[ 32.512663] audit: type=1800 audit(1556420709.122:34): pid=6798 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: [ 35.014877] random: sshd: uninitialized urandom read (32 bytes read) [ 35.299665] audit: type=1400 audit(1556420711.932:35): avc: denied { map } for pid=6973 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 [ 35.343267] random: sshd: uninitialized urandom read (32 bytes read) [ 35.936902] random: sshd: uninitialized urandom read (32 bytes read) [ 744.942175] audit: type=1400 audit(1556421421.582:36): avc: denied { map } for pid=6981 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 [ 976.437687] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. [ 982.033953] random: sshd: uninitialized urandom read (32 bytes read) [ 982.216529] audit: type=1400 audit(1556421658.852:37): avc: denied { map } for pid=6988 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 2019/04/28 03:20:59 parsed 1 programs [ 982.997216] audit: type=1400 audit(1556421659.632:38): avc: denied { map } for pid=6988 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13809 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 983.813373] random: cc1: uninitialized urandom read (8 bytes read) 2019/04/28 03:21:01 executed programs: 0 [ 984.946699] audit: type=1400 audit(1556421661.582:39): avc: denied { map } for pid=6988 comm="syz-execprog" path="/root/syzkaller-shm151779844" 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 [ 985.710251] IPVS: ftp: loaded support on port[0] = 21 [ 986.035081] chnl_net:caif_netlink_parms(): no params data found [ 986.044876] IPVS: ftp: loaded support on port[0] = 21 [ 986.106740] bridge0: port 1(bridge_slave_0) entered blocking state [ 986.114110] bridge0: port 1(bridge_slave_0) entered disabled state [ 986.121445] device bridge_slave_0 entered promiscuous mode [ 986.135973] bridge0: port 2(bridge_slave_1) entered blocking state [ 986.142500] bridge0: port 2(bridge_slave_1) entered disabled state [ 986.149566] device bridge_slave_1 entered promiscuous mode [ 986.169090] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 986.178781] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 986.201818] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 986.209199] team0: Port device team_slave_0 added [ 986.215210] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 986.222568] team0: Port device team_slave_1 added [ 986.231154] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 986.243018] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 986.250496] IPVS: ftp: loaded support on port[0] = 21 [ 986.322569] device hsr_slave_0 entered promiscuous mode [ 986.380485] device hsr_slave_1 entered promiscuous mode [ 986.451095] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 986.470276] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 986.479769] chnl_net:caif_netlink_parms(): no params data found [ 986.553544] IPVS: ftp: loaded support on port[0] = 21 [ 986.598474] bridge0: port 1(bridge_slave_0) entered blocking state [ 986.605104] bridge0: port 1(bridge_slave_0) entered disabled state [ 986.612513] device bridge_slave_0 entered promiscuous mode [ 986.629557] bridge0: port 2(bridge_slave_1) entered blocking state [ 986.637373] bridge0: port 2(bridge_slave_1) entered disabled state [ 986.644505] device bridge_slave_1 entered promiscuous mode [ 986.667626] bridge0: port 2(bridge_slave_1) entered blocking state [ 986.674286] bridge0: port 2(bridge_slave_1) entered forwarding state [ 986.681338] bridge0: port 1(bridge_slave_0) entered blocking state [ 986.687791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 986.701926] chnl_net:caif_netlink_parms(): no params data found [ 986.724428] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 986.736107] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 986.761562] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 986.768945] team0: Port device team_slave_0 added [ 986.785883] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 986.793854] team0: Port device team_slave_1 added [ 986.808000] IPVS: ftp: loaded support on port[0] = 21 [ 986.823002] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 986.830838] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 986.881956] bridge0: port 1(bridge_slave_0) entered blocking state [ 986.888407] bridge0: port 1(bridge_slave_0) entered disabled state [ 986.895835] device bridge_slave_0 entered promiscuous mode [ 986.942885] device hsr_slave_0 entered promiscuous mode [ 986.980513] device hsr_slave_1 entered promiscuous mode [ 987.031250] bridge0: port 1(bridge_slave_0) entered disabled state [ 987.038258] bridge0: port 2(bridge_slave_1) entered disabled state [ 987.061212] bridge0: port 2(bridge_slave_1) entered blocking state [ 987.067607] bridge0: port 2(bridge_slave_1) entered disabled state [ 987.078263] device bridge_slave_1 entered promiscuous mode [ 987.094617] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 987.103521] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 987.173925] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 987.184828] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 987.224979] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 987.232188] team0: Port device team_slave_0 added [ 987.237896] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 987.245258] team0: Port device team_slave_1 added [ 987.250599] chnl_net:caif_netlink_parms(): no params data found [ 987.262633] IPVS: ftp: loaded support on port[0] = 21 [ 987.268287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 987.276456] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 987.289713] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 987.298533] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 987.312587] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 987.372303] device hsr_slave_0 entered promiscuous mode [ 987.430408] device hsr_slave_1 entered promiscuous mode [ 987.481132] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 987.488746] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 987.497678] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 987.529508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 987.537659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 987.579566] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 987.585912] 8021q: adding VLAN 0 to HW filter on device team0 [ 987.601998] bridge0: port 1(bridge_slave_0) entered blocking state [ 987.608513] bridge0: port 1(bridge_slave_0) entered disabled state [ 987.616097] device bridge_slave_0 entered promiscuous mode [ 987.630721] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 987.638171] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 987.684905] bridge0: port 2(bridge_slave_1) entered blocking state [ 987.691722] bridge0: port 2(bridge_slave_1) entered disabled state [ 987.698704] device bridge_slave_1 entered promiscuous mode [ 987.710974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 987.718871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 987.726648] bridge0: port 1(bridge_slave_0) entered blocking state [ 987.733059] bridge0: port 1(bridge_slave_0) entered forwarding state [ 987.742270] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 987.752917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 987.761062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 987.769141] bridge0: port 2(bridge_slave_1) entered blocking state [ 987.775552] bridge0: port 2(bridge_slave_1) entered forwarding state [ 987.814345] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 987.839643] chnl_net:caif_netlink_parms(): no params data found [ 987.850434] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 987.897285] chnl_net:caif_netlink_parms(): no params data found [ 987.916044] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 987.939753] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 987.948094] team0: Port device team_slave_0 added [ 987.961549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 987.973864] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 987.985004] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 987.992672] team0: Port device team_slave_1 added [ 987.998111] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 988.006191] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 988.015199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 988.025918] 8021q: adding VLAN 0 to HW filter on device bond0 [ 988.033261] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 988.076069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 988.084392] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 988.092452] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 988.162889] device hsr_slave_0 entered promiscuous mode [ 988.200500] device hsr_slave_1 entered promiscuous mode [ 988.240758] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 988.247916] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 988.256835] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 988.273552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 988.280780] bridge0: port 1(bridge_slave_0) entered blocking state [ 988.287143] bridge0: port 1(bridge_slave_0) entered disabled state [ 988.294488] device bridge_slave_0 entered promiscuous mode [ 988.311995] bridge0: port 1(bridge_slave_0) entered blocking state [ 988.318416] bridge0: port 1(bridge_slave_0) entered disabled state [ 988.326017] device bridge_slave_0 entered promiscuous mode [ 988.333299] bridge0: port 2(bridge_slave_1) entered blocking state [ 988.339686] bridge0: port 2(bridge_slave_1) entered disabled state [ 988.347048] device bridge_slave_1 entered promiscuous mode [ 988.354461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 988.362248] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 988.371996] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 988.379931] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 988.388839] bridge0: port 2(bridge_slave_1) entered blocking state [ 988.395519] bridge0: port 2(bridge_slave_1) entered disabled state [ 988.402683] device bridge_slave_1 entered promiscuous mode [ 988.423413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 988.431254] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 988.439042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 988.446230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 988.463790] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 988.469917] 8021q: adding VLAN 0 to HW filter on device team0 [ 988.479800] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 988.503448] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 988.512864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 988.520746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 988.529459] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 988.538150] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 988.548861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 988.557214] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 988.585669] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 988.595754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 988.604327] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 988.611146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 988.618463] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 988.626144] team0: Port device team_slave_0 added [ 988.632669] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 988.639949] team0: Port device team_slave_1 added [ 988.659763] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 988.667153] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 988.675177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 988.682988] bridge0: port 1(bridge_slave_0) entered blocking state [ 988.689345] bridge0: port 1(bridge_slave_0) entered forwarding state [ 988.696742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 988.707254] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 988.719094] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 988.726666] team0: Port device team_slave_0 added [ 988.734508] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 988.742741] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 988.755486] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 988.764126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 988.771629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 988.778488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 988.786437] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 988.794470] bridge0: port 2(bridge_slave_1) entered blocking state [ 988.800875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 988.808840] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 988.817340] team0: Port device team_slave_1 added [ 988.824248] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 988.832207] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 988.849930] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 988.856538] 8021q: adding VLAN 0 to HW filter on device team0 [ 988.871402] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 988.953338] device hsr_slave_0 entered promiscuous mode [ 988.990500] device hsr_slave_1 entered promiscuous mode [ 989.034198] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 989.042942] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 989.051226] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 989.058973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 989.066700] bridge0: port 1(bridge_slave_0) entered blocking state [ 989.073090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 989.087510] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 989.098371] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 989.106983] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 989.116204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 989.123628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 989.172362] device hsr_slave_0 entered promiscuous mode [ 989.210407] device hsr_slave_1 entered promiscuous mode [ 989.290978] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 989.299125] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 989.307423] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 989.318353] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 989.326574] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 989.339343] 8021q: adding VLAN 0 to HW filter on device bond0 [ 989.347531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 989.363719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 989.373050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 989.381252] bridge0: port 2(bridge_slave_1) entered blocking state [ 989.387802] bridge0: port 2(bridge_slave_1) entered forwarding state [ 989.395259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 989.403259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 989.413935] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 989.423683] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 989.433813] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 989.443882] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 989.451958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 989.461534] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 989.470842] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 989.477020] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 989.485195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 989.492946] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 989.499862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 989.509181] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 989.521512] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 989.538583] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 989.546878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 989.555731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 989.564288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 989.573991] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 989.586665] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 989.594103] 8021q: adding VLAN 0 to HW filter on device team0 [ 989.601684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 989.609537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 989.620123] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 989.632256] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 989.651578] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 989.659734] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 989.666848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 989.674669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 989.682798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 989.691187] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 989.704811] bridge0: port 1(bridge_slave_0) entered blocking state [ 989.711262] bridge0: port 1(bridge_slave_0) entered forwarding state [ 989.718507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 989.726873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 989.735999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 989.748078] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 989.757049] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 989.771413] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 989.777499] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 989.791366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 989.799292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 989.807573] bridge0: port 2(bridge_slave_1) entered blocking state [ 989.813986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 989.821657] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 989.832300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 989.850386] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 989.862909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 989.885212] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 989.901584] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready 2019/04/28 03:21:06 executed programs: 7 [ 989.909022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 989.918426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 989.926293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 989.942873] 8021q: adding VLAN 0 to HW filter on device bond0 [ 989.951286] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 989.970586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 989.982975] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 989.996848] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 990.009091] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 990.044901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 990.054514] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 990.064882] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 990.078892] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 990.087664] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 990.099835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 990.109441] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 990.119998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 990.128545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 990.137014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 990.145337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 990.161704] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 990.175548] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 990.188149] 8021q: adding VLAN 0 to HW filter on device bond0 [ 990.207337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 990.222357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 990.233630] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 990.242603] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 990.248704] 8021q: adding VLAN 0 to HW filter on device team0 [ 990.273065] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 990.281131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 990.288756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 990.299855] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 990.307354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 990.319337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 990.336870] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 990.357204] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 990.367521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 990.380346] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 990.388144] bridge0: port 1(bridge_slave_0) entered blocking state [ 990.394590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 990.403929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 990.411353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 990.418922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 990.428892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 990.447330] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 990.469198] 8021q: adding VLAN 0 to HW filter on device team0 [ 990.492571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 990.506371] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 990.514309] bridge0: port 2(bridge_slave_1) entered blocking state [ 990.520721] bridge0: port 2(bridge_slave_1) entered forwarding state [ 990.530566] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 990.539242] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 990.563971] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 990.573533] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 990.585452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 990.600661] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 990.610770] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 990.625167] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 990.635304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 990.647096] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 990.659387] bridge0: port 1(bridge_slave_0) entered blocking state [ 990.665883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 990.676228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 990.684478] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 990.692140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 990.699807] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 990.707991] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 990.715723] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 990.735369] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 990.747328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 990.756090] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 990.776136] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 990.794752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 990.808889] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 990.817542] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 990.827301] bridge0: port 2(bridge_slave_1) entered blocking state [ 990.833767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 990.841296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 990.848953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 990.859393] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 990.878969] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 990.888814] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 990.898017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 990.909447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 990.918050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 990.933712] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 990.941798] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 990.955606] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 990.966896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 990.983758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 990.991731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 990.999347] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 991.007780] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 991.016621] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 991.043858] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 991.051047] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 991.058788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 991.080515] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 991.088850] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 991.105732] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 991.116241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 991.127287] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 991.136616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 991.155810] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 991.171069] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1144.790258] INFO: task syz-executor.5:7014 blocked for more than 140 seconds. [ 1144.797823] Not tainted 4.14.114 #4 [ 1144.802097] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.810173] syz-executor.5 D24992 7014 1 0x00000004 [ 1144.815973] Call Trace: [ 1144.818601] __schedule+0x7be/0x1cf0 [ 1144.822477] ? __mutex_lock+0x737/0x1470 [ 1144.826573] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1144.831675] schedule+0x92/0x1c0 [ 1144.835054] schedule_preempt_disabled+0x13/0x20 [ 1144.839798] __mutex_lock+0x73c/0x1470 [ 1144.843822] ? trace_hardirqs_on+0x10/0x10 [ 1144.848069] ? lo_release+0x84/0x1b0 [ 1144.851871] ? save_trace+0x250/0x290 [ 1144.855910] ? mutex_trylock+0x1c0/0x1c0 [ 1144.859963] ? __blkdev_put+0x397/0x7f0 [ 1144.864048] ? find_held_lock+0x35/0x130 [ 1144.868119] ? __blkdev_put+0x397/0x7f0 [ 1144.872295] ? loop_clr_fd+0xae0/0xae0 [ 1144.876197] mutex_lock_nested+0x16/0x20 [ 1144.880384] ? mutex_lock_nested+0x16/0x20 [ 1144.884669] lo_release+0x84/0x1b0 [ 1144.888215] ? loop_clr_fd+0xae0/0xae0 [ 1144.892172] __blkdev_put+0x436/0x7f0 [ 1144.895985] ? bd_set_size+0xb0/0xb0 [ 1144.899684] ? wait_for_completion+0x420/0x420 [ 1144.904411] blkdev_put+0x88/0x510 [ 1144.907956] ? fcntl_setlk+0xb90/0xb90 [ 1144.911931] ? blkdev_put+0x510/0x510 [ 1144.915740] blkdev_close+0x8b/0xb0 [ 1144.919474] __fput+0x277/0x7a0 [ 1144.922937] ____fput+0x16/0x20 [ 1144.926230] task_work_run+0x119/0x190 [ 1144.930207] exit_to_usermode_loop+0x1da/0x220 [ 1144.934856] do_syscall_64+0x4a9/0x630 [ 1144.938793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.944550] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.949756] RIP: 0033:0x412b40 [ 1144.953035] RSP: 002b:00007ffc417a6aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1144.960872] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000412b40 [ 1144.968256] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 [ 1144.975627] RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000000000a [ 1144.982999] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1144.990506] R13: 00007ffc417a6ae0 R14: 00000000000f2464 R15: 00007ffc417a6af0 [ 1144.997842] INFO: task syz-executor.1:7163 blocked for more than 140 seconds. [ 1145.005214] Not tainted 4.14.114 #4 [ 1145.009499] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.017638] syz-executor.1 D28176 7163 7007 0x00000004 [ 1145.023332] Call Trace: [ 1145.025974] __schedule+0x7be/0x1cf0 [ 1145.029686] ? __mutex_lock+0x737/0x1470 [ 1145.033974] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.039016] schedule+0x92/0x1c0 [ 1145.042642] schedule_preempt_disabled+0x13/0x20 [ 1145.047426] __mutex_lock+0x73c/0x1470 [ 1145.051427] ? lo_ioctl+0x87/0x1c70 [ 1145.055064] ? lock_downgrade+0x621/0x6e0 [ 1145.059213] ? mutex_trylock+0x1c0/0x1c0 [ 1145.063351] ? avc_has_extended_perms+0x8ec/0xe40 [ 1145.068204] ? futex_wake+0x134/0x430 [ 1145.072084] ? avc_ss_reset+0x110/0x110 [ 1145.076079] mutex_lock_nested+0x16/0x20 [ 1145.080200] ? mutex_lock_nested+0x16/0x20 [ 1145.084447] lo_ioctl+0x87/0x1c70 [ 1145.087903] ? trace_hardirqs_on+0x10/0x10 [ 1145.092259] ? loop_probe+0x160/0x160 [ 1145.096217] blkdev_ioctl+0x983/0x1880 [ 1145.100171] ? blkpg_ioctl+0x980/0x980 [ 1145.104070] ? __might_fault+0x110/0x1d0 [ 1145.108127] ? __might_sleep+0x93/0xb0 [ 1145.112534] block_ioctl+0xde/0x120 [ 1145.116189] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.120566] do_vfs_ioctl+0x7b9/0x1070 [ 1145.124476] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1145.129268] ? ioctl_preallocate+0x1c0/0x1c0 [ 1145.133767] ? put_timespec64+0xb4/0x100 [ 1145.137854] ? nsecs_to_jiffies+0x30/0x30 [ 1145.142092] ? security_file_ioctl+0x83/0xc0 [ 1145.146523] ? security_file_ioctl+0x8f/0xc0 [ 1145.151048] SyS_ioctl+0x8f/0xc0 [ 1145.154434] ? do_vfs_ioctl+0x1070/0x1070 [ 1145.158767] do_syscall_64+0x1eb/0x630 [ 1145.162755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.167634] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.172898] RIP: 0033:0x458da9 [ 1145.176102] RSP: 002b:00007ffd0b4eb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1145.183899] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 1145.191432] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000003 [ 1145.198725] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1145.206072] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000017d0914 [ 1145.213407] R13: 00000000004c2093 R14: 00000000004d4958 R15: 00000000ffffffff [ 1145.220886] INFO: task blkid:7164 blocked for more than 140 seconds. [ 1145.227394] Not tainted 4.14.114 #4 [ 1145.231883] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.239875] blkid D28744 7164 6968 0x00000004 [ 1145.245641] Call Trace: [ 1145.248315] __schedule+0x7be/0x1cf0 [ 1145.252202] ? __mutex_lock+0x737/0x1470 [ 1145.256276] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.261572] schedule+0x92/0x1c0 [ 1145.264982] schedule_preempt_disabled+0x13/0x20 [ 1145.269750] __mutex_lock+0x73c/0x1470 [ 1145.273864] ? lo_ioctl+0x87/0x1c70 [ 1145.277511] ? lock_downgrade+0x620/0x6e0 [ 1145.281742] ? mutex_trylock+0x1c0/0x1c0 [ 1145.286009] ? avc_has_extended_perms+0x8ec/0xe40 [ 1145.290954] ? __might_fault+0x110/0x1d0 [ 1145.295037] ? avc_ss_reset+0x110/0x110 [ 1145.299019] mutex_lock_nested+0x16/0x20 [ 1145.303191] ? mutex_lock_nested+0x16/0x20 [ 1145.307648] lo_ioctl+0x87/0x1c70 [ 1145.311368] ? loop_probe+0x160/0x160 [ 1145.315250] blkdev_ioctl+0x983/0x1880 [ 1145.319183] ? blkpg_ioctl+0x980/0x980 [ 1145.323186] ? __might_sleep+0x93/0xb0 [ 1145.327138] ? save_trace+0x290/0x290 [ 1145.331128] block_ioctl+0xde/0x120 [ 1145.334777] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.339093] do_vfs_ioctl+0x7b9/0x1070 [ 1145.343065] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1145.347892] ? ioctl_preallocate+0x1c0/0x1c0 [ 1145.352382] ? lock_downgrade+0x6e0/0x6e0 [ 1145.356564] ? security_file_ioctl+0x83/0xc0 [ 1145.361052] ? security_file_ioctl+0x8f/0xc0 [ 1145.365666] SyS_ioctl+0x8f/0xc0 [ 1145.369028] ? do_vfs_ioctl+0x1070/0x1070 [ 1145.373247] do_syscall_64+0x1eb/0x630 [ 1145.377144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.382062] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.387263] RIP: 0033:0x7f53e5150347 [ 1145.391054] RSP: 002b:00007ffc7c36d138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1145.398966] RAX: ffffffffffffffda RBX: 0000000001d18030 RCX: 00007f53e5150347 [ 1145.406484] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1145.413827] RBP: 0000000000000003 R08: 00007f53e54005a0 R09: 0000000000000008 [ 1145.421175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1145.428495] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1145.436029] INFO: task blkid:7165 blocked for more than 140 seconds. [ 1145.442602] Not tainted 4.14.114 #4 [ 1145.446752] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.454849] blkid D29040 7165 7082 0x00000004 [ 1145.460568] Call Trace: [ 1145.463177] __schedule+0x7be/0x1cf0 [ 1145.466887] ? __mutex_lock+0x737/0x1470 [ 1145.471068] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.476110] schedule+0x92/0x1c0 [ 1145.479633] schedule_preempt_disabled+0x13/0x20 [ 1145.484493] __mutex_lock+0x73c/0x1470 [ 1145.488451] ? lo_ioctl+0x87/0x1c70 [ 1145.492189] ? lock_downgrade+0x620/0x6e0 [ 1145.496352] ? mutex_trylock+0x1c0/0x1c0 [ 1145.500500] ? avc_has_extended_perms+0x8ec/0xe40 [ 1145.505365] ? __might_fault+0x110/0x1d0 [ 1145.509473] ? avc_ss_reset+0x110/0x110 [ 1145.513544] mutex_lock_nested+0x16/0x20 [ 1145.517640] ? mutex_lock_nested+0x16/0x20 [ 1145.521945] lo_ioctl+0x87/0x1c70 [ 1145.525432] ? loop_probe+0x160/0x160 [ 1145.529312] blkdev_ioctl+0x983/0x1880 [ 1145.533291] ? blkpg_ioctl+0x980/0x980 [ 1145.537190] ? __might_sleep+0x93/0xb0 [ 1145.541139] ? save_trace+0x290/0x290 [ 1145.544949] block_ioctl+0xde/0x120 [ 1145.548622] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.553050] do_vfs_ioctl+0x7b9/0x1070 [ 1145.556967] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1145.561789] ? ioctl_preallocate+0x1c0/0x1c0 [ 1145.566216] ? lock_downgrade+0x6e0/0x6e0 [ 1145.570469] ? security_file_ioctl+0x83/0xc0 [ 1145.574887] ? security_file_ioctl+0x8f/0xc0 [ 1145.579472] SyS_ioctl+0x8f/0xc0 [ 1145.582989] ? do_vfs_ioctl+0x1070/0x1070 [ 1145.587313] do_syscall_64+0x1eb/0x630 [ 1145.591305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.596286] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.601727] RIP: 0033:0x7efc97507347 [ 1145.605452] RSP: 002b:00007ffc5a621bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1145.613393] RAX: ffffffffffffffda RBX: 0000000001e8c030 RCX: 00007efc97507347 [ 1145.620742] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1145.628023] RBP: 0000000000000003 R08: 00007efc977b75a0 R09: 0000000000000008 [ 1145.635389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1145.642833] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1145.650219] INFO: task syz-executor.2:7166 blocked for more than 140 seconds. [ 1145.657507] Not tainted 4.14.114 #4 [ 1145.661731] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.669707] syz-executor.2 D28528 7166 7004 0x00000004 [ 1145.675510] Call Trace: [ 1145.678116] __schedule+0x7be/0x1cf0 [ 1145.681897] ? __mutex_lock+0x737/0x1470 [ 1145.685971] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.691158] schedule+0x92/0x1c0 [ 1145.694606] schedule_preempt_disabled+0x13/0x20 [ 1145.699375] __mutex_lock+0x73c/0x1470 [ 1145.703392] ? lo_ioctl+0x87/0x1c70 [ 1145.707092] ? lock_downgrade+0x620/0x6e0 [ 1145.711339] ? mutex_trylock+0x1c0/0x1c0 [ 1145.715458] ? avc_has_extended_perms+0x8ec/0xe40 [ 1145.720382] ? futex_wake+0x134/0x430 [ 1145.724203] ? avc_ss_reset+0x110/0x110 [ 1145.728177] mutex_lock_nested+0x16/0x20 [ 1145.732321] ? mutex_lock_nested+0x16/0x20 [ 1145.736655] lo_ioctl+0x87/0x1c70 [ 1145.740280] ? trace_hardirqs_on+0x10/0x10 [ 1145.744568] ? loop_probe+0x160/0x160 [ 1145.748374] blkdev_ioctl+0x983/0x1880 [ 1145.752356] ? blkpg_ioctl+0x980/0x980 [ 1145.756371] ? __might_fault+0x110/0x1d0 [ 1145.760500] ? __might_sleep+0x93/0xb0 [ 1145.764419] block_ioctl+0xde/0x120 [ 1145.768039] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.772459] do_vfs_ioctl+0x7b9/0x1070 [ 1145.776357] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1145.781175] ? ioctl_preallocate+0x1c0/0x1c0 [ 1145.785771] ? put_timespec64+0xb4/0x100 [ 1145.789924] ? nsecs_to_jiffies+0x30/0x30 [ 1145.794212] ? security_file_ioctl+0x83/0xc0 [ 1145.798649] ? security_file_ioctl+0x8f/0xc0 [ 1145.803146] SyS_ioctl+0x8f/0xc0 [ 1145.806532] ? do_vfs_ioctl+0x1070/0x1070 [ 1145.810814] do_syscall_64+0x1eb/0x630 [ 1145.814723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1145.819673] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.825017] RIP: 0033:0x458da9 [ 1145.828216] RSP: 002b:00007ffff11d1248 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1145.836051] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 1145.843396] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000003 [ 1145.850772] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1145.858209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000bf3914 [ 1145.865660] R13: 00000000004c2093 R14: 00000000004d4958 R15: 00000000ffffffff [ 1145.873239] INFO: task blkid:7167 blocked for more than 140 seconds. [ 1145.879907] Not tainted 4.14.114 #4 [ 1145.884122] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.892171] blkid D29040 7167 6969 0x00000004 [ 1145.897941] Call Trace: [ 1145.900633] __schedule+0x7be/0x1cf0 [ 1145.904366] ? __mutex_lock+0x737/0x1470 [ 1145.908477] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1145.913645] schedule+0x92/0x1c0 [ 1145.917026] schedule_preempt_disabled+0x13/0x20 [ 1145.921895] __mutex_lock+0x73c/0x1470 [ 1145.925816] ? lo_ioctl+0x87/0x1c70 [ 1145.929462] ? lock_downgrade+0x620/0x6e0 [ 1145.933722] ? mutex_trylock+0x1c0/0x1c0 [ 1145.937846] ? avc_has_extended_perms+0x8ec/0xe40 [ 1145.942821] ? __might_fault+0x110/0x1d0 [ 1145.947307] ? avc_ss_reset+0x110/0x110 [ 1145.951408] mutex_lock_nested+0x16/0x20 [ 1145.955489] ? mutex_lock_nested+0x16/0x20 [ 1145.959906] lo_ioctl+0x87/0x1c70 [ 1145.963448] ? loop_probe+0x160/0x160 [ 1145.967268] blkdev_ioctl+0x983/0x1880 [ 1145.971214] ? blkpg_ioctl+0x980/0x980 [ 1145.975122] ? __might_sleep+0x93/0xb0 [ 1145.979216] ? save_trace+0x290/0x290 [ 1145.983095] block_ioctl+0xde/0x120 [ 1145.986736] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.991128] do_vfs_ioctl+0x7b9/0x1070 [ 1145.995031] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1145.999778] ? ioctl_preallocate+0x1c0/0x1c0 [ 1146.004268] ? lock_downgrade+0x6e0/0x6e0 [ 1146.008440] ? security_file_ioctl+0x83/0xc0 [ 1146.012967] ? security_file_ioctl+0x8f/0xc0 [ 1146.017424] SyS_ioctl+0x8f/0xc0 [ 1146.020858] ? do_vfs_ioctl+0x1070/0x1070 [ 1146.025069] do_syscall_64+0x1eb/0x630 [ 1146.028958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.033883] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.039197] RIP: 0033:0x7fe920318347 [ 1146.042956] RSP: 002b:00007fff1738d098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1146.050743] RAX: ffffffffffffffda RBX: 00000000018b5030 RCX: 00007fe920318347 [ 1146.058158] RDX: 0000000000000000 RSI: 0000000000005331 RDI: 0000000000000003 [ 1146.065553] RBP: 0000000000000003 R08: 00007fe9205c85a0 R09: 0000000000000008 [ 1146.073002] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1146.080352] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1146.087762] INFO: task syz-executor.4:7168 blocked for more than 140 seconds. [ 1146.095285] Not tainted 4.14.114 #4 [ 1146.099446] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.107527] syz-executor.4 D28528 7168 7013 0x00000004 [ 1146.113291] Call Trace: [ 1146.115892] __schedule+0x7be/0x1cf0 [ 1146.119666] ? __mutex_lock+0x737/0x1470 [ 1146.123870] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1146.128907] schedule+0x92/0x1c0 [ 1146.132357] schedule_preempt_disabled+0x13/0x20 [ 1146.137240] __mutex_lock+0x73c/0x1470 [ 1146.141218] ? blkdev_reread_part+0x1f/0x40 [ 1146.145596] ? mutex_trylock+0x1c0/0x1c0 [ 1146.149696] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1146.155033] ? __wake_up_common_lock+0xe3/0x160 [ 1146.159716] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1146.164879] mutex_lock_nested+0x16/0x20 [ 1146.169046] ? mutex_lock_nested+0x16/0x20 [ 1146.173347] blkdev_reread_part+0x1f/0x40 [ 1146.177506] loop_reread_partitions+0x7c/0x90 [ 1146.182066] loop_set_status+0xc28/0x1200 [ 1146.186222] loop_set_status64+0xa6/0xf0 [ 1146.190368] ? loop_set_status_old+0x2d0/0x2d0 [ 1146.194988] ? ns_capable_common+0x12c/0x160 [ 1146.199393] lo_ioctl+0x5c1/0x1c70 [ 1146.203060] ? trace_hardirqs_on+0x10/0x10 [ 1146.207311] ? loop_probe+0x160/0x160 [ 1146.211221] blkdev_ioctl+0x983/0x1880 [ 1146.215120] ? blkpg_ioctl+0x980/0x980 [ 1146.219087] ? __might_fault+0x110/0x1d0 [ 1146.223239] ? __might_sleep+0x93/0xb0 [ 1146.227138] block_ioctl+0xde/0x120 [ 1146.230866] ? blkdev_fallocate+0x3b0/0x3b0 [ 1146.235246] do_vfs_ioctl+0x7b9/0x1070 [ 1146.239135] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1146.243969] ? ioctl_preallocate+0x1c0/0x1c0 [ 1146.248572] ? put_timespec64+0xb4/0x100 [ 1146.252733] ? nsecs_to_jiffies+0x30/0x30 [ 1146.256963] ? security_file_ioctl+0x83/0xc0 [ 1146.261462] ? security_file_ioctl+0x8f/0xc0 [ 1146.265883] SyS_ioctl+0x8f/0xc0 [ 1146.269244] ? do_vfs_ioctl+0x1070/0x1070 [ 1146.273479] do_syscall_64+0x1eb/0x630 [ 1146.277424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.282344] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.287616] RIP: 0033:0x458da9 [ 1146.290999] RSP: 002b:00007ffe96380418 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1146.298787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 1146.306184] RDX: 0000000020000080 RSI: 0000000000004c04 RDI: 0000000000000003 [ 1146.313573] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1146.320925] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000a7d914 [ 1146.328302] R13: 00000000004c219c R14: 00000000004d4a78 R15: 00000000ffffffff [ 1146.335815] INFO: task syz-executor.0:7169 blocked for more than 140 seconds. [ 1146.343146] Not tainted 4.14.114 #4 [ 1146.347392] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.355467] syz-executor.0 D28368 7169 7009 0x00000004 [ 1146.361161] Call Trace: [ 1146.363750] __schedule+0x7be/0x1cf0 [ 1146.367549] ? __mutex_lock+0x737/0x1470 [ 1146.371712] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1146.376745] schedule+0x92/0x1c0 [ 1146.380183] schedule_preempt_disabled+0x13/0x20 [ 1146.385058] __mutex_lock+0x73c/0x1470 [ 1146.388993] ? lo_open+0x1d/0xb0 [ 1146.392572] ? refcount_add+0x40/0x50 [ 1146.396395] ? mutex_trylock+0x1c0/0x1c0 [ 1146.400555] ? exact_match+0xd/0x20 [ 1146.404201] ? kobj_lookup+0x319/0x410 [ 1146.408192] ? loop_unregister_transfer+0x90/0x90 [ 1146.413113] mutex_lock_nested+0x16/0x20 [ 1146.417220] ? mutex_lock_nested+0x16/0x20 [ 1146.421516] lo_open+0x1d/0xb0 [ 1146.424720] __blkdev_get+0xab1/0x1120 [ 1146.428601] ? __blkdev_put+0x7f0/0x7f0 [ 1146.432675] ? bd_acquire+0x178/0x2c0 [ 1146.436490] ? find_held_lock+0x35/0x130 [ 1146.440636] blkdev_get+0xa8/0x8e0 [ 1146.444191] ? bd_may_claim+0xd0/0xd0 [ 1146.448043] ? _raw_spin_unlock+0x2d/0x50 [ 1146.452273] blkdev_open+0x1d1/0x260 [ 1146.456071] ? security_file_open+0x8f/0x1a0 [ 1146.460556] do_dentry_open+0x73e/0xeb0 [ 1146.464541] ? bd_acquire+0x2c0/0x2c0 [ 1146.468329] vfs_open+0x105/0x230 [ 1146.471852] path_openat+0x8bd/0x3f70 [ 1146.475667] ? trace_hardirqs_on+0x10/0x10 [ 1146.479899] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1146.484655] ? find_held_lock+0x35/0x130 [ 1146.488781] ? __alloc_fd+0x1d4/0x4a0 [ 1146.492668] do_filp_open+0x18e/0x250 [ 1146.496473] ? may_open_dev+0xe0/0xe0 [ 1146.500340] ? _raw_spin_unlock+0x2d/0x50 [ 1146.504497] ? __alloc_fd+0x1d4/0x4a0 [ 1146.508295] do_sys_open+0x2c5/0x430 [ 1146.512107] ? filp_open+0x70/0x70 [ 1146.515664] SyS_open+0x2d/0x40 [ 1146.518935] ? do_sys_open+0x430/0x430 [ 1146.522882] do_syscall_64+0x1eb/0x630 [ 1146.526778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.531719] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.536962] RIP: 0033:0x412d20 [ 1146.540214] RSP: 002b:00007ffd02a976e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.547949] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000412d20 [ 1146.555444] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd02a97790 [ 1146.562768] RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000 [ 1146.570166] R10: 0000000000740090 R11: 0000000000000246 R12: 0000000000c0f914 [ 1146.577497] R13: 00000000004c7b5b R14: 00000000004ddbe0 R15: 00000000ffffffff [ 1146.584910] INFO: task syz-executor.3:7174 blocked for more than 140 seconds. [ 1146.592246] Not tainted 4.14.114 #4 [ 1146.596394] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.604501] syz-executor.3 D28528 7174 7011 0x00000004 [ 1146.610516] Call Trace: [ 1146.613112] __schedule+0x7be/0x1cf0 [ 1146.616918] ? __mutex_lock+0x737/0x1470 [ 1146.621063] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1146.626099] schedule+0x92/0x1c0 [ 1146.629467] schedule_preempt_disabled+0x13/0x20 [ 1146.634332] __mutex_lock+0x73c/0x1470 [ 1146.638230] ? __mutex_unlock_slowpath+0x71/0x800 [ 1146.643132] ? __blkdev_get+0x145/0x1120 [ 1146.647214] ? mutex_trylock+0x1c0/0x1c0 [ 1146.651369] ? exact_match+0xd/0x20 [ 1146.655077] ? kobj_lookup+0x319/0x410 [ 1146.658964] ? blkdev_ioctl+0x1880/0x1880 [ 1146.663186] mutex_lock_nested+0x16/0x20 [ 1146.667302] ? mutex_lock_nested+0x16/0x20 [ 1146.671937] __blkdev_get+0x145/0x1120 [ 1146.675884] ? __blkdev_put+0x7f0/0x7f0 [ 1146.679847] ? bd_acquire+0x178/0x2c0 [ 1146.683743] ? find_held_lock+0x35/0x130 [ 1146.688034] blkdev_get+0xa8/0x8e0 [ 1146.691660] ? bd_may_claim+0xd0/0xd0 [ 1146.695475] ? _raw_spin_unlock+0x2d/0x50 [ 1146.699623] blkdev_open+0x1d1/0x260 [ 1146.703464] ? security_file_open+0x8f/0x1a0 [ 1146.707888] do_dentry_open+0x73e/0xeb0 [ 1146.712077] ? bd_acquire+0x2c0/0x2c0 [ 1146.715952] vfs_open+0x105/0x230 [ 1146.719553] path_openat+0x8bd/0x3f70 [ 1146.723433] ? trace_hardirqs_on+0x10/0x10 [ 1146.727691] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1146.732573] ? find_held_lock+0x35/0x130 [ 1146.736748] ? __alloc_fd+0x1d4/0x4a0 [ 1146.740744] do_filp_open+0x18e/0x250 [ 1146.744646] ? may_open_dev+0xe0/0xe0 [ 1146.748447] ? _raw_spin_unlock+0x2d/0x50 [ 1146.752671] ? __alloc_fd+0x1d4/0x4a0 [ 1146.756534] do_sys_open+0x2c5/0x430 [ 1146.760379] ? filp_open+0x70/0x70 [ 1146.763973] SyS_open+0x2d/0x40 [ 1146.767244] ? do_sys_open+0x430/0x430 [ 1146.771220] do_syscall_64+0x1eb/0x630 [ 1146.775116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1146.779962] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.785224] RIP: 0033:0x412d20 [ 1146.788419] RSP: 002b:00007ffffe6eef88 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.796219] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000412d20 [ 1146.803597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffffe6ef030 [ 1146.810976] RBP: 000000000073bf00 R08: 000000000000000f R09: 0000000000000000 [ 1146.818362] R10: 0000000000740090 R11: 0000000000000246 R12: 00000000016f4914 [ 1146.825826] R13: 00000000004c7b5b R14: 00000000004ddbe0 R15: 00000000ffffffff [ 1146.833220] INFO: task blkid:7175 blocked for more than 140 seconds. [ 1146.839758] Not tainted 4.14.114 #4 [ 1146.844032] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.852058] blkid D28128 7175 7171 0x00000004 [ 1146.857688] Call Trace: [ 1146.860356] __schedule+0x7be/0x1cf0 [ 1146.864089] ? __mutex_lock+0x737/0x1470 [ 1146.868269] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1146.873395] schedule+0x92/0x1c0 [ 1146.876782] schedule_preempt_disabled+0x13/0x20 [ 1146.881593] __mutex_lock+0x73c/0x1470 [ 1146.885496] ? trace_hardirqs_on+0x10/0x10 [ 1146.889725] ? lo_open+0x1d/0xb0 [ 1146.893199] ? refcount_add+0x40/0x50 [ 1146.897074] ? mutex_trylock+0x1c0/0x1c0 [ 1146.901200] ? find_held_lock+0x35/0x130 [ 1146.905275] ? disk_get_part+0x9c/0x140 [ 1146.909246] ? lock_downgrade+0x6e0/0x6e0 [ 1146.913517] ? loop_unregister_transfer+0x90/0x90 [ 1146.918411] mutex_lock_nested+0x16/0x20 [ 1146.922527] ? mutex_lock_nested+0x16/0x20 [ 1146.926777] lo_open+0x1d/0xb0 [ 1146.929961] __blkdev_get+0x2c9/0x1120 [ 1146.933922] ? __blkdev_put+0x7f0/0x7f0 [ 1146.938143] ? bd_acquire+0x178/0x2c0 [ 1146.942022] ? find_held_lock+0x35/0x130 [ 1146.946136] blkdev_get+0xa8/0x8e0 [ 1146.949694] ? bd_may_claim+0xd0/0xd0 [ 1146.953674] ? _raw_spin_unlock+0x2d/0x50 [ 1146.957860] blkdev_open+0x1d1/0x260 [ 1146.961749] ? security_file_open+0x8f/0x1a0 [ 1146.966175] do_dentry_open+0x73e/0xeb0 [ 1146.970342] ? bd_acquire+0x2c0/0x2c0 [ 1146.974200] vfs_open+0x105/0x230 [ 1146.977671] path_openat+0x8bd/0x3f70 [ 1146.981566] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1146.986410] ? __handle_mm_fault+0x299c/0x3470 [ 1146.991106] ? __alloc_fd+0x1d4/0x4a0 [ 1146.994933] do_filp_open+0x18e/0x250 [ 1146.998724] ? may_open_dev+0xe0/0xe0 [ 1147.002623] ? _raw_spin_unlock+0x2d/0x50 [ 1147.006785] ? __alloc_fd+0x1d4/0x4a0 [ 1147.010728] do_sys_open+0x2c5/0x430 [ 1147.014449] ? filp_open+0x70/0x70 [ 1147.018072] SyS_open+0x2d/0x40 [ 1147.021439] ? do_sys_open+0x430/0x430 [ 1147.025382] do_syscall_64+0x1eb/0x630 [ 1147.029391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1147.034447] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1147.039656] RIP: 0033:0x7fdf437b4120 [ 1147.043436] RSP: 002b:00007ffc6afeeed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1147.051248] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf437b4120 [ 1147.058571] RDX: 00007ffc6afeff34 RSI: 0000000000000000 RDI: 00007ffc6afeff34 [ 1147.066083] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1147.074296] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000017d0030 [ 1147.083346] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1147.090736] [ 1147.090736] Showing all locks held in the system: [ 1147.097156] 1 lock held by khungtaskd/1007: [ 1147.101692] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1147.111013] 1 lock held by rsyslogd/6836: [ 1147.115166] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xab/0xd0 [ 1147.123497] 2 locks held by getty/6959: [ 1147.127476] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.136367] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.145761] 2 locks held by getty/6960: [ 1147.149737] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.158506] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.167896] 2 locks held by getty/6961: [ 1147.172446] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.181211] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.190619] 2 locks held by getty/6962: [ 1147.194605] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.203361] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.212752] 2 locks held by getty/6963: [ 1147.216731] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.225601] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.235003] 2 locks held by getty/6964: [ 1147.238994] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.247763] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.257153] 2 locks held by getty/6965: [ 1147.261194] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1147.269924] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1147.279333] 3 locks held by syz-executor.5/7014: [ 1147.284409] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xa6/0x7f0 [ 1147.293020] #1: (loop_index_mutex){+.+.}, at: [] lo_release+0x1e/0x1b0 [ 1147.301546] #2: (loop_ctl_mutex#2){+.+.}, at: [] lo_release+0x84/0x1b0 [ 1147.309987] 1 lock held by syz-executor.1/7163: [ 1147.314717] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.323122] 1 lock held by blkid/7164: [ 1147.327009] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.335421] 1 lock held by blkid/7165: [ 1147.339326] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.347752] 1 lock held by syz-executor.2/7166: [ 1147.352457] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.360892] 1 lock held by blkid/7167: [ 1147.364777] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.373182] 2 locks held by syz-executor.4/7168: [ 1147.377950] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1147.386389] #1: (&bdev->bd_mutex){+.+.}, at: [] blkdev_reread_part+0x1f/0x40 [ 1147.395460] 2 locks held by syz-executor.0/7169: [ 1147.400282] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1147.408998] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1147.417177] 1 lock held by syz-executor.3/7174: [ 1147.421885] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1147.430674] 2 locks held by blkid/7175: [ 1147.434670] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1147.443550] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1147.451706] 1 lock held by blkid/7176: [ 1147.455612] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1147.464398] 2 locks held by blkid/7177: [ 1147.468562] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1147.477328] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1147.485492] [ 1147.487146] ============================================= [ 1147.487146] [ 1147.494583] NMI backtrace for cpu 1 [ 1147.498239] CPU: 1 PID: 1007 Comm: khungtaskd Not tainted 4.14.114 #4 [ 1147.504838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.514191] Call Trace: [ 1147.516786] dump_stack+0x138/0x19c [ 1147.520422] nmi_cpu_backtrace.cold+0x57/0x94 [ 1147.524924] ? irq_force_complete_move.cold+0x7d/0x7d [ 1147.530135] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1147.535432] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1147.540629] watchdog+0x5e7/0xb90 [ 1147.544085] kthread+0x31c/0x430 [ 1147.547448] ? hungtask_pm_notify+0x60/0x60 [ 1147.551760] ? kthread_create_on_node+0xd0/0xd0 [ 1147.556453] ret_from_fork+0x3a/0x50 [ 1147.560480] Sending NMI from CPU 1 to CPUs 0: [ 1147.565283] NMI backtrace for cpu 0 [ 1147.565287] CPU: 0 PID: 7026 Comm: kworker/u4:2 Not tainted 4.14.114 #4 [ 1147.565292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.565295] Workqueue: bat_events batadv_nc_worker [ 1147.565300] task: ffff888087a80200 task.stack: ffff888097a38000 [ 1147.565303] RIP: 0010:lock_release+0x0/0x940 [ 1147.565305] RSP: 0018:ffff888097a3fc48 EFLAGS: 00000297 [ 1147.565311] RAX: ffff888087a80200 RBX: ffff8880a0f24648 RCX: 00000000a389885d [ 1147.565314] RDX: ffffffff86034dc5 RSI: 0000000000000001 RDI: ffff8880a0f24660 [ 1147.565318] RBP: ffff888097a3fc58 R08: 0000000000001572 R09: ffffffff88c83f90 [ 1147.565321] R10: ffff888087a80ad0 R11: ffff888087a80200 R12: ffff8880a0f24648 [ 1147.565325] R13: dffffc0000000000 R14: ffffffff86035620 R15: ffff8880a133cc40 [ 1147.565329] FS: 0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 1147.565332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1147.565335] CR2: 00000000007984ec CR3: 00000000a11e2000 CR4: 00000000001406f0 [ 1147.565337] Call Trace: [ 1147.565340] ? _raw_spin_unlock_bh+0x1b/0x40 [ 1147.565342] batadv_nc_purge_paths+0x245/0x350 [ 1147.565345] ? lock_downgrade+0x6e0/0x6e0 [ 1147.565348] batadv_nc_worker+0x23d/0x6d0 [ 1147.565350] process_one_work+0x868/0x1610 [ 1147.565353] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1147.565355] worker_thread+0x5d9/0x1050 [ 1147.565358] kthread+0x31c/0x430 [ 1147.565360] ? process_one_work+0x1610/0x1610 [ 1147.565363] ? kthread_create_on_node+0xd0/0xd0 [ 1147.565366] ret_from_fork+0x3a/0x50 [ 1147.565367] Code: c7 c7 a0 e4 24 89 e8 60 4c 3e 00 e9 ed fe ff ff 48 c7 c7 a0 e4 24 89 e8 4f 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 [ 1147.566073] Kernel panic - not syncing: hung_task: blocked tasks [ 1147.737909] CPU: 1 PID: 1007 Comm: khungtaskd Not tainted 4.14.114 #4 [ 1147.744500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1147.753854] Call Trace: [ 1147.756447] dump_stack+0x138/0x19c [ 1147.760102] panic+0x1f2/0x438 [ 1147.763289] ? add_taint.cold+0x16/0x16 [ 1147.767269] ? ___preempt_schedule+0x16/0x18 [ 1147.771697] watchdog+0x5f8/0xb90 [ 1147.775146] kthread+0x31c/0x430 [ 1147.778503] ? hungtask_pm_notify+0x60/0x60 [ 1147.782817] ? kthread_create_on_node+0xd0/0xd0 [ 1147.787486] ret_from_fork+0x3a/0x50 [ 1147.792443] Kernel Offset: disabled [ 1147.796082] Rebooting in 86400 seconds..