt+0xd0/0xd0 [ 107.113671] ? copy_msghdr_from_user+0x20b/0x3e0 [ 107.118411] inet_sendmsg+0x108/0x440 [ 107.122202] ? security_socket_sendmsg+0x4a/0x90 [ 107.126942] ? ipip_gro_receive+0xf0/0xf0 [ 107.131070] sock_sendmsg+0xb5/0xf0 [ 107.134688] ___sys_sendmsg+0x28e/0x950 [ 107.138663] ? find_held_lock+0x36/0x1d0 [ 107.142713] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 107.147461] ? mark_held_locks+0x130/0x130 [ 107.151678] ? lock_downgrade+0x860/0x860 [ 107.155811] ? kasan_check_read+0x11/0x20 [ 107.159945] ? find_held_lock+0x36/0x1d0 [ 107.163987] ? __might_fault+0xf1/0x1b0 [ 107.167962] __sys_sendmmsg+0x160/0x370 [ 107.171921] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 107.176229] ? kasan_check_write+0x14/0x20 [ 107.180526] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.185352] ? __sb_end_write+0xa4/0xd0 [ 107.189310] ? kasan_check_write+0x14/0x20 [ 107.193522] ? fput+0x18/0x120 [ 107.196708] ? ksys_write+0x1ce/0x260 [ 107.200485] ? do_sys_open+0x16e/0x350 [ 107.204359] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 107.209120] ? do_syscall_64+0x21/0x4e0 [ 107.213079] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.218419] __x64_sys_sendmmsg+0x98/0x100 [ 107.222636] do_syscall_64+0xd0/0x4e0 [ 107.226505] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.231685] RIP: 0033:0x45a219 [ 107.234857] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.253892] RSP: 002b:00007fb989912c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 107.263428] RAX: ffffffffffffffda RBX: 00007fb989912c90 RCX: 000000000045a219 [ 107.270785] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 107.278140] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 107.285416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9899136d4 [ 107.286792] FAULT_INJECTION: forcing a failure. [ 107.286792] name failslab, interval 1, probability 0, space 0, times 0 [ 107.292674] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 107.303686] dccp_parse_options: DCCP(000000006c61c690): Option 32 (len=7) error=9 [ 107.305458] CPU: 0 PID: 10235 Comm: syz-executor.4 Not tainted 4.19.128-syzkaller #0 [ 107.328385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.330817] ================================================================== [ 107.337927] Call Trace: [ 107.337941] dump_stack+0x123/0x177 [ 107.345347] BUG: KASAN: use-after-free in ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 107.347910] should_fail.cold.4+0x5/0x13 [ 107.351501] Read of size 1 at addr ffff8880957365a2 by task syz-executor.3/10224 [ 107.351504] [ 107.358943] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 107.377151] ? lock_downgrade+0x860/0x860 [ 107.381282] __should_failslab+0xba/0xf0 [ 107.385320] should_failslab+0x9/0x14 [ 107.389121] kmem_cache_alloc_trace+0x2d4/0x740 [ 107.393769] ? debug_object_activate+0x327/0x4e0 [ 107.398500] ? lock_downgrade+0x860/0x860 [ 107.402630] dccp_feat_entry_new+0x140/0x360 [ 107.407018] dccp_feat_push_confirm+0x26/0x280 [ 107.411580] dccp_feat_parse_options+0xf99/0x1a20 [ 107.416413] ? dccp_ackvec_parsed_add+0x51/0x220 [ 107.421154] ? dccp_feat_server_ccid_dependencies+0x1f0/0x1f0 [ 107.427023] ? dccp_ackvec_parsed_add+0x115/0x220 [ 107.431851] dccp_parse_options+0x840/0xf20 [ 107.436158] dccp_rcv_established+0x23/0x70 [ 107.440457] dccp_v4_do_rcv+0xfa/0x160 [ 107.444324] __release_sock+0x107/0x360 [ 107.448305] release_sock+0x4f/0x180 [ 107.451996] dccp_sendmsg+0x4f6/0xe20 [ 107.455775] ? import_iovec+0x9f/0x440 [ 107.459645] ? dccp_getsockopt+0xd0/0xd0 [ 107.463686] ? copy_msghdr_from_user+0x20b/0x3e0 [ 107.468420] inet_sendmsg+0x108/0x440 [ 107.472197] ? security_socket_sendmsg+0x4a/0x90 [ 107.476932] ? ipip_gro_receive+0xf0/0xf0 [ 107.481070] sock_sendmsg+0xb5/0xf0 [ 107.484673] ___sys_sendmsg+0x28e/0x950 [ 107.488643] ? find_held_lock+0x36/0x1d0 [ 107.492719] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 107.497465] ? mark_held_locks+0x130/0x130 [ 107.501692] ? lock_downgrade+0x860/0x860 [ 107.505826] ? kasan_check_read+0x11/0x20 [ 107.510048] ? find_held_lock+0x36/0x1d0 [ 107.514095] ? __might_fault+0xf1/0x1b0 [ 107.518060] __sys_sendmmsg+0x160/0x370 [ 107.522015] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 107.526333] ? kasan_check_write+0x14/0x20 [ 107.530556] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.535409] ? __sb_end_write+0xa4/0xd0 [ 107.539364] ? kasan_check_write+0x14/0x20 [ 107.543579] ? fput+0x18/0x120 [ 107.546771] ? ksys_write+0x1ce/0x260 [ 107.550549] ? do_sys_open+0x16e/0x350 [ 107.554766] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 107.559499] ? do_syscall_64+0x21/0x4e0 [ 107.563451] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.568818] __x64_sys_sendmmsg+0x98/0x100 [ 107.573049] do_syscall_64+0xd0/0x4e0 [ 107.576830] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.582085] RIP: 0033:0x45a219 [ 107.585265] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.604234] RSP: 002b:00007fd331d26c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 107.611921] RAX: ffffffffffffffda RBX: 00007fd331d26c90 RCX: 000000000045a219 [ 107.619201] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 107.626468] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 107.633723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd331d276d4 [ 107.640977] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 107.648269] CPU: 1 PID: 10224 Comm: syz-executor.3 Not tainted 4.19.128-syzkaller #0 [ 107.649443] dccp_parse_options: DCCP(000000001fdb7453): Option 32 (len=7) error=9 [ 107.656151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.656154] Call Trace: [ 107.656171] dump_stack+0x123/0x177 [ 107.656184] print_address_description.cold.8+0x9/0x1ff [ 107.656192] kasan_report.cold.9+0x242/0x309 [ 107.656199] ? ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 107.656207] __asan_report_load1_noabort+0x14/0x20 [ 107.656211] ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 107.656219] ? dccp_ackvec_clear_state+0x33e/0x7e0 [ 107.656225] ? rcu_read_lock_sched_held+0x108/0x120 [ 107.656238] dccp_deliver_input_to_ccids+0x19f/0x210 [ 107.656245] dccp_rcv_established+0x49/0x70 [ 107.656251] dccp_v4_do_rcv+0xfa/0x160 [ 107.656259] __release_sock+0x107/0x360 [ 107.656271] release_sock+0x4f/0x180 [ 107.656277] dccp_sendmsg+0x4f6/0xe20 [ 107.656283] ? import_iovec+0x9f/0x440 [ 107.656292] ? dccp_getsockopt+0xd0/0xd0 [ 107.656302] ? copy_msghdr_from_user+0x20b/0x3e0 [ 107.656312] inet_sendmsg+0x108/0x440 [ 107.656319] ? security_socket_sendmsg+0x4a/0x90 [ 107.656324] ? ipip_gro_receive+0xf0/0xf0 [ 107.656329] sock_sendmsg+0xb5/0xf0 [ 107.656336] ___sys_sendmsg+0x28e/0x950 [ 107.656342] ? find_held_lock+0x36/0x1d0 [ 107.656349] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 107.656356] ? mark_held_locks+0x130/0x130 [ 107.793678] ? lock_downgrade+0x860/0x860 [ 107.797807] ? kasan_check_read+0x11/0x20 [ 107.802143] ? find_held_lock+0x36/0x1d0 [ 107.806196] ? __might_fault+0xf1/0x1b0 [ 107.810166] __sys_sendmmsg+0x160/0x370 [ 107.814132] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 107.818892] ? kasan_check_write+0x14/0x20 [ 107.823124] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 107.827972] ? __sb_end_write+0xa4/0xd0 [ 107.831940] ? kasan_check_write+0x14/0x20 [ 107.836198] ? fput+0x18/0x120 [ 107.839382] ? ksys_write+0x1ce/0x260 [ 107.843162] ? do_sys_open+0x16e/0x350 [ 107.847029] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 107.851809] ? do_syscall_64+0x21/0x4e0 [ 107.855759] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.861104] __x64_sys_sendmmsg+0x98/0x100 [ 107.865318] do_syscall_64+0xd0/0x4e0 [ 107.869153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.874317] RIP: 0033:0x45a219 [ 107.877530] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.896407] RSP: 002b:00007fb989912c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 107.904090] RAX: ffffffffffffffda RBX: 00007fb989912c90 RCX: 000000000045a219 [ 107.911338] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 107.918584] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 107.925834] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9899136d4 [ 107.933080] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 107.940333] [ 107.941939] Allocated by task 10224: [ 107.945980] save_stack+0x43/0xd0 [ 107.949411] kasan_kmalloc+0xc7/0xe0 [ 107.953124] __kmalloc_node_track_caller+0x50/0x70 [ 107.958035] __kmalloc_reserve.isra.39+0x2c/0xc0 [ 107.963633] __alloc_skb+0xd7/0x580 [ 107.967251] dccp_send_ack+0xb3/0x340 [ 107.971040] ccid2_hc_rx_packet_recv+0xf9/0x170 [ 107.975702] dccp_deliver_input_to_ccids+0xc5/0x210 [ 107.980726] dccp_rcv_established+0x49/0x70 [ 107.985026] dccp_v4_do_rcv+0xfa/0x160 [ 107.988890] __sk_receive_skb+0x2a2/0x9a0 [ 107.993023] dccp_v4_rcv+0xbcd/0x1bbd [ 107.996802] ip_local_deliver_finish+0x235/0x9f0 [ 108.001530] ip_local_deliver+0x2f7/0x440 [ 108.005668] ip_rcv_finish+0x166/0x270 [ 108.009598] ip_rcv+0xcb/0x2e0 [ 108.012780] __netif_receive_skb_one_core+0x112/0x1a0 [ 108.017981] __netif_receive_skb+0x1f/0x1b0 [ 108.022290] process_backlog+0x1ca/0x6d0 [ 108.026424] net_rx_action+0x470/0xe20 [ 108.030294] __do_softirq+0x260/0x92d [ 108.034099] [ 108.035713] Freed by task 10224: [ 108.039069] save_stack+0x43/0xd0 [ 108.042508] __kasan_slab_free+0x102/0x150 [ 108.046721] kasan_slab_free+0xe/0x10 [ 108.050502] kfree+0xcf/0x220 [ 108.053593] skb_free_head+0x74/0x90 [ 108.057281] skb_release_data+0x481/0x6c0 [ 108.061403] skb_release_all+0x3d/0x50 [ 108.065263] kfree_skb+0x97/0x270 [ 108.068699] dccp_v4_do_rcv+0x111/0x160 [ 108.072688] __release_sock+0x107/0x360 [ 108.076639] release_sock+0x4f/0x180 [ 108.080331] dccp_sendmsg+0x4f6/0xe20 [ 108.084133] inet_sendmsg+0x108/0x440 [ 108.087916] sock_sendmsg+0xb5/0xf0 [ 108.091517] ___sys_sendmsg+0x28e/0x950 [ 108.095480] __sys_sendmmsg+0x160/0x370 [ 108.099444] __x64_sys_sendmmsg+0x98/0x100 [ 108.103675] do_syscall_64+0xd0/0x4e0 [ 108.107449] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.112613] [ 108.114217] The buggy address belongs to the object at ffff888095736100 [ 108.114217] which belongs to the cache kmalloc-2048 of size 2048 [ 108.127021] The buggy address is located 1186 bytes inside of [ 108.127021] 2048-byte region [ffff888095736100, ffff888095736900) [ 108.139160] The buggy address belongs to the page: [ 108.144094] page:ffffea000255cd80 count:1 mapcount:0 mapping:ffff88812c35ec40 index:0x0 compound_mapcount: 0 [ 108.154060] flags: 0x1fffc0000008100(slab|head) [ 108.158706] raw: 01fffc0000008100 ffffea00025eea88 ffffea0002550788 ffff88812c35ec40 [ 108.166562] raw: 0000000000000000 ffff888095736100 0000000100000003 0000000000000000 [ 108.174683] page dumped because: kasan: bad access detected [ 108.180391] [ 108.182004] Memory state around the buggy address: [ 108.186909] ffff888095736480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.194436] ffff888095736500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.201771] >ffff888095736580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.209121] ^ [ 108.213513] ffff888095736600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.220868] ffff888095736680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.228218] ================================================================== [ 108.235549] Disabling lock debugging due to kernel taint [ 108.243013] Kernel panic - not syncing: panic_on_warn set ... [ 108.243013] [ 108.250376] CPU: 1 PID: 10224 Comm: syz-executor.3 Tainted: G B 4.19.128-syzkaller #0 [ 108.259642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.268985] Call Trace: [ 108.271569] dump_stack+0x123/0x177 [ 108.275172] panic+0x1cd/0x375 [ 108.278342] ? __warn_printk+0xd6/0xd6 [ 108.282204] ? ___preempt_schedule+0x16/0x18 [ 108.286605] kasan_end_report+0x47/0x4f [ 108.290553] kasan_report.cold.9+0x76/0x309 [ 108.294847] ? ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 108.299952] __asan_report_load1_noabort+0x14/0x20 [ 108.304854] ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 108.309771] ? dccp_ackvec_clear_state+0x33e/0x7e0 [ 108.314673] ? rcu_read_lock_sched_held+0x108/0x120 [ 108.319665] dccp_deliver_input_to_ccids+0x19f/0x210 [ 108.324741] dccp_rcv_established+0x49/0x70 [ 108.329038] dccp_v4_do_rcv+0xfa/0x160 [ 108.332922] __release_sock+0x107/0x360 [ 108.336871] release_sock+0x4f/0x180 [ 108.340557] dccp_sendmsg+0x4f6/0xe20 [ 108.344341] ? import_iovec+0x9f/0x440 [ 108.348201] ? dccp_getsockopt+0xd0/0xd0 [ 108.352235] ? copy_msghdr_from_user+0x20b/0x3e0 [ 108.356966] inet_sendmsg+0x108/0x440 [ 108.360747] ? security_socket_sendmsg+0x4a/0x90 [ 108.365473] ? ipip_gro_receive+0xf0/0xf0 [ 108.369592] sock_sendmsg+0xb5/0xf0 [ 108.373190] ___sys_sendmsg+0x28e/0x950 [ 108.377135] ? find_held_lock+0x36/0x1d0 [ 108.381169] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 108.385914] ? mark_held_locks+0x130/0x130 [ 108.390121] ? lock_downgrade+0x860/0x860 [ 108.394241] ? kasan_check_read+0x11/0x20 [ 108.398363] ? find_held_lock+0x36/0x1d0 [ 108.402399] ? __might_fault+0xf1/0x1b0 [ 108.406371] __sys_sendmmsg+0x160/0x370 [ 108.410328] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 108.414630] ? kasan_check_write+0x14/0x20 [ 108.418843] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 108.423663] ? __sb_end_write+0xa4/0xd0 [ 108.427628] ? kasan_check_write+0x14/0x20 [ 108.431845] ? fput+0x18/0x120 [ 108.435016] ? ksys_write+0x1ce/0x260 [ 108.438793] ? do_sys_open+0x16e/0x350 [ 108.442656] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 108.447386] ? do_syscall_64+0x21/0x4e0 [ 108.451334] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.456691] __x64_sys_sendmmsg+0x98/0x100 [ 108.460938] do_syscall_64+0xd0/0x4e0 [ 108.464711] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.469874] RIP: 0033:0x45a219 [ 108.473041] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.491927] RSP: 002b:00007fb989912c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 108.499606] RAX: ffffffffffffffda RBX: 00007fb989912c90 RCX: 000000000045a219 [ 108.506859] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 108.514103] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 108.521349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9899136d4 [ 108.528610] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 108.537138] Kernel Offset: disabled [ 108.540807] Rebooting in 86400 seconds..