[ 33.295603] audit: type=1800 audit(1556150718.574:34): pid=6944 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: [ 37.680366] random: sshd: uninitialized urandom read (32 bytes read) [ 38.121606] audit: type=1400 audit(1556150723.434:35): avc: denied { map } for pid=7116 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 [ 38.166419] random: sshd: uninitialized urandom read (32 bytes read) [ 38.752605] random: sshd: uninitialized urandom read (32 bytes read) [ 735.882854] audit: type=1400 audit(1556151421.194:36): avc: denied { map } for pid=7124 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 951.979841] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.152' (ECDSA) to the list of known hosts. [ 957.528187] random: sshd: uninitialized urandom read (32 bytes read) [ 957.716812] audit: type=1400 audit(1556151643.024:37): avc: denied { map } for pid=7131 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/04/25 00:20:43 parsed 1 programs [ 958.524322] audit: type=1400 audit(1556151643.834:38): avc: denied { map } for pid=7131 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=2260 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 959.512957] random: cc1: uninitialized urandom read (8 bytes read) 2019/04/25 00:20:46 executed programs: 0 [ 960.830111] audit: type=1400 audit(1556151646.134:39): avc: denied { map } for pid=7131 comm="syz-execprog" path="/root/syzkaller-shm839261110" dev="sda1" ino=2233 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 960.895174] IPVS: ftp: loaded support on port[0] = 21 [ 961.143256] IPVS: ftp: loaded support on port[0] = 21 [ 961.159278] chnl_net:caif_netlink_parms(): no params data found [ 961.215580] bridge0: port 1(bridge_slave_0) entered blocking state [ 961.222391] bridge0: port 1(bridge_slave_0) entered disabled state [ 961.229630] device bridge_slave_0 entered promiscuous mode [ 961.239109] bridge0: port 2(bridge_slave_1) entered blocking state [ 961.245609] bridge0: port 2(bridge_slave_1) entered disabled state [ 961.252765] device bridge_slave_1 entered promiscuous mode [ 961.275537] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 961.284406] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 961.311818] IPVS: ftp: loaded support on port[0] = 21 [ 961.320755] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 961.328487] team0: Port device team_slave_0 added [ 961.334415] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 961.342313] team0: Port device team_slave_1 added [ 961.348898] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 961.356431] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 961.442252] device hsr_slave_0 entered promiscuous mode [ 961.490622] device hsr_slave_1 entered promiscuous mode [ 961.556788] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 961.573607] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 961.587682] chnl_net:caif_netlink_parms(): no params data found [ 961.625741] bridge0: port 2(bridge_slave_1) entered blocking state [ 961.632480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 961.639407] bridge0: port 1(bridge_slave_0) entered blocking state [ 961.645922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 961.664200] IPVS: ftp: loaded support on port[0] = 21 [ 961.698588] bridge0: port 1(bridge_slave_0) entered blocking state [ 961.705117] bridge0: port 1(bridge_slave_0) entered disabled state [ 961.712234] device bridge_slave_0 entered promiscuous mode [ 961.719066] bridge0: port 2(bridge_slave_1) entered blocking state [ 961.725560] bridge0: port 2(bridge_slave_1) entered disabled state [ 961.733160] device bridge_slave_1 entered promiscuous mode [ 961.786898] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 961.814970] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 961.822849] chnl_net:caif_netlink_parms(): no params data found [ 961.869240] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 961.876935] team0: Port device team_slave_0 added [ 961.882661] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 961.889877] team0: Port device team_slave_1 added [ 961.904957] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 961.913426] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 961.921762] IPVS: ftp: loaded support on port[0] = 21 [ 961.957427] bridge0: port 1(bridge_slave_0) entered blocking state [ 961.965554] bridge0: port 1(bridge_slave_0) entered disabled state [ 961.973049] device bridge_slave_0 entered promiscuous mode [ 962.033241] device hsr_slave_0 entered promiscuous mode [ 962.070443] device hsr_slave_1 entered promiscuous mode [ 962.120763] bridge0: port 2(bridge_slave_1) entered blocking state [ 962.127170] bridge0: port 2(bridge_slave_1) entered disabled state [ 962.135221] device bridge_slave_1 entered promiscuous mode [ 962.157409] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 962.188971] bridge0: port 1(bridge_slave_0) entered disabled state [ 962.197151] bridge0: port 2(bridge_slave_1) entered disabled state [ 962.207919] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 962.222335] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 962.234641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 962.273806] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 962.293942] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 962.317606] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 962.324949] team0: Port device team_slave_0 added [ 962.334717] chnl_net:caif_netlink_parms(): no params data found [ 962.343319] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 962.350949] team0: Port device team_slave_1 added [ 962.359068] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 962.366722] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 962.376557] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 962.405545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 962.414740] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 962.426896] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 962.433299] 8021q: adding VLAN 0 to HW filter on device team0 [ 962.442190] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 962.448781] IPVS: ftp: loaded support on port[0] = 21 [ 962.482730] device hsr_slave_0 entered promiscuous mode [ 962.520535] device hsr_slave_1 entered promiscuous mode [ 962.562251] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 962.596177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 962.605194] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 962.613045] bridge0: port 1(bridge_slave_0) entered blocking state [ 962.619461] bridge0: port 1(bridge_slave_0) entered forwarding state [ 962.626907] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 962.636950] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 962.645793] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 962.658998] bridge0: port 1(bridge_slave_0) entered blocking state [ 962.665661] bridge0: port 1(bridge_slave_0) entered disabled state [ 962.674330] device bridge_slave_0 entered promiscuous mode [ 962.681117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 962.689033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 962.697326] bridge0: port 2(bridge_slave_1) entered blocking state [ 962.704050] bridge0: port 2(bridge_slave_1) entered forwarding state [ 962.724241] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 962.737719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 962.751947] bridge0: port 2(bridge_slave_1) entered blocking state [ 962.758517] bridge0: port 2(bridge_slave_1) entered disabled state [ 962.766513] device bridge_slave_1 entered promiscuous mode [ 962.792422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 962.808179] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 962.848028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 962.860961] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 962.871340] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 962.880373] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 962.892463] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 962.922286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 962.930947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 962.938525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 962.946633] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 962.954391] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 962.963965] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 962.992514] chnl_net:caif_netlink_parms(): no params data found [ 963.002429] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 963.011153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 963.022910] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 963.030294] team0: Port device team_slave_0 added [ 963.035990] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 963.043779] team0: Port device team_slave_1 added [ 963.062812] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 963.070826] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 963.081076] 8021q: adding VLAN 0 to HW filter on device bond0 [ 963.094511] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 963.102279] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 963.111835] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 963.117899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 963.125573] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 963.182196] device hsr_slave_0 entered promiscuous mode [ 963.240506] device hsr_slave_1 entered promiscuous mode [ 963.309759] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 963.316343] 8021q: adding VLAN 0 to HW filter on device bond0 [ 963.329918] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 963.346006] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 963.355350] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 963.363219] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 963.371938] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 963.386672] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 963.399044] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 963.409988] bridge0: port 1(bridge_slave_0) entered blocking state [ 963.417456] bridge0: port 1(bridge_slave_0) entered disabled state [ 963.425376] device bridge_slave_0 entered promiscuous mode [ 963.433973] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 963.445252] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 963.451631] 8021q: adding VLAN 0 to HW filter on device team0 [ 963.467404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 963.476897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 963.484079] bridge0: port 2(bridge_slave_1) entered blocking state [ 963.490789] bridge0: port 2(bridge_slave_1) entered disabled state [ 963.497685] device bridge_slave_1 entered promiscuous mode [ 963.513272] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 963.522048] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 963.542151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 963.549908] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 963.558428] bridge0: port 1(bridge_slave_0) entered blocking state [ 963.564829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 963.572784] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 963.579829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 963.587320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 963.596746] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 963.605120] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 963.611846] 8021q: adding VLAN 0 to HW filter on device team0 [ 963.620509] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 963.649616] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 963.659833] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 963.670987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 963.678814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 963.686798] bridge0: port 1(bridge_slave_0) entered blocking state [ 963.693236] bridge0: port 1(bridge_slave_0) entered forwarding state [ 963.700654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 963.708496] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 963.716317] bridge0: port 2(bridge_slave_1) entered blocking state [ 963.722754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 963.733713] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 963.786550] chnl_net:caif_netlink_parms(): no params data found [ 963.798147] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 963.825612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 963.834166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 963.843730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 963.851674] bridge0: port 2(bridge_slave_1) entered blocking state [ 963.858025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 963.866806] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 963.887529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 963.895545] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 963.904509] team0: Port device team_slave_0 added [ 963.911667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 963.928144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 963.939575] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 963.951504] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 963.958696] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 963.966602] team0: Port device team_slave_1 added [ 963.972838] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 963.980597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 963.988201] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 963.996176] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 964.003803] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 964.013647] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 964.022680] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 964.041701] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 964.058520] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 964.066373] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 964.074381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 964.084839] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 964.115882] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 964.124286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 964.132162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 964.139593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 964.148349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 964.156295] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 964.167551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 964.225295] device hsr_slave_0 entered promiscuous mode [ 964.270428] device hsr_slave_1 entered promiscuous mode [ 964.331100] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 964.338338] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 964.347618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 964.356010] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 964.366201] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 964.373812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 964.381118] bridge0: port 1(bridge_slave_0) entered blocking state [ 964.387473] bridge0: port 1(bridge_slave_0) entered disabled state [ 964.395223] device bridge_slave_0 entered promiscuous mode [ 964.413043] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 964.427340] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 964.440485] bridge0: port 2(bridge_slave_1) entered blocking state [ 964.446895] bridge0: port 2(bridge_slave_1) entered disabled state [ 964.455198] device bridge_slave_1 entered promiscuous mode [ 964.466747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 964.482078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 964.490928] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 964.532063] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 964.541059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 964.548834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 964.562000] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 964.570608] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 964.580416] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 964.597506] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 964.605702] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 964.619513] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 964.626013] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 964.635200] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 964.658356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 964.678933] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 964.687297] team0: Port device team_slave_0 added [ 964.694964] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 964.705301] 8021q: adding VLAN 0 to HW filter on device bond0 [ 964.714078] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 964.724048] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 964.731677] team0: Port device team_slave_1 added [ 964.737128] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 964.749042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 964.757440] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 964.783147] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 964.792321] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 964.799537] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 964.807643] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 964.815598] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 964.863813] device hsr_slave_0 entered promiscuous mode [ 964.900404] device hsr_slave_1 entered promiscuous mode [ 964.940702] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 964.948509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 964.955642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 964.966238] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 964.977156] 8021q: adding VLAN 0 to HW filter on device team0 [ 964.983991] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 964.992642] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 964.999008] 8021q: adding VLAN 0 to HW filter on device team0 [ 965.009530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 965.018053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 965.026083] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 965.034931] bridge0: port 1(bridge_slave_0) entered blocking state [ 965.041338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 965.055294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 965.066951] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 965.074936] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 965.083999] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 965.092563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 965.100474] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 965.108088] bridge0: port 1(bridge_slave_0) entered blocking state [ 965.114496] bridge0: port 1(bridge_slave_0) entered forwarding state [ 965.122682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 965.130566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 965.138173] bridge0: port 2(bridge_slave_1) entered blocking state [ 965.144609] bridge0: port 2(bridge_slave_1) entered forwarding state [ 965.154583] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 965.168970] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 965.177278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 965.185476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 965.197046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 965.204991] bridge0: port 2(bridge_slave_1) entered blocking state [ 965.211377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 965.218965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 965.232635] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 965.240351] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 965.262923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 965.277388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 965.285670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 965.294363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 965.302383] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 965.317733] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 965.329275] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 965.336854] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 965.345710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 965.353591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 965.365843] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 965.380777] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 965.386959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 965.395800] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 965.402693] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 965.414544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 965.423143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 965.431048] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 965.438989] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 965.447515] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 965.455706] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 965.463097] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 965.471671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 965.479254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 965.487082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 965.494047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 965.501633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 965.509251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 965.521669] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 965.531060] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 965.543801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 965.552565] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 965.561085] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 965.568458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 965.576247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 965.584296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 965.591839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 965.601352] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 965.607365] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 965.616753] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 965.623072] 8021q: adding VLAN 0 to HW filter on device team0 [ 965.631381] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 965.637861] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 965.654190] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 965.665833] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 965.674996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 965.683399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 965.691287] bridge0: port 1(bridge_slave_0) entered blocking state [ 965.697612] bridge0: port 1(bridge_slave_0) entered forwarding state [ 965.704851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 965.726566] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 965.734151] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 965.745335] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 965.753079] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 965.759729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 965.769292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 965.777123] bridge0: port 2(bridge_slave_1) entered blocking state [ 965.783517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 965.790953] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 965.802093] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 965.815246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 965.824599] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 965.834120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 965.841694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 965.849625] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 965.859883] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 965.867845] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 965.879967] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 965.887841] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 965.898105] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 965.907027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 965.915011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 965.925400] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 965.933596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 965.941891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 965.951878] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 965.957920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 965.976092] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 965.986741] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/04/25 00:20:51 executed programs: 16 2019/04/25 00:20:56 executed programs: 249 2019/04/25 00:21:01 executed programs: 510 [ 1144.800301] INFO: task syz-executor.5:9453 blocked for more than 140 seconds. [ 1144.807765] Not tainted 4.14.113 #3 [ 1144.817763] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.825837] syz-executor.5 D28528 9453 7157 0x80000000 [ 1144.837250] Call Trace: [ 1144.840031] __schedule+0x7be/0x1cf0 [ 1144.843972] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1144.848993] ? _raw_spin_unlock_irq+0x28/0x90 [ 1144.858338] schedule+0x92/0x1c0 [ 1144.861766] rwsem_down_read_failed+0x1f4/0x380 [ 1144.866437] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 1144.877280] call_rwsem_down_read_failed+0x18/0x30 [ 1144.883082] down_read+0x49/0xb0 [ 1144.886453] ? do_exit+0x3d2/0x2c10 [ 1144.894845] do_exit+0x3d2/0x2c10 [ 1144.898322] ? find_held_lock+0x35/0x130 [ 1144.903212] ? mm_update_next_owner+0x5d0/0x5d0 [ 1144.907907] ? _raw_spin_unlock_irq+0x28/0x90 [ 1144.917122] ? trace_hardirqs_on_caller+0x400/0x590 [ 1144.922216] do_group_exit+0x111/0x330 [ 1144.926119] SyS_exit_group+0x1d/0x20 [ 1144.934806] ? do_group_exit+0x330/0x330 [ 1144.938897] do_syscall_64+0x1eb/0x630 [ 1144.943027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.947902] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.957858] RIP: 0033:0x458d99 [ 1144.961821] RSP: 002b:00007ffc3994b4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1144.969544] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458d99 [ 1144.981959] RDX: 0000000000412b51 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 1144.989293] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffc3994b510 [ 1144.999446] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 1145.009541] R13: 00007ffc3994b510 R14: 0000000000000000 R15: 00007ffc3994b520 [ 1145.019545] INFO: task syz-executor.5:9456 blocked for more than 140 seconds. [ 1145.029706] Not tainted 4.14.113 #3 [ 1145.037332] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.049028] syz-executor.5 D29136 9456 7157 0x80000000 [ 1145.057824] Call Trace: [ 1145.062774] __schedule+0x7be/0x1cf0 [ 1145.066503] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.073970] ? _raw_spin_unlock_irq+0x28/0x90 [ 1145.078481] schedule+0x92/0x1c0 [ 1145.084296] rwsem_down_read_failed+0x1f4/0x380 [ 1145.088990] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 1145.098433] call_rwsem_down_read_failed+0x18/0x30 [ 1145.105792] down_read+0x49/0xb0 [ 1145.109176] ? do_exit+0x3d2/0x2c10 [ 1145.115225] do_exit+0x3d2/0x2c10 [ 1145.118695] ? save_trace+0x290/0x290 [ 1145.125775] ? trace_hardirqs_on_caller+0x400/0x590 [ 1145.134427] ? find_held_lock+0x35/0x130 [ 1145.138507] ? mm_update_next_owner+0x5d0/0x5d0 [ 1145.145716] do_group_exit+0x111/0x330 [ 1145.149633] get_signal+0x348/0x1a80 [ 1145.155813] ? trace_hardirqs_on+0x10/0x10 [ 1145.162532] ? save_trace+0x290/0x290 [ 1145.166340] ? trace_hardirqs_on+0x10/0x10 [ 1145.173047] do_signal+0x86/0x1980 [ 1145.176613] ? setup_sigcontext+0x7d0/0x7d0 [ 1145.183392] ? kasan_check_read+0x11/0x20 [ 1145.187549] ? _copy_to_user+0x87/0xd0 [ 1145.193859] ? SyS_futex+0x215/0x302 [ 1145.197582] ? SyS_futex+0x222/0x302 [ 1145.203728] ? exit_to_usermode_loop+0x3d/0x220 [ 1145.208411] exit_to_usermode_loop+0x15c/0x220 [ 1145.215438] do_syscall_64+0x4a9/0x630 [ 1145.219427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.227454] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.234984] RIP: 0033:0x458d99 [ 1145.238184] RSP: 002b:00007f9d15fe2cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1145.248433] RAX: fffffffffffffe00 RBX: 000000000073bf08 RCX: 0000000000458d99 [ 1145.258216] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bf08 [ 1145.268029] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1145.277766] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073bf0c [ 1145.289796] R13: 00007ffc3994b2af R14: 00007f9d15fe39c0 R15: 000000000073bf0c [ 1145.299442] [ 1145.299442] Showing all locks held in the system: [ 1145.308209] 1 lock held by khungtaskd/1009: [ 1145.312717] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1145.323325] 2 locks held by getty/7104: [ 1145.327299] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.336032] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.345372] 2 locks held by getty/7105: [ 1145.349339] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.358102] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.367500] 2 locks held by getty/7106: [ 1145.371544] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.380278] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.389590] 2 locks held by getty/7107: [ 1145.393924] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.402751] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.412098] 2 locks held by getty/7108: [ 1145.416071] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.424833] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.434282] 2 locks held by getty/7109: [ 1145.438273] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.447184] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.456592] 2 locks held by getty/7110: [ 1145.460615] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1145.469344] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1145.478739] 1 lock held by syz-executor.5/9453: [ 1145.483449] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 1145.491597] 1 lock held by syz-executor.5/9456: [ 1145.496268] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 1145.504445] [ 1145.506076] ============================================= [ 1145.506076] [ 1145.520460] NMI backtrace for cpu 0 [ 1145.524118] CPU: 0 PID: 1009 Comm: khungtaskd Not tainted 4.14.113 #3 [ 1145.530701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.540056] Call Trace: [ 1145.542724] dump_stack+0x138/0x19c [ 1145.546380] nmi_cpu_backtrace.cold+0x57/0x94 [ 1145.550888] ? irq_force_complete_move.cold+0x7d/0x7d [ 1145.556090] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1145.561379] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1145.566571] watchdog+0x5e7/0xb90 [ 1145.570028] kthread+0x31c/0x430 [ 1145.573391] ? hungtask_pm_notify+0x60/0x60 [ 1145.577738] ? kthread_create_on_node+0xd0/0xd0 [ 1145.582415] ret_from_fork+0x3a/0x50 [ 1145.586345] Sending NMI from CPU 0 to CPUs 1: [ 1145.591235] NMI backtrace for cpu 1 [ 1145.591240] CPU: 1 PID: 9467 Comm: syz-executor.5 Not tainted 4.14.113 #3 [ 1145.591244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.591247] task: ffff888082b56240 task.stack: ffff888086280000 [ 1145.591250] RIP: 0010:lock_release+0xb/0x940 [ 1145.591253] RSP: 0018:ffff888086287b28 EFLAGS: 00000292 [ 1145.591259] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 1145.591262] RDX: ffffffff816d569e RSI: 0000000000000001 RDI: ffff88808b332580 [ 1145.591266] RBP: ffff888086287bc8 R08: dffffc0000000000 R09: ffffffff88c9fd28 [ 1145.591270] R10: ffff888086287bd8 R11: ffff888082b56240 R12: ffff888083068250 [ 1145.591273] R13: 1ffff11010c50f6c R14: ffff888086287b80 R15: ffff88808b332520 [ 1145.591277] FS: 00007f9d15fc2700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 1145.591280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1145.591284] CR2: 00007ff095bde140 CR3: 000000009cf06000 CR4: 00000000001406e0 [ 1145.591287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1145.591291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1145.591293] Call Trace: [ 1145.591296] ? __mutex_unlock_slowpath+0x71/0x800 [ 1145.591299] ? wait_for_completion+0x420/0x420 [ 1145.591301] mutex_unlock+0xd/0x10 [ 1145.591303] perf_mmap+0x64e/0x13f0 [ 1145.591306] mmap_region+0x858/0x1030 [ 1145.591308] do_mmap+0x5b8/0xcd0 [ 1145.591311] vm_mmap_pgoff+0x17a/0x1d0 [ 1145.591314] ? vma_is_stack_for_current+0xa0/0xa0 [ 1145.591316] ? __fget+0x237/0x370 [ 1145.591319] SyS_mmap_pgoff+0x3ca/0x520 [ 1145.591322] ? find_mergeable_anon_vma+0x2c0/0x2c0 [ 1145.591324] ? do_syscall_64+0x53/0x630 [ 1145.591327] ? align_vdso_addr+0x60/0x60 [ 1145.591329] SyS_mmap+0x16/0x20 [ 1145.591332] do_syscall_64+0x1eb/0x630 [ 1145.591335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.591337] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.591340] RIP: 0033:0x458d99 [ 1145.591343] RSP: 002b:00007f9d15fc1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 1145.591349] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458d99 [ 1145.591352] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 1145.591356] RBP: 000000000073bfa0 R08: 0000000000000003 R09: 0000000000000000 [ 1145.591359] R10: 0000000000001011 R11: 0000000000000246 R12: 00007f9d15fc26d4 [ 1145.591363] R13: 00000000004c4d23 R14: 00000000004d8958 R15: 00000000ffffffff [ 1145.591365] Code: e9 ed fe ff ff 48 c7 c7 60 e4 24 89 e8 1f 4c 3e 00 e9 84 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 <48> 89 e5 41 57 41 56 4c 8d 7d d8 41 55 49 89 d5 41 54 49 89 fc [ 1145.596159] Kernel panic - not syncing: hung_task: blocked tasks [ 1145.845514] CPU: 0 PID: 1009 Comm: khungtaskd Not tainted 4.14.113 #3 [ 1145.852116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1145.861481] Call Trace: [ 1145.864779] dump_stack+0x138/0x19c [ 1145.868420] panic+0x1f2/0x438 [ 1145.871611] ? add_taint.cold+0x16/0x16 [ 1145.875594] ? ___preempt_schedule+0x16/0x18 [ 1145.880019] watchdog+0x5f8/0xb90 [ 1145.883482] kthread+0x31c/0x430 [ 1145.886857] ? hungtask_pm_notify+0x60/0x60 [ 1145.891189] ? kthread_create_on_node+0xd0/0xd0 [ 1145.895866] ret_from_fork+0x3a/0x50 [ 1145.900660] Kernel Offset: disabled [ 1145.904441] Rebooting in 86400 seconds..