[ 37.105471] audit: type=1800 audit(1555703119.202:33): pid=6950 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 [ 37.133158] audit: type=1800 audit(1555703119.202:34): pid=6950 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: [ 40.731488] random: sshd: uninitialized urandom read (32 bytes read) [ 41.116800] audit: type=1400 audit(1555703123.212:35): avc: denied { map } for pid=7122 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 [ 41.188845] random: sshd: uninitialized urandom read (32 bytes read) [ 41.812643] random: sshd: uninitialized urandom read (32 bytes read) [ 993.023078] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts. [ 998.600495] random: sshd: uninitialized urandom read (32 bytes read) [ 998.822583] audit: type=1400 audit(1555704080.922:36): avc: denied { map } for pid=7134 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 2019/04/19 20:01:21 parsed 1 programs [ 999.695781] audit: type=1400 audit(1555704081.792:37): avc: denied { map } for pid=7134 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=37 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 1000.364175] random: cc1: uninitialized urandom read (8 bytes read) 2019/04/19 20:01:23 executed programs: 0 [ 1001.496121] audit: type=1400 audit(1555704083.592:38): avc: denied { map } for pid=7134 comm="syz-execprog" path="/root/syzkaller-shm353065404" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 1002.250251] IPVS: ftp: loaded support on port[0] = 21 [ 1002.672951] IPVS: ftp: loaded support on port[0] = 21 [ 1002.673536] chnl_net:caif_netlink_parms(): no params data found [ 1002.724919] bridge0: port 1(bridge_slave_0) entered blocking state [ 1002.731674] bridge0: port 1(bridge_slave_0) entered disabled state [ 1002.738891] device bridge_slave_0 entered promiscuous mode [ 1002.747826] bridge0: port 2(bridge_slave_1) entered blocking state [ 1002.754624] bridge0: port 2(bridge_slave_1) entered disabled state [ 1002.761694] device bridge_slave_1 entered promiscuous mode [ 1002.780707] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1002.789833] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1002.807700] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1002.815715] IPVS: ftp: loaded support on port[0] = 21 [ 1002.816237] team0: Port device team_slave_0 added [ 1002.829445] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1002.836979] team0: Port device team_slave_1 added [ 1002.844518] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1002.852368] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1002.916362] device hsr_slave_0 entered promiscuous mode [ 1002.960563] device hsr_slave_1 entered promiscuous mode [ 1003.002990] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1003.022701] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1003.051578] chnl_net:caif_netlink_parms(): no params data found [ 1003.084084] bridge0: port 2(bridge_slave_1) entered blocking state [ 1003.090716] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1003.097703] bridge0: port 1(bridge_slave_0) entered blocking state [ 1003.104127] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1003.137176] IPVS: ftp: loaded support on port[0] = 21 [ 1003.197846] bridge0: port 1(bridge_slave_0) entered blocking state [ 1003.205268] bridge0: port 1(bridge_slave_0) entered disabled state [ 1003.212307] device bridge_slave_0 entered promiscuous mode [ 1003.219634] bridge0: port 2(bridge_slave_1) entered blocking state [ 1003.226043] bridge0: port 2(bridge_slave_1) entered disabled state [ 1003.233120] device bridge_slave_1 entered promiscuous mode [ 1003.243746] chnl_net:caif_netlink_parms(): no params data found [ 1003.294199] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1003.305217] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1003.334791] bridge0: port 1(bridge_slave_0) entered blocking state [ 1003.342181] bridge0: port 1(bridge_slave_0) entered disabled state [ 1003.349685] device bridge_slave_0 entered promiscuous mode [ 1003.360951] bridge0: port 2(bridge_slave_1) entered blocking state [ 1003.367370] bridge0: port 2(bridge_slave_1) entered disabled state [ 1003.374760] device bridge_slave_1 entered promiscuous mode [ 1003.394796] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1003.402162] team0: Port device team_slave_0 added [ 1003.421201] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1003.430788] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1003.442573] IPVS: ftp: loaded support on port[0] = 21 [ 1003.451184] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1003.458701] team0: Port device team_slave_1 added [ 1003.468092] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 1003.475199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1003.484189] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1003.509216] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1003.517777] team0: Port device team_slave_0 added [ 1003.523386] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1003.532416] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1003.566239] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1003.573812] team0: Port device team_slave_1 added [ 1003.584197] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1003.604379] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1003.619849] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1003.626997] 8021q: adding VLAN 0 to HW filter on device team0 [ 1003.682618] device hsr_slave_0 entered promiscuous mode [ 1003.720448] device hsr_slave_1 entered promiscuous mode [ 1003.763254] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1003.772802] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1003.779616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1003.788626] bridge0: port 1(bridge_slave_0) entered disabled state [ 1003.806408] bridge0: port 2(bridge_slave_1) entered disabled state [ 1003.817099] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1003.837267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1003.845359] chnl_net:caif_netlink_parms(): no params data found [ 1003.902568] device hsr_slave_0 entered promiscuous mode [ 1003.940472] device hsr_slave_1 entered promiscuous mode [ 1003.980399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1003.988266] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1003.996246] bridge0: port 1(bridge_slave_0) entered blocking state [ 1004.002816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1004.011885] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1004.025988] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1004.034578] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1004.042571] bridge0: port 2(bridge_slave_1) entered blocking state [ 1004.048957] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1004.056899] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1004.065992] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1004.076881] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1004.087205] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1004.097560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1004.105785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1004.115438] IPVS: ftp: loaded support on port[0] = 21 [ 1004.121118] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1004.136713] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1004.153359] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1004.160344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1004.168185] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1004.177431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1004.203897] bridge0: port 1(bridge_slave_0) entered blocking state [ 1004.210690] bridge0: port 1(bridge_slave_0) entered disabled state [ 1004.217729] device bridge_slave_0 entered promiscuous mode [ 1004.224164] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1004.231377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1004.239119] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1004.248291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1004.261022] bridge0: port 2(bridge_slave_1) entered blocking state [ 1004.267415] bridge0: port 2(bridge_slave_1) entered disabled state [ 1004.274639] device bridge_slave_1 entered promiscuous mode [ 1004.289868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1004.297866] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1004.309944] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1004.323769] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1004.333165] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1004.342880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1004.351135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1004.364099] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1004.370492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1004.419561] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1004.447424] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1004.455028] team0: Port device team_slave_0 added [ 1004.469038] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1004.493607] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1004.503511] team0: Port device team_slave_1 added [ 1004.512141] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1004.519983] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1004.531551] chnl_net:caif_netlink_parms(): no params data found [ 1004.547828] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1004.563631] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1004.593014] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1004.609651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1004.617576] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1004.629706] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1004.637069] 8021q: adding VLAN 0 to HW filter on device team0 [ 1004.646321] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1004.679037] chnl_net:caif_netlink_parms(): no params data found [ 1004.691776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1004.699824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1004.707871] bridge0: port 1(bridge_slave_0) entered blocking state [ 1004.714489] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1004.722733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1004.732644] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1004.794248] device hsr_slave_0 entered promiscuous mode [ 1004.830372] device hsr_slave_1 entered promiscuous mode [ 1004.893689] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1004.903016] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1004.910699] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1004.923634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1004.932349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1004.939917] bridge0: port 2(bridge_slave_1) entered blocking state [ 1004.946325] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1004.971596] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1004.992965] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1005.004382] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1005.012132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1005.019313] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1005.026458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1005.035006] bridge0: port 1(bridge_slave_0) entered blocking state [ 1005.050399] bridge0: port 1(bridge_slave_0) entered disabled state [ 1005.057480] device bridge_slave_0 entered promiscuous mode [ 1005.064793] bridge0: port 2(bridge_slave_1) entered blocking state [ 1005.071290] bridge0: port 2(bridge_slave_1) entered disabled state [ 1005.078342] device bridge_slave_1 entered promiscuous mode [ 1005.104773] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1005.111350] 8021q: adding VLAN 0 to HW filter on device team0 [ 1005.140723] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1005.152296] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1005.165886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1005.173899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1005.182663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1005.191030] bridge0: port 1(bridge_slave_0) entered blocking state [ 1005.197420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1005.204484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1005.212412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1005.222846] bridge0: port 2(bridge_slave_1) entered blocking state [ 1005.229223] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1005.236282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1005.247480] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1005.255908] bridge0: port 1(bridge_slave_0) entered blocking state [ 1005.262762] bridge0: port 1(bridge_slave_0) entered disabled state [ 1005.271044] device bridge_slave_0 entered promiscuous mode [ 1005.279444] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1005.289366] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1005.297522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1005.305278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1005.313190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1005.321177] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1005.330927] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1005.339056] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1005.346268] bridge0: port 2(bridge_slave_1) entered blocking state [ 1005.352865] bridge0: port 2(bridge_slave_1) entered disabled state [ 1005.359927] device bridge_slave_1 entered promiscuous mode [ 1005.368155] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1005.377281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1005.401516] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1005.409366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1005.418234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1005.425991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1005.446910] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1005.454532] team0: Port device team_slave_0 added [ 1005.461791] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1005.475512] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1005.494507] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1005.503276] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1005.513051] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1005.521580] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1005.528896] team0: Port device team_slave_1 added [ 1005.542922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1005.550968] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1005.558564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1005.568793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1005.576445] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1005.584257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1005.592450] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1005.611852] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1005.621125] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1005.628850] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1005.635641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1005.655997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1005.663471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1005.672494] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1005.742547] device hsr_slave_0 entered promiscuous mode [ 1005.780412] device hsr_slave_1 entered promiscuous mode [ 1005.846484] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1005.854050] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1005.861434] team0: Port device team_slave_0 added [ 1005.868461] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1005.885440] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1005.893375] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1005.901517] team0: Port device team_slave_1 added [ 1005.907063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1005.915790] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1005.926846] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1005.934813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1005.945204] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1005.953646] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1005.976748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1005.985433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1005.995527] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1006.002425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1006.025850] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1006.072711] device hsr_slave_0 entered promiscuous mode [ 1006.110725] device hsr_slave_1 entered promiscuous mode [ 1006.174665] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1006.187790] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1006.203690] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1006.218292] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1006.241625] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1006.248762] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1006.275481] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1006.294162] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1006.307193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1006.314471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1006.326422] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1006.339801] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1006.346572] 8021q: adding VLAN 0 to HW filter on device team0 [ 1006.381208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1006.395464] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1006.409138] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1006.419325] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1006.430620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1006.438817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1006.448311] bridge0: port 1(bridge_slave_0) entered blocking state [ 1006.454819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1006.462618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1006.470500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1006.478438] bridge0: port 2(bridge_slave_1) entered blocking state [ 1006.484848] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1006.494137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1006.506435] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1006.516476] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1006.523567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1006.532248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1006.539065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1006.550420] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1006.559007] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1006.565919] 8021q: adding VLAN 0 to HW filter on device team0 [ 1006.572481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1006.589182] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1006.597703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1006.611282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1006.619117] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1006.636102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1006.646684] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1006.659680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1006.668968] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1006.682305] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1006.690506] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1006.698227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1006.706124] bridge0: port 1(bridge_slave_0) entered blocking state [ 1006.712527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1006.721210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1006.730592] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1006.740741] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready 2019/04/19 20:01:28 executed programs: 15 [ 1006.749099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1006.756938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1006.768531] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1006.779341] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1006.785674] 8021q: adding VLAN 0 to HW filter on device team0 [ 1006.793512] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1006.801181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1006.809074] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1006.816880] bridge0: port 2(bridge_slave_1) entered blocking state [ 1006.823286] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1006.830659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1006.838374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1006.849393] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1006.859567] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1006.869698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1006.877956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1006.886070] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1006.893986] bridge0: port 1(bridge_slave_0) entered blocking state [ 1006.900401] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1006.907569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1006.916208] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1006.925612] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1006.936499] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1006.942969] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1006.950746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1006.958294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1006.967698] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1006.977139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1006.990411] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1006.998301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1007.006439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1007.014749] bridge0: port 2(bridge_slave_1) entered blocking state [ 1007.021200] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1007.031106] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1007.046396] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1007.056636] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1007.065478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1007.074001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1007.082437] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1007.090495] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1007.098182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1007.106136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1007.116437] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1007.130655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1007.139031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1007.152290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1007.160980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1007.168600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1007.178202] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1007.189209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1007.199923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1007.207902] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1007.217375] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1007.225624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1007.233416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1007.241272] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1007.252097] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1007.263723] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1007.269774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1007.280900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1007.289840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1007.305720] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1007.317317] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1007.325178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1007.333039] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1007.340897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1007.348612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1007.363153] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1007.369199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1007.389594] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1007.403687] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1007.413490] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1007.425755] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1288.160951] INFO: task syz-executor.2:7155 blocked for more than 140 seconds. [ 1288.168626] Not tainted 4.14.112 #2 [ 1288.173496] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.181967] syz-executor.2 D24992 7155 1 0x00000004 [ 1288.187717] Call Trace: [ 1288.191133] __schedule+0x7be/0x1cf0 [ 1288.194850] ? __mutex_lock+0x737/0x1470 [ 1288.199371] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.204466] schedule+0x92/0x1c0 [ 1288.207919] schedule_preempt_disabled+0x13/0x20 [ 1288.212725] __mutex_lock+0x73c/0x1470 [ 1288.216777] ? trace_hardirqs_on+0x10/0x10 [ 1288.221094] ? lo_release+0x84/0x1b0 [ 1288.224939] ? save_trace+0x280/0x290 [ 1288.228966] ? mutex_trylock+0x1c0/0x1c0 [ 1288.233235] ? __blkdev_put+0x397/0x7f0 [ 1288.237216] ? find_held_lock+0x35/0x130 [ 1288.241639] ? __blkdev_put+0x397/0x7f0 [ 1288.245857] ? loop_clr_fd+0xae0/0xae0 [ 1288.249922] mutex_lock_nested+0x16/0x20 [ 1288.254044] ? mutex_lock_nested+0x16/0x20 [ 1288.258400] lo_release+0x84/0x1b0 [ 1288.262278] ? loop_clr_fd+0xae0/0xae0 [ 1288.266173] __blkdev_put+0x436/0x7f0 [ 1288.269968] ? bd_set_size+0xb0/0xb0 [ 1288.273758] ? wait_for_completion+0x420/0x420 [ 1288.278349] blkdev_put+0x88/0x510 [ 1288.281966] ? fcntl_setlk+0xb90/0xb90 [ 1288.286052] ? blkdev_put+0x510/0x510 [ 1288.289846] blkdev_close+0x8b/0xb0 [ 1288.293564] __fput+0x277/0x7a0 [ 1288.296848] ____fput+0x16/0x20 [ 1288.300206] task_work_run+0x119/0x190 [ 1288.304392] exit_to_usermode_loop+0x1da/0x220 [ 1288.308977] do_syscall_64+0x4a9/0x630 [ 1288.313789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.318652] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.324034] RIP: 0033:0x4129c0 [ 1288.327222] RSP: 002b:00007ffd3b071778 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1288.335059] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004129c0 [ 1288.342422] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 [ 1288.350645] RBP: 0000000000000007 R08: 0000000000000000 R09: 000000000000000a [ 1288.358047] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1288.365488] R13: 00007ffd3b0717b0 R14: 00000000000f673d R15: 00007ffd3b0717c0 [ 1288.372919] INFO: task syz-executor.3:7293 blocked for more than 140 seconds. [ 1288.380297] Not tainted 4.14.112 #2 [ 1288.384486] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.392629] syz-executor.3 D28528 7293 7153 0x00000004 [ 1288.398284] Call Trace: [ 1288.401027] __schedule+0x7be/0x1cf0 [ 1288.404758] ? __mutex_lock+0x737/0x1470 [ 1288.409066] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.414265] schedule+0x92/0x1c0 [ 1288.417682] schedule_preempt_disabled+0x13/0x20 [ 1288.422696] __mutex_lock+0x73c/0x1470 [ 1288.426671] ? blkdev_reread_part+0x1f/0x40 [ 1288.431357] ? mutex_trylock+0x1c0/0x1c0 [ 1288.435483] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1288.441360] ? __wake_up_common_lock+0xe3/0x160 [ 1288.446302] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1288.451516] mutex_lock_nested+0x16/0x20 [ 1288.455623] ? mutex_lock_nested+0x16/0x20 [ 1288.459856] blkdev_reread_part+0x1f/0x40 [ 1288.464079] loop_reread_partitions+0x7c/0x90 [ 1288.468594] loop_set_status+0xc28/0x1200 [ 1288.472889] loop_set_status64+0xa6/0xf0 [ 1288.476954] ? loop_set_status_old+0x2d0/0x2d0 [ 1288.482907] ? ns_capable_common+0x12c/0x160 [ 1288.489558] lo_ioctl+0x5c1/0x1c70 [ 1288.493777] ? trace_hardirqs_on+0x10/0x10 [ 1288.498223] ? loop_probe+0x160/0x160 [ 1288.502093] blkdev_ioctl+0x983/0x1880 [ 1288.506067] ? blkpg_ioctl+0x980/0x980 [ 1288.510159] ? __might_fault+0x110/0x1d0 [ 1288.514273] ? __might_sleep+0x93/0xb0 [ 1288.518159] block_ioctl+0xde/0x120 [ 1288.521993] ? blkdev_fallocate+0x3b0/0x3b0 [ 1288.526809] do_vfs_ioctl+0x7b9/0x1070 [ 1288.530917] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1288.535686] ? ioctl_preallocate+0x1c0/0x1c0 [ 1288.540215] ? put_timespec64+0xb4/0x100 [ 1288.544376] ? nsecs_to_jiffies+0x30/0x30 [ 1288.548577] ? security_file_ioctl+0x83/0xc0 [ 1288.553076] ? security_file_ioctl+0x8f/0xc0 [ 1288.557505] SyS_ioctl+0x8f/0xc0 [ 1288.561126] ? do_vfs_ioctl+0x1070/0x1070 [ 1288.565313] do_syscall_64+0x1eb/0x630 [ 1288.569245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.574807] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.580169] RIP: 0033:0x458c29 [ 1288.583364] RSP: 002b:00007ffe291d7888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1288.591620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 1288.598969] RDX: 00000000200000c0 RSI: 0000000000004c04 RDI: 0000000000000003 [ 1288.606510] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1288.614137] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000df8914 [ 1288.621606] R13: 00000000004c2009 R14: 00000000004d48f8 R15: 00000000ffffffff [ 1288.629049] INFO: task syz-executor.1:7294 blocked for more than 140 seconds. [ 1288.636607] Not tainted 4.14.112 #2 [ 1288.640906] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.648957] syz-executor.1 D28528 7294 7158 0x00000004 [ 1288.654748] Call Trace: [ 1288.657556] __schedule+0x7be/0x1cf0 [ 1288.661756] ? __mutex_lock+0x737/0x1470 [ 1288.665846] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.671208] schedule+0x92/0x1c0 [ 1288.674587] schedule_preempt_disabled+0x13/0x20 [ 1288.679395] __mutex_lock+0x73c/0x1470 [ 1288.683431] ? lo_ioctl+0x87/0x1c70 [ 1288.687167] ? lock_downgrade+0x6d1/0x6e0 [ 1288.691472] ? mutex_trylock+0x1c0/0x1c0 [ 1288.695603] ? avc_has_extended_perms+0x8ec/0xe40 [ 1288.701231] ? futex_wake+0x134/0x430 [ 1288.705422] ? avc_ss_reset+0x110/0x110 [ 1288.709447] mutex_lock_nested+0x16/0x20 [ 1288.713602] ? mutex_lock_nested+0x16/0x20 [ 1288.717879] lo_ioctl+0x87/0x1c70 [ 1288.721428] ? trace_hardirqs_on+0x10/0x10 [ 1288.725685] ? loop_probe+0x160/0x160 [ 1288.729534] blkdev_ioctl+0x983/0x1880 [ 1288.733499] ? blkpg_ioctl+0x980/0x980 [ 1288.737487] ? __might_fault+0x110/0x1d0 [ 1288.741767] ? __might_sleep+0x93/0xb0 [ 1288.745776] block_ioctl+0xde/0x120 [ 1288.749461] ? blkdev_fallocate+0x3b0/0x3b0 [ 1288.753908] do_vfs_ioctl+0x7b9/0x1070 [ 1288.757819] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1288.763033] ? ioctl_preallocate+0x1c0/0x1c0 [ 1288.767454] ? put_timespec64+0xb4/0x100 [ 1288.771586] ? nsecs_to_jiffies+0x30/0x30 [ 1288.775740] ? security_file_ioctl+0x83/0xc0 [ 1288.780218] ? security_file_ioctl+0x8f/0xc0 [ 1288.784678] SyS_ioctl+0x8f/0xc0 [ 1288.788031] ? do_vfs_ioctl+0x1070/0x1070 [ 1288.792473] do_syscall_64+0x1eb/0x630 [ 1288.796381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.801493] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.806698] RIP: 0033:0x458c29 [ 1288.809875] RSP: 002b:00007ffeed0218e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1288.817646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 [ 1288.825048] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000003 [ 1288.833029] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1288.840853] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000199a914 [ 1288.848451] R13: 00000000004c1f00 R14: 00000000004d47d8 R15: 00000000ffffffff [ 1288.855829] INFO: task blkid:7295 blocked for more than 140 seconds. [ 1288.862372] Not tainted 4.14.112 #2 [ 1288.866611] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.874764] blkid D29040 7295 7261 0x00000004 [ 1288.880616] Call Trace: [ 1288.883210] __schedule+0x7be/0x1cf0 [ 1288.886903] ? __mutex_lock+0x737/0x1470 [ 1288.891029] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.896056] schedule+0x92/0x1c0 [ 1288.899486] schedule_preempt_disabled+0x13/0x20 [ 1288.904647] __mutex_lock+0x73c/0x1470 [ 1288.908548] ? lo_ioctl+0x87/0x1c70 [ 1288.912251] ? lock_downgrade+0x6d0/0x6e0 [ 1288.916408] ? mutex_trylock+0x1c0/0x1c0 [ 1288.920551] ? avc_has_extended_perms+0x8ec/0xe40 [ 1288.925422] ? __might_fault+0x110/0x1d0 [ 1288.929544] ? avc_ss_reset+0x110/0x110 [ 1288.933624] mutex_lock_nested+0x16/0x20 [ 1288.937716] ? mutex_lock_nested+0x16/0x20 [ 1288.942051] lo_ioctl+0x87/0x1c70 [ 1288.945511] ? loop_probe+0x160/0x160 [ 1288.949564] blkdev_ioctl+0x983/0x1880 [ 1288.953512] ? blkpg_ioctl+0x980/0x980 [ 1288.957450] ? __might_sleep+0x93/0xb0 [ 1288.962135] ? save_trace+0x290/0x290 [ 1288.965979] block_ioctl+0xde/0x120 [ 1288.969593] ? blkdev_fallocate+0x3b0/0x3b0 [ 1288.973965] do_vfs_ioctl+0x7b9/0x1070 [ 1288.977900] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1288.982760] ? ioctl_preallocate+0x1c0/0x1c0 [ 1288.987186] ? lock_downgrade+0x6e0/0x6e0 [ 1288.991401] ? security_file_ioctl+0x83/0xc0 [ 1288.995868] ? security_file_ioctl+0x8f/0xc0 [ 1289.000352] SyS_ioctl+0x8f/0xc0 [ 1289.003808] ? do_vfs_ioctl+0x1070/0x1070 [ 1289.007952] do_syscall_64+0x1eb/0x630 [ 1289.011969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.016937] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.022596] RIP: 0033:0x7f8387b00347 [ 1289.026421] RSP: 002b:00007fff29ffb9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1289.034282] RAX: ffffffffffffffda RBX: 0000000001156030 RCX: 00007f8387b00347 [ 1289.042136] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1289.049500] RBP: 0000000000000003 R08: 00007f8387db05a0 R09: 0000000000000008 [ 1289.056832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1289.064468] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1289.071979] INFO: task blkid:7296 blocked for more than 140 seconds. [ 1289.078627] Not tainted 4.14.112 #2 [ 1289.082849] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.091845] blkid D29040 7296 7119 0x00000004 [ 1289.097523] Call Trace: [ 1289.102343] __schedule+0x7be/0x1cf0 [ 1289.106618] ? __mutex_lock+0x737/0x1470 [ 1289.111300] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.116605] schedule+0x92/0x1c0 [ 1289.119966] schedule_preempt_disabled+0x13/0x20 [ 1289.127104] __mutex_lock+0x73c/0x1470 [ 1289.131206] ? lo_ioctl+0x87/0x1c70 [ 1289.134835] ? lock_downgrade+0x6d0/0x6e0 [ 1289.139096] ? mutex_trylock+0x1c0/0x1c0 [ 1289.143677] ? avc_has_extended_perms+0x8ec/0xe40 [ 1289.148531] ? __might_fault+0x110/0x1d0 [ 1289.152829] ? avc_ss_reset+0x110/0x110 [ 1289.156827] mutex_lock_nested+0x16/0x20 [ 1289.160939] ? mutex_lock_nested+0x16/0x20 [ 1289.165230] lo_ioctl+0x87/0x1c70 [ 1289.168738] ? loop_probe+0x160/0x160 [ 1289.172626] blkdev_ioctl+0x983/0x1880 [ 1289.176561] ? blkpg_ioctl+0x980/0x980 [ 1289.180544] ? __might_sleep+0x93/0xb0 [ 1289.184901] ? save_trace+0x290/0x290 [ 1289.188697] block_ioctl+0xde/0x120 [ 1289.192373] ? blkdev_fallocate+0x3b0/0x3b0 [ 1289.196706] do_vfs_ioctl+0x7b9/0x1070 [ 1289.200770] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1289.205538] ? ioctl_preallocate+0x1c0/0x1c0 [ 1289.210100] ? lock_downgrade+0x6e0/0x6e0 [ 1289.214268] ? security_file_ioctl+0x83/0xc0 [ 1289.218941] ? security_file_ioctl+0x8f/0xc0 [ 1289.223417] SyS_ioctl+0x8f/0xc0 [ 1289.226788] ? do_vfs_ioctl+0x1070/0x1070 [ 1289.231021] do_syscall_64+0x1eb/0x630 [ 1289.234959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.239807] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.245050] RIP: 0033:0x7fd3ed3de347 [ 1289.248758] RSP: 002b:00007ffc75d1e178 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1289.256799] RAX: ffffffffffffffda RBX: 00000000013be030 RCX: 00007fd3ed3de347 [ 1289.264169] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1289.271778] RBP: 0000000000000003 R08: 00007fd3ed68e5a0 R09: 0000000000000008 [ 1289.279243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1289.286616] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1289.293968] INFO: task blkid:7297 blocked for more than 140 seconds. [ 1289.300527] Not tainted 4.14.112 #2 [ 1289.304710] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.312772] blkid D29040 7297 7118 0x00000004 [ 1289.318422] Call Trace: [ 1289.321122] __schedule+0x7be/0x1cf0 [ 1289.324886] ? __mutex_lock+0x737/0x1470 [ 1289.328943] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.334038] schedule+0x92/0x1c0 [ 1289.337410] schedule_preempt_disabled+0x13/0x20 [ 1289.342263] __mutex_lock+0x73c/0x1470 [ 1289.346310] ? lo_ioctl+0x87/0x1c70 [ 1289.350248] ? lock_downgrade+0x6d0/0x6e0 [ 1289.354603] ? mutex_trylock+0x1c0/0x1c0 [ 1289.358763] ? avc_has_extended_perms+0x8ec/0xe40 [ 1289.363708] ? __might_fault+0x110/0x1d0 [ 1289.367806] ? avc_ss_reset+0x110/0x110 [ 1289.372017] mutex_lock_nested+0x16/0x20 [ 1289.376098] ? mutex_lock_nested+0x16/0x20 [ 1289.380406] lo_ioctl+0x87/0x1c70 [ 1289.383879] ? loop_probe+0x160/0x160 [ 1289.387810] blkdev_ioctl+0x983/0x1880 [ 1289.391756] ? blkpg_ioctl+0x980/0x980 [ 1289.395654] ? __might_sleep+0x93/0xb0 [ 1289.399530] ? save_trace+0x290/0x290 [ 1289.403624] block_ioctl+0xde/0x120 [ 1289.407493] ? blkdev_fallocate+0x3b0/0x3b0 [ 1289.411885] do_vfs_ioctl+0x7b9/0x1070 [ 1289.415822] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1289.420724] ? ioctl_preallocate+0x1c0/0x1c0 [ 1289.425147] ? lock_downgrade+0x6e0/0x6e0 [ 1289.429332] ? security_file_ioctl+0x83/0xc0 [ 1289.433814] ? security_file_ioctl+0x8f/0xc0 [ 1289.438275] SyS_ioctl+0x8f/0xc0 [ 1289.441800] ? do_vfs_ioctl+0x1070/0x1070 [ 1289.446064] do_syscall_64+0x1eb/0x630 [ 1289.449935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.454845] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.467783] RIP: 0033:0x7fb60ef95347 [ 1289.471724] RSP: 002b:00007ffd2dcb2db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1289.479710] RAX: ffffffffffffffda RBX: 0000000000ae1030 RCX: 00007fb60ef95347 [ 1289.487119] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1289.494720] RBP: 0000000000000003 R08: 00007fb60f2455a0 R09: 0000000000000008 [ 1289.502179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1289.509458] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1289.516927] INFO: task syz-executor.0:7298 blocked for more than 140 seconds. [ 1289.524263] Not tainted 4.14.112 #2 [ 1289.528452] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.536647] syz-executor.0 D28528 7298 7156 0x00000004 [ 1289.542394] Call Trace: [ 1289.544974] __schedule+0x7be/0x1cf0 [ 1289.548801] ? __mutex_lock+0x737/0x1470 [ 1289.552955] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.558031] schedule+0x92/0x1c0 [ 1289.561464] schedule_preempt_disabled+0x13/0x20 [ 1289.566273] __mutex_lock+0x73c/0x1470 [ 1289.570232] ? lo_open+0x1d/0xb0 [ 1289.573618] ? refcount_inc_not_zero+0x10/0xe0 [ 1289.578294] ? mutex_trylock+0x1c0/0x1c0 [ 1289.582411] ? exact_match+0xd/0x20 [ 1289.586042] ? kobj_lookup+0x319/0x410 [ 1289.590102] ? loop_unregister_transfer+0x90/0x90 [ 1289.595039] mutex_lock_nested+0x16/0x20 [ 1289.599143] ? mutex_lock_nested+0x16/0x20 [ 1289.603552] lo_open+0x1d/0xb0 [ 1289.606789] __blkdev_get+0xab1/0x1120 [ 1289.610760] ? __blkdev_put+0x7f0/0x7f0 [ 1289.614739] ? bd_acquire+0x178/0x2c0 [ 1289.618582] ? find_held_lock+0x35/0x130 [ 1289.622710] blkdev_get+0xa8/0x8e0 [ 1289.626324] ? bd_may_claim+0xd0/0xd0 [ 1289.630190] ? _raw_spin_unlock+0x2d/0x50 [ 1289.634349] blkdev_open+0x1d1/0x260 [ 1289.638102] ? security_file_open+0x8f/0x1a0 [ 1289.642936] do_dentry_open+0x73e/0xeb0 [ 1289.646968] ? bd_acquire+0x2c0/0x2c0 [ 1289.650838] vfs_open+0x105/0x230 [ 1289.654295] path_openat+0x8bd/0x3f70 [ 1289.658097] ? trace_hardirqs_on+0x10/0x10 [ 1289.662392] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1289.667278] ? find_held_lock+0x35/0x130 [ 1289.671498] ? __alloc_fd+0x1d4/0x4a0 [ 1289.675439] do_filp_open+0x18e/0x250 [ 1289.679242] ? may_open_dev+0xe0/0xe0 [ 1289.683218] ? _raw_spin_unlock+0x2d/0x50 [ 1289.687492] ? __alloc_fd+0x1d4/0x4a0 [ 1289.691350] do_sys_open+0x2c5/0x430 [ 1289.695070] ? filp_open+0x70/0x70 [ 1289.698609] SyS_open+0x2d/0x40 [ 1289.701958] ? do_sys_open+0x430/0x430 [ 1289.705893] do_syscall_64+0x1eb/0x630 [ 1289.709777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.714761] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.720090] RIP: 0033:0x412ba0 [ 1289.723300] RSP: 002b:00007fff57686a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1289.731968] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000412ba0 [ 1289.739410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff57686b10 [ 1289.746789] RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000 [ 1289.754204] R10: 0000000000740090 R11: 0000000000000246 R12: 000000000250c914 [ 1289.761679] R13: 00000000004c79c8 R14: 00000000004dda60 R15: 00000000ffffffff [ 1289.769067] INFO: task syz-executor.5:7299 blocked for more than 140 seconds. [ 1289.776384] Not tainted 4.14.112 #2 [ 1289.780601] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.788632] syz-executor.5 D28400 7299 7160 0x00000004 [ 1289.794326] Call Trace: [ 1289.796921] __schedule+0x7be/0x1cf0 [ 1289.800739] ? __mutex_lock+0x737/0x1470 [ 1289.804810] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.809861] schedule+0x92/0x1c0 [ 1289.813306] schedule_preempt_disabled+0x13/0x20 [ 1289.818067] __mutex_lock+0x73c/0x1470 [ 1289.822365] ? __mutex_unlock_slowpath+0x71/0x800 [ 1289.827242] ? __blkdev_get+0x145/0x1120 [ 1289.831641] ? mutex_trylock+0x1c0/0x1c0 [ 1289.835742] ? exact_match+0xd/0x20 [ 1289.839373] ? kobj_lookup+0x319/0x410 [ 1289.843523] ? blkdev_ioctl+0x1880/0x1880 [ 1289.847680] mutex_lock_nested+0x16/0x20 [ 1289.851844] ? mutex_lock_nested+0x16/0x20 [ 1289.856089] __blkdev_get+0x145/0x1120 [ 1289.860104] ? __blkdev_put+0x7f0/0x7f0 [ 1289.864098] ? bd_acquire+0x178/0x2c0 [ 1289.867949] ? find_held_lock+0x35/0x130 [ 1289.872069] blkdev_get+0xa8/0x8e0 [ 1289.875608] ? bd_may_claim+0xd0/0xd0 [ 1289.879402] ? _raw_spin_unlock+0x2d/0x50 [ 1289.883596] blkdev_open+0x1d1/0x260 [ 1289.887354] ? security_file_open+0x8f/0x1a0 [ 1289.891831] do_dentry_open+0x73e/0xeb0 [ 1289.895811] ? bd_acquire+0x2c0/0x2c0 [ 1289.899781] vfs_open+0x105/0x230 [ 1289.903289] path_openat+0x8bd/0x3f70 [ 1289.907230] ? trace_hardirqs_on+0x10/0x10 [ 1289.911543] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1289.916346] ? find_held_lock+0x35/0x130 [ 1289.920633] ? __alloc_fd+0x1d4/0x4a0 [ 1289.924535] do_filp_open+0x18e/0x250 [ 1289.928371] ? may_open_dev+0xe0/0xe0 [ 1289.932332] ? _raw_spin_unlock+0x2d/0x50 [ 1289.936490] ? __alloc_fd+0x1d4/0x4a0 [ 1289.940360] do_sys_open+0x2c5/0x430 [ 1289.944075] ? filp_open+0x70/0x70 [ 1289.947613] SyS_open+0x2d/0x40 [ 1289.950962] ? do_sys_open+0x430/0x430 [ 1289.954854] do_syscall_64+0x1eb/0x630 [ 1289.958772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.963706] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.968979] RIP: 0033:0x412ba0 [ 1289.972215] RSP: 002b:00007fffee99b0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1289.980150] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000412ba0 [ 1289.987547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fffee99b180 [ 1289.994884] RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000 [ 1290.002241] R10: 0000000000740090 R11: 0000000000000246 R12: 00000000023ff914 [ 1290.009510] R13: 00000000004c79c8 R14: 00000000004dda60 R15: 00000000ffffffff [ 1290.017070] INFO: task blkid:7301 blocked for more than 140 seconds. [ 1290.023812] Not tainted 4.14.112 #2 [ 1290.027946] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.035974] blkid D29040 7301 7269 0x00000004 [ 1290.041649] Call Trace: [ 1290.044241] __schedule+0x7be/0x1cf0 [ 1290.047946] ? __mutex_lock+0x737/0x1470 [ 1290.052341] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1290.057366] schedule+0x92/0x1c0 [ 1290.060811] schedule_preempt_disabled+0x13/0x20 [ 1290.065735] __mutex_lock+0x73c/0x1470 [ 1290.069901] ? trace_hardirqs_on+0x10/0x10 [ 1290.074198] ? lo_open+0x1d/0xb0 [ 1290.077787] ? refcount_inc_not_zero+0x10/0xe0 [ 1290.083175] ? mutex_trylock+0x1c0/0x1c0 [ 1290.087481] ? find_held_lock+0x35/0x130 [ 1290.091632] ? disk_get_part+0x9c/0x140 [ 1290.095612] ? lock_downgrade+0x6e0/0x6e0 [ 1290.099743] ? loop_unregister_transfer+0x90/0x90 [ 1290.104813] mutex_lock_nested+0x16/0x20 [ 1290.108885] ? mutex_lock_nested+0x16/0x20 [ 1290.113267] lo_open+0x1d/0xb0 [ 1290.116479] __blkdev_get+0x2c9/0x1120 [ 1290.120436] ? __blkdev_put+0x7f0/0x7f0 [ 1290.124419] ? bd_acquire+0x178/0x2c0 [ 1290.128257] ? find_held_lock+0x35/0x130 [ 1290.132373] blkdev_get+0xa8/0x8e0 [ 1290.135918] ? bd_may_claim+0xd0/0xd0 [ 1290.139712] ? _raw_spin_unlock+0x2d/0x50 [ 1290.144144] blkdev_open+0x1d1/0x260 [ 1290.147993] ? security_file_open+0x8f/0x1a0 [ 1290.152476] do_dentry_open+0x73e/0xeb0 [ 1290.156452] ? bd_acquire+0x2c0/0x2c0 [ 1290.160371] vfs_open+0x105/0x230 [ 1290.163833] path_openat+0x8bd/0x3f70 [ 1290.169071] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1290.173792] ? __handle_mm_fault+0x299c/0x3470 [ 1290.178465] ? __alloc_fd+0x1d4/0x4a0 [ 1290.182345] do_filp_open+0x18e/0x250 [ 1290.186277] ? may_open_dev+0xe0/0xe0 [ 1290.190167] ? _raw_spin_unlock+0x2d/0x50 [ 1290.194329] ? __alloc_fd+0x1d4/0x4a0 [ 1290.198135] do_sys_open+0x2c5/0x430 [ 1290.201892] ? filp_open+0x70/0x70 [ 1290.205481] SyS_open+0x2d/0x40 [ 1290.208747] ? do_sys_open+0x430/0x430 [ 1290.212699] do_syscall_64+0x1eb/0x630 [ 1290.216685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1290.221696] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1290.226951] RIP: 0033:0x7f6c36afe120 [ 1290.230758] RSP: 002b:00007ffd5b0864f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1290.238533] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c36afe120 [ 1290.245901] RDX: 00007ffd5b087f33 RSI: 0000000000000000 RDI: 00007ffd5b087f33 [ 1290.253208] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1290.260659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000dd0030 [ 1290.268001] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1290.275522] INFO: task blkid:7302 blocked for more than 140 seconds. [ 1290.282139] Not tainted 4.14.112 #2 [ 1290.286334] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.294969] blkid D28568 7302 7265 0x00000004 [ 1290.300765] Call Trace: [ 1290.303524] __schedule+0x7be/0x1cf0 [ 1290.307269] ? __mutex_lock+0x737/0x1470 [ 1290.311413] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1290.318404] schedule+0x92/0x1c0 [ 1290.321907] schedule_preempt_disabled+0x13/0x20 [ 1290.326748] __mutex_lock+0x73c/0x1470 [ 1290.330859] ? trace_hardirqs_on+0x10/0x10 [ 1290.335251] ? lo_open+0x1d/0xb0 [ 1290.338634] ? refcount_inc_not_zero+0x10/0xe0 [ 1290.343525] ? mutex_trylock+0x1c0/0x1c0 [ 1290.347603] ? find_held_lock+0x35/0x130 [ 1290.351736] ? disk_get_part+0x9c/0x140 [ 1290.355718] ? lock_downgrade+0x6e0/0x6e0 [ 1290.360125] ? loop_unregister_transfer+0x90/0x90 [ 1290.364970] mutex_lock_nested+0x16/0x20 [ 1290.369022] ? mutex_lock_nested+0x16/0x20 [ 1290.373314] lo_open+0x1d/0xb0 [ 1290.376602] __blkdev_get+0x2c9/0x1120 [ 1290.380552] ? __blkdev_put+0x7f0/0x7f0 [ 1290.384530] ? bd_acquire+0x178/0x2c0 [ 1290.388327] ? find_held_lock+0x35/0x130 [ 1290.392621] blkdev_get+0xa8/0x8e0 [ 1290.396532] ? bd_may_claim+0xd0/0xd0 [ 1290.400404] ? _raw_spin_unlock+0x2d/0x50 [ 1290.404602] blkdev_open+0x1d1/0x260 [ 1290.408423] ? security_file_open+0x8f/0x1a0 [ 1290.413028] do_dentry_open+0x73e/0xeb0 [ 1290.417268] ? bd_acquire+0x2c0/0x2c0 [ 1290.421243] vfs_open+0x105/0x230 [ 1290.424719] path_openat+0x8bd/0x3f70 [ 1290.428521] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1290.433516] ? __alloc_fd+0x1d4/0x4a0 [ 1290.437487] do_filp_open+0x18e/0x250 [ 1290.441393] ? may_open_dev+0xe0/0xe0 [ 1290.445309] ? _raw_spin_unlock+0x2d/0x50 [ 1290.449599] ? __alloc_fd+0x1d4/0x4a0 [ 1290.453486] do_sys_open+0x2c5/0x430 [ 1290.457250] ? filp_open+0x70/0x70 [ 1290.460854] SyS_open+0x2d/0x40 [ 1290.464138] ? do_sys_open+0x430/0x430 [ 1290.468090] do_syscall_64+0x1eb/0x630 [ 1290.472055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1290.476935] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1290.483347] RIP: 0033:0x7fda0824b120 [ 1290.494372] RSP: 002b:00007fff316b2ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1290.502305] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda0824b120 [ 1290.509658] RDX: 00007fff316b3f33 RSI: 0000000000000000 RDI: 00007fff316b3f33 [ 1290.517006] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1290.524325] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000012e0030 [ 1290.531873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1290.539224] [ 1290.539224] Showing all locks held in the system: [ 1290.545950] 1 lock held by khungtaskd/1004: [ 1290.550672] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1290.559768] 1 lock held by rsyslogd/6988: [ 1290.564000] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xab/0xd0 [ 1290.573197] 2 locks held by getty/7110: [ 1290.577206] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.586097] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.595676] 2 locks held by getty/7111: [ 1290.599636] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.608432] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.619760] 2 locks held by getty/7112: [ 1290.623892] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.633082] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.642944] 2 locks held by getty/7113: [ 1290.647225] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.656804] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.667317] 2 locks held by getty/7114: [ 1290.671447] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.680685] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.690185] 2 locks held by getty/7115: [ 1290.694797] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.703663] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.713006] 2 locks held by getty/7116: [ 1290.717010] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.725880] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.735245] 3 locks held by syz-executor.2/7155: [ 1290.740147] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xa6/0x7f0 [ 1290.748664] #1: (loop_index_mutex){+.+.}, at: [] lo_release+0x1e/0x1b0 [ 1290.757203] #2: (loop_ctl_mutex#2){+.+.}, at: [] lo_release+0x84/0x1b0 [ 1290.765772] 2 locks held by syz-executor.3/7293: [ 1290.770605] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.778979] #1: (&bdev->bd_mutex){+.+.}, at: [] blkdev_reread_part+0x1f/0x40 [ 1290.788024] 1 lock held by syz-executor.1/7294: [ 1290.792897] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.801436] 1 lock held by blkid/7295: [ 1290.805331] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.813802] 1 lock held by blkid/7296: [ 1290.817831] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.826562] 1 lock held by blkid/7297: [ 1290.830608] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.839071] 2 locks held by syz-executor.0/7298: [ 1290.844078] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.853381] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.861528] 1 lock held by syz-executor.5/7299: [ 1290.866231] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.875105] 2 locks held by blkid/7301: [ 1290.879076] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.887884] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.896214] 2 locks held by blkid/7302: [ 1290.900249] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.908949] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.917189] 1 lock held by syz-executor.4/7303: [ 1290.921908] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.930794] 1 lock held by blkid/7304: [ 1290.934682] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.943512] [ 1290.945140] ============================================= [ 1290.945140] [ 1290.952344] NMI backtrace for cpu 1 [ 1290.956043] CPU: 1 PID: 1004 Comm: khungtaskd Not tainted 4.14.112 #2 [ 1290.962620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1290.971994] Call Trace: [ 1290.974581] dump_stack+0x138/0x19c [ 1290.978320] nmi_cpu_backtrace.cold+0x57/0x94 [ 1290.983024] ? irq_force_complete_move.cold+0x7d/0x7d [ 1290.988218] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1290.993512] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1290.998718] watchdog+0x5d8/0xb80 [ 1291.002174] kthread+0x31c/0x430 [ 1291.005551] ? reset_hung_task_detector+0x20/0x20 [ 1291.010389] ? kthread_create_on_node+0xd0/0xd0 [ 1291.015075] ret_from_fork+0x3a/0x50 [ 1291.018991] Sending NMI from CPU 1 to CPUs 0: [ 1291.024018] NMI backtrace for cpu 0 [ 1291.024022] CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.112 #2 [ 1291.024027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1291.024030] Workqueue: bat_events batadv_nc_worker [ 1291.024035] task: ffff8880a9e425c0 task.stack: ffff8880a9e48000 [ 1291.024038] RIP: 0010:mark_lock+0xab/0x1250 [ 1291.024041] RSP: 0018:ffff8880a9e4fb60 EFLAGS: 00000046 [ 1291.024046] RAX: dffffc0000000000 RBX: ffffffff88d2f910 RCX: 1ffff110153c85d1 [ 1291.024050] RDX: 1ffffffff11a5f28 RSI: ffff8880a9e42e68 RDI: ffffffff88d2f940 [ 1291.024053] RBP: ffff8880a9e4fba8 R08: 0000000000000001 R09: ffff8880a9e42e88 [ 1291.024057] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a9e42e68 [ 1291.024060] R13: 0000000000000004 R14: 0000000000000002 R15: ffff8880a9e425c0 [ 1291.024064] FS: 0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 1291.024067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1291.024071] CR2: 00000000016f0000 CR3: 000000008b80b000 CR4: 00000000001406f0 [ 1291.024074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1291.024078] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1291.024080] Call Trace: [ 1291.024083] ? find_held_lock+0x35/0x130 [ 1291.024085] mark_held_locks+0xb1/0x100 [ 1291.024088] ? __local_bh_enable_ip+0x99/0x1a0 [ 1291.024091] ? batadv_nc_to_purge_nc_path_coding+0x140/0x140 [ 1291.024094] trace_hardirqs_on_caller+0x19b/0x590 [ 1291.024097] ? batadv_nc_purge_paths+0x245/0x350 [ 1291.024099] trace_hardirqs_on+0xd/0x10 [ 1291.024102] __local_bh_enable_ip+0x99/0x1a0 [ 1291.024105] _raw_spin_unlock_bh+0x31/0x40 [ 1291.024118] batadv_nc_purge_paths+0x245/0x350 [ 1291.024120] ? lock_downgrade+0x6e0/0x6e0 [ 1291.024123] batadv_nc_worker+0x270/0x6d0 [ 1291.024126] process_one_work+0x868/0x1610 [ 1291.024128] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1291.024131] worker_thread+0x5d9/0x1050 [ 1291.024133] kthread+0x31c/0x430 [ 1291.024136] ? process_one_work+0x1610/0x1610 [ 1291.024139] ? kthread_create_on_node+0xd0/0xd0 [ 1291.024141] ret_from_fork+0x3a/0x50 [ 1291.024143] Code: 50 01 00 00 48 81 eb 50 01 00 00 48 81 c3 00 04 cc 88 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 6c 0d 00 00 4c 85 6b 30 0f 84 a8 00 00 00 41 bd 01 00 00 [ 1291.024594] Kernel panic - not syncing: hung_task: blocked tasks [ 1291.248183] CPU: 1 PID: 1004 Comm: khungtaskd Not tainted 4.14.112 #2 [ 1291.254752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1291.264100] Call Trace: [ 1291.266732] dump_stack+0x138/0x19c [ 1291.270642] panic+0x1f2/0x438 [ 1291.273837] ? add_taint.cold+0x16/0x16 [ 1291.277828] ? irq_force_complete_move.cold+0x7d/0x7d [ 1291.283107] watchdog+0x5e9/0xb80 [ 1291.286567] kthread+0x31c/0x430 [ 1291.289944] ? reset_hung_task_detector+0x20/0x20 [ 1291.295231] ? kthread_create_on_node+0xd0/0xd0 [ 1291.302577] ret_from_fork+0x3a/0x50 [ 1291.307486] Kernel Offset: disabled [ 1291.311146] Rebooting in 86400 seconds..