[ 35.172504] audit: type=1800 audit(1577900105.980:33): pid=7008 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 35.203282] audit: type=1800 audit(1577900106.010:34): pid=7008 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 38.413195] random: sshd: uninitialized urandom read (32 bytes read) [ 38.752015] audit: type=1400 audit(1577900109.560:35): avc: denied { map } for pid=7181 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 38.814526] random: sshd: uninitialized urandom read (32 bytes read) [ 39.451945] random: sshd: uninitialized urandom read (32 bytes read) [ 39.661408] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. [ 45.215481] random: sshd: uninitialized urandom read (32 bytes read) [ 45.335396] audit: type=1400 audit(1577900116.140:36): avc: denied { map } for pid=7193 comm="syz-executor840" path="/root/syz-executor840282554" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.610918] IPVS: ftp: loaded support on port[0] = 21 [ 46.385355] audit: type=1400 audit(1577900117.190:37): avc: denied { create } for pid=7202 comm="syz-executor840" 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 [ 46.409429] audit: type=1400 audit(1577900117.190:38): avc: denied { write } for pid=7202 comm="syz-executor840" 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 [ 46.433457] audit: type=1400 audit(1577900117.190:39): avc: denied { read } for pid=7202 comm="syz-executor840" 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 [ 46.461848] IPVS: ftp: loaded support on port[0] = 21 [ 46.518254] chnl_net:caif_netlink_parms(): no params data found [ 46.593927] IPVS: ftp: loaded support on port[0] = 21 [ 46.626694] chnl_net:caif_netlink_parms(): no params data found [ 46.642054] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.648488] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.656058] device bridge_slave_0 entered promiscuous mode [ 46.665192] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.671824] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.678706] device bridge_slave_1 entered promiscuous mode [ 46.703693] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.723376] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.744927] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.752447] team0: Port device team_slave_0 added [ 46.771949] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.779055] team0: Port device team_slave_1 added [ 46.785782] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.798351] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.812177] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.812477] IPVS: ftp: loaded support on port[0] = 21 [ 46.818578] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.831095] device bridge_slave_0 entered promiscuous mode [ 46.838635] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.845086] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.852097] device bridge_slave_1 entered promiscuous mode [ 46.911996] device hsr_slave_0 entered promiscuous mode [ 46.970361] device hsr_slave_1 entered promiscuous mode [ 47.012716] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.035293] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.047305] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.058722] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.119039] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.128052] team0: Port device team_slave_0 added [ 47.135697] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.143337] team0: Port device team_slave_1 added [ 47.149054] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.167020] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.173495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.180336] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.186670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.195413] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.217133] chnl_net:caif_netlink_parms(): no params data found [ 47.224624] IPVS: ftp: loaded support on port[0] = 21 [ 47.292836] device hsr_slave_0 entered promiscuous mode [ 47.330452] device hsr_slave_1 entered promiscuous mode [ 47.371249] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.401807] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.459783] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.466551] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.474235] device bridge_slave_0 entered promiscuous mode [ 47.489790] chnl_net:caif_netlink_parms(): no params data found [ 47.504587] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.511724] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.518677] device bridge_slave_1 entered promiscuous mode [ 47.526856] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.533285] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.539894] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.546314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.562485] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.569684] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.577418] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.584116] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.606920] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.619612] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.653548] IPVS: ftp: loaded support on port[0] = 21 [ 47.691610] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.700599] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.707889] team0: Port device team_slave_0 added [ 47.727273] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.745121] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.752827] team0: Port device team_slave_1 added [ 47.797055] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.814969] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.843257] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.849618] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.857394] device bridge_slave_0 entered promiscuous mode [ 47.865275] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.872554] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.879973] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.887352] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.907288] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.913890] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.920123] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.926473] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.935085] device bridge_slave_1 entered promiscuous mode [ 47.943702] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.002287] device hsr_slave_0 entered promiscuous mode [ 48.060317] device hsr_slave_1 entered promiscuous mode [ 48.120404] chnl_net:caif_netlink_parms(): no params data found [ 48.129025] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.136426] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.157878] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.179546] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.188521] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.197520] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.204929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.213201] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.221119] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.227448] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.234408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.241251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.256080] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.277161] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.283506] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.292329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.301040] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.308686] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.315066] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.325905] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.355081] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.362932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.371166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.378802] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.386941] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.393366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.401510] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.408692] team0: Port device team_slave_0 added [ 48.415953] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.422418] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.429264] device bridge_slave_0 entered promiscuous mode [ 48.436264] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.443609] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.450887] device bridge_slave_1 entered promiscuous mode [ 48.463654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.471662] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.478772] team0: Port device team_slave_1 added [ 48.485690] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 48.498720] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.510513] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.518207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.526188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.533857] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.540233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.547757] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.559618] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 48.579895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.594310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.604672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.612802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.621009] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.636465] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.657778] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.669019] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.713924] device hsr_slave_0 entered promiscuous mode [ 48.760427] device hsr_slave_1 entered promiscuous mode [ 48.805464] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 48.827084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.835497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.843129] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.856142] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.869627] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 48.884987] chnl_net:caif_netlink_parms(): no params data found [ 48.896089] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.904202] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.911454] team0: Port device team_slave_0 added [ 48.917497] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.940463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.947924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.956002] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.964143] team0: Port device team_slave_1 added [ 48.970884] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.984690] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.992662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.003218] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.011026] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.018462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.026199] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.033433] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.041898] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.053246] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.059532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.067460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.078882] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.085888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.099405] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.110676] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.122012] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.132807] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.148748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.157628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.165227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.172774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.186445] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.192715] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.211110] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.272278] device hsr_slave_0 entered promiscuous mode [ 49.310445] device hsr_slave_1 entered promiscuous mode [ 49.376720] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 49.385741] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.401838] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.408534] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.415925] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.423131] device bridge_slave_0 entered promiscuous mode [ 49.429690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.436909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.447125] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.458223] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 49.465181] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.472456] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.478965] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.486062] device bridge_slave_1 entered promiscuous mode [ 49.498110] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.505313] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.518016] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.528016] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.536508] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.543482] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.556600] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.568312] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.582767] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.591234] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.601506] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.611616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.619471] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.627258] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.633619] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.641619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.655863] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.667662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.684034] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 49.708196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.717106] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.725160] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.731560] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.739270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.750950] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.760815] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.775057] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.790615] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.798953] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.811950] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.819132] team0: Port device team_slave_0 added [ 49.825611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.838185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.845459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.857016] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.866963] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.878688] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.885542] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.893529] team0: Port device team_slave_1 added [ 49.899224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.912193] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.926121] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.933938] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.945468] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.958586] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.965855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.974655] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.982883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.991288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.998822] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.005227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.012485] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.024940] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 50.033449] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.043902] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.052476] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.059901] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.068062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.076143] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.084695] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.091085] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.100843] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.107703] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 50.124352] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.133880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.142058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.149648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.168972] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 50.184300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.233099] device hsr_slave_0 entered promiscuous mode [ 50.280457] device hsr_slave_1 entered promiscuous mode [ 50.321017] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.328387] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.337148] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.348638] FAULT_INJECTION: forcing a failure. [ 50.348638] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 50.352567] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 50.361055] CPU: 1 PID: 7270 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 50.373524] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.374614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.374618] Call Trace: [ 50.374633] dump_stack+0x142/0x197 [ 50.374647] should_fail.cold+0x10f/0x159 [ 50.380802] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.390168] ? save_trace+0x290/0x290 [ 50.390182] __alloc_pages_nodemask+0x1d6/0x7a0 [ 50.390190] ? find_held_lock+0x35/0x130 [ 50.390198] ? __alloc_pages_slowpath+0x2930/0x2930 [ 50.390211] ? lock_downgrade+0x740/0x740 [ 50.390222] alloc_pages_current+0xec/0x1e0 [ 50.390231] __get_free_pages+0xf/0x40 [ 50.390239] __tlb_remove_page_size+0x2c5/0x4f0 [ 50.390246] unmap_page_range+0xb59/0x19f0 [ 50.390268] ? vm_normal_page_pmd+0x360/0x360 [ 50.390278] ? uprobe_munmap+0x94/0x210 [ 50.390288] unmap_single_vma+0x15d/0x2c0 [ 50.390297] unmap_vmas+0xac/0x170 [ 50.390314] exit_mmap+0x285/0x4e0 [ 50.390322] ? SyS_munmap+0x30/0x30 [ 50.390338] ? kmem_cache_free+0x244/0x2b0 [ 50.390347] ? __khugepaged_exit+0xcf/0x3d0 [ 50.390354] ? mm_update_next_owner+0x450/0x5d0 [ 50.390362] mmput+0x114/0x440 [ 50.390371] do_exit+0x6fc/0x2c80 [ 50.390383] ? find_held_lock+0x35/0x130 [ 50.390391] ? mm_update_next_owner+0x5d0/0x5d0 [ 50.390408] do_group_exit+0x111/0x330 [ 50.390418] get_signal+0x381/0x1cd0 [ 50.390437] do_signal+0x86/0x19a0 [ 50.390445] ? __fget+0x237/0x370 [ 50.390457] ? setup_sigcontext+0x7d0/0x7d0 [ 50.398011] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.400813] ? __fdget+0x1b/0x20 [ 50.400825] ? sockfd_lookup_light+0xb4/0x160 [ 50.400833] ? __sys_sendmsg+0xd1/0x140 [ 50.400844] ? SyS_futex+0x215/0x310 [ 50.400848] ? SyS_futex+0x222/0x310 [ 50.400859] ? exit_to_usermode_loop+0x3d/0x220 [ 50.400871] exit_to_usermode_loop+0x15c/0x220 [ 50.400882] do_syscall_64+0x4bc/0x640 [ 50.400889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.400902] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.420915] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.424379] RIP: 0033:0x448cc9 [ 50.424385] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 50.424395] RAX: 0000000000000001 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 50.424400] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dec6c [ 50.424404] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 50.424411] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000006dec6c [ 50.436662] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.436747] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 50.444911] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.637016] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.645421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.653524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.660548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.668209] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.676213] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.682611] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.689448] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.697434] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.705083] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.711482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.718689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.726456] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.734170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.743186] FAULT_INJECTION: forcing a failure. [ 50.743186] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 50.755199] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.762704] FAULT_INJECTION: forcing a failure. [ 50.762704] name failslab, interval 1, probability 0, space 0, times 1 [ 50.762811] CPU: 0 PID: 7272 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 50.781800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.791147] Call Trace: [ 50.793725] dump_stack+0x142/0x197 [ 50.797346] should_fail.cold+0x10f/0x159 [ 50.801488] __alloc_pages_nodemask+0x1d6/0x7a0 [ 50.806150] ? __alloc_pages_slowpath+0x2930/0x2930 [ 50.811159] ? check_preemption_disabled+0x3c/0x250 [ 50.816166] ? check_preemption_disabled+0x3c/0x250 [ 50.821177] alloc_pages_current+0xec/0x1e0 [ 50.825483] __get_free_pages+0xf/0x40 [ 50.829355] tlb_remove_table+0x115/0x1e0 [ 50.833500] ___pte_free_tlb+0x9e/0xd0 [ 50.837372] free_pgd_range+0x979/0xd10 [ 50.841350] free_pgtables+0x1fa/0x2b0 [ 50.845224] exit_mmap+0x294/0x4e0 [ 50.848756] ? SyS_munmap+0x30/0x30 [ 50.852373] ? kmem_cache_free+0x244/0x2b0 [ 50.856591] ? __khugepaged_exit+0xcf/0x3d0 [ 50.860903] ? mm_update_next_owner+0x450/0x5d0 [ 50.865554] mmput+0x114/0x440 [ 50.868742] do_exit+0x6fc/0x2c80 [ 50.872183] ? task_work_run+0xf0/0x190 [ 50.876152] ? find_held_lock+0x35/0x130 [ 50.880195] ? mm_update_next_owner+0x5d0/0x5d0 [ 50.884939] do_group_exit+0x111/0x330 [ 50.888828] get_signal+0x381/0x1cd0 [ 50.892556] do_signal+0x86/0x19a0 [ 50.896108] ? check_preemption_disabled+0x3c/0x250 [ 50.901129] ? __fget+0x237/0x370 [ 50.904588] ? kick_process+0xef/0x180 [ 50.908484] ? setup_sigcontext+0x7d0/0x7d0 [ 50.912813] ? task_work_add+0x8e/0xf0 [ 50.916695] ? __sys_sendmsg+0xd1/0x140 [ 50.920665] ? SyS_shutdown+0x170/0x170 [ 50.924641] ? exit_to_usermode_loop+0x3d/0x220 [ 50.929311] exit_to_usermode_loop+0x15c/0x220 [ 50.933893] do_syscall_64+0x4bc/0x640 [ 50.937784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.942642] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.947838] RIP: 0033:0x448cc9 [ 50.951099] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.958792] RAX: 0000000000000028 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 50.966044] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 50.973301] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 50.980653] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 50.987902] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 50.995172] CPU: 1 PID: 7275 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 51.003072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.012411] Call Trace: [ 51.014999] dump_stack+0x142/0x197 [ 51.018609] should_fail.cold+0x10f/0x159 [ 51.022837] should_failslab+0xdb/0x130 [ 51.026800] kmem_cache_alloc_node+0x287/0x780 [ 51.031377] __alloc_skb+0x9c/0x500 [ 51.034984] ? skb_trim+0x180/0x180 [ 51.038590] ? if_nlmsg_size+0x38f/0x810 [ 51.042650] rtmsg_ifinfo_build_skb+0x72/0x140 [ 51.047215] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 51.051960] rtnetlink_event+0xf4/0x120 [ 51.055924] notifier_call_chain+0x111/0x1b0 [ 51.060315] raw_notifier_call_chain+0x2e/0x40 [ 51.065052] call_netdevice_notifiers_info+0x56/0x70 [ 51.070173] __netdev_upper_dev_link+0x1da/0x230 [ 51.074951] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 51.079808] ? lock_downgrade+0x740/0x740 [ 51.083952] netdev_master_upper_dev_link+0x32/0x40 [ 51.088969] batadv_hardif_enable_interface+0x1ef/0xa10 [ 51.094333] batadv_softif_slave_add+0x8b/0xf0 [ 51.098904] ? batadv_softif_slave_del+0xc0/0xc0 [ 51.103645] do_set_master+0x19f/0x200 [ 51.107524] do_setlink+0x99f/0x2c20 [ 51.111219] ? find_held_lock+0x35/0x130 [ 51.115262] ? load_balance+0xe36/0x2240 [ 51.119304] ? rtnl_register+0x50/0x50 [ 51.123181] ? __lock_acquire+0x5f7/0x4620 [ 51.127407] ? lock_downgrade+0x740/0x740 [ 51.131534] ? lock_pin_lock+0x390/0x390 [ 51.135615] ? do_raw_spin_unlock+0x16b/0x260 [ 51.140099] ? __lock_acquire+0x5f7/0x4620 [ 51.144329] ? save_trace+0x290/0x290 [ 51.148116] ? trace_hardirqs_on+0x10/0x10 [ 51.152338] ? validate_nla+0x201/0x5f0 [ 51.156294] ? nla_parse+0x186/0x240 [ 51.159989] rtnl_newlink+0x11a7/0x1700 [ 51.163953] ? rtnl_link_unregister+0x200/0x200 [ 51.168604] ? finish_task_switch+0x178/0x650 [ 51.173079] ? finish_task_switch+0x14d/0x650 [ 51.177555] ? __mutex_lock+0x951/0x1470 [ 51.181604] ? lock_downgrade+0x740/0x740 [ 51.185761] ? rtnl_link_unregister+0x200/0x200 [ 51.190421] rtnetlink_rcv_msg+0x3da/0xb70 [ 51.194648] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 51.199221] ? netlink_deliver_tap+0x93/0x8f0 [ 51.203723] netlink_rcv_skb+0x14f/0x3c0 [ 51.207768] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 51.212333] ? lock_downgrade+0x740/0x740 [ 51.216459] ? netlink_ack+0x9a0/0x9a0 [ 51.220330] ? netlink_deliver_tap+0xba/0x8f0 [ 51.224809] rtnetlink_rcv+0x1d/0x30 [ 51.228503] netlink_unicast+0x44d/0x650 [ 51.232548] ? netlink_attachskb+0x6a0/0x6a0 [ 51.236939] ? security_netlink_send+0x81/0xb0 [ 51.241502] netlink_sendmsg+0x7c4/0xc60 [ 51.245546] ? netlink_unicast+0x650/0x650 [ 51.249763] ? security_socket_sendmsg+0x89/0xb0 [ 51.254507] ? netlink_unicast+0x650/0x650 [ 51.258724] sock_sendmsg+0xce/0x110 [ 51.262420] ___sys_sendmsg+0x70a/0x840 [ 51.266377] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 51.271120] ? __fget+0x210/0x370 [ 51.274556] ? find_held_lock+0x35/0x130 [ 51.278596] ? __fget+0x210/0x370 [ 51.282034] ? lock_downgrade+0x740/0x740 [ 51.286178] ? __fget+0x237/0x370 [ 51.289622] ? __fget_light+0x172/0x1f0 [ 51.293585] ? __fdget+0x1b/0x20 [ 51.296941] ? sockfd_lookup_light+0xb4/0x160 [ 51.301418] __sys_sendmsg+0xb9/0x140 [ 51.305198] ? SyS_shutdown+0x170/0x170 [ 51.309171] SyS_sendmsg+0x2d/0x50 [ 51.312689] ? __sys_sendmsg+0x140/0x140 [ 51.316740] do_syscall_64+0x1e8/0x640 [ 51.320607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.325435] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.330617] RIP: 0033:0x448cc9 [ 51.333798] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.341487] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 51.348747] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 51.355997] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 51.363247] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 51.370501] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 51.386639] batman_adv: batadv0: Adding interface: gretap0 [ 51.392551] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 51.417605] batman_adv: batadv0: Interface activated: gretap0 [ 51.428217] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 51.436389] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.446153] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.454759] FAULT_INJECTION: forcing a failure. [ 51.454759] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.467675] CPU: 0 PID: 7277 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 51.475628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.484967] Call Trace: [ 51.487544] dump_stack+0x142/0x197 [ 51.491171] should_fail.cold+0x10f/0x159 [ 51.495309] ? __might_sleep+0x93/0xb0 [ 51.499222] __alloc_pages_nodemask+0x1d6/0x7a0 [ 51.503890] ? lock_downgrade+0x740/0x740 [ 51.508020] ? __alloc_pages_slowpath+0x2930/0x2930 [ 51.513027] ? __unwind_start+0x1f6/0x3d0 [ 51.517162] ? __kernel_text_address+0xd/0x40 [ 51.521715] alloc_pages_current+0xec/0x1e0 [ 51.526163] depot_save_stack+0x3dc/0x410 [ 51.530451] save_stack+0xa9/0xd0 [ 51.533998] ? save_stack_trace+0x16/0x20 [ 51.538134] ? save_stack+0x45/0xd0 [ 51.541781] ? kasan_kmalloc+0xce/0xf0 [ 51.545734] ? kasan_slab_alloc+0xf/0x20 [ 51.549782] ? kmem_cache_alloc_node+0x131/0x780 [ 51.554532] ? __alloc_skb+0x9c/0x500 [ 51.558324] ? rtmsg_ifinfo_build_skb+0x72/0x140 [ 51.563060] ? rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 51.567970] ? rtnetlink_event+0xf4/0x120 [ 51.572100] ? notifier_call_chain+0x111/0x1b0 [ 51.576678] ? raw_notifier_call_chain+0x2e/0x40 [ 51.581426] ? call_netdevice_notifiers_info+0x56/0x70 [ 51.586695] ? __netdev_upper_dev_link+0x1da/0x230 [ 51.592569] ? netdev_master_upper_dev_link+0x32/0x40 [ 51.597740] ? batadv_hardif_enable_interface+0x1ef/0xa10 [ 51.603273] ? batadv_softif_slave_add+0x8b/0xf0 [ 51.608085] ? do_set_master+0x19f/0x200 [ 51.612226] ? do_setlink+0x99f/0x2c20 [ 51.616136] ? rtnl_newlink+0x11a7/0x1700 [ 51.620269] ? rtnetlink_rcv_msg+0x3da/0xb70 [ 51.624696] ? netlink_rcv_skb+0x14f/0x3c0 [ 51.628921] ? rtnetlink_rcv+0x1d/0x30 [ 51.632802] ? netlink_unicast+0x44d/0x650 [ 51.637272] ? netlink_sendmsg+0x7c4/0xc60 [ 51.641512] ? sock_sendmsg+0xce/0x110 [ 51.645399] ? ___sys_sendmsg+0x70a/0x840 [ 51.649561] ? __sys_sendmsg+0xb9/0x140 [ 51.653704] ? SyS_sendmsg+0x2d/0x50 [ 51.657423] ? do_syscall_64+0x1e8/0x640 [ 51.661468] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.666817] ? save_trace+0x290/0x290 [ 51.670605] ? __lock_is_held+0xb6/0x140 [ 51.674758] ? kasan_unpoison_shadow+0x35/0x50 [ 51.679334] kasan_kmalloc+0xce/0xf0 [ 51.683032] kasan_slab_alloc+0xf/0x20 [ 51.687043] kmem_cache_alloc_node+0x131/0x780 [ 51.691628] __alloc_skb+0x9c/0x500 [ 51.695237] ? skb_trim+0x180/0x180 [ 51.698964] ? if_nlmsg_size+0x38f/0x810 [ 51.703084] rtmsg_ifinfo_build_skb+0x72/0x140 [ 51.707668] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 51.712412] rtnetlink_event+0xf4/0x120 [ 51.716374] notifier_call_chain+0x111/0x1b0 [ 51.720767] raw_notifier_call_chain+0x2e/0x40 [ 51.725330] call_netdevice_notifiers_info+0x56/0x70 [ 51.730417] __netdev_upper_dev_link+0x1da/0x230 [ 51.735153] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 51.739891] ? lock_downgrade+0x740/0x740 [ 51.744035] netdev_master_upper_dev_link+0x32/0x40 [ 51.749054] batadv_hardif_enable_interface+0x1ef/0xa10 [ 51.754405] batadv_softif_slave_add+0x8b/0xf0 [ 51.758967] ? batadv_softif_slave_del+0xc0/0xc0 [ 51.763706] do_set_master+0x19f/0x200 [ 51.767577] do_setlink+0x99f/0x2c20 [ 51.771281] ? find_held_lock+0x35/0x130 [ 51.775336] ? load_balance+0xf7b/0x2240 [ 51.779390] ? rtnl_register+0x50/0x50 [ 51.783269] ? __lock_acquire+0x5f7/0x4620 [ 51.787588] ? lock_downgrade+0x740/0x740 [ 51.791725] ? lock_pin_lock+0x390/0x390 [ 51.795792] ? do_raw_spin_unlock+0x16b/0x260 [ 51.800274] ? save_trace+0x290/0x290 [ 51.804063] ? __lock_acquire+0x5f7/0x4620 [ 51.808369] ? __lock_is_held+0xb6/0x140 [ 51.812430] ? save_trace+0x290/0x290 [ 51.816216] ? trace_hardirqs_on+0x10/0x10 [ 51.820442] ? validate_nla+0x201/0x5f0 [ 51.824420] ? nla_parse+0x186/0x240 [ 51.828116] rtnl_newlink+0x11a7/0x1700 [ 51.832093] ? rtnl_link_unregister+0x200/0x200 [ 51.836748] ? finish_task_switch+0x178/0x650 [ 51.841235] ? finish_task_switch+0x14d/0x650 [ 51.845727] ? __mutex_lock+0x951/0x1470 [ 51.849787] ? lock_downgrade+0x740/0x740 [ 51.853938] ? rtnl_link_unregister+0x200/0x200 [ 51.858603] rtnetlink_rcv_msg+0x3da/0xb70 [ 51.862834] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 51.867426] ? netlink_deliver_tap+0x93/0x8f0 [ 51.871945] netlink_rcv_skb+0x14f/0x3c0 [ 51.876032] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 51.880604] ? lock_downgrade+0x740/0x740 [ 51.884736] ? netlink_ack+0x9a0/0x9a0 [ 51.888605] ? netlink_deliver_tap+0xba/0x8f0 [ 51.893191] rtnetlink_rcv+0x1d/0x30 [ 51.896900] netlink_unicast+0x44d/0x650 [ 51.900947] ? netlink_attachskb+0x6a0/0x6a0 [ 51.906120] ? security_netlink_send+0x81/0xb0 [ 51.910688] netlink_sendmsg+0x7c4/0xc60 [ 51.914730] ? netlink_unicast+0x650/0x650 [ 51.918959] ? security_socket_sendmsg+0x89/0xb0 [ 51.923693] ? netlink_unicast+0x650/0x650 [ 51.927910] sock_sendmsg+0xce/0x110 [ 51.931607] ___sys_sendmsg+0x70a/0x840 [ 51.935573] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 51.940485] ? __fget+0x210/0x370 [ 51.943922] ? find_held_lock+0x35/0x130 [ 51.947978] ? __fget+0x210/0x370 [ 51.951432] ? lock_downgrade+0x740/0x740 [ 51.955594] ? __fget+0x237/0x370 [ 51.959041] ? __fget_light+0x172/0x1f0 [ 51.963066] ? __fdget+0x1b/0x20 [ 51.966446] ? sockfd_lookup_light+0xb4/0x160 [ 51.970930] __sys_sendmsg+0xb9/0x140 [ 51.974725] ? SyS_shutdown+0x170/0x170 [ 51.978713] SyS_sendmsg+0x2d/0x50 [ 51.982265] ? __sys_sendmsg+0x140/0x140 [ 51.986334] do_syscall_64+0x1e8/0x640 [ 51.990218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.995062] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.000330] RIP: 0033:0x448cc9 [ 52.003520] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.011218] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 52.018484] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 52.025779] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 52.033046] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 52.040297] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 52.051567] batman_adv: batadv0: Adding interface: gretap0 [ 52.051576] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 52.051662] batman_adv: batadv0: Interface activated: gretap0 [ 52.090657] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 52.097348] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 52.100770] syz-executor840 (7277) used greatest stack depth: 24256 bytes left [ 52.106948] FAULT_INJECTION: forcing a failure. [ 52.106948] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.124222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.125306] CPU: 0 PID: 7279 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 52.131942] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.139281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.147995] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.156769] Call Trace: [ 52.156789] dump_stack+0x142/0x197 [ 52.156802] should_fail.cold+0x10f/0x159 [ 52.156815] __alloc_pages_nodemask+0x1d6/0x7a0 [ 52.156825] ? __alloc_pages_slowpath+0x2930/0x2930 [ 52.183898] ? check_preemption_disabled+0x3c/0x250 [ 52.188906] ? check_preemption_disabled+0x3c/0x250 [ 52.193909] alloc_pages_current+0xec/0x1e0 [ 52.198214] __get_free_pages+0xf/0x40 [ 52.202106] tlb_remove_table+0x115/0x1e0 [ 52.206318] ___pte_free_tlb+0x9e/0xd0 [ 52.210189] free_pgd_range+0x979/0xd10 [ 52.214160] free_pgtables+0x1fa/0x2b0 [ 52.218034] exit_mmap+0x294/0x4e0 [ 52.221553] ? SyS_munmap+0x30/0x30 [ 52.225163] ? kmem_cache_free+0x244/0x2b0 [ 52.229391] ? __khugepaged_exit+0xcf/0x3d0 [ 52.235178] ? mm_update_next_owner+0x450/0x5d0 [ 52.239825] mmput+0x114/0x440 [ 52.242998] do_exit+0x6fc/0x2c80 [ 52.246427] ? check_preemption_disabled+0x3c/0x250 [ 52.251423] ? find_held_lock+0x35/0x130 [ 52.255463] ? mm_update_next_owner+0x5d0/0x5d0 [ 52.260114] do_group_exit+0x111/0x330 [ 52.264001] get_signal+0x381/0x1cd0 [ 52.267698] do_signal+0x86/0x19a0 [ 52.271216] ? __fget+0x237/0x370 [ 52.274650] ? setup_sigcontext+0x7d0/0x7d0 [ 52.278955] ? __fdget+0x1b/0x20 [ 52.282302] ? sockfd_lookup_light+0xb4/0x160 [ 52.286792] ? __sys_sendmsg+0xd1/0x140 [ 52.290813] ? SyS_futex+0x215/0x310 [ 52.294517] ? SyS_futex+0x222/0x310 [ 52.298227] ? exit_to_usermode_loop+0x3d/0x220 [ 52.302884] exit_to_usermode_loop+0x15c/0x220 [ 52.307456] do_syscall_64+0x4bc/0x640 [ 52.311324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.316149] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.321337] RIP: 0033:0x448cc9 [ 52.324516] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 52.332207] RAX: fffffffffffffe00 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 52.339468] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dec68 [ 52.346723] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 52.353989] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 52.361240] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 52.370861] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.380645] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.390958] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.415763] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.424825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.425034] FAULT_INJECTION: forcing a failure. [ 52.425034] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.433179] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.444133] CPU: 0 PID: 7281 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 52.444138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.444142] Call Trace: [ 52.444156] dump_stack+0x142/0x197 [ 52.444170] should_fail.cold+0x10f/0x159 [ 52.444179] ? save_trace+0x290/0x290 [ 52.444191] __alloc_pages_nodemask+0x1d6/0x7a0 [ 52.444199] ? find_held_lock+0x35/0x130 [ 52.444206] ? __alloc_pages_slowpath+0x2930/0x2930 [ 52.444217] ? lock_downgrade+0x740/0x740 [ 52.444230] alloc_pages_current+0xec/0x1e0 [ 52.444238] __get_free_pages+0xf/0x40 [ 52.444246] __tlb_remove_page_size+0x2c5/0x4f0 [ 52.444254] unmap_page_range+0xb59/0x19f0 [ 52.444274] ? vm_normal_page_pmd+0x360/0x360 [ 52.444284] ? uprobe_munmap+0x94/0x210 [ 52.444294] unmap_single_vma+0x15d/0x2c0 [ 52.444304] unmap_vmas+0xac/0x170 [ 52.444315] exit_mmap+0x285/0x4e0 [ 52.444324] ? SyS_munmap+0x30/0x30 [ 52.444343] ? kmem_cache_free+0x244/0x2b0 [ 52.444353] ? __khugepaged_exit+0xcf/0x3d0 [ 52.444362] ? mm_update_next_owner+0x450/0x5d0 [ 52.444371] mmput+0x114/0x440 [ 52.444381] do_exit+0x6fc/0x2c80 [ 52.444389] ? check_preemption_disabled+0x3c/0x250 [ 52.444400] ? find_held_lock+0x35/0x130 [ 52.444408] ? mm_update_next_owner+0x5d0/0x5d0 [ 52.444422] do_group_exit+0x111/0x330 [ 52.444433] get_signal+0x381/0x1cd0 [ 52.444455] do_signal+0x86/0x19a0 [ 52.444463] ? __fget+0x237/0x370 [ 52.444476] ? setup_sigcontext+0x7d0/0x7d0 [ 52.444485] ? __fdget+0x1b/0x20 [ 52.444500] ? sockfd_lookup_light+0xb4/0x160 [ 52.444509] ? __sys_sendmsg+0xd1/0x140 [ 52.444520] ? SyS_futex+0x215/0x310 [ 52.444526] ? SyS_futex+0x222/0x310 [ 52.444536] ? exit_to_usermode_loop+0x3d/0x220 [ 52.444547] exit_to_usermode_loop+0x15c/0x220 [ 52.444556] do_syscall_64+0x4bc/0x640 [ 52.444563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.444576] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.444583] RIP: 0033:0x448cc9 [ 52.444587] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 52.444599] RAX: fffffffffffffe00 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 52.456618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.459599] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dec68 [ 52.459604] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 52.459609] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 52.459614] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 52.698709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.706438] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.716503] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.730759] FAULT_INJECTION: forcing a failure. [ 52.730759] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.742638] CPU: 0 PID: 7287 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 52.750527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.759907] Call Trace: [ 52.762502] dump_stack+0x142/0x197 [ 52.766149] should_fail.cold+0x10f/0x159 [ 52.770304] ? save_trace+0x290/0x290 [ 52.774111] __alloc_pages_nodemask+0x1d6/0x7a0 [ 52.779742] ? find_held_lock+0x35/0x130 [ 52.783814] ? __alloc_pages_slowpath+0x2930/0x2930 [ 52.788932] ? lock_downgrade+0x740/0x740 [ 52.793094] alloc_pages_current+0xec/0x1e0 [ 52.797454] __get_free_pages+0xf/0x40 [ 52.801349] __tlb_remove_page_size+0x2c5/0x4f0 [ 52.806027] unmap_page_range+0xb59/0x19f0 [ 52.810282] ? vm_normal_page_pmd+0x360/0x360 [ 52.814792] ? uprobe_munmap+0x94/0x210 [ 52.818773] unmap_single_vma+0x15d/0x2c0 [ 52.822926] unmap_vmas+0xac/0x170 [ 52.826473] exit_mmap+0x285/0x4e0 [ 52.830026] ? SyS_munmap+0x30/0x30 [ 52.833301] FAULT_INJECTION: forcing a failure. [ 52.833301] name failslab, interval 1, probability 0, space 0, times 0 [ 52.833660] ? kmem_cache_free+0x244/0x2b0 [ 52.833672] ? __khugepaged_exit+0xcf/0x3d0 [ 52.853448] ? mm_update_next_owner+0x450/0x5d0 [ 52.858101] mmput+0x114/0x440 [ 52.861277] do_exit+0x6fc/0x2c80 [ 52.864712] ? task_work_run+0xf0/0x190 [ 52.868680] ? find_held_lock+0x35/0x130 [ 52.872746] ? mm_update_next_owner+0x5d0/0x5d0 [ 52.877403] do_group_exit+0x111/0x330 [ 52.881278] get_signal+0x381/0x1cd0 [ 52.884981] do_signal+0x86/0x19a0 [ 52.888599] ? check_preemption_disabled+0x3c/0x250 [ 52.893597] ? __fget+0x237/0x370 [ 52.897045] ? kick_process+0xef/0x180 [ 52.900915] ? setup_sigcontext+0x7d0/0x7d0 [ 52.905219] ? task_work_add+0x8e/0xf0 [ 52.909091] ? __sys_sendmsg+0xd1/0x140 [ 52.913053] ? SyS_shutdown+0x170/0x170 [ 52.917130] ? exit_to_usermode_loop+0x3d/0x220 [ 52.921823] exit_to_usermode_loop+0x15c/0x220 [ 52.926412] do_syscall_64+0x4bc/0x640 [ 52.930285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.935128] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.940312] RIP: 0033:0x448cc9 [ 52.943485] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 52.951190] RAX: 0000000000000028 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 52.958531] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 52.965787] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 52.973042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 52.980312] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 52.988701] CPU: 1 PID: 7306 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 52.991827] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.996599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.006228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.012673] Call Trace: [ 53.012689] dump_stack+0x142/0x197 [ 53.012702] should_fail.cold+0x10f/0x159 [ 53.012715] should_failslab+0xdb/0x130 [ 53.012723] kmem_cache_alloc+0x47/0x780 [ 53.012733] ? lock_acquire+0x16f/0x430 [ 53.012739] ? check_preemption_disabled+0x3c/0x250 [ 53.012751] skb_clone+0x129/0x320 [ 53.012761] netlink_deliver_tap+0x681/0x8f0 [ 53.021134] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.022513] ? sock_ops_is_valid_access+0x70/0x70 [ 53.026559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.030252] __netlink_sendskb+0x49/0xa0 [ 53.030259] netlink_unicast+0x524/0x650 [ 53.030268] ? netlink_attachskb+0x6a0/0x6a0 [ 53.030278] netlink_ack+0x51d/0x9a0 [ 53.030286] ? netlink_sendmsg+0xc60/0xc60 [ 53.030297] netlink_rcv_skb+0x2fc/0x3c0 [ 53.030307] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 53.030316] ? netlink_ack+0x9a0/0x9a0 [ 53.030324] ? netlink_deliver_tap+0xba/0x8f0 [ 53.030333] rtnetlink_rcv+0x1d/0x30 [ 53.030338] netlink_unicast+0x44d/0x650 [ 53.030346] ? netlink_attachskb+0x6a0/0x6a0 [ 53.030356] ? security_netlink_send+0x81/0xb0 [ 53.030362] netlink_sendmsg+0x7c4/0xc60 [ 53.030372] ? netlink_unicast+0x650/0x650 [ 53.030381] ? security_socket_sendmsg+0x89/0xb0 [ 53.030387] ? netlink_unicast+0x650/0x650 [ 53.030396] sock_sendmsg+0xce/0x110 [ 53.030404] ___sys_sendmsg+0x70a/0x840 [ 53.030413] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 53.030421] ? __fget+0x210/0x370 [ 53.030435] ? find_held_lock+0x35/0x130 [ 53.030442] ? __fget+0x210/0x370 [ 53.030452] ? lock_downgrade+0x740/0x740 [ 53.030464] ? __fget+0x237/0x370 [ 53.030476] ? __fget_light+0x172/0x1f0 [ 53.030485] ? __fdget+0x1b/0x20 [ 53.030492] ? sockfd_lookup_light+0xb4/0x160 [ 53.030501] __sys_sendmsg+0xb9/0x140 [ 53.030508] ? SyS_shutdown+0x170/0x170 [ 53.030524] SyS_sendmsg+0x2d/0x50 [ 53.030529] ? __sys_sendmsg+0x140/0x140 [ 53.030539] do_syscall_64+0x1e8/0x640 [ 53.030546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.030560] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.030567] RIP: 0033:0x448cc9 [ 53.030571] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.030579] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 53.030586] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 53.040986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.042554] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 53.052062] FAULT_INJECTION: forcing a failure. [ 53.052062] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.055475] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 53.281175] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 53.288455] CPU: 0 PID: 7307 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 53.296343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.305698] Call Trace: [ 53.308294] dump_stack+0x142/0x197 [ 53.311931] should_fail.cold+0x10f/0x159 [ 53.316083] ? save_trace+0x290/0x290 [ 53.319888] __alloc_pages_nodemask+0x1d6/0x7a0 [ 53.324567] ? find_held_lock+0x35/0x130 [ 53.328633] ? __alloc_pages_slowpath+0x2930/0x2930 [ 53.333661] ? lock_downgrade+0x740/0x740 [ 53.337825] alloc_pages_current+0xec/0x1e0 [ 53.342163] __get_free_pages+0xf/0x40 [ 53.343698] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.346089] __tlb_remove_page_size+0x2c5/0x4f0 [ 53.346102] unmap_page_range+0xb59/0x19f0 [ 53.346122] ? vm_normal_page_pmd+0x360/0x360 [ 53.355625] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.356665] ? uprobe_munmap+0x94/0x210 [ 53.356678] unmap_single_vma+0x15d/0x2c0 [ 53.356689] unmap_vmas+0xac/0x170 [ 53.364203] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.365408] exit_mmap+0x285/0x4e0 [ 53.365418] ? SyS_munmap+0x30/0x30 [ 53.365436] ? kmem_cache_free+0x244/0x2b0 [ 53.375192] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.375468] ? __khugepaged_exit+0xcf/0x3d0 [ 53.379709] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.383127] ? mm_update_next_owner+0x450/0x5d0 [ 53.383136] mmput+0x114/0x440 [ 53.383146] do_exit+0x6fc/0x2c80 [ 53.383161] ? find_held_lock+0x35/0x130 [ 53.383167] ? mm_update_next_owner+0x5d0/0x5d0 [ 53.383185] do_group_exit+0x111/0x330 [ 53.383199] get_signal+0x381/0x1cd0 [ 53.392895] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.396425] do_signal+0x86/0x19a0 [ 53.396436] ? __fget+0x237/0x370 [ 53.396448] ? setup_sigcontext+0x7d0/0x7d0 [ 53.404151] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.406727] ? __fdget+0x1b/0x20 [ 53.406739] ? sockfd_lookup_light+0xb4/0x160 [ 53.406749] ? __sys_sendmsg+0xd1/0x140 [ 53.406760] ? SyS_futex+0x215/0x310 [ 53.414575] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.417126] ? SyS_futex+0x222/0x310 [ 53.425108] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.428453] ? exit_to_usermode_loop+0x3d/0x220 [ 53.428467] exit_to_usermode_loop+0x15c/0x220 [ 53.428479] do_syscall_64+0x4bc/0x640 [ 53.428485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.428501] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.436012] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.437233] RIP: 0033:0x448cc9 [ 53.437239] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 53.437249] RAX: 0000000000000001 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 53.437254] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dec6c [ 53.437259] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 53.437263] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000006dec6c [ 53.437270] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 53.444391] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.597408] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.606623] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.616862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.626214] FAULT_INJECTION: forcing a failure. [ 53.626214] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 53.638478] CPU: 1 PID: 7309 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 53.646364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.655714] Call Trace: [ 53.658302] dump_stack+0x142/0x197 [ 53.661943] should_fail.cold+0x10f/0x159 [ 53.666075] ? save_trace+0x290/0x290 [ 53.669857] __alloc_pages_nodemask+0x1d6/0x7a0 [ 53.674514] ? find_held_lock+0x35/0x130 [ 53.678557] ? __alloc_pages_slowpath+0x2930/0x2930 [ 53.683561] ? lock_downgrade+0x740/0x740 [ 53.687712] alloc_pages_current+0xec/0x1e0 [ 53.692030] __get_free_pages+0xf/0x40 [ 53.695908] __tlb_remove_page_size+0x2c5/0x4f0 [ 53.700565] unmap_page_range+0xb59/0x19f0 [ 53.704793] ? vm_normal_page_pmd+0x360/0x360 [ 53.709284] ? uprobe_munmap+0x94/0x210 [ 53.713276] unmap_single_vma+0x15d/0x2c0 [ 53.717413] unmap_vmas+0xac/0x170 [ 53.720950] exit_mmap+0x285/0x4e0 [ 53.724471] ? SyS_munmap+0x30/0x30 [ 53.728084] ? kmem_cache_free+0x244/0x2b0 [ 53.732314] ? __khugepaged_exit+0xcf/0x3d0 [ 53.736623] ? mm_update_next_owner+0x450/0x5d0 [ 53.741278] mmput+0x114/0x440 [ 53.744462] do_exit+0x6fc/0x2c80 [ 53.747903] ? check_preemption_disabled+0x3c/0x250 [ 53.752917] ? find_held_lock+0x35/0x130 [ 53.757013] ? mm_update_next_owner+0x5d0/0x5d0 [ 53.761682] do_group_exit+0x111/0x330 [ 53.765570] get_signal+0x381/0x1cd0 [ 53.769274] do_signal+0x86/0x19a0 [ 53.772803] ? __fget+0x237/0x370 [ 53.776290] ? setup_sigcontext+0x7d0/0x7d0 [ 53.780631] ? __fdget+0x1b/0x20 [ 53.784001] ? sockfd_lookup_light+0xb4/0x160 [ 53.788482] ? __sys_sendmsg+0xd1/0x140 [ 53.792450] ? SyS_futex+0x215/0x310 [ 53.796160] ? SyS_futex+0x222/0x310 [ 53.799879] ? exit_to_usermode_loop+0x3d/0x220 [ 53.804546] exit_to_usermode_loop+0x15c/0x220 [ 53.809114] do_syscall_64+0x4bc/0x640 [ 53.812993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.817968] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.823284] RIP: 0033:0x448cc9 [ 53.826467] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 53.834182] RAX: fffffffffffffe00 RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 53.841454] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dec68 [ 53.848722] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 53.855984] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 53.863257] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 53.872208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.879166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.886985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.894616] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.901019] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.907977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.915943] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.923501] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.929844] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.936754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.944411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.952363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.959910] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.967501] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.975136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.982728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.990486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.999565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.007129] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.016683] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.025220] FAULT_INJECTION: forcing a failure. [ 54.025220] name failslab, interval 1, probability 0, space 0, times 0 [ 54.036810] CPU: 1 PID: 7312 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 54.044692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.054053] Call Trace: [ 54.056631] dump_stack+0x142/0x197 [ 54.060245] should_fail.cold+0x10f/0x159 [ 54.064377] should_failslab+0xdb/0x130 [ 54.068333] kmem_cache_alloc_node+0x287/0x780 [ 54.072921] __alloc_skb+0x9c/0x500 [ 54.076558] ? skb_trim+0x180/0x180 [ 54.080170] ? if_nlmsg_size+0x38f/0x810 [ 54.084224] rtmsg_ifinfo_build_skb+0x72/0x140 [ 54.088801] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 54.093663] rtnetlink_event+0xf4/0x120 [ 54.097802] notifier_call_chain+0x111/0x1b0 [ 54.102199] raw_notifier_call_chain+0x2e/0x40 [ 54.106771] call_netdevice_notifiers_info+0x56/0x70 [ 54.111867] __netdev_upper_dev_link+0x1da/0x230 [ 54.116613] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 54.121366] ? lock_downgrade+0x740/0x740 [ 54.125504] netdev_master_upper_dev_link+0x32/0x40 [ 54.130516] batadv_hardif_enable_interface+0x1ef/0xa10 [ 54.135877] batadv_softif_slave_add+0x8b/0xf0 [ 54.140454] ? batadv_softif_slave_del+0xc0/0xc0 [ 54.145210] do_set_master+0x19f/0x200 [ 54.149287] do_setlink+0x99f/0x2c20 [ 54.153005] ? __lock_acquire+0x5f7/0x4620 [ 54.157378] ? rtnl_register+0x50/0x50 [ 54.161265] ? __lock_acquire+0x5f7/0x4620 [ 54.165601] ? lock_downgrade+0x740/0x740 [ 54.169753] ? trace_hardirqs_on+0x10/0x10 [ 54.173978] ? save_trace+0x290/0x290 [ 54.177811] ? __lock_acquire+0x5f7/0x4620 [ 54.182146] ? __lock_is_held+0xb6/0x140 [ 54.186207] ? save_trace+0x290/0x290 [ 54.189998] ? save_trace+0x290/0x290 [ 54.193794] ? __update_load_avg_se.isra.0+0x3ba/0x530 [ 54.199129] ? trace_hardirqs_on+0x10/0x10 [ 54.203375] ? validate_nla+0x201/0x5f0 [ 54.207362] ? nla_parse+0x186/0x240 [ 54.211079] rtnl_newlink+0x11a7/0x1700 [ 54.215082] ? rtnl_link_unregister+0x200/0x200 [ 54.219749] ? finish_task_switch+0x178/0x650 [ 54.224229] ? finish_task_switch+0x14d/0x650 [ 54.228723] ? __mutex_lock+0x951/0x1470 [ 54.232792] ? lock_downgrade+0x740/0x740 [ 54.236961] ? rtnl_link_unregister+0x200/0x200 [ 54.241680] rtnetlink_rcv_msg+0x3da/0xb70 [ 54.245905] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 54.250479] ? netlink_deliver_tap+0x93/0x8f0 [ 54.255001] netlink_rcv_skb+0x14f/0x3c0 [ 54.259058] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 54.263629] ? lock_downgrade+0x740/0x740 [ 54.267856] ? netlink_ack+0x9a0/0x9a0 [ 54.271765] ? netlink_deliver_tap+0xba/0x8f0 [ 54.276259] rtnetlink_rcv+0x1d/0x30 [ 54.279968] netlink_unicast+0x44d/0x650 [ 54.284051] ? netlink_attachskb+0x6a0/0x6a0 [ 54.288454] ? security_netlink_send+0x81/0xb0 [ 54.293038] netlink_sendmsg+0x7c4/0xc60 [ 54.297118] ? netlink_unicast+0x650/0x650 [ 54.301358] ? security_socket_sendmsg+0x89/0xb0 [ 54.306104] ? netlink_unicast+0x650/0x650 [ 54.310343] sock_sendmsg+0xce/0x110 [ 54.314065] ___sys_sendmsg+0x70a/0x840 [ 54.318031] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 54.322814] ? __fget+0x210/0x370 [ 54.326261] ? find_held_lock+0x35/0x130 [ 54.330327] ? __fget+0x210/0x370 [ 54.333780] ? lock_downgrade+0x740/0x740 [ 54.337923] ? __fget+0x237/0x370 [ 54.341390] ? __fget_light+0x172/0x1f0 [ 54.345358] ? __fdget+0x1b/0x20 [ 54.348721] ? sockfd_lookup_light+0xb4/0x160 [ 54.353226] __sys_sendmsg+0xb9/0x140 [ 54.357084] ? SyS_shutdown+0x170/0x170 [ 54.361061] SyS_sendmsg+0x2d/0x50 [ 54.364588] ? __sys_sendmsg+0x140/0x140 [ 54.368642] do_syscall_64+0x1e8/0x640 [ 54.372523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.377373] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.382546] RIP: 0033:0x448cc9 [ 54.385719] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 54.393520] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 54.400794] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 54.408052] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 54.415324] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 54.422578] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 54.432611] batman_adv: batadv0: Adding interface: gretap0 [ 54.438287] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.463373] batman_adv: batadv0: Interface activated: gretap0 [ 54.473722] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.482273] FAULT_INJECTION: forcing a failure. [ 54.482273] name failslab, interval 1, probability 0, space 0, times 0 [ 54.493690] CPU: 1 PID: 7313 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 54.501584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.510936] Call Trace: [ 54.513509] dump_stack+0x142/0x197 [ 54.517121] should_fail.cold+0x10f/0x159 [ 54.521266] should_failslab+0xdb/0x130 [ 54.525292] kmem_cache_alloc+0x2d7/0x780 [ 54.529420] ? memcpy+0x46/0x50 [ 54.532694] ? kstrdup+0x5a/0x70 [ 54.536048] __kernfs_new_node+0x70/0x480 [ 54.540195] kernfs_new_node+0x80/0xf0 [ 54.544087] kernfs_create_link+0x2c/0x170 [ 54.548315] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 54.553592] sysfs_create_link+0x65/0xc0 [ 54.557651] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 54.562398] ? napi_disable+0x90/0x90 [ 54.566208] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 54.571394] __netdev_upper_dev_link+0x1be/0x230 [ 54.576139] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 54.580887] ? lock_downgrade+0x740/0x740 [ 54.585026] netdev_master_upper_dev_link+0x32/0x40 [ 54.590033] batadv_hardif_enable_interface+0x1ef/0xa10 [ 54.595399] batadv_softif_slave_add+0x8b/0xf0 [ 54.599970] ? batadv_softif_slave_del+0xc0/0xc0 [ 54.604843] do_set_master+0x19f/0x200 [ 54.608717] do_setlink+0x99f/0x2c20 [ 54.612429] ? find_held_lock+0x35/0x130 [ 54.616481] ? load_balance+0xe36/0x2240 [ 54.620629] ? rtnl_register+0x50/0x50 [ 54.624521] ? __lock_acquire+0x5f7/0x4620 [ 54.628766] ? lock_downgrade+0x740/0x740 [ 54.632906] ? lock_pin_lock+0x390/0x390 [ 54.636953] ? do_raw_spin_unlock+0x16b/0x260 [ 54.641469] ? __lock_acquire+0x5f7/0x4620 [ 54.645698] ? save_trace+0x290/0x290 [ 54.649494] ? trace_hardirqs_on+0x10/0x10 [ 54.653713] ? validate_nla+0x201/0x5f0 [ 54.657691] ? nla_parse+0x186/0x240 [ 54.661401] rtnl_newlink+0x11a7/0x1700 [ 54.665385] ? rtnl_link_unregister+0x200/0x200 [ 54.670042] ? finish_task_switch+0x178/0x650 [ 54.674529] ? finish_task_switch+0x14d/0x650 [ 54.680235] ? __mutex_lock+0x951/0x1470 [ 54.684296] ? lock_downgrade+0x740/0x740 [ 54.688445] ? rtnl_link_unregister+0x200/0x200 [ 54.693096] rtnetlink_rcv_msg+0x3da/0xb70 [ 54.697314] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 54.701883] ? netlink_deliver_tap+0x93/0x8f0 [ 54.706368] netlink_rcv_skb+0x14f/0x3c0 [ 54.710419] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 54.715015] ? lock_downgrade+0x740/0x740 [ 54.719143] ? netlink_ack+0x9a0/0x9a0 [ 54.723020] ? netlink_deliver_tap+0xba/0x8f0 [ 54.727599] rtnetlink_rcv+0x1d/0x30 [ 54.731303] netlink_unicast+0x44d/0x650 [ 54.735349] ? netlink_attachskb+0x6a0/0x6a0 [ 54.739741] ? security_netlink_send+0x81/0xb0 [ 54.744320] netlink_sendmsg+0x7c4/0xc60 [ 54.748379] ? netlink_unicast+0x650/0x650 [ 54.752608] ? security_socket_sendmsg+0x89/0xb0 [ 54.757350] ? netlink_unicast+0x650/0x650 [ 54.761584] sock_sendmsg+0xce/0x110 [ 54.765462] ___sys_sendmsg+0x70a/0x840 [ 54.769432] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 54.774256] ? __fget+0x210/0x370 [ 54.777706] ? find_held_lock+0x35/0x130 [ 54.781757] ? __fget+0x210/0x370 [ 54.785212] ? lock_downgrade+0x740/0x740 [ 54.789341] ? __fget+0x237/0x370 [ 54.792812] ? __fget_light+0x172/0x1f0 [ 54.796802] ? __fdget+0x1b/0x20 [ 54.800188] ? sockfd_lookup_light+0xb4/0x160 [ 54.804692] __sys_sendmsg+0xb9/0x140 [ 54.808480] ? SyS_shutdown+0x170/0x170 [ 54.812447] SyS_sendmsg+0x2d/0x50 [ 54.815966] ? __sys_sendmsg+0x140/0x140 [ 54.820052] do_syscall_64+0x1e8/0x640 [ 54.823953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.828794] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.833981] RIP: 0033:0x448cc9 [ 54.837162] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 54.844856] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 54.852113] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 54.859368] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 54.866645] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 54.873940] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 54.883662] FAULT_INJECTION: forcing a failure. [ 54.883662] name failslab, interval 1, probability 0, space 0, times 0 [ 54.896047] CPU: 1 PID: 7315 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 54.903941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.913287] Call Trace: [ 54.915902] dump_stack+0x142/0x197 [ 54.919516] should_fail.cold+0x10f/0x159 [ 54.923648] should_failslab+0xdb/0x130 [ 54.927621] kmem_cache_alloc+0x2d7/0x780 [ 54.931787] ? memcpy+0x46/0x50 [ 54.935057] ? kstrdup+0x5a/0x70 [ 54.938408] __kernfs_new_node+0x70/0x480 [ 54.942551] kernfs_new_node+0x80/0xf0 [ 54.946423] kernfs_create_link+0x2c/0x170 [ 54.950647] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 54.955935] sysfs_create_link+0x65/0xc0 [ 54.960005] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 54.964758] ? napi_disable+0x90/0x90 [ 54.968727] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 54.973915] __netdev_upper_dev_link+0x1be/0x230 [ 54.978665] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 54.983422] ? lock_downgrade+0x740/0x740 [ 54.987555] netdev_master_upper_dev_link+0x32/0x40 [ 54.992576] batadv_hardif_enable_interface+0x1ef/0xa10 [ 54.997947] batadv_softif_slave_add+0x8b/0xf0 [ 55.002516] ? batadv_softif_slave_del+0xc0/0xc0 [ 55.007259] do_set_master+0x19f/0x200 [ 55.011139] do_setlink+0x99f/0x2c20 [ 55.014857] ? rtnl_register+0x50/0x50 [ 55.018737] ? save_trace+0x290/0x290 [ 55.022529] ? trace_hardirqs_on+0x10/0x10 [ 55.026745] ? save_trace+0x290/0x290 [ 55.030534] ? find_held_lock+0x35/0x130 [ 55.034586] ? free_one_page+0x9e9/0x1040 [ 55.038715] ? find_held_lock+0x35/0x130 [ 55.042757] ? free_one_page+0x9e9/0x1040 [ 55.046887] ? lock_downgrade+0x740/0x740 [ 55.051023] ? trace_hardirqs_off+0xd/0x10 [ 55.055296] ? bad_range+0x296/0x400 [ 55.059050] ? do_raw_spin_unlock+0x16b/0x260 [ 55.063631] ? validate_nla+0x201/0x5f0 [ 55.067600] ? nla_parse+0x186/0x240 [ 55.071316] rtnl_newlink+0x11a7/0x1700 [ 55.075299] ? rtnl_link_unregister+0x200/0x200 [ 55.079973] ? finish_task_switch+0x489/0x650 [ 55.084467] ? __mutex_lock+0x951/0x1470 [ 55.088520] ? lock_downgrade+0x740/0x740 [ 55.092697] ? rtnl_link_unregister+0x200/0x200 [ 55.097369] rtnetlink_rcv_msg+0x3da/0xb70 [ 55.101600] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 55.106171] ? netlink_deliver_tap+0x93/0x8f0 [ 55.110670] netlink_rcv_skb+0x14f/0x3c0 [ 55.114726] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 55.119303] ? lock_downgrade+0x740/0x740 [ 55.123448] ? netlink_ack+0x9a0/0x9a0 [ 55.127344] ? netlink_deliver_tap+0xba/0x8f0 [ 55.131858] rtnetlink_rcv+0x1d/0x30 [ 55.135572] netlink_unicast+0x44d/0x650 [ 55.139626] ? netlink_attachskb+0x6a0/0x6a0 [ 55.144036] ? security_netlink_send+0x81/0xb0 [ 55.148601] netlink_sendmsg+0x7c4/0xc60 [ 55.152656] ? netlink_unicast+0x650/0x650 [ 55.156887] ? security_socket_sendmsg+0x89/0xb0 [ 55.161634] ? netlink_unicast+0x650/0x650 [ 55.165896] sock_sendmsg+0xce/0x110 [ 55.169616] ___sys_sendmsg+0x70a/0x840 [ 55.173580] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 55.178449] ? __fget+0x210/0x370 [ 55.181892] ? find_held_lock+0x35/0x130 [ 55.185939] ? __fget+0x210/0x370 [ 55.189379] ? lock_downgrade+0x740/0x740 [ 55.193520] ? __fget+0x237/0x370 [ 55.196976] ? __fget_light+0x172/0x1f0 [ 55.200951] ? __fdget+0x1b/0x20 [ 55.204302] ? sockfd_lookup_light+0xb4/0x160 [ 55.208792] __sys_sendmsg+0xb9/0x140 [ 55.212584] ? SyS_shutdown+0x170/0x170 [ 55.216573] SyS_sendmsg+0x2d/0x50 [ 55.220102] ? __sys_sendmsg+0x140/0x140 [ 55.224154] do_syscall_64+0x1e8/0x640 [ 55.228033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.241997] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.247171] RIP: 0033:0x448cc9 [ 55.250347] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 55.258052] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 55.265306] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 55.272566] RBP: 00000000006dec60 R08: 0000000000000002 R09: 0000000000003531 [ 55.279894] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 55.287156] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 55.296645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.303979] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.312292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.319773] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.327423] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.335200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.346505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 55.356444] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.362810] FAULT_INJECTION: forcing a failure. [ 55.362810] name fail_futex, interval 1, probability 0, space 0, times 1 [ 55.370229] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.374765] CPU: 0 PID: 7317 Comm: syz-executor840 Not tainted 4.14.161-syzkaller #0 [ 55.388487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.389128] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.397843] Call Trace: [ 55.397861] dump_stack+0x142/0x197 [ 55.397875] should_fail.cold+0x10f/0x159 [ 55.397886] get_futex_key+0xb88/0x1400 [ 55.397899] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 55.397910] ? futex_lock_pi_atomic+0x220/0x220 [ 55.404928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.406550] ? rcu_read_lock_sched_held+0x110/0x130 [ 55.406559] ? kmem_cache_free+0x244/0x2b0 [ 55.406570] futex_wait_setup+0xbd/0x2f0 [ 55.417989] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 55.418295] ? netlink_unicast+0x2a9/0x650 [ 55.418306] ? futex_cleanup+0xc60/0xc60 [ 55.425800] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.429220] ? should_fail+0x355/0x41e [ 55.429229] ? netlink_attachskb+0x6a0/0x6a0 [ 55.429239] futex_wait+0x1d7/0x580 [ 55.441564] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.444989] ? get_futex_key+0x76d/0x1400 [ 55.445000] ? futex_wait_setup+0x2f0/0x2f0 [ 55.455266] ? futex_lock_pi_atomic+0x220/0x220 [ 55.455273] ? check_preemption_disabled+0x3c/0x250 [ 55.455281] ? hash_futex+0x15/0x210 [ 55.455290] ? drop_futex_key_refs.isra.0+0x56/0xb0 [ 55.455297] ? futex_wake+0x134/0x430 [ 55.455307] ? ___sys_sendmsg+0x44d/0x840 [ 55.455323] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 55.470183] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 55.473670] do_futex+0x14a/0x19e0 [ 55.473682] ? __fget+0x210/0x370 [ 55.540704] ? lock_downgrade+0x6f0/0x740 [ 55.544934] ? futex_exit_release+0x70/0x70 [ 55.549236] ? __fget+0x237/0x370 [ 55.552683] ? __fget_light+0x172/0x1f0 [ 55.556652] ? __fdget+0x1b/0x20 [ 55.560015] ? sockfd_lookup_light+0xb4/0x160 [ 55.564520] ? fput+0xd4/0x150 [ 55.567700] ? __sys_sendmsg+0xd1/0x140 [ 55.571672] SyS_futex+0x215/0x310 [ 55.575220] ? do_futex+0x19e0/0x19e0 [ 55.579009] ? do_syscall_64+0x53/0x640 [ 55.582969] ? do_futex+0x19e0/0x19e0 [ 55.586763] do_syscall_64+0x1e8/0x640 [ 55.590633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.595459] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.600636] RIP: 0033:0x448cc9 [ 55.603811] RSP: 002b:00007fbeacde2d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 55.611507] RAX: ffffffffffffffda RBX: 00000000006dec68 RCX: 0000000000448cc9 [ 55.618760] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dec68 [ 55.626215] RBP: 00000000006dec60 R08: 0000000000003531 R09: 0000000000003531 [ 55.633471] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dec6c [ 55.640722] R13: 00007fbeacde2d80 R14: 0000000000000006 R15: 0825001000000028 [ 55.652418] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 55.664950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.665254] ------------[ cut here ]------------ [ 55.674417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.676984] WARNING: CPU: 1 PID: 5 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.676990] Kernel panic - not syncing: panic_on_warn set ... [ 55.676990] [ 55.685240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.695256] CPU: 1 PID: 5 Comm: kworker/u4:0 Not tainted 4.14.161-syzkaller #0 [ 55.695261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.695277] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 55.695287] Call Trace: [ 55.695299] dump_stack+0x142/0x197 [ 55.695310] panic+0x1f9/0x42d [ 55.695320] ? add_taint.cold+0x16/0x16 [ 55.703184] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.709252] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.709266] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.709273] __warn.cold+0x2f/0x2f [ 55.709288] ? ist_end_non_atomic+0x10/0x10 [ 55.722048] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.726008] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.735499] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.736116] report_bug+0x216/0x254 [ 55.747704] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 55.753469] do_error_trap+0x1bb/0x310 [ 55.753478] ? math_error+0x360/0x360 [ 55.753486] ? debug_object_deactivate+0x1cc/0x350 [ 55.753495] ? find_held_lock+0x35/0x130 [ 55.753508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.753518] do_invalid_op+0x1b/0x20 [ 55.753527] invalid_op+0x1b/0x40 [ 55.753538] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.753543] RSP: 0018:ffff8880a9cdfcc8 EFLAGS: 00010297 [ 55.753551] RAX: ffff8880a9cd2140 RBX: ffff88809ba5b388 RCX: ffff8880a9cd29c0 [ 55.753555] RDX: 0000000000000000 RSI: ffffffff87f888e0 RDI: ffff88809453c828 [ 55.753559] RBP: ffff8880a9cdfd38 R08: 0000000000003ddb R09: ffffffff8957e918 [ 55.753563] R10: ffff8880a9cd29e8 R11: ffff8880a9cd2140 R12: ffff8880856d1cc0 [ 55.753568] R13: ffff88809ba5b340 R14: ffff88808d2f7a80 R15: ffff88809453c7c0 [ 55.753587] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 55.753603] process_one_work+0x863/0x1600 [ 55.753615] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 55.753627] worker_thread+0x5d9/0x1050 [ 55.753645] kthread+0x319/0x430 [ 55.753651] ? process_one_work+0x1600/0x1600 [ 55.753660] ? kthread_create_on_node+0xd0/0xd0 [ 55.762033] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.766644] ret_from_fork+0x24/0x30 [ 55.771410] Kernel Offset: disabled [ 55.927364] Rebooting in 86400 seconds..