[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 37.129485] audit: type=1400 audit(1602140760.081:8): avc: denied { execmem } for pid=6242 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 37.142860] IPVS: ftp: loaded support on port[0] = 21 [ 37.519538] can: request_module (can-proto-0) failed. [ 38.117652] can: request_module (can-proto-0) failed. [ 38.143214] audit: type=1400 audit(1602140761.091:9): avc: denied { create } for pid=6221 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 '10.128.10.16' (ECDSA) to the list of known hosts. 2020/10/08 07:06:08 parsed 1 programs 2020/10/08 07:06:08 executed programs: 0 [ 45.833617] audit: type=1400 audit(1602140768.794:10): avc: denied { execmem } for pid=6360 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 45.938973] IPVS: ftp: loaded support on port[0] = 21 [ 45.959386] IPVS: ftp: loaded support on port[0] = 21 [ 45.991428] IPVS: ftp: loaded support on port[0] = 21 [ 45.992845] IPVS: ftp: loaded support on port[0] = 21 [ 45.999291] IPVS: ftp: loaded support on port[0] = 21 [ 46.002279] IPVS: ftp: loaded support on port[0] = 21 [ 46.197769] chnl_net:caif_netlink_parms(): no params data found [ 46.294271] chnl_net:caif_netlink_parms(): no params data found [ 46.308418] chnl_net:caif_netlink_parms(): no params data found [ 46.380742] chnl_net:caif_netlink_parms(): no params data found [ 46.407642] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.415539] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.424558] device bridge_slave_0 entered promiscuous mode [ 46.433861] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.440209] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.448215] device bridge_slave_1 entered promiscuous mode [ 46.579907] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.588354] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.596211] device bridge_slave_0 entered promiscuous mode [ 46.605432] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.613500] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.619860] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.629509] device bridge_slave_0 entered promiscuous mode [ 46.640590] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.647057] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.654275] device bridge_slave_1 entered promiscuous mode [ 46.666822] chnl_net:caif_netlink_parms(): no params data found [ 46.676855] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.684059] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.690826] device bridge_slave_1 entered promiscuous mode [ 46.698374] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.711984] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.718329] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.725926] device bridge_slave_0 entered promiscuous mode [ 46.733272] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.739608] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.747251] device bridge_slave_1 entered promiscuous mode [ 46.753836] chnl_net:caif_netlink_parms(): no params data found [ 46.776411] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.820117] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.829873] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.839450] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.847538] team0: Port device team_slave_0 added [ 46.857133] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.871127] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.886613] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.898382] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.906129] team0: Port device team_slave_1 added [ 46.939702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.951702] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.958940] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.966728] team0: Port device team_slave_0 added [ 46.972453] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.979759] team0: Port device team_slave_0 added [ 46.990668] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.998349] team0: Port device team_slave_1 added [ 47.007989] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.015079] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.022239] device bridge_slave_0 entered promiscuous mode [ 47.033827] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.042280] team0: Port device team_slave_1 added [ 47.047527] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.056035] team0: Port device team_slave_0 added [ 47.061307] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.068471] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.076276] team0: Port device team_slave_1 added [ 47.081581] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.087912] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.095325] device bridge_slave_0 entered promiscuous mode [ 47.102189] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.108528] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.115982] device bridge_slave_1 entered promiscuous mode [ 47.134063] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.141268] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.148408] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.155906] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.162457] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.169293] device bridge_slave_1 entered promiscuous mode [ 47.192889] device hsr_slave_0 entered promiscuous mode [ 47.198481] device hsr_slave_1 entered promiscuous mode [ 47.204816] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.217300] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.226758] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.236448] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.251033] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.270217] device hsr_slave_0 entered promiscuous mode [ 47.275887] device hsr_slave_1 entered promiscuous mode [ 47.287942] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.296982] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.304931] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.317289] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.340971] device hsr_slave_0 entered promiscuous mode [ 47.346974] device hsr_slave_1 entered promiscuous mode [ 47.353177] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.360309] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.370292] device hsr_slave_0 entered promiscuous mode [ 47.376587] device hsr_slave_1 entered promiscuous mode [ 47.393342] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.400381] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.407977] team0: Port device team_slave_0 added [ 47.422978] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.429480] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.436954] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.445475] team0: Port device team_slave_0 added [ 47.450886] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.458758] team0: Port device team_slave_1 added [ 47.465217] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.473126] team0: Port device team_slave_1 added [ 47.478591] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.487893] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.496582] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.503965] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.517767] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.531736] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.541946] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.567024] device hsr_slave_0 entered promiscuous mode [ 47.572834] device hsr_slave_1 entered promiscuous mode [ 47.579336] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.590853] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.614654] device hsr_slave_0 entered promiscuous mode [ 47.620208] device hsr_slave_1 entered promiscuous mode [ 47.627007] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.640978] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.648319] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.679256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.700365] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.713733] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.722170] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.738711] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.747835] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.754006] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.763835] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.775902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.783756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.790493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.798558] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.806322] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.812775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.819784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.831686] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.840168] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.852188] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.862093] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.870020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.878988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.886756] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.893134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.900715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.907763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.917131] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.943902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.960731] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.967503] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.975749] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.989512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.000377] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.008286] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.015597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.026505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.034948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.043413] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.049767] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.058825] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.072679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.081884] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.088033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.096355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.104504] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.113939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.121626] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.129667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.138885] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.146535] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.156642] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.164010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.171868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.179253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.187051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.194886] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.201262] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.209274] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.218638] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.227395] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.234018] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.242553] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.250732] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.257450] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.267305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.275766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.282862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.289633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.296721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.304884] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.312476] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.319620] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.328421] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.338744] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.347547] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.355225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.362626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.369408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.376884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.384202] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.392331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.399962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.407827] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.414236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.421704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.429139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.436786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.444551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.452380] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.458703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.467712] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.475104] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.484415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.494767] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.502662] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.508652] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.518001] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.526680] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.533277] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.539376] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.546870] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.554272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.562446] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.570165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.580858] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.587244] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.594359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.602252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.609713] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.616102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.624932] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.635424] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.645754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.655515] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.663901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.672312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.679803] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.686205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.693208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.700823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.708723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.716474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.724626] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.731012] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.738767] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.748432] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.759034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.769725] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.778755] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.786831] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.794714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.802461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.809995] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.817589] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.825682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.833510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.841222] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.848905] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.857568] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.866854] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.875412] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.883153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.890637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.898858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.906818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.914719] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.921101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.929999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.937966] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.946179] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.955504] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.964064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.973831] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.982415] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.989389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.997717] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.005764] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.012155] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.018891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.026739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.034276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.042179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.049465] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.057413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.066755] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.075544] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.082284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.093699] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.101182] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.108829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.116393] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.133012] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.143941] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.151200] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.159644] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.169364] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.179570] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.187439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.195011] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.202882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.210213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.218232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.225823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.235504] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.244272] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.250275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.260454] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.272092] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.279480] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.287494] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.300194] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.307653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.315802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.324648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.334147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.341587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.349001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.356876] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.364043] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.376574] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.386429] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.403412] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.438691] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.445956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.455046] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.464901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.472976] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.481598] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.490554] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.498743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.512254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.519989] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.532748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.540102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.549285] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.556257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.565994] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.576393] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 49.585064] in_atomic(): 1, irqs_disabled(): 0, pid: 7260, name: syz-executor.4 [ 49.592549] 2 locks held by syz-executor.4/7260: [ 49.597296] #0: 00000000a6a487ad (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 49.605497] #1: 00000000a5336a94 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 49.613528] Preemption disabled at: [ 49.613536] [] red_change+0x388/0x1790 [ 49.622655] CPU: 0 PID: 7260 Comm: syz-executor.4 Not tainted 4.19.150-syzkaller #0 [ 49.630437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.639795] Call Trace: [ 49.642376] dump_stack+0x123/0x177 [ 49.645993] ? red_change+0x388/0x1790 [ 49.649884] ___might_sleep.cold.88+0x1bb/0x1f4 [ 49.654550] __might_sleep+0x95/0x190 [ 49.658348] __flush_work+0xbd/0x7f0 [ 49.662044] ? save_stack+0x43/0xd0 [ 49.665650] ? __kasan_slab_free+0x102/0x150 [ 49.670036] ? kasan_slab_free+0xe/0x10 [ 49.673991] ? insert_work+0x350/0x350 [ 49.677871] ? mark_held_locks+0xc7/0x130 [ 49.681999] ? try_to_grab_pending+0xaf/0x5e0 [ 49.686494] ? __cancel_work_timer+0x14f/0x430 [ 49.691056] ? cancel_work_sync+0xb/0x10 [ 49.695105] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 49.699661] ? __cancel_work_timer+0x14f/0x430 [ 49.704217] ? trace_hardirqs_on+0x28/0x190 [ 49.708516] __cancel_work_timer+0x2f1/0x430 [ 49.712914] ? try_to_grab_pending+0x5e0/0x5e0 [ 49.717484] ? hrtimer_try_to_cancel+0x6c/0x510 [ 49.722151] ? hrtimer_run_softirq+0x250/0x250 [ 49.726726] ? mark_held_locks+0xc7/0x130 [ 49.730868] cancel_work_sync+0xb/0x10 [ 49.734737] htb_destroy+0x20/0x4c0 [ 49.738341] ? htb_reset+0x2cd/0x4c0 [ 49.742050] qdisc_destroy+0x134/0x6d0 [ 49.745929] ? do_raw_spin_lock+0xd0/0x240 [ 49.750140] red_change+0x6ee/0x1790 [ 49.753832] ? red_enqueue+0x1fd0/0x1fd0 [ 49.757882] ? nla_strcmp+0x9b/0xe0 [ 49.761508] tc_modify_qdisc+0xc2f/0x18f4 [ 49.765651] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 49.770043] ? qdisc_create+0xf60/0xf60 [ 49.773998] ? find_held_lock+0x36/0x1d0 [ 49.778055] rtnetlink_rcv_msg+0x34f/0x8f0 [ 49.782273] ? rtnetlink_put_metrics+0x490/0x490 [ 49.787010] ? find_held_lock+0x36/0x1d0 [ 49.791061] netlink_rcv_skb+0x13e/0x3d0 [ 49.795201] ? lock_downgrade+0x860/0x860 [ 49.799322] ? rtnetlink_put_metrics+0x490/0x490 [ 49.804073] ? netlink_ack+0xa50/0xa50 [ 49.807936] ? netlink_deliver_tap+0x182/0xb00 [ 49.812505] rtnetlink_rcv+0x10/0x20 [ 49.816200] netlink_unicast+0x445/0x640 [ 49.820236] ? netlink_attachskb+0x6d0/0x6d0 [ 49.824634] ? _copy_from_iter_full+0x182/0x720 [ 49.829278] netlink_sendmsg+0x765/0xc50 [ 49.833325] ? netlink_unicast+0x640/0x640 [ 49.837558] ? copy_msghdr_from_user+0x20b/0x3e0 [ 49.842301] ? selinux_socket_sendmsg+0x31/0x40 [ 49.846954] ? netlink_unicast+0x640/0x640 [ 49.851178] sock_sendmsg+0xb5/0xf0 [ 49.854788] ___sys_sendmsg+0x647/0x950 [ 49.858736] ? find_held_lock+0x36/0x1d0 [ 49.862781] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 49.867520] ? __fget+0x278/0x400 [ 49.870959] ? kasan_check_read+0x11/0x20 [ 49.875092] ? __fget+0x295/0x400 [ 49.878534] ? ksys_dup3+0x2e0/0x2e0 [ 49.882229] ? find_held_lock+0x36/0x1d0 [ 49.886286] ? __fget_light+0x174/0x1e0 [ 49.890243] ? lock_downgrade+0x860/0x860 [ 49.894367] ? __fdget+0xe/0x10 [ 49.897624] __sys_sendmsg+0xd9/0x180 [ 49.901407] ? __ia32_sys_shutdown+0x70/0x70 [ 49.905802] ? kasan_check_read+0x11/0x20 [ 49.909933] ? _copy_to_user+0x91/0xb0 [ 49.913800] ? put_timespec64+0xa9/0x100 [ 49.917839] ? nsecs_to_jiffies+0x20/0x20 [ 49.921994] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.927341] __x64_sys_sendmsg+0x73/0xb0 [ 49.931387] do_syscall_64+0xd0/0x4e0 [ 49.935175] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.940343] RIP: 0033:0x459ad9 [ 49.943543] 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 [ 49.962437] RSP: 002b:00007f3f91c5dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.970134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 49.977380] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 49.984625] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 49.991873] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f91c5e6d4 [ 49.999127] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 50.016144] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 50.039200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.063440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.074619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.085155] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.096779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 50.110244] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 50.119333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.134208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.142167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.151877] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 50.157901] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.218287] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 50.234115] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 50.242356] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 50.271391] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.287265] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.313301] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.590449] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 50.598867] in_atomic(): 1, irqs_disabled(): 0, pid: 7358, name: syz-executor.5 [ 50.606375] 2 locks held by syz-executor.5/7358: [ 50.611186] #0: 00000000a6a487ad (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 50.619332] #1: 000000002b1685c4 (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 50.627358] Preemption disabled at: [ 50.627364] [] red_change+0x388/0x1790 [ 50.636538] CPU: 1 PID: 7358 Comm: syz-executor.5 Tainted: G W 4.19.150-syzkaller #0 [ 50.645724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.655067] Call Trace: [ 50.657653] dump_stack+0x123/0x177 [ 50.661273] ? red_change+0x388/0x1790 [ 50.665156] ___might_sleep.cold.88+0x1bb/0x1f4 [ 50.669821] __might_sleep+0x95/0x190 [ 50.673620] __flush_work+0xbd/0x7f0 [ 50.677328] ? save_stack+0x43/0xd0 [ 50.680946] ? __kasan_slab_free+0x102/0x150 [ 50.685343] ? kasan_slab_free+0xe/0x10 [ 50.689309] ? insert_work+0x350/0x350 [ 50.693190] ? mark_held_locks+0xc7/0x130 [ 50.697328] ? try_to_grab_pending+0xaf/0x5e0 [ 50.701813] ? __cancel_work_timer+0x14f/0x430 [ 50.706394] ? cancel_work_sync+0xb/0x10 [ 50.710453] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 50.715037] ? __cancel_work_timer+0x14f/0x430 [ 50.719611] ? trace_hardirqs_on+0x28/0x190 [ 50.723946] __cancel_work_timer+0x2f1/0x430 [ 50.728354] ? try_to_grab_pending+0x5e0/0x5e0 [ 50.732944] ? hrtimer_try_to_cancel+0x6c/0x510 [ 50.737632] ? hrtimer_run_softirq+0x250/0x250 [ 50.742194] ? mark_held_locks+0xc7/0x130 [ 50.746335] cancel_work_sync+0xb/0x10 [ 50.750201] htb_destroy+0x20/0x4c0 [ 50.753804] ? htb_reset+0x2cd/0x4c0 [ 50.757542] qdisc_destroy+0x134/0x6d0 [ 50.761412] ? do_raw_spin_lock+0xd0/0x240 [ 50.765633] red_change+0x6ee/0x1790 [ 50.769331] ? red_enqueue+0x1fd0/0x1fd0 [ 50.773377] ? nla_strcmp+0x9b/0xe0 [ 50.776980] tc_modify_qdisc+0xc2f/0x18f4 [ 50.781105] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 50.785488] ? qdisc_create+0xf60/0xf60 [ 50.789525] ? find_held_lock+0x36/0x1d0 [ 50.793585] rtnetlink_rcv_msg+0x34f/0x8f0 [ 50.797796] ? rtnetlink_put_metrics+0x490/0x490 [ 50.802534] ? find_held_lock+0x36/0x1d0 [ 50.806605] netlink_rcv_skb+0x13e/0x3d0 [ 50.810667] ? lock_downgrade+0x860/0x860 [ 50.814797] ? rtnetlink_put_metrics+0x490/0x490 [ 50.819533] ? netlink_ack+0xa50/0xa50 [ 50.823401] ? netlink_deliver_tap+0x182/0xb00 [ 50.827959] rtnetlink_rcv+0x10/0x20 [ 50.831650] netlink_unicast+0x445/0x640 [ 50.835693] ? netlink_attachskb+0x6d0/0x6d0 [ 50.840092] ? _copy_from_iter_full+0x182/0x720 [ 50.844739] netlink_sendmsg+0x765/0xc50 [ 50.848776] ? netlink_unicast+0x640/0x640 [ 50.852991] ? copy_msghdr_from_user+0x20b/0x3e0 [ 50.857747] ? selinux_socket_sendmsg+0x31/0x40 [ 50.862391] ? netlink_unicast+0x640/0x640 [ 50.866606] sock_sendmsg+0xb5/0xf0 [ 50.870223] ___sys_sendmsg+0x647/0x950 [ 50.874190] ? find_held_lock+0x36/0x1d0 [ 50.878233] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 50.882962] ? __fget+0x278/0x400 [ 50.886413] ? kasan_check_read+0x11/0x20 [ 50.890545] ? __fget+0x295/0x400 [ 50.893973] ? ksys_dup3+0x2e0/0x2e0 [ 50.897667] ? find_held_lock+0x36/0x1d0 [ 50.901800] ? __fget_light+0x174/0x1e0 [ 50.905748] ? lock_downgrade+0x860/0x860 [ 50.909872] ? __fdget+0xe/0x10 [ 50.913147] __sys_sendmsg+0xd9/0x180 [ 50.916931] ? __ia32_sys_shutdown+0x70/0x70 [ 50.921328] ? kasan_check_read+0x11/0x20 [ 50.925450] ? _copy_to_user+0x91/0xb0 [ 50.929340] ? put_timespec64+0xa9/0x100 [ 50.933388] ? nsecs_to_jiffies+0x20/0x20 [ 50.937539] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.943447] __x64_sys_sendmsg+0x73/0xb0 [ 50.947521] do_syscall_64+0xd0/0x4e0 [ 50.951314] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.956498] RIP: 0033:0x459ad9 [ 50.959668] 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 [ 50.978560] RSP: 002b:00007f922ebccc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2020/10/08 07:06:14 executed programs: 27 [ 50.986244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 50.993515] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 51.000771] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 51.008035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f922ebcd6d4 [ 51.015281] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff [ 51.603375] BUG: sleeping function called from invalid context at kernel/workqueue.c:2864 [ 51.611797] in_atomic(): 1, irqs_disabled(): 0, pid: 7525, name: syz-executor.3 [ 51.619249] 2 locks held by syz-executor.3/7525: [ 51.624102] #0: 00000000a6a487ad (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x301/0x8f0 [ 51.632783] #1: 000000009a37d06a (&qdisc_rx_lock){+...}, at: red_change+0x388/0x1790 [ 51.640821] Preemption disabled at: [ 51.640831] [] red_change+0x388/0x1790 [ 51.649927] CPU: 1 PID: 7525 Comm: syz-executor.3 Tainted: G W 4.19.150-syzkaller #0 [ 51.659102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.668450] Call Trace: [ 51.671031] dump_stack+0x123/0x177 [ 51.674652] ? red_change+0x388/0x1790 [ 51.678564] ___might_sleep.cold.88+0x1bb/0x1f4 [ 51.683228] __might_sleep+0x95/0x190 [ 51.687022] __flush_work+0xbd/0x7f0 [ 51.690727] ? save_stack+0x43/0xd0 [ 51.694357] ? __kasan_slab_free+0x102/0x150 [ 51.698757] ? kasan_slab_free+0xe/0x10 [ 51.702725] ? insert_work+0x350/0x350 [ 51.706609] ? mark_held_locks+0xc7/0x130 [ 51.710754] ? try_to_grab_pending+0xaf/0x5e0 [ 51.715251] ? __cancel_work_timer+0x14f/0x430 [ 51.719824] ? cancel_work_sync+0xb/0x10 [ 51.723877] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 51.728455] ? __cancel_work_timer+0x14f/0x430 [ 51.733034] ? trace_hardirqs_on+0x28/0x190 [ 51.737350] __cancel_work_timer+0x2f1/0x430 [ 51.741752] ? try_to_grab_pending+0x5e0/0x5e0 [ 51.746325] ? hrtimer_try_to_cancel+0x6c/0x510 [ 51.751007] ? hrtimer_run_softirq+0x250/0x250 [ 51.755581] ? mark_held_locks+0xc7/0x130 [ 51.759727] cancel_work_sync+0xb/0x10 [ 51.763607] htb_destroy+0x20/0x4c0 [ 51.767231] ? htb_reset+0x2cd/0x4c0 [ 51.770939] qdisc_destroy+0x134/0x6d0 [ 51.774817] ? do_raw_spin_lock+0xd0/0x240 [ 51.779052] red_change+0x6ee/0x1790 [ 51.782763] ? red_enqueue+0x1fd0/0x1fd0 [ 51.786820] ? nla_strcmp+0x9b/0xe0 [ 51.790450] tc_modify_qdisc+0xc2f/0x18f4 [ 51.794597] ? rtnetlink_rcv_msg+0x301/0x8f0 [ 51.799001] ? qdisc_create+0xf60/0xf60 [ 51.802967] ? find_held_lock+0x36/0x1d0 [ 51.807058] rtnetlink_rcv_msg+0x34f/0x8f0 [ 51.811293] ? rtnetlink_put_metrics+0x490/0x490 [ 51.816041] ? find_held_lock+0x36/0x1d0 [ 51.820105] netlink_rcv_skb+0x13e/0x3d0 [ 51.824156] ? lock_downgrade+0x860/0x860 [ 51.828294] ? rtnetlink_put_metrics+0x490/0x490 [ 51.833039] ? netlink_ack+0xa50/0xa50 [ 51.836919] ? netlink_deliver_tap+0x182/0xb00 [ 51.841495] rtnetlink_rcv+0x10/0x20 [ 51.845228] netlink_unicast+0x445/0x640 [ 51.849285] ? netlink_attachskb+0x6d0/0x6d0 [ 51.853684] ? _copy_from_iter_full+0x182/0x720 [ 51.858347] netlink_sendmsg+0x765/0xc50 [ 51.862402] ? netlink_unicast+0x640/0x640 [ 51.866626] ? copy_msghdr_from_user+0x20b/0x3e0 [ 51.871379] ? selinux_socket_sendmsg+0x31/0x40 [ 51.876043] ? netlink_unicast+0x640/0x640 [ 51.880269] sock_sendmsg+0xb5/0xf0 [ 51.883972] ___sys_sendmsg+0x647/0x950 [ 51.887963] ? find_held_lock+0x36/0x1d0 [ 51.892015] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 51.896770] ? __fget+0x278/0x400 [ 51.900221] ? kasan_check_read+0x11/0x20 [ 51.904366] ? __fget+0x295/0x400 [ 51.907815] ? ksys_dup3+0x2e0/0x2e0 [ 51.911520] ? find_held_lock+0x36/0x1d0 [ 51.915577] ? __fget_light+0x174/0x1e0 [ 51.919540] ? lock_downgrade+0x860/0x860 [ 51.923683] ? __fdget+0xe/0x10 [ 51.926961] __sys_sendmsg+0xd9/0x180 [ 51.930757] ? __ia32_sys_shutdown+0x70/0x70 [ 51.935162] ? kasan_check_read+0x11/0x20 [ 51.939301] ? _copy_to_user+0x91/0xb0 [ 51.943186] ? put_timespec64+0xa9/0x100 [ 51.947270] ? nsecs_to_jiffies+0x20/0x20 [ 51.951432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.956817] __x64_sys_sendmsg+0x73/0xb0 [ 51.960996] do_syscall_64+0xd0/0x4e0 [ 51.964796] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.969978] RIP: 0033:0x459ad9 [ 51.973162] 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 [ 51.992054] RSP: 002b:00007f828fab2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.999751] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459ad9 [ 52.007008] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 52.014311] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 52.021561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f828fab36d4 [ 52.028848] R13: 00000000004c7c8c R14: 00000000004ddb58 R15: 00000000ffffffff 2020/10/08 07:06:19 executed programs: 495