[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 21.899283] random: crng init done [ 21.903567] random: 7 urandom warning(s) missed due to ratelimiting [ 31.356410] IPVS: ftp: loaded support on port[0] = 21 [ 31.766843] can: request_module (can-proto-0) failed. [ 32.801706] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.204' (ECDSA) to the list of known hosts. 2021/01/06 08:33:46 parsed 1 programs 2021/01/06 08:33:47 executed programs: 0 [ 40.193147] IPVS: ftp: loaded support on port[0] = 21 [ 40.197481] IPVS: ftp: loaded support on port[0] = 21 [ 40.208971] IPVS: ftp: loaded support on port[0] = 21 [ 40.217438] IPVS: ftp: loaded support on port[0] = 21 [ 40.247053] IPVS: ftp: loaded support on port[0] = 21 [ 40.284085] IPVS: ftp: loaded support on port[0] = 21 [ 40.521122] chnl_net:caif_netlink_parms(): no params data found [ 40.572882] chnl_net:caif_netlink_parms(): no params data found [ 40.586352] chnl_net:caif_netlink_parms(): no params data found [ 40.598654] chnl_net:caif_netlink_parms(): no params data found [ 40.636718] chnl_net:caif_netlink_parms(): no params data found [ 40.655840] chnl_net:caif_netlink_parms(): no params data found [ 40.668274] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.675814] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.684891] device bridge_slave_0 entered promiscuous mode [ 40.695456] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.702866] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.710210] device bridge_slave_1 entered promiscuous mode [ 40.744830] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.751746] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.758791] device bridge_slave_0 entered promiscuous mode [ 40.798359] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.805478] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.813867] device bridge_slave_1 entered promiscuous mode [ 40.839760] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.848103] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.856479] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.863865] device bridge_slave_0 entered promiscuous mode [ 40.879334] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.886552] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.895982] device bridge_slave_0 entered promiscuous mode [ 40.906691] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.913893] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.921667] device bridge_slave_1 entered promiscuous mode [ 40.928443] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.936705] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.943614] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.951527] device bridge_slave_1 entered promiscuous mode [ 40.957890] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.964311] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.971369] device bridge_slave_0 entered promiscuous mode [ 40.999867] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.006416] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.014002] device bridge_slave_1 entered promiscuous mode [ 41.025468] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.038573] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.062159] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.069580] team0: Port device team_slave_0 added [ 41.080413] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.087061] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.094878] device bridge_slave_0 entered promiscuous mode [ 41.105521] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.112168] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.119071] device bridge_slave_1 entered promiscuous mode [ 41.126190] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.135302] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.143577] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.151155] team0: Port device team_slave_1 added [ 41.157047] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.166126] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.185962] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.195032] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.203449] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.214607] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.222125] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.229369] team0: Port device team_slave_0 added [ 41.235439] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.244690] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.273679] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.281330] team0: Port device team_slave_1 added [ 41.291127] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.298974] team0: Port device team_slave_0 added [ 41.304598] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.311891] team0: Port device team_slave_0 added [ 41.322373] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.329587] team0: Port device team_slave_0 added [ 41.338771] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.346209] team0: Port device team_slave_1 added [ 41.351862] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.363383] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.371101] team0: Port device team_slave_1 added [ 41.376279] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.383633] team0: Port device team_slave_1 added [ 41.432620] device hsr_slave_0 entered promiscuous mode [ 41.472780] device hsr_slave_1 entered promiscuous mode [ 41.512867] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.520453] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.527901] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.536492] team0: Port device team_slave_0 added [ 41.541849] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.549342] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.563217] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.570522] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.586717] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.594456] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.602748] team0: Port device team_slave_1 added [ 41.608077] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.616645] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.651778] device hsr_slave_0 entered promiscuous mode [ 41.700357] device hsr_slave_1 entered promiscuous mode [ 41.783171] device hsr_slave_0 entered promiscuous mode [ 41.830368] device hsr_slave_1 entered promiscuous mode [ 41.880886] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.942035] device hsr_slave_0 entered promiscuous mode [ 41.980168] device hsr_slave_1 entered promiscuous mode [ 42.020390] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.031025] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.038195] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.046322] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.057501] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.101335] device hsr_slave_0 entered promiscuous mode [ 42.140147] device hsr_slave_1 entered promiscuous mode [ 42.180627] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.187509] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.201890] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.209085] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.219412] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.241897] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.282624] device hsr_slave_0 entered promiscuous mode [ 42.330163] device hsr_slave_1 entered promiscuous mode [ 42.370445] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.377602] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.392234] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.412187] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.441704] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.454599] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.475587] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.487403] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.498940] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.508738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.520505] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.528320] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.542501] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.549920] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.557512] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.569400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.577544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.584718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.592046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.599021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.606725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.616700] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.623720] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.633183] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.639472] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.650087] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.659052] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.666221] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.675706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.690085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.698128] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.706852] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.713595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.721811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.729809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.737999] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.744402] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.752331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.759921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.768236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.778322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.790402] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.798329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.808751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.817499] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.824035] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.833790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.842295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.852405] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.858752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.867090] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.877107] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.886132] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.902818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.910376] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.918482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.929326] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.936035] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.943558] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.951865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.960170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.968284] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.975250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.985015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.995824] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.003944] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.018503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.024916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.033446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.042667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.053007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.063834] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.071997] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.079238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.088611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.096952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.104110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.113353] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.122532] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.132763] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.142190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.149730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.158268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.166178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.174050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.183143] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.190928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.198729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.208260] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.216354] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.224948] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.231848] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.239523] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.248175] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.256957] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.264981] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.273351] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.280747] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.287815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.295756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.303639] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.312601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.320531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.328563] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.338166] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.348874] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.355603] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.363452] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.371354] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.381700] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.389499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.396777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.404292] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.412454] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.419703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.427569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.436116] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.444080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.453172] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.463278] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.470333] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.477310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.487202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.494760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.503773] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.512129] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.518680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.525745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.533731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.541618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.549894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.558754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.568911] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.578243] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.586376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.594848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.602603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.611074] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.618888] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.625306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.632658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.640858] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.648615] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.655191] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.662567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.670946] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.678555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.686670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.695663] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.705178] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.714208] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.726515] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.733065] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.741288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.748647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.757220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.765100] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.771583] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.778802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.787059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.794958] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.801749] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.808888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.818851] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.827352] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.833709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.845886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.854830] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.862661] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.870528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.878913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.887474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.896708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.904872] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.911393] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.920217] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.930370] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.941932] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.952369] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.961007] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.967827] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.976928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.985474] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.993551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.001497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.009161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.017136] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.027946] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.035358] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.044166] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.052824] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.061298] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.069790] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.079318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.087536] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.095735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.104301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.112657] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.122474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.132320] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.142059] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.149700] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.156510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.165692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.173466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.181448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.190267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.199096] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.208513] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.218022] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.228754] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.235599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.243909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.252682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.260779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.268329] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.276402] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.284662] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.294119] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.303007] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.315297] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.330736] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.336942] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.346543] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.357924] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.371397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.379961] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.388826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.402587] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.413030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.422122] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.436433] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.444574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.452662] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.462267] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.472119] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.478538] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.495906] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.506145] 8021q: adding VLAN 0 to HW filter on device batadv0 2021/01/06 08:33:52 executed programs: 6 [ 46.513627] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 46.522507] in_atomic(): 1, irqs_disabled(): 0, pid: 6621, name: syz-executor.2 [ 46.529994] 2 locks held by syz-executor.2/6621: [ 46.534835] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 46.543151] #1: 00000000a5e3ef59 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 46.551599] Preemption disabled at: [ 46.551612] [] red_change+0x388/0x1790 [ 46.561233] CPU: 0 PID: 6621 Comm: syz-executor.2 Not tainted 4.19.164-syzkaller #0 [ 46.570051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.580714] Call Trace: [ 46.583567] dump_stack+0x123/0x177 [ 46.587291] ? red_change+0x388/0x1790 [ 46.591369] ___might_sleep.cold.88+0x1bb/0x1f4 [ 46.596074] __might_sleep+0x95/0x190 [ 46.599888] __flush_work+0xbd/0x7f0 [ 46.603692] ? save_stack+0x43/0xd0 [ 46.607344] ? __kasan_slab_free+0x102/0x150 [ 46.612092] ? kasan_slab_free+0xe/0x10 [ 46.616251] ? insert_work+0x350/0x350 [ 46.620571] ? mark_held_locks+0xc7/0x130 [ 46.624727] ? try_to_grab_pending+0xaf/0x5e0 [ 46.629365] ? __cancel_work_timer+0x14f/0x430 [ 46.634368] ? cancel_work_sync+0xb/0x10 [ 46.638446] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 46.643013] ? __cancel_work_timer+0x14f/0x430 [ 46.647581] ? trace_hardirqs_on+0x28/0x190 [ 46.651916] __cancel_work_timer+0x2f1/0x430 [ 46.656401] ? try_to_grab_pending+0x5e0/0x5e0 [ 46.661176] ? hrtimer_try_to_cancel+0x6c/0x510 [ 46.666003] ? hrtimer_run_softirq+0x250/0x250 [ 46.670876] ? mark_held_locks+0xc7/0x130 [ 46.675015] cancel_work_sync+0xb/0x10 [ 46.678988] htb_destroy+0x20/0x4c0 [ 46.682777] ? htb_reset+0x2cd/0x4c0 [ 46.686573] qdisc_destroy+0x134/0x6d0 [ 46.690705] ? do_raw_spin_lock+0xd0/0x240 [ 46.695044] red_change+0x6ee/0x1790 [ 46.699019] ? apparmor_capable+0x224/0x420 [ 46.703582] ? red_enqueue+0x1fd0/0x1fd0 [ 46.708241] ? nla_strcmp+0x9b/0xe0 [ 46.711955] tc_modify_qdisc+0xc2f/0x18f4 [ 46.716091] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 46.720558] ? qdisc_create+0xf60/0xf60 [ 46.724620] ? find_held_lock+0x36/0x1d0 [ 46.728675] rtnetlink_rcv_msg+0x34f/0x8f0 [ 46.733276] ? rtnetlink_put_metrics+0x490/0x490 [ 46.738120] ? find_held_lock+0x36/0x1d0 [ 46.742296] netlink_rcv_skb+0x13e/0x3d0 [ 46.746358] ? lock_downgrade+0x860/0x860 [ 46.750688] ? rtnetlink_put_metrics+0x490/0x490 [ 46.756293] ? netlink_ack+0xa50/0xa50 [ 46.760288] ? netlink_deliver_tap+0x182/0xb00 [ 46.764876] rtnetlink_rcv+0x10/0x20 [ 46.768625] netlink_unicast+0x445/0x640 [ 46.772696] ? netlink_attachskb+0x6d0/0x6d0 [ 46.777089] ? _copy_from_iter_full+0x182/0x720 [ 46.781883] ? __check_object_size+0x1ef/0x301 [ 46.786658] netlink_sendmsg+0x765/0xc50 [ 46.791063] ? netlink_unicast+0x640/0x640 [ 46.795378] ? apparmor_socket_sendmsg+0x1b/0x20 [ 46.800322] ? netlink_unicast+0x640/0x640 [ 46.804626] sock_sendmsg+0xb5/0xf0 [ 46.808459] ___sys_sendmsg+0x647/0x950 [ 46.812505] ? find_held_lock+0x36/0x1d0 [ 46.816665] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 46.821417] ? __fget+0x278/0x400 [ 46.824971] ? kasan_check_read+0x11/0x20 [ 46.829120] ? __fget+0x295/0x400 [ 46.832577] ? ksys_dup3+0x2e0/0x2e0 [ 46.836362] ? find_held_lock+0x36/0x1d0 [ 46.840594] ? __fget_light+0x174/0x1e0 [ 46.844563] ? lock_downgrade+0x860/0x860 [ 46.848702] ? __fdget+0xe/0x10 [ 46.851991] __sys_sendmsg+0xd9/0x180 [ 46.855782] ? __ia32_sys_shutdown+0x70/0x70 [ 46.860174] ? kasan_check_read+0x11/0x20 [ 46.864353] ? _copy_to_user+0x91/0xb0 [ 46.868411] ? put_timespec64+0xa9/0x100 [ 46.872458] ? nsecs_to_jiffies+0x20/0x20 [ 46.876704] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.882245] __x64_sys_sendmsg+0x73/0xb0 [ 46.886348] do_syscall_64+0xd0/0x4e0 [ 46.890332] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.895800] RIP: 0033:0x459ad9 [ 46.899095] 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 [ 46.918228] RSP: 002b:00007f419fb1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 46.926113] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 46.933485] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 46.941293] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 46.948899] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f419fb206d4 [ 46.956188] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 47.654169] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 47.663520] in_atomic(): 1, irqs_disabled(): 0, pid: 6639, name: syz-executor.2 [ 47.671336] 2 locks held by syz-executor.2/6639: [ 47.676496] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 47.684893] #1: 00000000c9058f97 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 47.693106] Preemption disabled at: [ 47.693119] [] red_change+0x388/0x1790 [ 47.702433] CPU: 0 PID: 6639 Comm: syz-executor.2 Tainted: G W 4.19.164-syzkaller #0 [ 47.712255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.721724] Call Trace: [ 47.724353] dump_stack+0x123/0x177 [ 47.728188] ? red_change+0x388/0x1790 [ 47.732235] ___might_sleep.cold.88+0x1bb/0x1f4 [ 47.736926] __might_sleep+0x95/0x190 [ 47.740991] __flush_work+0xbd/0x7f0 [ 47.744876] ? save_stack+0x43/0xd0 [ 47.748752] ? __kasan_slab_free+0x102/0x150 [ 47.753243] ? kasan_slab_free+0xe/0x10 [ 47.757751] ? insert_work+0x350/0x350 [ 47.761630] ? mark_held_locks+0xc7/0x130 [ 47.765768] ? try_to_grab_pending+0xaf/0x5e0 [ 47.770590] ? __cancel_work_timer+0x14f/0x430 [ 47.775167] ? cancel_work_sync+0xb/0x10 [ 47.779736] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 47.784441] ? __cancel_work_timer+0x14f/0x430 [ 47.789104] ? trace_hardirqs_on+0x28/0x190 [ 47.793544] __cancel_work_timer+0x2f1/0x430 [ 47.798199] ? try_to_grab_pending+0x5e0/0x5e0 [ 47.802863] ? hrtimer_try_to_cancel+0x6c/0x510 [ 47.807619] ? hrtimer_run_softirq+0x250/0x250 [ 47.812319] ? mark_held_locks+0xc7/0x130 [ 47.816519] cancel_work_sync+0xb/0x10 [ 47.820504] htb_destroy+0x20/0x4c0 [ 47.824151] ? htb_reset+0x2cd/0x4c0 [ 47.827944] qdisc_destroy+0x134/0x6d0 [ 47.831920] ? do_raw_spin_lock+0xd0/0x240 [ 47.836406] red_change+0x6ee/0x1790 [ 47.840120] ? apparmor_capable+0x224/0x420 [ 47.844522] ? red_enqueue+0x1fd0/0x1fd0 [ 47.848644] ? nla_strcmp+0x9b/0xe0 [ 47.852538] tc_modify_qdisc+0xc2f/0x18f4 [ 47.856683] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 47.861279] ? qdisc_create+0xf60/0xf60 [ 47.865627] ? find_held_lock+0x36/0x1d0 [ 47.869782] rtnetlink_rcv_msg+0x34f/0x8f0 [ 47.874180] ? rtnetlink_put_metrics+0x490/0x490 [ 47.879189] ? find_held_lock+0x36/0x1d0 [ 47.883259] netlink_rcv_skb+0x13e/0x3d0 [ 47.887330] ? lock_downgrade+0x860/0x860 [ 47.891588] ? rtnetlink_put_metrics+0x490/0x490 [ 47.896525] ? netlink_ack+0xa50/0xa50 [ 47.900447] ? netlink_deliver_tap+0x182/0xb00 [ 47.905293] rtnetlink_rcv+0x10/0x20 [ 47.909222] netlink_unicast+0x445/0x640 [ 47.913283] ? netlink_attachskb+0x6d0/0x6d0 [ 47.917817] ? _copy_from_iter_full+0x182/0x720 [ 47.922476] ? __check_object_size+0x1ef/0x301 [ 47.927236] netlink_sendmsg+0x765/0xc50 [ 47.931378] ? netlink_unicast+0x640/0x640 [ 47.935703] ? apparmor_socket_sendmsg+0x1b/0x20 [ 47.940561] ? netlink_unicast+0x640/0x640 [ 47.944783] sock_sendmsg+0xb5/0xf0 [ 47.948397] ___sys_sendmsg+0x647/0x950 [ 47.952553] ? find_held_lock+0x36/0x1d0 [ 47.956935] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 47.961687] ? __fget+0x278/0x400 [ 47.965129] ? kasan_check_read+0x11/0x20 [ 47.969414] ? __fget+0x295/0x400 [ 47.972874] ? ksys_dup3+0x2e0/0x2e0 [ 47.976741] ? find_held_lock+0x36/0x1d0 [ 47.981046] ? __fget_light+0x174/0x1e0 [ 47.985409] ? lock_downgrade+0x860/0x860 [ 47.990620] ? __fdget+0xe/0x10 [ 47.994432] __sys_sendmsg+0xd9/0x180 [ 47.998354] ? __ia32_sys_shutdown+0x70/0x70 [ 48.003469] ? kasan_check_read+0x11/0x20 [ 48.007979] ? _copy_to_user+0x91/0xb0 [ 48.012197] ? put_timespec64+0xa9/0x100 [ 48.017168] ? nsecs_to_jiffies+0x20/0x20 [ 48.021617] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.027692] __x64_sys_sendmsg+0x73/0xb0 [ 48.032025] do_syscall_64+0xd0/0x4e0 [ 48.036017] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.041869] RIP: 0033:0x459ad9 [ 48.045411] 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 [ 48.070470] RSP: 002b:00007f419fb1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 48.088702] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 48.119601] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 48.134896] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 48.144768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f419fb206d4 [ 48.153094] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 48.703709] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 48.712414] in_atomic(): 1, irqs_disabled(): 0, pid: 6654, name: syz-executor.1 [ 48.720237] 2 locks held by syz-executor.1/6654: [ 48.725251] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 48.733881] #1: 00000000607a04d4 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 48.742155] Preemption disabled at: [ 48.742166] [] red_change+0x388/0x1790 [ 48.751619] CPU: 1 PID: 6654 Comm: syz-executor.1 Tainted: G W 4.19.164-syzkaller #0 [ 48.761135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.770882] Call Trace: [ 48.773582] dump_stack+0x123/0x177 [ 48.777209] ? red_change+0x388/0x1790 [ 48.781219] ___might_sleep.cold.88+0x1bb/0x1f4 [ 48.785974] __might_sleep+0x95/0x190 [ 48.789783] __flush_work+0xbd/0x7f0 [ 48.793696] ? save_stack+0x43/0xd0 [ 48.797495] ? __kasan_slab_free+0x102/0x150 [ 48.802405] ? kasan_slab_free+0xe/0x10 [ 48.806588] ? insert_work+0x350/0x350 [ 48.810807] ? mark_held_locks+0xc7/0x130 [ 48.815032] ? try_to_grab_pending+0xaf/0x5e0 [ 48.819522] ? __cancel_work_timer+0x14f/0x430 [ 48.824182] ? cancel_work_sync+0xb/0x10 [ 48.828555] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 48.833487] ? __cancel_work_timer+0x14f/0x430 [ 48.838083] ? trace_hardirqs_on+0x28/0x190 [ 48.842484] __cancel_work_timer+0x2f1/0x430 [ 48.847022] ? try_to_grab_pending+0x5e0/0x5e0 [ 48.851620] ? hrtimer_try_to_cancel+0x6c/0x510 [ 48.856382] ? hrtimer_run_softirq+0x250/0x250 [ 48.861124] ? mark_held_locks+0xc7/0x130 [ 48.865366] cancel_work_sync+0xb/0x10 [ 48.869251] htb_destroy+0x20/0x4c0 [ 48.873016] ? htb_reset+0x2cd/0x4c0 [ 48.876848] qdisc_destroy+0x134/0x6d0 [ 48.880925] ? do_raw_spin_lock+0xd0/0x240 [ 48.885387] red_change+0x6ee/0x1790 [ 48.889106] ? apparmor_capable+0x224/0x420 [ 48.893414] ? red_enqueue+0x1fd0/0x1fd0 [ 48.897553] ? nla_strcmp+0x9b/0xe0 [ 48.901279] tc_modify_qdisc+0xc2f/0x18f4 [ 48.905679] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 48.910180] ? qdisc_create+0xf60/0xf60 [ 48.914541] ? find_held_lock+0x36/0x1d0 [ 48.918822] rtnetlink_rcv_msg+0x34f/0x8f0 [ 48.923231] ? rtnetlink_put_metrics+0x490/0x490 [ 48.927984] ? find_held_lock+0x36/0x1d0 [ 48.932135] netlink_rcv_skb+0x13e/0x3d0 [ 48.936368] ? lock_downgrade+0x860/0x860 [ 48.940871] ? rtnetlink_put_metrics+0x490/0x490 [ 48.946495] ? netlink_ack+0xa50/0xa50 [ 48.950772] ? netlink_deliver_tap+0x182/0xb00 [ 48.955437] rtnetlink_rcv+0x10/0x20 [ 48.959251] netlink_unicast+0x445/0x640 [ 48.963559] ? netlink_attachskb+0x6d0/0x6d0 [ 48.967953] ? _copy_from_iter_full+0x182/0x720 [ 48.973074] ? __check_object_size+0x1ef/0x301 [ 48.977662] netlink_sendmsg+0x765/0xc50 [ 48.982012] ? netlink_unicast+0x640/0x640 [ 48.986346] ? apparmor_socket_sendmsg+0x1b/0x20 [ 48.991285] ? netlink_unicast+0x640/0x640 [ 48.995616] sock_sendmsg+0xb5/0xf0 [ 48.999408] ___sys_sendmsg+0x647/0x950 [ 49.003384] ? find_held_lock+0x36/0x1d0 [ 49.007773] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 49.012699] ? __fget+0x278/0x400 [ 49.016138] ? kasan_check_read+0x11/0x20 [ 49.020289] ? __fget+0x295/0x400 [ 49.023833] ? ksys_dup3+0x2e0/0x2e0 [ 49.027840] ? find_held_lock+0x36/0x1d0 [ 49.032057] ? __fget_light+0x174/0x1e0 [ 49.036020] ? lock_downgrade+0x860/0x860 [ 49.040328] ? __fdget+0xe/0x10 [ 49.043608] __sys_sendmsg+0xd9/0x180 [ 49.047498] ? __ia32_sys_shutdown+0x70/0x70 [ 49.052279] ? kasan_check_read+0x11/0x20 [ 49.056716] ? _copy_to_user+0x91/0xb0 [ 49.060807] ? put_timespec64+0xa9/0x100 [ 49.065052] ? nsecs_to_jiffies+0x20/0x20 [ 49.069360] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.075177] __x64_sys_sendmsg+0x73/0xb0 [ 49.079228] do_syscall_64+0xd0/0x4e0 [ 49.083111] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.088847] RIP: 0033:0x459ad9 [ 49.092295] 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 [ 49.111633] RSP: 002b:00007fc9a9f3dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.119730] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 49.127258] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 49.134623] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 49.141983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9a9f3e6d4 [ 49.149386] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 49.832527] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 49.841683] in_atomic(): 1, irqs_disabled(): 0, pid: 6680, name: syz-executor.3 [ 49.850223] 2 locks held by syz-executor.3/6680: [ 49.855020] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 49.863217] #1: 00000000c8d033cc (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 49.871363] Preemption disabled at: [ 49.871373] [] red_change+0x388/0x1790 [ 49.880664] CPU: 1 PID: 6680 Comm: syz-executor.3 Tainted: G W 4.19.164-syzkaller #0 [ 49.890332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.900199] Call Trace: [ 49.903057] dump_stack+0x123/0x177 [ 49.906784] ? red_change+0x388/0x1790 [ 49.910662] ___might_sleep.cold.88+0x1bb/0x1f4 [ 49.915334] __might_sleep+0x95/0x190 [ 49.919241] __flush_work+0xbd/0x7f0 [ 49.923263] ? save_stack+0x43/0xd0 [ 49.926962] ? __kasan_slab_free+0x102/0x150 [ 49.931528] ? kasan_slab_free+0xe/0x10 [ 49.935507] ? insert_work+0x350/0x350 [ 49.939479] ? mark_held_locks+0xc7/0x130 [ 49.943856] ? try_to_grab_pending+0xaf/0x5e0 [ 49.948460] ? __cancel_work_timer+0x14f/0x430 [ 49.953654] ? cancel_work_sync+0xb/0x10 [ 49.957713] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 49.962535] ? __cancel_work_timer+0x14f/0x430 [ 49.967529] ? trace_hardirqs_on+0x28/0x190 [ 49.972023] __cancel_work_timer+0x2f1/0x430 [ 49.976545] ? try_to_grab_pending+0x5e0/0x5e0 [ 49.981521] ? hrtimer_try_to_cancel+0x6c/0x510 [ 49.986356] ? hrtimer_run_softirq+0x250/0x250 [ 49.990930] ? mark_held_locks+0xc7/0x130 [ 49.995286] cancel_work_sync+0xb/0x10 [ 49.999700] htb_destroy+0x20/0x4c0 [ 50.003461] ? htb_reset+0x2cd/0x4c0 [ 50.007274] qdisc_destroy+0x134/0x6d0 [ 50.011288] ? do_raw_spin_lock+0xd0/0x240 [ 50.015717] red_change+0x6ee/0x1790 [ 50.019420] ? apparmor_capable+0x224/0x420 [ 50.024005] ? red_enqueue+0x1fd0/0x1fd0 [ 50.028190] ? nla_strcmp+0x9b/0xe0 [ 50.031991] tc_modify_qdisc+0xc2f/0x18f4 [ 50.036725] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 50.041390] ? qdisc_create+0xf60/0xf60 [ 50.045354] ? find_held_lock+0x36/0x1d0 [ 50.049779] rtnetlink_rcv_msg+0x34f/0x8f0 [ 50.054237] ? rtnetlink_put_metrics+0x490/0x490 [ 50.059078] ? find_held_lock+0x36/0x1d0 [ 50.063147] netlink_rcv_skb+0x13e/0x3d0 [ 50.067216] ? lock_downgrade+0x860/0x860 [ 50.071463] ? rtnetlink_put_metrics+0x490/0x490 [ 50.076404] ? netlink_ack+0xa50/0xa50 [ 50.080374] ? netlink_deliver_tap+0x182/0xb00 [ 50.085219] rtnetlink_rcv+0x10/0x20 [ 50.089103] netlink_unicast+0x445/0x640 [ 50.093247] ? netlink_attachskb+0x6d0/0x6d0 [ 50.097836] ? _copy_from_iter_full+0x182/0x720 [ 50.102614] ? __check_object_size+0x1ef/0x301 [ 50.107465] netlink_sendmsg+0x765/0xc50 [ 50.111542] ? netlink_unicast+0x640/0x640 [ 50.115784] ? apparmor_socket_sendmsg+0x1b/0x20 [ 50.121007] ? netlink_unicast+0x640/0x640 [ 50.125234] sock_sendmsg+0xb5/0xf0 [ 50.128957] ___sys_sendmsg+0x647/0x950 [ 50.133121] ? find_held_lock+0x36/0x1d0 [ 50.137254] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 50.142009] ? __fget+0x278/0x400 [ 50.145673] ? kasan_check_read+0x11/0x20 [ 50.149922] ? __fget+0x295/0x400 [ 50.153561] ? ksys_dup3+0x2e0/0x2e0 [ 50.157470] ? find_held_lock+0x36/0x1d0 [ 50.161610] ? __fget_light+0x174/0x1e0 [ 50.165929] ? lock_downgrade+0x860/0x860 [ 50.170168] ? __fdget+0xe/0x10 [ 50.173442] __sys_sendmsg+0xd9/0x180 [ 50.177245] ? __ia32_sys_shutdown+0x70/0x70 [ 50.181672] ? kasan_check_read+0x11/0x20 [ 50.186048] ? _copy_to_user+0x91/0xb0 [ 50.190046] ? put_timespec64+0xa9/0x100 [ 50.194354] ? nsecs_to_jiffies+0x20/0x20 [ 50.198678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.204594] __x64_sys_sendmsg+0x73/0xb0 [ 50.209396] do_syscall_64+0xd0/0x4e0 [ 50.213403] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.219106] RIP: 0033:0x459ad9 [ 50.222296] 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 [ 50.241786] RSP: 002b:00007f600468bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.249769] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 50.257591] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 50.265218] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 50.272565] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f600468c6d4 [ 50.280285] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff 2021/01/06 08:33:57 executed programs: 20 [ 50.982867] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 50.992478] in_atomic(): 1, irqs_disabled(): 0, pid: 6700, name: syz-executor.5 [ 51.000108] 2 locks held by syz-executor.5/6700: [ 51.005367] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 51.013889] #1: 000000007a754294 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 51.022195] Preemption disabled at: [ 51.022206] [] red_change+0x388/0x1790 [ 51.031772] CPU: 0 PID: 6700 Comm: syz-executor.5 Tainted: G W 4.19.164-syzkaller #0 [ 51.041031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.051002] Call Trace: [ 51.053990] dump_stack+0x123/0x177 [ 51.057791] ? red_change+0x388/0x1790 [ 51.061817] ___might_sleep.cold.88+0x1bb/0x1f4 [ 51.066897] __might_sleep+0x95/0x190 [ 51.070873] __flush_work+0xbd/0x7f0 [ 51.074670] ? save_stack+0x43/0xd0 [ 51.078464] ? __kasan_slab_free+0x102/0x150 [ 51.083329] ? kasan_slab_free+0xe/0x10 [ 51.087674] ? insert_work+0x350/0x350 [ 51.092148] ? mark_held_locks+0xc7/0x130 [ 51.096702] ? try_to_grab_pending+0xaf/0x5e0 [ 51.101894] ? __cancel_work_timer+0x14f/0x430 [ 51.106906] ? cancel_work_sync+0xb/0x10 [ 51.111518] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 51.116190] ? __cancel_work_timer+0x14f/0x430 [ 51.120862] ? trace_hardirqs_on+0x28/0x190 [ 51.125170] __cancel_work_timer+0x2f1/0x430 [ 51.129653] ? try_to_grab_pending+0x5e0/0x5e0 [ 51.134482] ? hrtimer_try_to_cancel+0x6c/0x510 [ 51.139222] ? hrtimer_run_softirq+0x250/0x250 [ 51.143821] ? mark_held_locks+0xc7/0x130 [ 51.148161] cancel_work_sync+0xb/0x10 [ 51.152040] htb_destroy+0x20/0x4c0 [ 51.155752] ? htb_reset+0x2cd/0x4c0 [ 51.159452] qdisc_destroy+0x134/0x6d0 [ 51.163438] ? do_raw_spin_lock+0xd0/0x240 [ 51.167669] red_change+0x6ee/0x1790 [ 51.171376] ? apparmor_capable+0x224/0x420 [ 51.175803] ? red_enqueue+0x1fd0/0x1fd0 [ 51.179979] ? nla_strcmp+0x9b/0xe0 [ 51.184099] tc_modify_qdisc+0xc2f/0x18f4 [ 51.188357] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 51.192876] ? qdisc_create+0xf60/0xf60 [ 51.196859] ? find_held_lock+0x36/0x1d0 [ 51.200924] rtnetlink_rcv_msg+0x34f/0x8f0 [ 51.205148] ? rtnetlink_put_metrics+0x490/0x490 [ 51.209983] ? find_held_lock+0x36/0x1d0 [ 51.214035] netlink_rcv_skb+0x13e/0x3d0 [ 51.218083] ? lock_downgrade+0x860/0x860 [ 51.222303] ? rtnetlink_put_metrics+0x490/0x490 [ 51.227170] ? netlink_ack+0xa50/0xa50 [ 51.231168] ? netlink_deliver_tap+0x182/0xb00 [ 51.235735] rtnetlink_rcv+0x10/0x20 [ 51.239435] netlink_unicast+0x445/0x640 [ 51.243489] ? netlink_attachskb+0x6d0/0x6d0 [ 51.248090] ? _copy_from_iter_full+0x182/0x720 [ 51.252878] ? __check_object_size+0x1ef/0x301 [ 51.257888] netlink_sendmsg+0x765/0xc50 [ 51.262119] ? netlink_unicast+0x640/0x640 [ 51.266483] ? apparmor_socket_sendmsg+0x1b/0x20 [ 51.271557] ? netlink_unicast+0x640/0x640 [ 51.275907] sock_sendmsg+0xb5/0xf0 [ 51.279848] ___sys_sendmsg+0x647/0x950 [ 51.283861] ? find_held_lock+0x36/0x1d0 [ 51.288007] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 51.292765] ? __fget+0x278/0x400 [ 51.296216] ? kasan_check_read+0x11/0x20 [ 51.300479] ? __fget+0x295/0x400 [ 51.303941] ? ksys_dup3+0x2e0/0x2e0 [ 51.307843] ? find_held_lock+0x36/0x1d0 [ 51.311896] ? __fget_light+0x174/0x1e0 [ 51.315952] ? lock_downgrade+0x860/0x860 [ 51.320098] ? __fdget+0xe/0x10 [ 51.323501] __sys_sendmsg+0xd9/0x180 [ 51.327328] ? __ia32_sys_shutdown+0x70/0x70 [ 51.331811] ? kasan_check_read+0x11/0x20 [ 51.336029] ? _copy_to_user+0x91/0xb0 [ 51.339903] ? put_timespec64+0xa9/0x100 [ 51.343963] ? nsecs_to_jiffies+0x20/0x20 [ 51.348107] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.353458] __x64_sys_sendmsg+0x73/0xb0 [ 51.357505] do_syscall_64+0xd0/0x4e0 [ 51.361308] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.366592] RIP: 0033:0x459ad9 [ 51.369783] 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 [ 51.389587] RSP: 002b:00007fd21bcedc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.397367] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 51.404885] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 51.412352] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 51.419639] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd21bcee6d4 [ 51.426996] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 51.982852] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 51.991644] in_atomic(): 1, irqs_disabled(): 0, pid: 6730, name: syz-executor.2 [ 51.999398] 2 locks held by syz-executor.2/6730: [ 52.005201] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 52.013595] #1: 000000007a168ddb (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 52.022032] Preemption disabled at: [ 52.022042] [] red_change+0x388/0x1790 [ 52.031420] CPU: 0 PID: 6730 Comm: syz-executor.2 Tainted: G W 4.19.164-syzkaller #0 [ 52.040913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.050350] Call Trace: [ 52.052928] dump_stack+0x123/0x177 [ 52.056556] ? red_change+0x388/0x1790 [ 52.060565] ___might_sleep.cold.88+0x1bb/0x1f4 [ 52.065633] __might_sleep+0x95/0x190 [ 52.069489] __flush_work+0xbd/0x7f0 [ 52.073399] ? save_stack+0x43/0xd0 [ 52.077016] ? __kasan_slab_free+0x102/0x150 [ 52.081420] ? kasan_slab_free+0xe/0x10 [ 52.085411] ? insert_work+0x350/0x350 [ 52.089826] ? mark_held_locks+0xc7/0x130 [ 52.094053] ? try_to_grab_pending+0xaf/0x5e0 [ 52.099158] ? __cancel_work_timer+0x14f/0x430 [ 52.104261] ? cancel_work_sync+0xb/0x10 [ 52.108410] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 52.113285] ? __cancel_work_timer+0x14f/0x430 [ 52.118713] ? trace_hardirqs_on+0x28/0x190 [ 52.123260] __cancel_work_timer+0x2f1/0x430 [ 52.127686] ? try_to_grab_pending+0x5e0/0x5e0 [ 52.132438] ? hrtimer_try_to_cancel+0x6c/0x510 [ 52.137190] ? hrtimer_run_softirq+0x250/0x250 [ 52.141766] ? mark_held_locks+0xc7/0x130 [ 52.146074] cancel_work_sync+0xb/0x10 [ 52.150159] htb_destroy+0x20/0x4c0 [ 52.153861] ? htb_reset+0x2cd/0x4c0 [ 52.157807] qdisc_destroy+0x134/0x6d0 [ 52.161706] ? do_raw_spin_lock+0xd0/0x240 [ 52.166034] red_change+0x6ee/0x1790 [ 52.170093] ? apparmor_capable+0x224/0x420 [ 52.174405] ? red_enqueue+0x1fd0/0x1fd0 [ 52.178632] ? nla_strcmp+0x9b/0xe0 [ 52.182250] tc_modify_qdisc+0xc2f/0x18f4 [ 52.186906] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 52.191422] ? qdisc_create+0xf60/0xf60 [ 52.195890] ? find_held_lock+0x36/0x1d0 [ 52.200214] rtnetlink_rcv_msg+0x34f/0x8f0 [ 52.204742] ? rtnetlink_put_metrics+0x490/0x490 [ 52.209509] ? find_held_lock+0x36/0x1d0 [ 52.213841] netlink_rcv_skb+0x13e/0x3d0 [ 52.218337] ? lock_downgrade+0x860/0x860 [ 52.222482] ? rtnetlink_put_metrics+0x490/0x490 [ 52.227328] ? netlink_ack+0xa50/0xa50 [ 52.231368] ? netlink_deliver_tap+0x182/0xb00 [ 52.236218] rtnetlink_rcv+0x10/0x20 [ 52.239938] netlink_unicast+0x445/0x640 [ 52.244097] ? netlink_attachskb+0x6d0/0x6d0 [ 52.248617] ? _copy_from_iter_full+0x182/0x720 [ 52.253864] ? __check_object_size+0x1ef/0x301 [ 52.258750] netlink_sendmsg+0x765/0xc50 [ 52.262972] ? netlink_unicast+0x640/0x640 [ 52.267502] ? apparmor_socket_sendmsg+0x1b/0x20 [ 52.272264] ? netlink_unicast+0x640/0x640 [ 52.276496] sock_sendmsg+0xb5/0xf0 [ 52.280309] ___sys_sendmsg+0x647/0x950 [ 52.284473] ? find_held_lock+0x36/0x1d0 [ 52.288586] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 52.293330] ? __fget+0x278/0x400 [ 52.296773] ? kasan_check_read+0x11/0x20 [ 52.300967] ? __fget+0x295/0x400 [ 52.304528] ? ksys_dup3+0x2e0/0x2e0 [ 52.308603] ? find_held_lock+0x36/0x1d0 [ 52.312708] ? __fget_light+0x174/0x1e0 [ 52.316866] ? lock_downgrade+0x860/0x860 [ 52.321008] ? __fdget+0xe/0x10 [ 52.324483] __sys_sendmsg+0xd9/0x180 [ 52.328274] ? __ia32_sys_shutdown+0x70/0x70 [ 52.332866] ? kasan_check_read+0x11/0x20 [ 52.337001] ? _copy_to_user+0x91/0xb0 [ 52.340977] ? put_timespec64+0xa9/0x100 [ 52.345039] ? nsecs_to_jiffies+0x20/0x20 [ 52.349263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.354742] __x64_sys_sendmsg+0x73/0xb0 [ 52.358788] do_syscall_64+0xd0/0x4e0 [ 52.362573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.367750] RIP: 0033:0x459ad9 [ 52.371108] 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 [ 52.390652] RSP: 002b:00007f419fb1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.398755] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 52.406108] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 52.413555] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 52.420838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f419fb206d4 [ 52.428550] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 53.102252] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 53.110854] in_atomic(): 1, irqs_disabled(): 0, pid: 6762, name: syz-executor.2 [ 53.118438] 2 locks held by syz-executor.2/6762: [ 53.123300] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 53.131762] #1: 000000009b8b9853 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 53.140400] Preemption disabled at: [ 53.140412] [] red_change+0x388/0x1790 [ 53.150280] CPU: 1 PID: 6762 Comm: syz-executor.2 Tainted: G W 4.19.164-syzkaller #0 [ 53.159551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.169259] Call Trace: [ 53.171839] dump_stack+0x123/0x177 [ 53.175665] ? red_change+0x388/0x1790 [ 53.179852] ___might_sleep.cold.88+0x1bb/0x1f4 [ 53.184540] __might_sleep+0x95/0x190 [ 53.188330] __flush_work+0xbd/0x7f0 [ 53.192041] ? save_stack+0x43/0xd0 [ 53.195755] ? __kasan_slab_free+0x102/0x150 [ 53.200245] ? kasan_slab_free+0xe/0x10 [ 53.204213] ? insert_work+0x350/0x350 [ 53.208474] ? mark_held_locks+0xc7/0x130 [ 53.212786] ? try_to_grab_pending+0xaf/0x5e0 [ 53.217593] ? __cancel_work_timer+0x14f/0x430 [ 53.222430] ? cancel_work_sync+0xb/0x10 [ 53.226500] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 53.231942] ? __cancel_work_timer+0x14f/0x430 [ 53.236614] ? trace_hardirqs_on+0x28/0x190 [ 53.241013] __cancel_work_timer+0x2f1/0x430 [ 53.245664] ? try_to_grab_pending+0x5e0/0x5e0 [ 53.250398] ? hrtimer_try_to_cancel+0x6c/0x510 [ 53.255103] ? hrtimer_run_softirq+0x250/0x250 [ 53.259768] ? mark_held_locks+0xc7/0x130 [ 53.264078] cancel_work_sync+0xb/0x10 [ 53.268152] htb_destroy+0x20/0x4c0 [ 53.271856] ? htb_reset+0x2cd/0x4c0 [ 53.275797] qdisc_destroy+0x134/0x6d0 [ 53.279694] ? do_raw_spin_lock+0xd0/0x240 [ 53.284052] red_change+0x6ee/0x1790 [ 53.287812] ? apparmor_capable+0x224/0x420 [ 53.292223] ? red_enqueue+0x1fd0/0x1fd0 [ 53.296753] ? nla_strcmp+0x9b/0xe0 [ 53.300398] tc_modify_qdisc+0xc2f/0x18f4 [ 53.305062] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 53.309498] ? qdisc_create+0xf60/0xf60 [ 53.313501] ? find_held_lock+0x36/0x1d0 [ 53.317832] rtnetlink_rcv_msg+0x34f/0x8f0 [ 53.322060] ? rtnetlink_put_metrics+0x490/0x490 [ 53.327104] ? find_held_lock+0x36/0x1d0 [ 53.331377] netlink_rcv_skb+0x13e/0x3d0 [ 53.335526] ? lock_downgrade+0x860/0x860 [ 53.339922] ? rtnetlink_put_metrics+0x490/0x490 [ 53.344819] ? netlink_ack+0xa50/0xa50 [ 53.348996] ? netlink_deliver_tap+0x182/0xb00 [ 53.353788] rtnetlink_rcv+0x10/0x20 [ 53.357508] netlink_unicast+0x445/0x640 [ 53.361598] ? netlink_attachskb+0x6d0/0x6d0 [ 53.365991] ? _copy_from_iter_full+0x182/0x720 [ 53.370826] ? __check_object_size+0x1ef/0x301 [ 53.375398] netlink_sendmsg+0x765/0xc50 [ 53.379679] ? netlink_unicast+0x640/0x640 [ 53.383926] ? apparmor_socket_sendmsg+0x1b/0x20 [ 53.388684] ? netlink_unicast+0x640/0x640 [ 53.392935] sock_sendmsg+0xb5/0xf0 [ 53.396571] ___sys_sendmsg+0x647/0x950 [ 53.400812] ? find_held_lock+0x36/0x1d0 [ 53.404951] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 53.410075] ? __fget+0x278/0x400 [ 53.413620] ? kasan_check_read+0x11/0x20 [ 53.417764] ? __fget+0x295/0x400 [ 53.421300] ? ksys_dup3+0x2e0/0x2e0 [ 53.425082] ? find_held_lock+0x36/0x1d0 [ 53.429310] ? __fget_light+0x174/0x1e0 [ 53.433698] ? lock_downgrade+0x860/0x860 [ 53.437847] ? __fdget+0xe/0x10 [ 53.441385] __sys_sendmsg+0xd9/0x180 [ 53.445278] ? __ia32_sys_shutdown+0x70/0x70 [ 53.449677] ? kasan_check_read+0x11/0x20 [ 53.453808] ? _copy_to_user+0x91/0xb0 [ 53.457688] ? put_timespec64+0xa9/0x100 [ 53.461738] ? nsecs_to_jiffies+0x20/0x20 [ 53.466005] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.471531] __x64_sys_sendmsg+0x73/0xb0 [ 53.475673] do_syscall_64+0xd0/0x4e0 [ 53.479569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.484935] RIP: 0033:0x459ad9 [ 53.488202] 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 [ 53.507471] RSP: 002b:00007f419fb1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.515267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 53.522534] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 53.530075] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 53.537689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f419fb206d4 [ 53.545742] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 54.151797] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 54.160319] in_atomic(): 1, irqs_disabled(): 0, pid: 6797, name: syz-executor.4 [ 54.167919] 2 locks held by syz-executor.4/6797: [ 54.173028] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 54.181953] #1: 00000000142c39bd (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 54.190703] Preemption disabled at: [ 54.190714] [] red_change+0x388/0x1790 [ 54.200528] CPU: 0 PID: 6797 Comm: syz-executor.4 Tainted: G W 4.19.164-syzkaller #0 [ 54.210044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.219837] Call Trace: [ 54.222432] dump_stack+0x123/0x177 [ 54.226222] ? red_change+0x388/0x1790 [ 54.230466] ___might_sleep.cold.88+0x1bb/0x1f4 [ 54.235349] __might_sleep+0x95/0x190 [ 54.239238] __flush_work+0xbd/0x7f0 [ 54.242936] ? save_stack+0x43/0xd0 [ 54.246575] ? __kasan_slab_free+0x102/0x150 [ 54.251067] ? kasan_slab_free+0xe/0x10 [ 54.255207] ? insert_work+0x350/0x350 [ 54.259385] ? mark_held_locks+0xc7/0x130 [ 54.264010] ? try_to_grab_pending+0xaf/0x5e0 [ 54.268869] ? __cancel_work_timer+0x14f/0x430 [ 54.273723] ? cancel_work_sync+0xb/0x10 [ 54.278082] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 54.282744] ? __cancel_work_timer+0x14f/0x430 [ 54.287431] ? trace_hardirqs_on+0x28/0x190 [ 54.292267] __cancel_work_timer+0x2f1/0x430 [ 54.297028] ? try_to_grab_pending+0x5e0/0x5e0 [ 54.302017] ? hrtimer_try_to_cancel+0x6c/0x510 [ 54.306836] ? hrtimer_run_softirq+0x250/0x250 [ 54.311412] ? mark_held_locks+0xc7/0x130 [ 54.315710] cancel_work_sync+0xb/0x10 [ 54.319683] htb_destroy+0x20/0x4c0 [ 54.323314] ? htb_reset+0x2cd/0x4c0 [ 54.327507] qdisc_destroy+0x134/0x6d0 [ 54.331386] ? do_raw_spin_lock+0xd0/0x240 [ 54.335623] red_change+0x6ee/0x1790 [ 54.339459] ? apparmor_capable+0x224/0x420 [ 54.343904] ? red_enqueue+0x1fd0/0x1fd0 [ 54.348156] ? nla_strcmp+0x9b/0xe0 [ 54.351892] tc_modify_qdisc+0xc2f/0x18f4 [ 54.356138] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 54.360597] ? qdisc_create+0xf60/0xf60 [ 54.364599] ? find_held_lock+0x36/0x1d0 [ 54.368850] rtnetlink_rcv_msg+0x34f/0x8f0 [ 54.373077] ? rtnetlink_put_metrics+0x490/0x490 [ 54.377914] ? find_held_lock+0x36/0x1d0 [ 54.382103] netlink_rcv_skb+0x13e/0x3d0 [ 54.386419] ? lock_downgrade+0x860/0x860 [ 54.390555] ? rtnetlink_put_metrics+0x490/0x490 [ 54.395317] ? netlink_ack+0xa50/0xa50 [ 54.399285] ? netlink_deliver_tap+0x182/0xb00 [ 54.404026] rtnetlink_rcv+0x10/0x20 [ 54.407734] netlink_unicast+0x445/0x640 [ 54.412062] ? netlink_attachskb+0x6d0/0x6d0 [ 54.416552] ? _copy_from_iter_full+0x182/0x720 [ 54.421589] ? __check_object_size+0x1ef/0x301 [ 54.426264] netlink_sendmsg+0x765/0xc50 [ 54.430466] ? netlink_unicast+0x640/0x640 [ 54.434824] ? apparmor_socket_sendmsg+0x1b/0x20 [ 54.439661] ? netlink_unicast+0x640/0x640 [ 54.443969] sock_sendmsg+0xb5/0xf0 [ 54.447768] ___sys_sendmsg+0x647/0x950 [ 54.451824] ? find_held_lock+0x36/0x1d0 [ 54.455889] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 54.460909] ? __fget+0x278/0x400 [ 54.464356] ? kasan_check_read+0x11/0x20 [ 54.468579] ? __fget+0x295/0x400 [ 54.472019] ? ksys_dup3+0x2e0/0x2e0 [ 54.475726] ? find_held_lock+0x36/0x1d0 [ 54.479781] ? __fget_light+0x174/0x1e0 [ 54.484004] ? lock_downgrade+0x860/0x860 [ 54.488138] ? __fdget+0xe/0x10 [ 54.491402] __sys_sendmsg+0xd9/0x180 [ 54.495285] ? __ia32_sys_shutdown+0x70/0x70 [ 54.499680] ? kasan_check_read+0x11/0x20 [ 54.503907] ? _copy_to_user+0x91/0xb0 [ 54.507909] ? put_timespec64+0xa9/0x100 [ 54.512154] ? nsecs_to_jiffies+0x20/0x20 [ 54.516321] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.522812] __x64_sys_sendmsg+0x73/0xb0 [ 54.527583] do_syscall_64+0xd0/0x4e0 [ 54.531574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.537161] RIP: 0033:0x459ad9 [ 54.540343] 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 [ 54.559622] RSP: 002b:00007efce8d9bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 54.567915] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 54.575286] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 54.582722] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 54.590170] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efce8d9c6d4 [ 54.597513] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 55.172893] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 55.181941] in_atomic(): 1, irqs_disabled(): 0, pid: 6812, name: syz-executor.2 [ 55.189448] 2 locks held by syz-executor.2/6812: [ 55.194194] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 55.202712] #1: 00000000a886d9bc (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 55.211039] Preemption disabled at: [ 55.211050] [] red_change+0x388/0x1790 [ 55.220936] CPU: 1 PID: 6812 Comm: syz-executor.2 Tainted: G W 4.19.164-syzkaller #0 [ 55.231185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.241040] Call Trace: [ 55.243726] dump_stack+0x123/0x177 [ 55.247438] ? red_change+0x388/0x1790 [ 55.251320] ___might_sleep.cold.88+0x1bb/0x1f4 [ 55.256179] __might_sleep+0x95/0x190 [ 55.260074] __flush_work+0xbd/0x7f0 [ 55.263908] ? save_stack+0x43/0xd0 [ 55.267802] ? __kasan_slab_free+0x102/0x150 [ 55.272304] ? kasan_slab_free+0xe/0x10 [ 55.276487] ? insert_work+0x350/0x350 [ 55.280477] ? mark_held_locks+0xc7/0x130 [ 55.284642] ? try_to_grab_pending+0xaf/0x5e0 [ 55.289136] ? __cancel_work_timer+0x14f/0x430 [ 55.293951] ? cancel_work_sync+0xb/0x10 [ 55.298282] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 55.302963] ? __cancel_work_timer+0x14f/0x430 [ 55.307643] ? trace_hardirqs_on+0x28/0x190 [ 55.312051] __cancel_work_timer+0x2f1/0x430 [ 55.316550] ? try_to_grab_pending+0x5e0/0x5e0 [ 55.321231] ? hrtimer_try_to_cancel+0x6c/0x510 [ 55.326113] ? hrtimer_run_softirq+0x250/0x250 [ 55.330684] ? mark_held_locks+0xc7/0x130 [ 55.335245] cancel_work_sync+0xb/0x10 [ 55.339228] htb_destroy+0x20/0x4c0 [ 55.342844] ? htb_reset+0x2cd/0x4c0 [ 55.346745] qdisc_destroy+0x134/0x6d0 [ 55.350630] ? do_raw_spin_lock+0xd0/0x240 [ 55.354897] red_change+0x6ee/0x1790 [ 55.358732] ? apparmor_capable+0x224/0x420 [ 55.363486] ? red_enqueue+0x1fd0/0x1fd0 [ 55.367988] ? nla_strcmp+0x9b/0xe0 [ 55.371628] tc_modify_qdisc+0xc2f/0x18f4 [ 55.375836] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 55.380238] ? qdisc_create+0xf60/0xf60 [ 55.384315] ? find_held_lock+0x36/0x1d0 [ 55.388388] rtnetlink_rcv_msg+0x34f/0x8f0 [ 55.392700] ? rtnetlink_put_metrics+0x490/0x490 [ 55.397834] ? find_held_lock+0x36/0x1d0 [ 55.402177] netlink_rcv_skb+0x13e/0x3d0 [ 55.406227] ? lock_downgrade+0x860/0x860 [ 55.410511] ? rtnetlink_put_metrics+0x490/0x490 [ 55.415257] ? netlink_ack+0xa50/0xa50 [ 55.419248] ? netlink_deliver_tap+0x182/0xb00 [ 55.423816] rtnetlink_rcv+0x10/0x20 [ 55.427807] netlink_unicast+0x445/0x640 [ 55.431983] ? netlink_attachskb+0x6d0/0x6d0 [ 55.436667] ? _copy_from_iter_full+0x182/0x720 [ 55.441345] ? __check_object_size+0x1ef/0x301 [ 55.446006] netlink_sendmsg+0x765/0xc50 [ 55.450140] ? netlink_unicast+0x640/0x640 [ 55.454455] ? apparmor_socket_sendmsg+0x1b/0x20 [ 55.459350] ? netlink_unicast+0x640/0x640 [ 55.463573] sock_sendmsg+0xb5/0xf0 [ 55.467371] ___sys_sendmsg+0x647/0x950 [ 55.471670] ? find_held_lock+0x36/0x1d0 [ 55.475724] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 55.480821] ? __fget+0x278/0x400 [ 55.484527] ? kasan_check_read+0x11/0x20 [ 55.489165] ? __fget+0x295/0x400 [ 55.492839] ? ksys_dup3+0x2e0/0x2e0 [ 55.496544] ? find_held_lock+0x36/0x1d0 [ 55.500759] ? __fget_light+0x174/0x1e0 [ 55.505077] ? lock_downgrade+0x860/0x860 [ 55.509215] ? __fdget+0xe/0x10 [ 55.512489] __sys_sendmsg+0xd9/0x180 [ 55.516513] ? __ia32_sys_shutdown+0x70/0x70 [ 55.520907] ? kasan_check_read+0x11/0x20 [ 55.525061] ? _copy_to_user+0x91/0xb0 [ 55.529123] ? put_timespec64+0xa9/0x100 [ 55.533167] ? nsecs_to_jiffies+0x20/0x20 [ 55.537685] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.543224] __x64_sys_sendmsg+0x73/0xb0 [ 55.547518] do_syscall_64+0xd0/0x4e0 [ 55.551731] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.557427] RIP: 0033:0x459ad9 2021/01/06 08:34:02 executed programs: 44 [ 55.561038] 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 [ 55.580569] RSP: 002b:00007f419fb1fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.588352] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 55.595731] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 55.603183] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 55.610528] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f419fb206d4 [ 55.617990] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 56.421778] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 56.430395] in_atomic(): 1, irqs_disabled(): 0, pid: 6832, name: syz-executor.5 [ 56.438402] 2 locks held by syz-executor.5/6832: [ 56.443295] #0: 00000000575586bd (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 56.451745] #1: 00000000090fcd69 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 56.459784] Preemption disabled at: [ 56.459794] [] red_change+0x388/0x1790 [ 56.469248] CPU: 0 PID: 6832 Comm: syz-executor.5 Tainted: G W 4.19.164-syzkaller #0 [ 56.478518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.488074] Call Trace: [ 56.490786] dump_stack+0x123/0x177 [ 56.494498] ? red_change+0x388/0x1790 [ 56.498528] ___might_sleep.cold.88+0x1bb/0x1f4 [ 56.503308] __might_sleep+0x95/0x190 [ 56.507422] __flush_work+0xbd/0x7f0 [ 56.511236] ? save_stack+0x43/0xd0 [ 56.514944] ? __kasan_slab_free+0x102/0x150