Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.974870] kauditd_printk_skb: 10 callbacks suppressed [ 37.974875] audit: type=1400 audit(1577997342.825:36): avc: denied { map } for pid=6969 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16480 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 39.937965] IPVS: ftp: loaded support on port[0] = 21 [ 40.343040] can: request_module (can-proto-0) failed. [ 41.451351] can: request_module (can-proto-0) failed. [ 41.627220] audit: type=1400 audit(1577997346.485:37): avc: denied { create } for pid=6969 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 41.650942] audit: type=1400 audit(1577997346.505:38): avc: denied { create } for pid=6969 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 41.675138] audit: type=1400 audit(1577997346.505:39): avc: denied { create } for pid=6969 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. 2020/01/02 20:35:54 parsed 1 programs 2020/01/02 20:35:54 executed programs: 0 [ 49.884898] IPVS: ftp: loaded support on port[0] = 21 [ 49.912006] IPVS: ftp: loaded support on port[0] = 21 [ 49.972391] IPVS: ftp: loaded support on port[0] = 21 [ 50.001928] IPVS: ftp: loaded support on port[0] = 21 [ 50.020535] IPVS: ftp: loaded support on port[0] = 21 [ 50.037823] IPVS: ftp: loaded support on port[0] = 21 [ 50.103847] chnl_net:caif_netlink_parms(): no params data found [ 50.152378] chnl_net:caif_netlink_parms(): no params data found [ 50.237712] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.244402] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.251700] device bridge_slave_0 entered promiscuous mode [ 50.262462] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.269335] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.276738] device bridge_slave_1 entered promiscuous mode [ 50.293830] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.302686] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.331309] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.338756] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.345766] device bridge_slave_0 entered promiscuous mode [ 50.373162] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.379767] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.386595] device bridge_slave_1 entered promiscuous mode [ 50.392753] chnl_net:caif_netlink_parms(): no params data found [ 50.406992] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.414302] team0: Port device team_slave_0 added [ 50.420073] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.427260] team0: Port device team_slave_1 added [ 50.432898] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.463399] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.526682] device hsr_slave_0 entered promiscuous mode [ 50.565267] device hsr_slave_1 entered promiscuous mode [ 50.648193] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.658788] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.667602] chnl_net:caif_netlink_parms(): no params data found [ 50.679786] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.698878] chnl_net:caif_netlink_parms(): no params data found [ 50.712900] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.773481] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.783298] team0: Port device team_slave_0 added [ 50.788550] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.794914] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.804207] device bridge_slave_0 entered promiscuous mode [ 50.813296] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.819746] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.827532] device bridge_slave_1 entered promiscuous mode [ 50.838330] chnl_net:caif_netlink_parms(): no params data found [ 50.849986] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.857489] team0: Port device team_slave_1 added [ 50.882689] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.894522] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.903700] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.919662] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.926391] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.933225] device bridge_slave_0 entered promiscuous mode [ 50.939919] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.959241] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.965700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.972556] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.978950] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.991249] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.997997] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.004851] device bridge_slave_1 entered promiscuous mode [ 51.010997] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.019823] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.026778] device bridge_slave_0 entered promiscuous mode [ 51.041450] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.049088] team0: Port device team_slave_0 added [ 51.062655] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.069999] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.077360] device bridge_slave_0 entered promiscuous mode [ 51.087195] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.093531] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.100700] device bridge_slave_1 entered promiscuous mode [ 51.107023] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.113356] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.120345] device bridge_slave_1 entered promiscuous mode [ 51.186930] device hsr_slave_0 entered promiscuous mode [ 51.225419] device hsr_slave_1 entered promiscuous mode [ 51.265473] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.272659] team0: Port device team_slave_1 added [ 51.285983] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.307480] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.314541] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.325737] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.332831] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.340440] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.348556] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.362866] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.383893] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.393109] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.403653] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.414385] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.456597] device hsr_slave_0 entered promiscuous mode [ 51.495291] device hsr_slave_1 entered promiscuous mode [ 51.539109] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.561743] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.577061] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.584449] team0: Port device team_slave_0 added [ 51.592793] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.600176] team0: Port device team_slave_0 added [ 51.605956] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.613272] team0: Port device team_slave_1 added [ 51.622097] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.632714] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.640977] team0: Port device team_slave_1 added [ 51.653947] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.660806] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.670781] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.679040] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.688069] team0: Port device team_slave_0 added [ 51.693756] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.701211] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.717540] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.724778] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.734512] team0: Port device team_slave_1 added [ 51.739917] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.762952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.770731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.779389] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.785825] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.792048] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.804421] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.846519] device hsr_slave_0 entered promiscuous mode [ 51.885331] device hsr_slave_1 entered promiscuous mode [ 51.925826] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.933206] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.986551] device hsr_slave_0 entered promiscuous mode [ 52.025372] device hsr_slave_1 entered promiscuous mode [ 52.066621] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.073758] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.126623] device hsr_slave_0 entered promiscuous mode [ 52.175370] device hsr_slave_1 entered promiscuous mode [ 52.215685] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.223467] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.231148] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.238483] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.253431] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.264245] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.276991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.284867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.292877] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.299327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.309237] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.323378] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.331613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.339761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.347606] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.353939] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.362801] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.371922] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.381629] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.389506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.397760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.404596] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.413612] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.422766] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.432904] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.445510] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.453236] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.463784] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.471477] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.492043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.502007] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.510005] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.516210] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.524135] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.535797] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.547260] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.553338] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.561551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.570683] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.578565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.585576] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.601196] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.610371] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.618489] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.630224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.639264] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.646918] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.653265] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.660085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.667903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.675588] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.681922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.688724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.696153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.703631] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.710683] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.724662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.734823] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.746116] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.752128] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.760776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.768445] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.781430] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.788803] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.797234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.806883] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.817864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.826432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.833908] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.840283] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.847357] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.855179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.862684] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.869091] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.876091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.884841] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.900136] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.908665] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.916043] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.926691] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.934639] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.942613] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.949816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.956758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.964337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.972016] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.979663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.988157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.997539] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.003608] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.013581] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.022332] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.035951] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.042672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.051475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.060356] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.071679] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.081053] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.091007] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.098903] audit: type=1400 audit(1577997357.955:40): avc: denied { associate } for pid=7068 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 53.127352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.139823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.148210] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.156082] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.163840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.171770] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.178171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.185802] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.191985] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.199102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.207089] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.215430] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.222173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.230893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.238574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.246483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.254896] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.266597] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.274523] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.288976] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.303671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.316638] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.323044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.331417] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.339380] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.345773] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.352825] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.360086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.367440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.374915] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.384293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.393577] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.406043] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.413243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.422108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.430645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.438811] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.445218] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.452126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.460111] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.468834] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.475364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.488907] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.497598] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.504888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.515385] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.523328] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.533736] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.540941] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.548277] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.556859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.564364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.571885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.579021] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.586056] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.596255] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.608041] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.618548] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.628499] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.640829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.654803] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.662612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.671118] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.678800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.686484] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.693855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.701602] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.710383] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.716580] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.723605] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.733355] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.739842] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.751663] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.759743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.770075] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.777744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.785763] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.793276] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.799798] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.808879] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.817249] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.826384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.833860] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.844348] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.851733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.861398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.869524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.877876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.886467] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.894194] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.902192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.909751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.917739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.925345] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.931945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.940538] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.947796] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.959030] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.975226] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.983230] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.995542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.002968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.026936] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.035856] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.046127] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.054048] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.069500] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.076113] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.084147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.095954] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.103674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.111642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.122592] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.135972] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.145876] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.153205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.165752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.173530] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.190683] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.202123] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.211202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.220577] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.237598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.246974] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.266274] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.287172] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.297851] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.328563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.339756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.356092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.363743] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.380213] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.400002] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.461008] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.519198] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/01/02 20:35:59 executed programs: 13 [ 212.025309] INFO: task syz-executor.3:7100 blocked for more than 140 seconds. [ 212.032852] Not tainted 4.19.92-syzkaller #0 [ 212.059594] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.079652] syz-executor.3 D28136 7100 7068 0x80000004 [ 212.099579] Call Trace: [ 212.102195] __schedule+0x78c/0x1c10 [ 212.106934] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.111954] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.139423] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.144062] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.159530] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.164402] schedule+0x7f/0x1b0 [ 212.179598] rwsem_down_read_failed+0x21c/0x3e0 [ 212.184279] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.219707] ? find_held_lock+0x36/0x1d0 [ 212.223826] call_rwsem_down_read_failed+0x18/0x30 [ 212.228885] down_read+0x49/0xb0 [ 212.232244] ? do_exit+0x3b7/0x2d40 [ 212.259582] do_exit+0x3b7/0x2d40 [ 212.263064] ? trace_hardirqs_on+0x28/0x190 [ 212.267583] ? mm_update_next_owner+0x680/0x680 [ 212.272256] ? find_held_lock+0x36/0x1d0 [ 212.299807] ? get_signal+0x2c3/0x1a00 [ 212.303740] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.319653] ? get_signal+0x2c3/0x1a00 [ 212.323564] do_group_exit+0xf4/0x2f0 [ 212.339772] get_signal+0x313/0x1a00 [ 212.343498] ? vm_mmap_pgoff+0x15a/0x210 [ 212.359759] ? lock_downgrade+0x860/0x860 [ 212.363929] do_signal+0x87/0x1960 [ 212.379553] ? vm_mmap_pgoff+0x15a/0x210 [ 212.395136] ? vma_is_stack_for_current+0x90/0x90 [ 212.400020] ? setup_sigcontext+0x7d0/0x7d0 [ 212.404338] ? kvm_clock_get_cycles+0x9/0x10 [ 212.415074] ? ksys_mmap_pgoff+0xa4/0x650 [ 212.419239] ? exit_to_usermode_loop+0x3a/0x200 [ 212.423895] ? do_syscall_64+0x413/0x4e0 [ 212.445103] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.449735] ? exit_to_usermode_loop+0x3a/0x200 [ 212.454400] ? trace_hardirqs_on+0x28/0x190 [ 212.475051] exit_to_usermode_loop+0x114/0x200 [ 212.479682] do_syscall_64+0x413/0x4e0 [ 212.483575] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.505053] RIP: 0033:0x45987a [ 212.508283] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 212.545032] RSP: 002b:00007ffedd7a62f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 212.552772] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a [ 212.575053] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 212.582347] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 212.605035] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 212.612323] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 212.635049] INFO: task syz-executor.3:7101 blocked for more than 140 seconds. [ 212.642339] Not tainted 4.19.92-syzkaller #0 [ 212.665050] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.673033] syz-executor.3 D28200 7101 7068 0x80000004 [ 212.685051] Call Trace: [ 212.687653] __schedule+0x78c/0x1c10 [ 212.691364] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.715676] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.720535] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.735039] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.739543] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.744382] schedule+0x7f/0x1b0 [ 212.755045] rwsem_down_read_failed+0x21c/0x3e0 [ 212.759727] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.764652] ? find_held_lock+0x36/0x1d0 [ 212.785053] call_rwsem_down_read_failed+0x18/0x30 [ 212.789998] down_read+0x49/0xb0 [ 212.793354] ? do_exit+0x3b7/0x2d40 [ 212.805061] do_exit+0x3b7/0x2d40 [ 212.808531] ? mm_update_next_owner+0x680/0x680 [ 212.813198] ? find_held_lock+0x36/0x1d0 [ 212.835046] ? get_signal+0x2c3/0x1a00 [ 212.838970] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.843456] ? get_signal+0x2c3/0x1a00 [ 212.855045] do_group_exit+0xf4/0x2f0 [ 212.858861] get_signal+0x313/0x1a00 [ 212.862564] ? lock_downgrade+0x860/0x860 [ 212.885054] do_signal+0x87/0x1960 [ 212.888615] ? lock_downgrade+0x860/0x860 [ 212.892759] ? setup_sigcontext+0x7d0/0x7d0 [ 212.905196] ? kasan_check_read+0x11/0x20 [ 212.909360] ? _copy_to_user+0x91/0xb0 [ 212.913245] ? __x64_sys_futex+0x1cb/0x3a0 [ 212.935047] ? exit_to_usermode_loop+0x3a/0x200 [ 212.939736] ? do_syscall_64+0x413/0x4e0 [ 212.943806] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.955062] ? exit_to_usermode_loop+0x3a/0x200 [ 212.959747] ? trace_hardirqs_on+0x28/0x190 [ 212.964077] exit_to_usermode_loop+0x114/0x200 [ 212.985064] do_syscall_64+0x413/0x4e0 [ 212.988976] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.994158] RIP: 0033:0x459829 [ 213.015036] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 213.045031] RSP: 002b:00007f817e778cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 213.052757] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829 [ 213.075048] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 213.082359] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 213.105718] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 213.113027] R13: 00007ffedd7a639f R14: 00007f817e7799c0 R15: 000000000075bf2c [ 213.135052] INFO: task syz-executor.1:7103 blocked for more than 140 seconds. [ 213.142345] Not tainted 4.19.92-syzkaller #0 [ 213.165032] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.173028] syz-executor.1 D28136 7103 7073 0x80000004 [ 213.195079] Call Trace: [ 213.197719] __schedule+0x78c/0x1c10 [ 213.201430] ? pci_mmcfg_check_reserved+0x120/0x120 [ 213.215052] ? rwsem_down_read_failed+0x203/0x3e0 [ 213.219908] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.224504] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.245045] ? rwsem_down_read_failed+0x21c/0x3e0 [ 213.249903] schedule+0x7f/0x1b0 [ 213.253263] rwsem_down_read_failed+0x21c/0x3e0 [ 213.265046] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 213.269991] ? find_held_lock+0x36/0x1d0 [ 213.274057] call_rwsem_down_read_failed+0x18/0x30 [ 213.295041] down_read+0x49/0xb0 [ 213.298523] ? do_exit+0x3b7/0x2d40 [ 213.302143] do_exit+0x3b7/0x2d40 [ 213.315059] ? trace_hardirqs_on+0x28/0x190 [ 213.319403] ? mm_update_next_owner+0x680/0x680 [ 213.324066] ? find_held_lock+0x36/0x1d0 [ 213.345053] ? get_signal+0x2c3/0x1a00 [ 213.348955] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.353439] ? get_signal+0x2c3/0x1a00 [ 213.375664] do_group_exit+0xf4/0x2f0 [ 213.379525] get_signal+0x313/0x1a00 [ 213.383359] ? vm_mmap_pgoff+0x15a/0x210 [ 213.395045] ? lock_downgrade+0x860/0x860 [ 213.399215] do_signal+0x87/0x1960 [ 213.402747] ? vm_mmap_pgoff+0x15a/0x210 [ 213.415043] ? vma_is_stack_for_current+0x90/0x90 [ 213.419901] ? setup_sigcontext+0x7d0/0x7d0 [ 213.424223] ? kvm_clock_get_cycles+0x9/0x10 [ 213.445050] ? ksys_mmap_pgoff+0xa4/0x650 [ 213.449237] ? exit_to_usermode_loop+0x3a/0x200 [ 213.453918] ? do_syscall_64+0x413/0x4e0 [ 213.475085] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.479702] ? exit_to_usermode_loop+0x3a/0x200 [ 213.484366] ? trace_hardirqs_on+0x28/0x190 [ 213.505696] exit_to_usermode_loop+0x114/0x200 [ 213.510308] do_syscall_64+0x413/0x4e0 [ 213.514192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.535037] RIP: 0033:0x45987a [ 213.538238] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 213.575042] RSP: 002b:00007ffe88a264f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 213.582771] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a [ 213.605052] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 213.612340] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 213.635622] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 213.642908] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 213.665051] INFO: task syz-executor.1:7105 blocked for more than 140 seconds. [ 213.672329] Not tainted 4.19.92-syzkaller #0 [ 213.685032] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.693005] syz-executor.1 D28200 7105 7073 0x80000004 [ 213.715032] Call Trace: [ 213.717637] __schedule+0x78c/0x1c10 [ 213.721349] ? pci_mmcfg_check_reserved+0x120/0x120 [ 213.735053] ? rwsem_down_read_failed+0x203/0x3e0 [ 213.739903] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.744476] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.765684] ? rwsem_down_read_failed+0x21c/0x3e0 [ 213.770534] schedule+0x7f/0x1b0 [ 213.773975] rwsem_down_read_failed+0x21c/0x3e0 [ 213.795040] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 213.799989] ? find_held_lock+0x36/0x1d0 [ 213.804055] call_rwsem_down_read_failed+0x18/0x30 [ 213.825046] down_read+0x49/0xb0 [ 213.828427] ? do_exit+0x3b7/0x2d40 [ 213.832048] do_exit+0x3b7/0x2d40 [ 213.845055] ? mm_update_next_owner+0x680/0x680 [ 213.849734] ? find_held_lock+0x36/0x1d0 [ 213.853842] ? get_signal+0x2c3/0x1a00 [ 213.865060] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.869566] ? get_signal+0x2c3/0x1a00 [ 213.873448] do_group_exit+0xf4/0x2f0 [ 213.895638] get_signal+0x313/0x1a00 [ 213.899363] ? lock_downgrade+0x860/0x860 [ 213.903515] do_signal+0x87/0x1960 [ 213.915038] ? lock_downgrade+0x860/0x860 [ 213.919199] ? setup_sigcontext+0x7d0/0x7d0 [ 213.923517] ? kasan_check_read+0x11/0x20 [ 213.945104] ? _copy_to_user+0x91/0xb0 [ 213.949029] ? __x64_sys_futex+0x1cb/0x3a0 [ 213.953258] ? exit_to_usermode_loop+0x3a/0x200 [ 213.965042] ? do_syscall_64+0x413/0x4e0 [ 213.969109] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.973693] ? exit_to_usermode_loop+0x3a/0x200 [ 213.995056] ? trace_hardirqs_on+0x28/0x190 [ 213.999414] exit_to_usermode_loop+0x114/0x200 [ 214.003994] do_syscall_64+0x413/0x4e0 [ 214.025686] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.030887] RIP: 0033:0x459829 [ 214.034066] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 214.075035] RSP: 002b:00007f0969d0acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 214.082770] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829 [ 214.105165] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 214.112491] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 214.135032] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 214.142316] R13: 00007ffe88a2659f R14: 00007f0969d0b9c0 R15: 000000000075bf2c [ 214.165094] INFO: task syz-executor.2:7118 blocked for more than 140 seconds. [ 214.172405] Not tainted 4.19.92-syzkaller #0 [ 214.195040] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 214.203026] syz-executor.2 D28136 7118 7069 0x80000004 [ 214.225037] Call Trace: [ 214.227648] __schedule+0x78c/0x1c10 [ 214.231358] ? pci_mmcfg_check_reserved+0x120/0x120 [ 214.245046] ? rwsem_down_read_failed+0x203/0x3e0 [ 214.249911] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.254502] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.275050] ? rwsem_down_read_failed+0x21c/0x3e0 [ 214.279913] schedule+0x7f/0x1b0 [ 214.283712] rwsem_down_read_failed+0x21c/0x3e0 [ 214.305080] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 214.310071] ? find_held_lock+0x36/0x1d0 [ 214.314143] call_rwsem_down_read_failed+0x18/0x30 [ 214.335048] down_read+0x49/0xb0 [ 214.338434] ? do_exit+0x3b7/0x2d40 [ 214.342061] do_exit+0x3b7/0x2d40 [ 214.355043] ? trace_hardirqs_on+0x28/0x190 [ 214.359384] ? mm_update_next_owner+0x680/0x680 [ 214.364047] ? find_held_lock+0x36/0x1d0 [ 214.375041] ? get_signal+0x2c3/0x1a00 [ 214.378937] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.395042] ? get_signal+0x2c3/0x1a00 [ 214.398950] do_group_exit+0xf4/0x2f0 [ 214.402750] get_signal+0x313/0x1a00 [ 214.415659] ? vm_mmap_pgoff+0x15a/0x210 [ 214.419735] ? lock_downgrade+0x860/0x860 [ 214.424007] do_signal+0x87/0x1960 [ 214.445059] ? vm_mmap_pgoff+0x15a/0x210 [ 214.449185] ? vma_is_stack_for_current+0x90/0x90 [ 214.454017] ? setup_sigcontext+0x7d0/0x7d0 [ 214.465091] ? kvm_clock_get_cycles+0x9/0x10 [ 214.469544] ? ksys_mmap_pgoff+0xa4/0x650 [ 214.473687] ? exit_to_usermode_loop+0x3a/0x200 [ 214.495051] ? do_syscall_64+0x413/0x4e0 [ 214.499140] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.503715] ? exit_to_usermode_loop+0x3a/0x200 [ 214.525079] ? trace_hardirqs_on+0x28/0x190 [ 214.529472] exit_to_usermode_loop+0x114/0x200 [ 214.534050] do_syscall_64+0x413/0x4e0 [ 214.555045] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.560261] RIP: 0033:0x45987a [ 214.563453] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 214.605035] RSP: 002b:00007fffcd0e1808 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 214.612780] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a [ 214.635041] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 214.642336] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 214.665033] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 214.672325] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 214.695050] INFO: task syz-executor.2:7119 blocked for more than 140 seconds. [ 214.702345] Not tainted 4.19.92-syzkaller #0 [ 214.725029] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 214.733008] syz-executor.2 D28200 7119 7069 0x80000004 [ 214.745490] Call Trace: [ 214.748096] __schedule+0x78c/0x1c10 [ 214.751806] ? pci_mmcfg_check_reserved+0x120/0x120 [ 214.775056] ? rwsem_down_read_failed+0x203/0x3e0 [ 214.779918] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.784488] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.805695] ? rwsem_down_read_failed+0x21c/0x3e0 [ 214.810550] schedule+0x7f/0x1b0 [ 214.813912] rwsem_down_read_failed+0x21c/0x3e0 [ 214.825041] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 214.829980] ? find_held_lock+0x36/0x1d0 [ 214.834044] call_rwsem_down_read_failed+0x18/0x30 [ 214.855043] down_read+0x49/0xb0 [ 214.858420] ? do_exit+0x3b7/0x2d40 [ 214.862037] do_exit+0x3b7/0x2d40 [ 214.875045] ? mm_update_next_owner+0x680/0x680 [ 214.879718] ? find_held_lock+0x36/0x1d0 [ 214.883772] ? get_signal+0x2c3/0x1a00 [ 214.905051] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.909550] ? get_signal+0x2c3/0x1a00 [ 214.913429] do_group_exit+0xf4/0x2f0 [ 214.925042] get_signal+0x313/0x1a00 [ 214.928761] ? lock_downgrade+0x860/0x860 [ 214.932910] do_signal+0x87/0x1960 [ 214.955040] ? lock_downgrade+0x860/0x860 [ 214.959234] ? setup_sigcontext+0x7d0/0x7d0 [ 214.963550] ? kasan_check_read+0x11/0x20 [ 214.975040] ? _copy_to_user+0x91/0xb0 [ 214.978939] ? __x64_sys_futex+0x1cb/0x3a0 [ 214.983167] ? exit_to_usermode_loop+0x3a/0x200 [ 215.005040] ? do_syscall_64+0x413/0x4e0 [ 215.009118] ? lockdep_hardirqs_on+0x421/0x5c0 [ 215.013685] ? exit_to_usermode_loop+0x3a/0x200 [ 215.025040] ? trace_hardirqs_on+0x28/0x190 [ 215.029370] exit_to_usermode_loop+0x114/0x200 [ 215.033945] do_syscall_64+0x413/0x4e0 [ 215.055040] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.060244] RIP: 0033:0x459829 [ 215.063425] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 215.115030] RSP: 002b:00007fd676803cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 215.122767] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829 [ 215.145041] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 215.152326] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 215.175030] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 215.182307] R13: 00007fffcd0e18af R14: 00007fd6768049c0 R15: 000000000075bf2c [ 215.205703] [ 215.205703] Showing all locks held in the system: [ 215.212050] 1 lock held by khungtaskd/1041: [ 215.225109] #0: 000000003a5096c9 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 215.233761] 1 lock held by rsyslogd/6823: [ 215.245041] #0: 00000000a96120f3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 215.252900] 2 locks held by getty/6945: [ 215.275028] #0: 000000003e3c5c9f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.283294] #1: 0000000033d2d718 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.305088] 2 locks held by getty/6946: [ 215.309102] #0: 000000006bf1b892 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.335636] #1: 000000009a5dc970 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.344514] 2 locks held by getty/6947: [ 215.355036] #0: 0000000022bb343e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.363303] #1: 00000000cd85984d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.395062] 2 locks held by getty/6948: [ 215.399078] #0: 0000000079bd550d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.415061] #1: 000000002949d1ce (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.423947] 2 locks held by getty/6949: [ 215.445052] #0: 00000000b4b9399e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.453343] #1: 00000000a24350e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.485083] 2 locks held by getty/6950: [ 215.489112] #0: 00000000173ffb26 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.505063] #1: 00000000634005ba (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.513968] 2 locks held by getty/6951: [ 215.535081] #0: 00000000bff642d4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 215.543374] #1: 000000003f4755d5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 215.565042] 1 lock held by syz-executor.3/7100: [ 215.569726] #0: 0000000011bffb4f (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.595070] 1 lock held by syz-executor.3/7101: [ 215.599770] #0: 0000000011bffb4f (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.615045] 6 locks held by syz-executor.3/7102: [ 215.619806] 1 lock held by syz-executor.1/7103: [ 215.624460] #0: 00000000d2fb1506 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.655035] 1 lock held by syz-executor.1/7105: [ 215.659719] #0: 00000000d2fb1506 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.675034] 4 locks held by syz-executor.1/7107: [ 215.679803] 1 lock held by syz-executor.2/7118: [ 215.684462] #0: 000000007947532e (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.715052] 1 lock held by syz-executor.2/7119: [ 215.719758] #0: 000000007947532e (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 215.735664] 2 locks held by syz-executor.2/7125: [ 215.740427] [ 215.742055] ============================================= [ 215.742055] [ 215.765041] NMI backtrace for cpu 0 [ 215.768694] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 4.19.92-syzkaller #0 [ 215.776038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.785379] Call Trace: [ 215.787961] dump_stack+0x123/0x177 [ 215.791579] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 215.796242] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 215.801422] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 215.806603] arch_trigger_cpumask_backtrace+0x14/0x20 [ 215.811779] watchdog+0x5c3/0xb40 [ 215.815233] kthread+0x324/0x3e0 [ 215.818586] ? hungtask_pm_notify+0x40/0x40 [ 215.822896] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 215.828422] ret_from_fork+0x24/0x30 [ 215.832194] Sending NMI from CPU 0 to CPUs 1: [ 215.836832] NMI backtrace for cpu 1 [ 215.836835] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.92-syzkaller #0 [ 215.836836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.836838] Workqueue: bat_events batadv_nc_worker [ 215.836840] RIP: 0010:lockdep_hardirqs_off+0x1f0/0x2c0 [ 215.836843] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c4 00 00 00 48 83 3d 67 26 a6 06 00 0f 84 aa 00 00 00 9c <58> 0f 1f 44 00 00 f6 c4 02 0f 84 df fe ff ff e8 3c 13 a3 01 85 c0 [ 215.836849] RSP: 0018:ffff8880aa31fbe0 EFLAGS: 00000082 [ 215.836852] RAX: dffffc0000000000 RBX: ffff8880aa30c1c0 RCX: 0000000000000000 [ 215.836853] RDX: 1ffffffff0fe40e8 RSI: 0000000000000000 RDI: ffffffff87f20740 [ 215.836855] RBP: ffff8880aa31fc00 R08: ffffed1015182b4e R09: ffffed1015182b4d [ 215.836856] R10: ffffed1015182b4d R11: ffff8880a8c15a6b R12: ffff8880aa30c1c0 [ 215.836857] R13: ffffffff813aca20 R14: ffffffff867f0aa0 R15: ffff88808ad3d880 [ 215.836859] FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 215.836860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.836862] CR2: ffffffffff600400 CR3: 0000000089ebf000 CR4: 00000000001406e0 [ 215.836863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 215.836865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 215.836866] Call Trace: [ 215.836867] ? __local_bh_enable_ip+0x120/0x260 [ 215.836868] ? batadv_nc_purge_paths+0x1d6/0x2f0 [ 215.836869] trace_hardirqs_off+0x41/0x180 [ 215.836870] ? batadv_nc_purge_paths+0x1d6/0x2f0 [ 215.836872] __local_bh_enable_ip+0x120/0x260 [ 215.836873] ? batadv_nc_skb_add_to_path+0x2e0/0x2e0 [ 215.836874] _raw_spin_unlock_bh+0x30/0x40 [ 215.836875] batadv_nc_purge_paths+0x1d6/0x2f0 [ 215.836876] batadv_nc_worker+0x1f3/0x630 [ 215.836877] process_one_work+0x830/0x1670 [ 215.836879] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 215.836880] ? lock_acquire+0x173/0x3d0 [ 215.836881] ? kasan_check_write+0x14/0x20 [ 215.836882] ? do_raw_spin_lock+0xc1/0x230 [ 215.836883] worker_thread+0x85/0xb60 [ 215.836884] ? __kthread_parkme+0x47/0x190 [ 215.836885] kthread+0x324/0x3e0 [ 215.836887] ? process_one_work+0x1670/0x1670 [ 215.836888] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 215.836889] ret_from_fork+0x24/0x30 [ 215.915032] Kernel panic - not syncing: hung_task: blocked tasks [ 216.061126] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 4.19.92-syzkaller #0 [ 216.068478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.077819] Call Trace: [ 216.080401] dump_stack+0x123/0x177 [ 216.084022] panic+0x1cd/0x375 [ 216.087203] ? __warn_printk+0xd6/0xd6 [ 216.091092] watchdog+0x5d4/0xb40 [ 216.094545] kthread+0x324/0x3e0 [ 216.097903] ? hungtask_pm_notify+0x40/0x40 [ 216.102213] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 216.107750] ret_from_fork+0x24/0x30 [ 216.113156] Kernel Offset: disabled [ 216.116788] Rebooting in 86400 seconds..