[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 31.978974] audit: type=1400 audit(1596939794.678:8): avc: denied { execmem } for pid=6260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 31.992681] IPVS: ftp: loaded support on port[0] = 21 [ 32.364537] can: request_module (can-proto-0) failed. [ 33.013300] can: request_module (can-proto-0) failed. [ 33.039051] audit: type=1400 audit(1596939795.739:9): avc: denied { create } for pid=6240 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 '10.128.0.188' (ECDSA) to the list of known hosts. 2020/08/09 02:23:22 parsed 1 programs 2020/08/09 02:23:23 executed programs: 0 [ 40.641371] audit: type=1400 audit(1596939803.342:10): avc: denied { execmem } for pid=6381 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.728043] IPVS: ftp: loaded support on port[0] = 21 [ 40.751030] IPVS: ftp: loaded support on port[0] = 21 [ 40.815022] IPVS: ftp: loaded support on port[0] = 21 [ 40.828823] IPVS: ftp: loaded support on port[0] = 21 [ 40.828830] IPVS: ftp: loaded support on port[0] = 21 [ 40.888305] IPVS: ftp: loaded support on port[0] = 21 [ 40.963253] chnl_net:caif_netlink_parms(): no params data found [ 41.146246] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.156007] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.163177] device bridge_slave_0 entered promiscuous mode [ 41.213658] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.220014] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.227666] device bridge_slave_1 entered promiscuous mode [ 41.240787] chnl_net:caif_netlink_parms(): no params data found [ 41.285336] chnl_net:caif_netlink_parms(): no params data found [ 41.312916] chnl_net:caif_netlink_parms(): no params data found [ 41.328907] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.344527] chnl_net:caif_netlink_parms(): no params data found [ 41.377394] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.394195] chnl_net:caif_netlink_parms(): no params data found [ 41.446179] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.455421] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.463652] device bridge_slave_0 entered promiscuous mode [ 41.479642] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.487245] team0: Port device team_slave_0 added [ 41.492468] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.498794] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.505922] device bridge_slave_0 entered promiscuous mode [ 41.513060] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.519389] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.526397] device bridge_slave_1 entered promiscuous mode [ 41.544146] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.550480] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.559897] device bridge_slave_1 entered promiscuous mode [ 41.575168] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.582796] team0: Port device team_slave_1 added [ 41.628486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.635691] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.643268] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.650040] device bridge_slave_0 entered promiscuous mode [ 41.661941] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.668278] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.676194] device bridge_slave_0 entered promiscuous mode [ 41.685561] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.694947] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.702984] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.709313] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.716510] device bridge_slave_0 entered promiscuous mode [ 41.723615] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.730609] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.737266] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.745103] device bridge_slave_1 entered promiscuous mode [ 41.751456] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.757789] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.765594] device bridge_slave_1 entered promiscuous mode [ 41.771829] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.778170] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.785498] device bridge_slave_1 entered promiscuous mode [ 41.792665] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.805879] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.843194] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.868950] device hsr_slave_0 entered promiscuous mode [ 41.875066] device hsr_slave_1 entered promiscuous mode [ 41.886084] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.894857] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.907667] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.916566] team0: Port device team_slave_0 added [ 41.922262] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.929959] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.941964] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.955018] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.964951] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.972259] team0: Port device team_slave_0 added [ 41.977433] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.986576] team0: Port device team_slave_1 added [ 41.992419] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.003994] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.019004] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.027055] team0: Port device team_slave_1 added [ 42.032806] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.040114] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.048455] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.056435] team0: Port device team_slave_0 added [ 42.062319] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.069622] team0: Port device team_slave_1 added [ 42.084418] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.111205] device hsr_slave_0 entered promiscuous mode [ 42.116811] device hsr_slave_1 entered promiscuous mode [ 42.123243] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.130375] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.137721] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.145954] team0: Port device team_slave_0 added [ 42.151219] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.158399] team0: Port device team_slave_0 added [ 42.168392] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.180157] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.188049] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.195753] team0: Port device team_slave_1 added [ 42.201475] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.208540] team0: Port device team_slave_1 added [ 42.216399] device hsr_slave_0 entered promiscuous mode [ 42.222448] device hsr_slave_1 entered promiscuous mode [ 42.238005] device hsr_slave_0 entered promiscuous mode [ 42.246384] device hsr_slave_1 entered promiscuous mode [ 42.253107] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.260137] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.269954] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.277380] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.287168] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.294536] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.307269] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.315111] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.322617] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.332208] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.367507] device hsr_slave_0 entered promiscuous mode [ 42.373985] device hsr_slave_1 entered promiscuous mode [ 42.380060] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.392087] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.406086] device hsr_slave_0 entered promiscuous mode [ 42.412353] device hsr_slave_1 entered promiscuous mode [ 42.418426] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.425987] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.437850] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.446262] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.474625] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.503117] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.536462] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.556561] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.570047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.580730] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.597553] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.616670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.624398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.633374] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.639414] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.650298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.658836] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.670334] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.678876] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.687684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.694969] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.703146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.711112] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.717511] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.726884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.736026] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.745998] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.755327] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.761768] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.767792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.774980] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.783114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.790780] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.797102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.805757] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.815010] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.822766] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.830470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.840214] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.850299] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.858121] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.866896] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.873347] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.879628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.888930] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.896754] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.903134] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.909957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.916902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.924074] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.932212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.938985] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.946485] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.956744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.966332] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.973297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.986126] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.994801] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.002830] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.008907] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.018015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.025537] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.033680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.041560] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.047872] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.055296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.062747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.069473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.077547] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.086203] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.095039] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.104415] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.111453] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.118303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.127486] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.135438] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.142226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.149890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.161174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.168624] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.175031] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.182230] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.189790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.199753] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.208394] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.217742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.228517] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.236877] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.243638] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.251368] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.258949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.267082] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.275128] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.281538] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.288241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.296462] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.304082] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.310472] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.317110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.324877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.331830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.339466] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.348159] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.356905] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.366135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.376655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.385891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.394478] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.402415] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.408723] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.415716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.423775] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.431380] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.437698] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.444551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.452096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.459345] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.466846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.474299] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.484565] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.492798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.502023] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.508021] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.516733] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.525380] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.533425] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.540098] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.548167] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.558056] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.564427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.571686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.579185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.587304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.596788] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.606713] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.614638] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.623321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.631295] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.639987] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.648001] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.656649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.668279] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.674840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.682679] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.690028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.697966] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.705467] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.714237] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.722732] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.731595] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.739722] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.749013] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.758511] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.767543] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.775151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.783075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.790938] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.797283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.804069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.812262] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.819773] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.827562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.835219] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.842864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.851484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.858852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.866634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.874291] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.880662] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.887606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.894712] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.904158] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.912080] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.923375] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.933617] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.940849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.948425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.956043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.963680] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.971251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.978606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.986377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.994384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.003874] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.013624] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.023324] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.032268] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.040650] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.048458] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.059389] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.066861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.076882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.084390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.092040] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.099414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.106925] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.114480] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.122307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.129895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.137419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.145362] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.154982] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.161151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.175950] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.182416] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.198361] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.206126] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.215302] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.231825] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.237848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.248104] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.258210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.265881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.273842] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.281673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.289259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.301370] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.307370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.321408] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.336429] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.345173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.356899] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 44.365331] in_atomic(): 1, irqs_disabled(): 0, pid: 7281, name: syz-executor.2 [ 44.372819] 2 locks held by syz-executor.2/7281: [ 44.377556] #0: 0000000045b4cb92 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 44.385729] #1: 000000006a682648 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 44.393758] Preemption disabled at: [ 44.393766] [] red_change+0x388/0x1790 [ 44.402855] CPU: 1 PID: 7281 Comm: syz-executor.2 Not tainted 4.19.138-syzkaller #0 [ 44.410636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.419992] Call Trace: [ 44.422555] dump_stack+0x123/0x177 [ 44.426177] ? red_change+0x388/0x1790 [ 44.430048] ___might_sleep.cold.88+0x1bb/0x1f4 [ 44.434699] __might_sleep+0x95/0x190 [ 44.438487] __flush_work+0xbd/0x7f0 [ 44.442177] ? save_stack+0x43/0xd0 [ 44.445792] ? __kasan_slab_free+0x102/0x150 [ 44.450176] ? kasan_slab_free+0xe/0x10 [ 44.454164] ? insert_work+0x350/0x350 [ 44.458051] ? mark_held_locks+0xc7/0x130 [ 44.462173] ? try_to_grab_pending+0xaf/0x5e0 [ 44.466658] ? __cancel_work_timer+0x14f/0x430 [ 44.471259] ? cancel_work_sync+0xb/0x10 [ 44.475322] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 44.479878] ? __cancel_work_timer+0x14f/0x430 [ 44.484435] ? trace_hardirqs_on+0x28/0x190 [ 44.488731] __cancel_work_timer+0x2f1/0x430 [ 44.493122] ? try_to_grab_pending+0x5e0/0x5e0 [ 44.497705] ? hrtimer_try_to_cancel+0x6c/0x510 [ 44.502350] ? hrtimer_run_softirq+0x250/0x250 [ 44.506907] ? mark_held_locks+0xc7/0x130 [ 44.511041] cancel_work_sync+0xb/0x10 [ 44.514910] htb_destroy+0x20/0x4c0 [ 44.518508] ? htb_reset+0x2cd/0x4c0 [ 44.522199] qdisc_destroy+0x134/0x660 [ 44.526065] ? do_raw_spin_lock+0xd0/0x240 [ 44.530285] red_change+0x6ee/0x1790 [ 44.533996] ? red_enqueue+0x1fd0/0x1fd0 [ 44.538051] ? nla_strcmp+0x9b/0xe0 [ 44.541670] tc_modify_qdisc+0xc2f/0x18f4 [ 44.545793] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 44.550184] ? qdisc_create+0xf60/0xf60 [ 44.554147] ? find_held_lock+0x36/0x1d0 [ 44.558196] rtnetlink_rcv_msg+0x34f/0x8f0 [ 44.562415] ? rtnetlink_put_metrics+0x490/0x490 [ 44.567157] ? find_held_lock+0x36/0x1d0 [ 44.571208] netlink_rcv_skb+0x13e/0x3d0 [ 44.575248] ? lock_downgrade+0x860/0x860 [ 44.579388] ? rtnetlink_put_metrics+0x490/0x490 [ 44.584136] ? netlink_ack+0xa50/0xa50 [ 44.587997] ? netlink_deliver_tap+0x182/0xb00 [ 44.592564] rtnetlink_rcv+0x10/0x20 [ 44.596261] netlink_unicast+0x445/0x640 [ 44.600316] ? netlink_attachskb+0x6d0/0x6d0 [ 44.604701] netlink_sendmsg+0x765/0xc50 [ 44.608751] ? netlink_unicast+0x640/0x640 [ 44.612961] ? copy_msghdr_from_user+0x20b/0x3e0 [ 44.617700] ? selinux_socket_sendmsg+0x31/0x40 [ 44.622343] ? netlink_unicast+0x640/0x640 [ 44.627596] sock_sendmsg+0xb5/0xf0 [ 44.631205] ___sys_sendmsg+0x647/0x950 [ 44.635163] ? find_held_lock+0x36/0x1d0 [ 44.639199] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 44.643946] ? __fget+0x278/0x400 [ 44.647374] ? kasan_check_read+0x11/0x20 [ 44.651521] ? __fget+0x295/0x400 [ 44.654958] ? ksys_dup3+0x2e0/0x2e0 [ 44.658728] ? find_held_lock+0x36/0x1d0 [ 44.662766] ? __fget_light+0x174/0x1e0 [ 44.666713] ? lock_downgrade+0x860/0x860 [ 44.670866] ? __fdget+0xe/0x10 [ 44.674133] __sys_sendmsg+0xd9/0x180 [ 44.677913] ? __ia32_sys_shutdown+0x70/0x70 [ 44.682295] ? kasan_check_read+0x11/0x20 [ 44.686421] ? _copy_to_user+0x91/0xb0 [ 44.690290] ? put_timespec64+0xa9/0x100 [ 44.694334] ? nsecs_to_jiffies+0x20/0x20 [ 44.698468] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.703838] __x64_sys_sendmsg+0x73/0xb0 [ 44.707881] do_syscall_64+0xd0/0x4e0 [ 44.711663] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.716846] RIP: 0033:0x459ad9 [ 44.720011] Code: 7d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 4b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.738904] RSP: 002b:00007f8ab48a0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.746583] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 44.753831] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 44.761084] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 44.768340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ab48a16d4 [ 44.775583] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 44.789684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.797356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.806629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.832839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.841692] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.847751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.860609] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.877724] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.886324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.896240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.905758] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.912277] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.923906] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.934665] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.949821] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.964736] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.994758] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.044133] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.055973] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.361297] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 45.369696] in_atomic(): 1, irqs_disabled(): 0, pid: 7367, name: syz-executor.3 [ 45.377189] 2 locks held by syz-executor.3/7367: [ 45.381983] #0: 0000000045b4cb92 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 45.390176] #1: 00000000ca41b0f3 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 45.398174] Preemption disabled at: [ 45.398181] [] red_change+0x388/0x1790 [ 45.407309] CPU: 1 PID: 7367 Comm: syz-executor.3 Tainted: G W 4.19.138-syzkaller #0 [ 45.416479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.425821] Call Trace: [ 45.428396] dump_stack+0x123/0x177 [ 45.432022] ? red_change+0x388/0x1790 [ 45.435929] ___might_sleep.cold.88+0x1bb/0x1f4 [ 45.440593] __might_sleep+0x95/0x190 [ 45.444399] __flush_work+0xbd/0x7f0 [ 45.448111] ? save_stack+0x43/0xd0 [ 45.451725] ? __kasan_slab_free+0x102/0x150 [ 45.456121] ? kasan_slab_free+0xe/0x10 [ 45.460082] ? insert_work+0x350/0x350 [ 45.463964] ? mark_held_locks+0xc7/0x130 [ 45.468106] ? try_to_grab_pending+0xaf/0x5e0 [ 45.472589] ? __cancel_work_timer+0x14f/0x430 [ 45.477160] ? cancel_work_sync+0xb/0x10 [ 45.481215] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 45.485813] ? __cancel_work_timer+0x14f/0x430 [ 45.490388] ? trace_hardirqs_on+0x28/0x190 [ 45.494708] __cancel_work_timer+0x2f1/0x430 [ 45.499108] ? try_to_grab_pending+0x5e0/0x5e0 [ 45.503683] ? hrtimer_try_to_cancel+0x6c/0x510 [ 45.508332] ? hrtimer_run_softirq+0x250/0x250 [ 45.512902] ? mark_held_locks+0xc7/0x130 [ 45.517047] cancel_work_sync+0xb/0x10 [ 45.520929] htb_destroy+0x20/0x4c0 [ 45.524544] ? htb_reset+0x2cd/0x4c0 [ 45.528251] qdisc_destroy+0x134/0x660 [ 45.532128] ? do_raw_spin_lock+0xd0/0x240 [ 45.536354] red_change+0x6ee/0x1790 [ 45.540064] ? red_enqueue+0x1fd0/0x1fd0 [ 45.544121] ? nla_strcmp+0x9b/0xe0 [ 45.547743] tc_modify_qdisc+0xc2f/0x18f4 [ 45.551883] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 45.556286] ? qdisc_create+0xf60/0xf60 [ 45.560255] ? find_held_lock+0x36/0x1d0 [ 45.564331] rtnetlink_rcv_msg+0x34f/0x8f0 [ 45.568561] ? rtnetlink_put_metrics+0x490/0x490 [ 45.573308] ? find_held_lock+0x36/0x1d0 [ 45.577367] netlink_rcv_skb+0x13e/0x3d0 [ 45.581428] ? lock_downgrade+0x860/0x860 [ 45.585566] ? rtnetlink_put_metrics+0x490/0x490 [ 45.590316] ? netlink_ack+0xa50/0xa50 [ 45.594195] ? netlink_deliver_tap+0x182/0xb00 [ 45.598771] rtnetlink_rcv+0x10/0x20 [ 45.602475] netlink_unicast+0x445/0x640 [ 45.606530] ? netlink_attachskb+0x6d0/0x6d0 [ 45.610936] netlink_sendmsg+0x765/0xc50 [ 45.614989] ? netlink_unicast+0x640/0x640 [ 45.619208] ? copy_msghdr_from_user+0x20b/0x3e0 [ 45.623942] ? selinux_socket_sendmsg+0x31/0x40 [ 45.628587] ? netlink_unicast+0x640/0x640 [ 45.632805] sock_sendmsg+0xb5/0xf0 [ 45.636429] ___sys_sendmsg+0x647/0x950 [ 45.640394] ? find_held_lock+0x36/0x1d0 [ 45.644460] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 45.649193] ? __fget+0x278/0x400 [ 45.652632] ? kasan_check_read+0x11/0x20 [ 45.656791] ? __fget+0x295/0x400 [ 45.660232] ? ksys_dup3+0x2e0/0x2e0 [ 45.663927] ? find_held_lock+0x36/0x1d0 [ 45.667966] ? __fget_light+0x174/0x1e0 [ 45.671926] ? lock_downgrade+0x860/0x860 [ 45.676057] ? __fdget+0xe/0x10 [ 45.679314] __sys_sendmsg+0xd9/0x180 [ 45.683095] ? __ia32_sys_shutdown+0x70/0x70 [ 45.687523] ? kasan_check_read+0x11/0x20 [ 45.691660] ? _copy_to_user+0x91/0xb0 [ 45.695528] ? put_timespec64+0xa9/0x100 [ 45.699562] ? nsecs_to_jiffies+0x20/0x20 [ 45.703688] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.709028] __x64_sys_sendmsg+0x73/0xb0 [ 45.713078] do_syscall_64+0xd0/0x4e0 [ 45.716862] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.722030] RIP: 0033:0x459ad9 [ 45.725201] Code: 7d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 4b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.744082] RSP: 002b:00007f52750a4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 45.751780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 2020/08/09 02:23:28 executed programs: 30 [ 45.759050] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 45.766301] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 45.773558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52750a56d4 [ 45.780816] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 46.369853] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 46.378213] in_atomic(): 1, irqs_disabled(): 0, pid: 7554, name: syz-executor.3 [ 46.385703] 2 locks held by syz-executor.3/7554: [ 46.390499] #0: 0000000045b4cb92 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 46.398647] #1: 00000000b08bb670 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 46.406669] Preemption disabled at: [ 46.406676] [] red_change+0x388/0x1790 [ 46.415813] CPU: 1 PID: 7554 Comm: syz-executor.3 Tainted: G W 4.19.138-syzkaller #0 [ 46.424986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.434326] Call Trace: [ 46.436902] dump_stack+0x123/0x177 [ 46.440521] ? red_change+0x388/0x1790 [ 46.444400] ___might_sleep.cold.88+0x1bb/0x1f4 [ 46.449059] __might_sleep+0x95/0x190 [ 46.452875] __flush_work+0xbd/0x7f0 [ 46.456582] ? save_stack+0x43/0xd0 [ 46.460208] ? __kasan_slab_free+0x102/0x150 [ 46.464600] ? kasan_slab_free+0xe/0x10 [ 46.468563] ? insert_work+0x350/0x350 [ 46.472450] ? mark_held_locks+0xc7/0x130 [ 46.476590] ? try_to_grab_pending+0xaf/0x5e0 [ 46.481078] ? __cancel_work_timer+0x14f/0x430 [ 46.485648] ? cancel_work_sync+0xb/0x10 [ 46.489721] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 46.494292] ? __cancel_work_timer+0x14f/0x430 [ 46.498865] ? trace_hardirqs_on+0x28/0x190 [ 46.503178] __cancel_work_timer+0x2f1/0x430 [ 46.507574] ? try_to_grab_pending+0x5e0/0x5e0 [ 46.512147] ? hrtimer_try_to_cancel+0x6c/0x510 [ 46.516806] ? hrtimer_run_softirq+0x250/0x250 [ 46.521375] ? mark_held_locks+0xc7/0x130 [ 46.525517] cancel_work_sync+0xb/0x10 [ 46.529401] htb_destroy+0x20/0x4c0 [ 46.533019] ? htb_reset+0x2cd/0x4c0 [ 46.536728] qdisc_destroy+0x134/0x660 [ 46.540605] ? do_raw_spin_lock+0xd0/0x240 [ 46.544834] red_change+0x6ee/0x1790 [ 46.548545] ? red_enqueue+0x1fd0/0x1fd0 [ 46.552602] ? nla_strcmp+0x9b/0xe0 [ 46.556223] tc_modify_qdisc+0xc2f/0x18f4 [ 46.560362] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 46.564772] ? qdisc_create+0xf60/0xf60 [ 46.568745] ? find_held_lock+0x36/0x1d0 [ 46.572821] rtnetlink_rcv_msg+0x34f/0x8f0 [ 46.577049] ? rtnetlink_put_metrics+0x490/0x490 [ 46.581796] ? find_held_lock+0x36/0x1d0 [ 46.585852] netlink_rcv_skb+0x13e/0x3d0 [ 46.589902] ? lock_downgrade+0x860/0x860 [ 46.594042] ? rtnetlink_put_metrics+0x490/0x490 [ 46.598796] ? netlink_ack+0xa50/0xa50 [ 46.602703] ? netlink_deliver_tap+0x182/0xb00 [ 46.607299] rtnetlink_rcv+0x10/0x20 [ 46.611015] netlink_unicast+0x445/0x640 [ 46.615073] ? netlink_attachskb+0x6d0/0x6d0 [ 46.619479] netlink_sendmsg+0x765/0xc50 [ 46.623547] ? netlink_unicast+0x640/0x640 [ 46.627775] ? copy_msghdr_from_user+0x20b/0x3e0 [ 46.632527] ? selinux_socket_sendmsg+0x31/0x40 [ 46.637186] ? netlink_unicast+0x640/0x640 [ 46.641415] sock_sendmsg+0xb5/0xf0 [ 46.645031] ___sys_sendmsg+0x647/0x950 [ 46.648994] ? find_held_lock+0x36/0x1d0 [ 46.653045] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 46.657787] ? __fget+0x278/0x400 [ 46.661235] ? kasan_check_read+0x11/0x20 [ 46.665372] ? __fget+0x295/0x400 [ 46.668804] ? ksys_dup3+0x2e0/0x2e0 [ 46.672495] ? find_held_lock+0x36/0x1d0 [ 46.676536] ? __fget_light+0x174/0x1e0 [ 46.680487] ? lock_downgrade+0x860/0x860 [ 46.684620] ? __fdget+0xe/0x10 [ 46.687889] __sys_sendmsg+0xd9/0x180 [ 46.691671] ? __ia32_sys_shutdown+0x70/0x70 [ 46.696090] ? kasan_check_read+0x11/0x20 [ 46.700238] ? _copy_to_user+0x91/0xb0 [ 46.704116] ? put_timespec64+0xa9/0x100 [ 46.708161] ? nsecs_to_jiffies+0x20/0x20 [ 46.712292] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.717633] __x64_sys_sendmsg+0x73/0xb0 [ 46.721677] do_syscall_64+0xd0/0x4e0 [ 46.725466] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.730637] RIP: 0033:0x459ad9 [ 46.733817] Code: 7d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 4b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.752700] RSP: 002b:00007f5275083c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 46.760384] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 46.767638] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 46.774893] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 46.782146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52750846d4 [ 46.789402] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff 2020/08/09 02:23:33 executed programs: 508