[ 32.023386] audit: type=1800 audit(1556507530.012:34): pid=6897 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.558817] random: sshd: uninitialized urandom read (32 bytes read) [ 37.846559] audit: type=1400 audit(1556507535.862:35): avc: denied { map } for pid=7070 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 [ 37.891506] random: sshd: uninitialized urandom read (32 bytes read) [ 38.489777] random: sshd: uninitialized urandom read (32 bytes read) [ 323.416833] audit: type=1400 audit(1556507821.432:36): avc: denied { map } for pid=7078 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 [ 1001.744245] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. [ 1007.318566] random: sshd: uninitialized urandom read (32 bytes read) [ 1007.510163] audit: type=1400 audit(1556508505.522:37): avc: denied { map } for pid=7085 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 2019/04/29 03:28:26 parsed 1 programs [ 1008.392461] audit: type=1400 audit(1556508506.412:38): avc: denied { map } for pid=7085 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13804 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 1009.062166] random: cc1: uninitialized urandom read (8 bytes read) 2019/04/29 03:28:28 executed programs: 0 [ 1010.110138] audit: type=1400 audit(1556508508.122:39): avc: denied { map } for pid=7085 comm="syz-execprog" path="/root/syzkaller-shm401920550" dev="sda1" ino=2233 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 1010.930242] IPVS: ftp: loaded support on port[0] = 21 [ 1011.224729] chnl_net:caif_netlink_parms(): no params data found [ 1011.234190] IPVS: ftp: loaded support on port[0] = 21 [ 1011.286512] bridge0: port 1(bridge_slave_0) entered blocking state [ 1011.293433] bridge0: port 1(bridge_slave_0) entered disabled state [ 1011.300821] device bridge_slave_0 entered promiscuous mode [ 1011.313761] bridge0: port 2(bridge_slave_1) entered blocking state [ 1011.320241] bridge0: port 2(bridge_slave_1) entered disabled state [ 1011.327238] device bridge_slave_1 entered promiscuous mode [ 1011.351230] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1011.360477] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1011.383888] IPVS: ftp: loaded support on port[0] = 21 [ 1011.393155] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1011.400586] team0: Port device team_slave_0 added [ 1011.406215] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1011.413526] team0: Port device team_slave_1 added [ 1011.431762] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1011.459875] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1011.494509] chnl_net:caif_netlink_parms(): no params data found [ 1011.562052] device hsr_slave_0 entered promiscuous mode [ 1011.640455] device hsr_slave_1 entered promiscuous mode [ 1011.705403] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1011.723649] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1011.794328] IPVS: ftp: loaded support on port[0] = 21 [ 1011.803402] bridge0: port 2(bridge_slave_1) entered blocking state [ 1011.809926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1011.817013] bridge0: port 1(bridge_slave_0) entered blocking state [ 1011.823416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1011.834930] bridge0: port 1(bridge_slave_0) entered blocking state [ 1011.841519] bridge0: port 1(bridge_slave_0) entered disabled state [ 1011.848461] device bridge_slave_0 entered promiscuous mode [ 1011.865501] bridge0: port 2(bridge_slave_1) entered blocking state [ 1011.872708] bridge0: port 2(bridge_slave_1) entered disabled state [ 1011.879612] device bridge_slave_1 entered promiscuous mode [ 1011.886866] chnl_net:caif_netlink_parms(): no params data found [ 1011.938413] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1011.948940] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1011.983770] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1011.991080] team0: Port device team_slave_0 added [ 1012.013125] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1012.020545] team0: Port device team_slave_1 added [ 1012.026053] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1012.035553] bridge0: port 1(bridge_slave_0) entered blocking state [ 1012.042789] bridge0: port 1(bridge_slave_0) entered disabled state [ 1012.049644] device bridge_slave_0 entered promiscuous mode [ 1012.056254] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1012.072593] bridge0: port 2(bridge_slave_1) entered blocking state [ 1012.079550] bridge0: port 2(bridge_slave_1) entered disabled state [ 1012.087164] IPVS: ftp: loaded support on port[0] = 21 [ 1012.087933] device bridge_slave_1 entered promiscuous mode [ 1012.152359] device hsr_slave_0 entered promiscuous mode [ 1012.230589] device hsr_slave_1 entered promiscuous mode [ 1012.273666] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1012.297343] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1012.307229] bridge0: port 1(bridge_slave_0) entered disabled state [ 1012.324916] bridge0: port 2(bridge_slave_1) entered disabled state [ 1012.339147] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1012.349910] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1012.394941] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1012.402334] team0: Port device team_slave_0 added [ 1012.428247] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1012.435590] team0: Port device team_slave_1 added [ 1012.443970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1012.468435] chnl_net:caif_netlink_parms(): no params data found [ 1012.483292] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1012.493041] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1012.511379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1012.529232] IPVS: ftp: loaded support on port[0] = 21 [ 1012.612349] device hsr_slave_0 entered promiscuous mode [ 1012.650321] device hsr_slave_1 entered promiscuous mode [ 1012.731310] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1012.737677] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1012.747715] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1012.775949] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1012.784521] bridge0: port 1(bridge_slave_0) entered blocking state [ 1012.791436] bridge0: port 1(bridge_slave_0) entered disabled state [ 1012.798363] device bridge_slave_0 entered promiscuous mode [ 1012.812920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1012.821402] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1012.832248] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1012.838333] 8021q: adding VLAN 0 to HW filter on device team0 [ 1012.847897] bridge0: port 2(bridge_slave_1) entered blocking state [ 1012.855522] bridge0: port 2(bridge_slave_1) entered disabled state [ 1012.863051] device bridge_slave_1 entered promiscuous mode [ 1012.904359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1012.926842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1012.934670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1012.943948] bridge0: port 1(bridge_slave_0) entered blocking state [ 1012.950296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1012.963983] chnl_net:caif_netlink_parms(): no params data found [ 1012.988432] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1013.033844] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1013.042496] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1013.067254] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1013.074622] team0: Port device team_slave_0 added [ 1013.083927] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1013.095632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1013.103619] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1013.111333] bridge0: port 2(bridge_slave_1) entered blocking state [ 1013.117662] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1013.138472] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1013.146450] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1013.153684] team0: Port device team_slave_1 added [ 1013.168174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1013.174976] bridge0: port 1(bridge_slave_0) entered blocking state [ 1013.181785] bridge0: port 1(bridge_slave_0) entered disabled state [ 1013.188693] device bridge_slave_0 entered promiscuous mode [ 1013.195784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1013.208093] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1013.217447] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1013.226478] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1013.235357] bridge0: port 2(bridge_slave_1) entered blocking state [ 1013.241878] bridge0: port 2(bridge_slave_1) entered disabled state [ 1013.248807] device bridge_slave_1 entered promiscuous mode [ 1013.256354] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1013.322219] device hsr_slave_0 entered promiscuous mode [ 1013.360309] device hsr_slave_1 entered promiscuous mode [ 1013.406412] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1013.421922] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1013.430587] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1013.447967] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1013.457640] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1013.465713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1013.473494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1013.481152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1013.487919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1013.495874] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1013.511345] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1013.534892] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1013.542877] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1013.548931] 8021q: adding VLAN 0 to HW filter on device team0 [ 1013.581479] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1013.589048] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1013.597131] team0: Port device team_slave_0 added [ 1013.605940] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1013.613312] team0: Port device team_slave_1 added [ 1013.620927] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1013.628379] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1013.656628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1013.664434] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1013.674322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1013.697264] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1013.708422] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1013.716212] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1013.724193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1013.732940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1013.740638] bridge0: port 1(bridge_slave_0) entered blocking state [ 1013.746978] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1013.754381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1013.762903] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1013.822225] device hsr_slave_0 entered promiscuous mode [ 1013.880409] device hsr_slave_1 entered promiscuous mode [ 1013.923268] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1013.932949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1013.943047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1013.951151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1013.959043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1013.966882] bridge0: port 2(bridge_slave_1) entered blocking state [ 1013.973303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1013.982440] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1013.988589] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1014.007296] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1014.015049] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1014.024322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1014.032501] chnl_net:caif_netlink_parms(): no params data found [ 1014.046476] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1014.054113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1014.067990] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1014.081331] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1014.095654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1014.108764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1014.124703] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1014.133081] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1014.141115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1014.148779] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1014.156747] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1014.168212] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1014.177449] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1014.187115] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1014.195233] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1014.220546] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1014.227567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1014.235366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1014.243983] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1014.254293] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1014.260913] 8021q: adding VLAN 0 to HW filter on device team0 [ 1014.289199] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1014.312616] bridge0: port 1(bridge_slave_0) entered blocking state [ 1014.319173] bridge0: port 1(bridge_slave_0) entered disabled state [ 1014.332435] device bridge_slave_0 entered promiscuous mode [ 1014.339748] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1014.348579] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1014.357532] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1014.367889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1014.381001] bridge0: port 2(bridge_slave_1) entered blocking state [ 1014.387827] bridge0: port 2(bridge_slave_1) entered disabled state [ 1014.396380] device bridge_slave_1 entered promiscuous mode [ 1014.417394] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1014.427101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1014.437988] bridge0: port 1(bridge_slave_0) entered blocking state [ 1014.444408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1014.455992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1014.463787] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1014.474349] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1014.489029] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1014.495959] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1014.517116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1014.524970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1014.533580] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1014.541393] bridge0: port 2(bridge_slave_1) entered blocking state [ 1014.547750] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1014.558592] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1014.573643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1014.587558] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1014.606202] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1014.621087] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1014.633168] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1014.642331] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1014.648935] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1014.657220] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1014.666361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1014.680744] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1014.689736] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1014.705563] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1014.731738] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1014.741548] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1014.759561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1014.767861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1014.779970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1014.788002] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1014.795620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1014.802532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1014.809409] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1014.816757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1014.825743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1014.835176] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1014.841471] 8021q: adding VLAN 0 to HW filter on device team0 [ 1014.849889] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1014.856878] 8021q: adding VLAN 0 to HW filter on device team0 [ 1014.863981] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1014.874151] team0: Port device team_slave_0 added [ 1014.879169] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1014.887688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1014.895209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1014.905468] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1014.916820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1014.927910] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1014.939074] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1014.947211] team0: Port device team_slave_1 added [ 1014.956850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1014.968912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1014.976554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1014.984347] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1014.992027] bridge0: port 1(bridge_slave_0) entered blocking state [ 1014.998358] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1015.005994] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1015.014360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1015.023272] bridge0: port 1(bridge_slave_0) entered blocking state [ 1015.029661] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1015.037568] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1015.044751] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1015.054034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1015.064468] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1015.074108] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1015.081918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1015.089692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1015.099323] bridge0: port 2(bridge_slave_1) entered blocking state [ 1015.105809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1015.124957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1015.134395] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/04/29 03:28:33 executed programs: 13 [ 1015.142973] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1015.150416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1015.158203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1015.169803] bridge0: port 2(bridge_slave_1) entered blocking state [ 1015.176227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1015.184710] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1015.192585] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1015.198643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1015.217481] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1015.238277] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1015.253489] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1015.267361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1015.281912] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1015.303673] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1015.318740] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1015.366436] device hsr_slave_0 entered promiscuous mode [ 1015.391930] device hsr_slave_1 entered promiscuous mode [ 1015.431459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1015.439807] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1015.447095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1015.456682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1015.464404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1015.472205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1015.479867] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1015.487284] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1015.495336] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1015.502844] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1015.512841] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1015.520335] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1015.528405] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1015.537667] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1015.549061] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1015.561544] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1015.574684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1015.582933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1015.597208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1015.605299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1015.622439] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1015.635754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1015.644977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1015.660759] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1015.677137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1015.685230] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1015.694058] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1015.700239] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1015.708238] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1015.716838] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1015.726301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1015.736287] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1015.781214] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1015.787251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1015.808427] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1015.831561] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1015.856029] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1015.867155] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1015.885913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1015.898082] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1015.908344] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1015.931260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1015.939437] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1015.957545] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1015.964572] 8021q: adding VLAN 0 to HW filter on device team0 [ 1015.986398] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1015.998579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1016.007076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1016.014790] bridge0: port 1(bridge_slave_0) entered blocking state [ 1016.021151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1016.030872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1016.038443] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1016.049961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1016.065912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1016.080728] bridge0: port 2(bridge_slave_1) entered blocking state [ 1016.087125] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1016.115220] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1016.123806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1016.135940] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1016.148944] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1016.193765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1016.207849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1016.215669] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1016.236836] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1016.245175] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1016.254531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1016.262690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1016.278467] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1016.285762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1016.293557] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1016.303550] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1016.321315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1016.328899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1016.337487] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1016.343910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1016.372954] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1016.393031] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1288.151031] INFO: task syz-executor.3:7103 blocked for more than 140 seconds. [ 1288.158658] Not tainted 4.14.114 #4 [ 1288.164763] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.172762] syz-executor.3 D24840 7103 1 0x00000004 [ 1288.178432] Call Trace: [ 1288.181181] __schedule+0x7be/0x1cf0 [ 1288.184904] ? __mutex_lock+0x737/0x1470 [ 1288.189055] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.194132] schedule+0x92/0x1c0 [ 1288.197498] schedule_preempt_disabled+0x13/0x20 [ 1288.202350] __mutex_lock+0x73c/0x1470 [ 1288.206338] ? __mutex_unlock_slowpath+0x71/0x800 [ 1288.211534] ? __blkdev_get+0x145/0x1120 [ 1288.215610] ? mutex_trylock+0x1c0/0x1c0 [ 1288.219662] ? exact_match+0xd/0x20 [ 1288.223425] ? kobj_lookup+0x319/0x410 [ 1288.227322] ? blkdev_ioctl+0x1880/0x1880 [ 1288.232044] mutex_lock_nested+0x16/0x20 [ 1288.236150] ? mutex_lock_nested+0x16/0x20 [ 1288.240539] __blkdev_get+0x145/0x1120 [ 1288.247218] ? __blkdev_put+0x7f0/0x7f0 [ 1288.251238] ? bd_acquire+0x178/0x2c0 [ 1288.255042] ? find_held_lock+0x35/0x130 [ 1288.259132] blkdev_get+0xa8/0x8e0 [ 1288.262799] ? bd_may_claim+0xd0/0xd0 [ 1288.266606] ? _raw_spin_unlock+0x2d/0x50 [ 1288.270795] blkdev_open+0x1d1/0x260 [ 1288.274513] ? security_file_open+0x8f/0x1a0 [ 1288.278907] do_dentry_open+0x73e/0xeb0 [ 1288.282990] ? bd_acquire+0x2c0/0x2c0 [ 1288.286887] vfs_open+0x105/0x230 [ 1288.290869] path_openat+0x8bd/0x3f70 [ 1288.294677] ? trace_hardirqs_on+0x10/0x10 [ 1288.298906] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1288.303676] ? find_held_lock+0x35/0x130 [ 1288.307749] ? __alloc_fd+0x1d4/0x4a0 [ 1288.311657] do_filp_open+0x18e/0x250 [ 1288.315467] ? may_open_dev+0xe0/0xe0 [ 1288.319264] ? _raw_spin_unlock+0x2d/0x50 [ 1288.323518] ? __alloc_fd+0x1d4/0x4a0 [ 1288.327327] do_sys_open+0x2c5/0x430 [ 1288.331087] ? filp_open+0x70/0x70 [ 1288.334635] SyS_open+0x2d/0x40 [ 1288.337900] ? do_sys_open+0x430/0x430 [ 1288.341894] do_syscall_64+0x1eb/0x630 [ 1288.345785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.351959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.357163] RIP: 0033:0x412d20 [ 1288.360448] RSP: 002b:00007fff3e914528 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1288.368171] RAX: ffffffffffffffda RBX: 00000000000f87e2 RCX: 0000000000412d20 [ 1288.375599] RDX: 00007fff3e9145ba RSI: 0000000000000002 RDI: 00007fff3e9145b0 [ 1288.382980] RBP: 000000000000000d R08: 0000000000000000 R09: 000000000000000a [ 1288.390394] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1288.397686] R13: 00007fff3e914560 R14: 00000000000f87d6 R15: 00007fff3e914570 [ 1288.405106] INFO: task syz-executor.2:7105 blocked for more than 140 seconds. [ 1288.412414] Not tainted 4.14.114 #4 [ 1288.416540] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.425085] syz-executor.2 D24864 7105 1 0x00000004 [ 1288.430773] Call Trace: [ 1288.433369] __schedule+0x7be/0x1cf0 [ 1288.437070] ? __mutex_lock+0x737/0x1470 [ 1288.441169] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.446181] schedule+0x92/0x1c0 [ 1288.449528] schedule_preempt_disabled+0x13/0x20 [ 1288.454355] __mutex_lock+0x73c/0x1470 [ 1288.458254] ? trace_hardirqs_on+0x10/0x10 [ 1288.462542] ? lo_open+0x1d/0xb0 [ 1288.465909] ? refcount_add+0x40/0x50 [ 1288.469700] ? mutex_trylock+0x1c0/0x1c0 [ 1288.473904] ? find_held_lock+0x35/0x130 [ 1288.478017] ? disk_get_part+0x9c/0x140 [ 1288.482053] ? lock_downgrade+0x6e0/0x6e0 [ 1288.486204] ? loop_unregister_transfer+0x90/0x90 [ 1288.491138] mutex_lock_nested+0x16/0x20 [ 1288.495207] ? mutex_lock_nested+0x16/0x20 [ 1288.499430] lo_open+0x1d/0xb0 [ 1288.502693] __blkdev_get+0x2c9/0x1120 [ 1288.506709] ? __blkdev_put+0x7f0/0x7f0 [ 1288.510741] ? bd_acquire+0x178/0x2c0 [ 1288.514546] ? find_held_lock+0x35/0x130 [ 1288.518600] blkdev_get+0xa8/0x8e0 [ 1288.522172] ? bd_may_claim+0xd0/0xd0 [ 1288.525970] ? _raw_spin_unlock+0x2d/0x50 [ 1288.530145] blkdev_open+0x1d1/0x260 [ 1288.533864] ? security_file_open+0x8f/0x1a0 [ 1288.538268] do_dentry_open+0x73e/0xeb0 [ 1288.542332] ? bd_acquire+0x2c0/0x2c0 [ 1288.546135] vfs_open+0x105/0x230 [ 1288.549585] path_openat+0x8bd/0x3f70 [ 1288.554125] ? trace_hardirqs_on+0x10/0x10 [ 1288.558373] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1288.563090] ? find_held_lock+0x35/0x130 [ 1288.567156] ? __alloc_fd+0x1d4/0x4a0 [ 1288.571065] do_filp_open+0x18e/0x250 [ 1288.574944] ? may_open_dev+0xe0/0xe0 [ 1288.578752] ? _raw_spin_unlock+0x2d/0x50 [ 1288.582964] ? __alloc_fd+0x1d4/0x4a0 [ 1288.586783] do_sys_open+0x2c5/0x430 [ 1288.590559] ? filp_open+0x70/0x70 [ 1288.594112] SyS_open+0x2d/0x40 [ 1288.597378] ? do_sys_open+0x430/0x430 [ 1288.601341] do_syscall_64+0x1eb/0x630 [ 1288.605227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.610121] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.615314] RIP: 0033:0x412d20 [ 1288.620523] RSP: 002b:00007ffd1901c2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1288.631179] RAX: ffffffffffffffda RBX: 00000000000f87ef RCX: 0000000000412d20 [ 1288.638450] RDX: 00007ffd1901c37a RSI: 0000000000000002 RDI: 00007ffd1901c370 [ 1288.645826] RBP: 0000000000000005 R08: 0000000000000000 R09: 000000000000000a [ 1288.653233] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1288.660552] R13: 00007ffd1901c320 R14: 00000000000f87ca R15: 00007ffd1901c330 [ 1288.667864] INFO: task syz-executor.0:7107 blocked for more than 140 seconds. [ 1288.675204] Not tainted 4.14.114 #4 [ 1288.679350] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.687834] syz-executor.0 D24992 7107 1 0x00000004 [ 1288.693498] Call Trace: [ 1288.696081] __schedule+0x7be/0x1cf0 [ 1288.699786] ? __mutex_lock+0x737/0x1470 [ 1288.703900] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.709066] schedule+0x92/0x1c0 [ 1288.712670] schedule_preempt_disabled+0x13/0x20 [ 1288.717503] __mutex_lock+0x73c/0x1470 [ 1288.721457] ? blkdev_reread_part+0x1f/0x40 [ 1288.725801] ? mutex_trylock+0x1c0/0x1c0 [ 1288.729868] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 1288.735031] ? __wake_up_common_lock+0xe3/0x160 [ 1288.740157] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 1288.745378] mutex_lock_nested+0x16/0x20 [ 1288.749441] ? mutex_lock_nested+0x16/0x20 [ 1288.753830] blkdev_reread_part+0x1f/0x40 [ 1288.758215] loop_reread_partitions+0x7c/0x90 [ 1288.764275] loop_clr_fd+0x844/0xae0 [ 1288.768135] lo_ioctl+0x8d0/0x1c70 [ 1288.771736] ? loop_probe+0x160/0x160 [ 1288.775536] blkdev_ioctl+0x983/0x1880 [ 1288.779416] ? blkpg_ioctl+0x980/0x980 [ 1288.783361] ? __might_sleep+0x93/0xb0 [ 1288.787252] block_ioctl+0xde/0x120 [ 1288.791007] ? blkdev_fallocate+0x3b0/0x3b0 [ 1288.795339] do_vfs_ioctl+0x7b9/0x1070 [ 1288.799218] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1288.804041] ? ioctl_preallocate+0x1c0/0x1c0 [ 1288.808448] ? putname+0xe0/0x120 [ 1288.812412] ? do_sys_open+0x221/0x430 [ 1288.816292] ? security_file_ioctl+0x83/0xc0 [ 1288.820752] ? security_file_ioctl+0x8f/0xc0 [ 1288.825162] SyS_ioctl+0x8f/0xc0 [ 1288.828516] ? do_vfs_ioctl+0x1070/0x1070 [ 1288.832762] do_syscall_64+0x1eb/0x630 [ 1288.837189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1288.842101] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.847291] RIP: 0033:0x458c17 [ 1288.850514] RSP: 002b:00007fff88b58378 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1288.858664] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c17 [ 1288.866085] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 [ 1288.873838] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000000000000a [ 1288.881312] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1288.888607] R13: 00007fff88b583b0 R14: 00000000000f878e R15: 00007fff88b583c0 [ 1288.895967] INFO: task syz-executor.1:7109 blocked for more than 140 seconds. [ 1288.903286] Not tainted 4.14.114 #4 [ 1288.907422] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.915516] syz-executor.1 D25152 7109 1 0x00000004 [ 1288.921201] Call Trace: [ 1288.923800] __schedule+0x7be/0x1cf0 [ 1288.927548] ? __mutex_lock+0x737/0x1470 [ 1288.931757] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1288.936777] schedule+0x92/0x1c0 [ 1288.940849] schedule_preempt_disabled+0x13/0x20 [ 1288.945611] __mutex_lock+0x73c/0x1470 [ 1288.949480] ? trace_hardirqs_on+0x10/0x10 [ 1288.953965] ? lo_open+0x1d/0xb0 [ 1288.957339] ? refcount_add+0x40/0x50 [ 1288.961194] ? mutex_trylock+0x1c0/0x1c0 [ 1288.965259] ? find_held_lock+0x35/0x130 [ 1288.969327] ? disk_get_part+0x9c/0x140 [ 1288.973579] ? lock_downgrade+0x6e0/0x6e0 [ 1288.977783] ? loop_unregister_transfer+0x90/0x90 [ 1288.982694] mutex_lock_nested+0x16/0x20 [ 1288.986768] ? mutex_lock_nested+0x16/0x20 [ 1288.991031] lo_open+0x1d/0xb0 [ 1288.994220] __blkdev_get+0x2c9/0x1120 [ 1288.998097] ? __blkdev_put+0x7f0/0x7f0 [ 1289.002145] ? bd_acquire+0x178/0x2c0 [ 1289.005956] ? find_held_lock+0x35/0x130 [ 1289.010011] blkdev_get+0xa8/0x8e0 [ 1289.013611] ? bd_may_claim+0xd0/0xd0 [ 1289.017393] ? _raw_spin_unlock+0x2d/0x50 [ 1289.021599] blkdev_open+0x1d1/0x260 [ 1289.025321] ? security_file_open+0x8f/0x1a0 [ 1289.029709] do_dentry_open+0x73e/0xeb0 [ 1289.034259] ? bd_acquire+0x2c0/0x2c0 [ 1289.038058] vfs_open+0x105/0x230 [ 1289.041558] path_openat+0x8bd/0x3f70 [ 1289.045363] ? trace_hardirqs_on+0x10/0x10 [ 1289.049587] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1289.054306] ? find_held_lock+0x35/0x130 [ 1289.058383] ? __alloc_fd+0x1d4/0x4a0 [ 1289.062510] do_filp_open+0x18e/0x250 [ 1289.066316] ? may_open_dev+0xe0/0xe0 [ 1289.070659] ? _raw_spin_unlock+0x2d/0x50 [ 1289.074860] ? __alloc_fd+0x1d4/0x4a0 [ 1289.078661] do_sys_open+0x2c5/0x430 [ 1289.082598] ? filp_open+0x70/0x70 [ 1289.086148] SyS_open+0x2d/0x40 [ 1289.089407] ? do_sys_open+0x430/0x430 [ 1289.093341] do_syscall_64+0x1eb/0x630 [ 1289.097240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.102142] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.107332] RIP: 0033:0x412d20 [ 1289.110757] RSP: 002b:00007ffefcf0da68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1289.118498] RAX: ffffffffffffffda RBX: 00000000000f87ed RCX: 0000000000412d20 [ 1289.125812] RDX: 00007ffefcf0dafa RSI: 0000000000000002 RDI: 00007ffefcf0daf0 [ 1289.133132] RBP: 0000000000000005 R08: 0000000000000000 R09: 000000000000000a [ 1289.140462] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1289.147739] R13: 00007ffefcf0daa0 R14: 00000000000f87d7 R15: 00007ffefcf0dab0 [ 1289.155086] INFO: task syz-executor.5:7111 blocked for more than 140 seconds. [ 1289.162403] Not tainted 4.14.114 #4 [ 1289.166544] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.174610] syz-executor.5 D25168 7111 1 0x00000004 [ 1289.180294] Call Trace: [ 1289.182890] __schedule+0x7be/0x1cf0 [ 1289.186647] ? __mutex_lock+0x737/0x1470 [ 1289.190846] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.195876] schedule+0x92/0x1c0 [ 1289.199231] schedule_preempt_disabled+0x13/0x20 [ 1289.204663] __mutex_lock+0x73c/0x1470 [ 1289.208560] ? trace_hardirqs_on+0x10/0x10 [ 1289.212833] ? lo_open+0x1d/0xb0 [ 1289.216712] ? refcount_add+0x40/0x50 [ 1289.220576] ? mutex_trylock+0x1c0/0x1c0 [ 1289.224651] ? find_held_lock+0x35/0x130 [ 1289.228694] ? disk_get_part+0x9c/0x140 [ 1289.232724] ? lock_downgrade+0x6e0/0x6e0 [ 1289.236876] ? loop_unregister_transfer+0x90/0x90 [ 1289.241770] mutex_lock_nested+0x16/0x20 [ 1289.245851] ? mutex_lock_nested+0x16/0x20 [ 1289.250169] lo_open+0x1d/0xb0 [ 1289.253368] __blkdev_get+0x2c9/0x1120 [ 1289.257250] ? __blkdev_put+0x7f0/0x7f0 [ 1289.261282] ? bd_acquire+0x178/0x2c0 [ 1289.265087] ? find_held_lock+0x35/0x130 [ 1289.269135] blkdev_get+0xa8/0x8e0 [ 1289.272903] ? bd_may_claim+0xd0/0xd0 [ 1289.276726] ? _raw_spin_unlock+0x2d/0x50 [ 1289.280929] blkdev_open+0x1d1/0x260 [ 1289.284662] ? security_file_open+0x8f/0x1a0 [ 1289.289090] do_dentry_open+0x73e/0xeb0 [ 1289.293236] ? bd_acquire+0x2c0/0x2c0 [ 1289.297056] vfs_open+0x105/0x230 [ 1289.300574] path_openat+0x8bd/0x3f70 [ 1289.304387] ? trace_hardirqs_on+0x10/0x10 [ 1289.308624] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1289.313406] ? find_held_lock+0x35/0x130 [ 1289.317524] ? __alloc_fd+0x1d4/0x4a0 [ 1289.321384] do_filp_open+0x18e/0x250 [ 1289.325181] ? may_open_dev+0xe0/0xe0 [ 1289.329045] ? _raw_spin_unlock+0x2d/0x50 [ 1289.333712] ? __alloc_fd+0x1d4/0x4a0 [ 1289.337527] do_sys_open+0x2c5/0x430 [ 1289.341297] ? filp_open+0x70/0x70 [ 1289.344843] SyS_open+0x2d/0x40 [ 1289.348116] ? do_sys_open+0x430/0x430 [ 1289.352056] do_syscall_64+0x1eb/0x630 [ 1289.355941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.360848] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.366057] RIP: 0033:0x412d20 [ 1289.369239] RSP: 002b:00007ffd96261898 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1289.377093] RAX: ffffffffffffffda RBX: 00000000000f87ef RCX: 0000000000412d20 [ 1289.384422] RDX: 00007ffd9626192a RSI: 0000000000000002 RDI: 00007ffd96261920 [ 1289.391790] RBP: 0000000000000005 R08: 0000000000000000 R09: 000000000000000a [ 1289.399066] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 [ 1289.406376] R13: 00007ffd962618d0 R14: 00000000000f87d5 R15: 00007ffd962618e0 [ 1289.413755] INFO: task blkid:7257 blocked for more than 140 seconds. [ 1289.420301] Not tainted 4.14.114 #4 [ 1289.424446] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.432493] blkid D28512 7257 7216 0x00000004 [ 1289.438169] Call Trace: [ 1289.440836] __schedule+0x7be/0x1cf0 [ 1289.444556] ? __mutex_lock+0x737/0x1470 [ 1289.448619] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.453689] schedule+0x92/0x1c0 [ 1289.457122] schedule_preempt_disabled+0x13/0x20 [ 1289.462587] __mutex_lock+0x73c/0x1470 [ 1289.466522] ? trace_hardirqs_on+0x10/0x10 [ 1289.470814] ? lo_release+0x84/0x1b0 [ 1289.474531] ? save_trace+0x250/0x290 [ 1289.478446] ? mutex_trylock+0x1c0/0x1c0 [ 1289.482703] ? __blkdev_put+0x397/0x7f0 [ 1289.486701] ? find_held_lock+0x35/0x130 [ 1289.490812] ? __blkdev_put+0x397/0x7f0 [ 1289.494902] ? loop_clr_fd+0xae0/0xae0 [ 1289.498838] mutex_lock_nested+0x16/0x20 [ 1289.502989] ? mutex_lock_nested+0x16/0x20 [ 1289.507226] lo_release+0x84/0x1b0 [ 1289.510933] ? loop_clr_fd+0xae0/0xae0 [ 1289.514828] __blkdev_put+0x436/0x7f0 [ 1289.518614] ? bd_set_size+0xb0/0xb0 [ 1289.523677] ? wait_for_completion+0x420/0x420 [ 1289.528264] blkdev_put+0x88/0x510 [ 1289.531920] ? fcntl_setlk+0xb90/0xb90 [ 1289.535870] ? blkdev_put+0x510/0x510 [ 1289.539672] blkdev_close+0x8b/0xb0 [ 1289.543353] __fput+0x277/0x7a0 [ 1289.546636] ____fput+0x16/0x20 [ 1289.549903] task_work_run+0x119/0x190 [ 1289.553859] exit_to_usermode_loop+0x1da/0x220 [ 1289.558450] do_syscall_64+0x4a9/0x630 [ 1289.562390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.567240] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.572484] RIP: 0033:0x7fc4e4d072b0 [ 1289.576194] RSP: 002b:00007ffefb16a298 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1289.583975] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc4e4d072b0 [ 1289.591862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1289.599129] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1289.606455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001ee6030 [ 1289.613759] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1289.621091] INFO: task syz-executor.4:7260 blocked for more than 140 seconds. [ 1289.628367] Not tainted 4.14.114 #4 [ 1289.632648] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.640889] syz-executor.4 D28528 7260 7112 0x00000004 [ 1289.646616] Call Trace: [ 1289.649324] __schedule+0x7be/0x1cf0 [ 1289.653193] ? __mutex_lock+0x737/0x1470 [ 1289.657290] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.662380] schedule+0x92/0x1c0 [ 1289.665749] schedule_preempt_disabled+0x13/0x20 [ 1289.670581] __mutex_lock+0x73c/0x1470 [ 1289.674477] ? lo_ioctl+0x87/0x1c70 [ 1289.678152] ? lock_downgrade+0x620/0x6e0 [ 1289.682380] ? mutex_trylock+0x1c0/0x1c0 [ 1289.686503] ? avc_has_extended_perms+0x8ec/0xe40 [ 1289.691462] ? futex_wake+0x134/0x430 [ 1289.695270] ? avc_ss_reset+0x110/0x110 [ 1289.699728] mutex_lock_nested+0x16/0x20 [ 1289.703876] ? mutex_lock_nested+0x16/0x20 [ 1289.708122] lo_ioctl+0x87/0x1c70 [ 1289.711688] ? trace_hardirqs_on+0x10/0x10 [ 1289.715940] ? loop_probe+0x160/0x160 [ 1289.721303] blkdev_ioctl+0x983/0x1880 [ 1289.727271] ? blkpg_ioctl+0x980/0x980 [ 1289.731675] ? __might_fault+0x110/0x1d0 [ 1289.736059] ? __might_sleep+0x93/0xb0 [ 1289.740012] block_ioctl+0xde/0x120 [ 1289.743735] ? blkdev_fallocate+0x3b0/0x3b0 [ 1289.748807] do_vfs_ioctl+0x7b9/0x1070 [ 1289.752814] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1289.757601] ? ioctl_preallocate+0x1c0/0x1c0 [ 1289.762074] ? put_timespec64+0xb4/0x100 [ 1289.766141] ? nsecs_to_jiffies+0x30/0x30 [ 1289.770387] ? security_file_ioctl+0x83/0xc0 [ 1289.774808] ? security_file_ioctl+0x8f/0xc0 [ 1289.779278] SyS_ioctl+0x8f/0xc0 [ 1289.782745] ? do_vfs_ioctl+0x1070/0x1070 [ 1289.786996] do_syscall_64+0x1eb/0x630 [ 1289.791047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1289.795914] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1289.801159] RIP: 0033:0x458da9 [ 1289.804350] RSP: 002b:00007ffc568ca328 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1289.812179] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 1289.819458] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000003 [ 1289.826791] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 1289.834107] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000135a914 [ 1289.841443] R13: 00000000004c2093 R14: 00000000004d4958 R15: 00000000ffffffff [ 1289.848785] INFO: task blkid:7264 blocked for more than 140 seconds. [ 1289.855845] Not tainted 4.14.114 #4 [ 1289.859986] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1289.868049] blkid D29040 7264 7219 0x00000004 [ 1289.873720] Call Trace: [ 1289.876358] __schedule+0x7be/0x1cf0 [ 1289.880134] ? __mutex_lock+0x737/0x1470 [ 1289.884210] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1289.889218] schedule+0x92/0x1c0 [ 1289.892642] schedule_preempt_disabled+0x13/0x20 [ 1289.897401] __mutex_lock+0x73c/0x1470 [ 1289.901448] ? trace_hardirqs_on+0x10/0x10 [ 1289.905688] ? lo_open+0x1d/0xb0 [ 1289.909034] ? refcount_add+0x40/0x50 [ 1289.912899] ? mutex_trylock+0x1c0/0x1c0 [ 1289.916979] ? find_held_lock+0x35/0x130 [ 1289.921088] ? disk_get_part+0x9c/0x140 [ 1289.925073] ? lock_downgrade+0x6e0/0x6e0 [ 1289.929206] ? loop_unregister_transfer+0x90/0x90 [ 1289.934223] mutex_lock_nested+0x16/0x20 [ 1289.938297] ? mutex_lock_nested+0x16/0x20 [ 1289.942600] lo_open+0x1d/0xb0 [ 1289.945802] __blkdev_get+0x2c9/0x1120 [ 1289.949676] ? __blkdev_put+0x7f0/0x7f0 [ 1289.953705] ? bd_acquire+0x178/0x2c0 [ 1289.957528] ? find_held_lock+0x35/0x130 [ 1289.961638] blkdev_get+0xa8/0x8e0 [ 1289.965177] ? bd_may_claim+0xd0/0xd0 [ 1289.968962] ? _raw_spin_unlock+0x2d/0x50 [ 1289.973158] blkdev_open+0x1d1/0x260 [ 1289.976881] ? security_file_open+0x8f/0x1a0 [ 1289.982129] do_dentry_open+0x73e/0xeb0 [ 1289.986108] ? bd_acquire+0x2c0/0x2c0 [ 1289.989901] vfs_open+0x105/0x230 [ 1289.993465] path_openat+0x8bd/0x3f70 [ 1289.997276] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1290.001996] ? __handle_mm_fault+0x299c/0x3470 [ 1290.006593] ? __alloc_fd+0x1d4/0x4a0 [ 1290.010444] do_filp_open+0x18e/0x250 [ 1290.014255] ? may_open_dev+0xe0/0xe0 [ 1290.018057] ? _raw_spin_unlock+0x2d/0x50 [ 1290.022472] ? __alloc_fd+0x1d4/0x4a0 [ 1290.026277] do_sys_open+0x2c5/0x430 [ 1290.030097] ? filp_open+0x70/0x70 [ 1290.033902] SyS_open+0x2d/0x40 [ 1290.037173] ? do_sys_open+0x430/0x430 [ 1290.041120] do_syscall_64+0x1eb/0x630 [ 1290.045051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1290.049899] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1290.055290] RIP: 0033:0x7f996ce2a120 [ 1290.059158] RSP: 002b:00007ffcf255b308 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1290.066938] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f996ce2a120 [ 1290.074523] RDX: 00007ffcf255cf33 RSI: 0000000000000000 RDI: 00007ffcf255cf33 [ 1290.081866] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1290.089240] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000162e030 [ 1290.096591] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1290.103952] INFO: task blkid:7267 blocked for more than 140 seconds. [ 1290.111000] Not tainted 4.14.114 #4 [ 1290.115181] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.123217] blkid D29040 7267 7065 0x00000004 [ 1290.128868] Call Trace: [ 1290.131508] __schedule+0x7be/0x1cf0 [ 1290.135226] ? __mutex_lock+0x737/0x1470 [ 1290.139271] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1290.144348] schedule+0x92/0x1c0 [ 1290.147723] schedule_preempt_disabled+0x13/0x20 [ 1290.152731] __mutex_lock+0x73c/0x1470 [ 1290.156676] ? lo_open+0x1d/0xb0 [ 1290.160272] ? refcount_add+0x40/0x50 [ 1290.164196] ? mutex_trylock+0x1c0/0x1c0 [ 1290.168261] ? exact_match+0xd/0x20 [ 1290.171952] ? kobj_lookup+0x319/0x410 [ 1290.176631] ? loop_unregister_transfer+0x90/0x90 [ 1290.181530] mutex_lock_nested+0x16/0x20 [ 1290.185661] ? mutex_lock_nested+0x16/0x20 [ 1290.189888] lo_open+0x1d/0xb0 [ 1290.193131] __blkdev_get+0xab1/0x1120 [ 1290.197029] ? __blkdev_put+0x7f0/0x7f0 [ 1290.201062] ? bd_acquire+0x178/0x2c0 [ 1290.204881] ? find_held_lock+0x35/0x130 [ 1290.209044] blkdev_get+0xa8/0x8e0 [ 1290.212652] ? bd_may_claim+0xd0/0xd0 [ 1290.216461] ? _raw_spin_unlock+0x2d/0x50 [ 1290.220666] blkdev_open+0x1d1/0x260 [ 1290.224404] ? security_file_open+0x8f/0x1a0 [ 1290.228962] do_dentry_open+0x73e/0xeb0 [ 1290.233279] ? bd_acquire+0x2c0/0x2c0 [ 1290.237217] vfs_open+0x105/0x230 [ 1290.241386] path_openat+0x8bd/0x3f70 [ 1290.245197] ? trace_hardirqs_on+0x10/0x10 [ 1290.249419] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1290.254145] ? find_held_lock+0x35/0x130 [ 1290.258271] ? __alloc_fd+0x1d4/0x4a0 [ 1290.262271] do_filp_open+0x18e/0x250 [ 1290.266075] ? may_open_dev+0xe0/0xe0 [ 1290.269888] ? _raw_spin_unlock+0x2d/0x50 [ 1290.274455] ? __alloc_fd+0x1d4/0x4a0 [ 1290.278328] do_sys_open+0x2c5/0x430 [ 1290.282094] ? filp_open+0x70/0x70 [ 1290.285636] SyS_open+0x2d/0x40 [ 1290.288958] ? do_sys_open+0x430/0x430 [ 1290.293243] do_syscall_64+0x1eb/0x630 [ 1290.297157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1290.302060] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1290.307267] RIP: 0033:0x7f677b6f2120 [ 1290.311020] RSP: 002b:00007ffc0ac5f4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1290.318755] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f677b6f2120 [ 1290.326193] RDX: 00007ffc0ac60f40 RSI: 0000000000000000 RDI: 00007ffc0ac60f40 [ 1290.333508] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1290.340840] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000007ff030 [ 1290.348114] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1290.355466] INFO: task blkid:7268 blocked for more than 140 seconds. [ 1290.362035] Not tainted 4.14.114 #4 [ 1290.366177] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.374688] blkid D29040 7268 7066 0x00000004 [ 1290.380372] Call Trace: [ 1290.382964] __schedule+0x7be/0x1cf0 [ 1290.386663] ? __mutex_lock+0x737/0x1470 [ 1290.390833] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1290.395865] schedule+0x92/0x1c0 [ 1290.399282] schedule_preempt_disabled+0x13/0x20 [ 1290.404092] __mutex_lock+0x73c/0x1470 [ 1290.408057] ? __mutex_unlock_slowpath+0x71/0x800 [ 1290.412951] ? __blkdev_get+0x145/0x1120 [ 1290.417018] ? mutex_trylock+0x1c0/0x1c0 [ 1290.421131] ? exact_match+0xd/0x20 [ 1290.424761] ? kobj_lookup+0x319/0x410 [ 1290.428636] ? blkdev_ioctl+0x1880/0x1880 [ 1290.432924] mutex_lock_nested+0x16/0x20 [ 1290.436997] ? mutex_lock_nested+0x16/0x20 [ 1290.441273] __blkdev_get+0x145/0x1120 [ 1290.445166] ? __blkdev_put+0x7f0/0x7f0 [ 1290.449131] ? bd_acquire+0x178/0x2c0 [ 1290.456339] ? find_held_lock+0x35/0x130 [ 1290.460450] blkdev_get+0xa8/0x8e0 [ 1290.463994] ? bd_may_claim+0xd0/0xd0 [ 1290.467799] ? _raw_spin_unlock+0x2d/0x50 [ 1290.471983] blkdev_open+0x1d1/0x260 [ 1290.475695] ? security_file_open+0x8f/0x1a0 [ 1290.480155] do_dentry_open+0x73e/0xeb0 [ 1290.484138] ? bd_acquire+0x2c0/0x2c0 [ 1290.487936] vfs_open+0x105/0x230 [ 1290.491428] path_openat+0x8bd/0x3f70 [ 1290.495240] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1290.499903] ? __handle_mm_fault+0x299c/0x3470 [ 1290.505174] ? __alloc_fd+0x1d4/0x4a0 [ 1290.508978] do_filp_open+0x18e/0x250 [ 1290.512815] ? may_open_dev+0xe0/0xe0 [ 1290.516622] ? _raw_spin_unlock+0x2d/0x50 [ 1290.520818] ? __alloc_fd+0x1d4/0x4a0 [ 1290.524636] do_sys_open+0x2c5/0x430 [ 1290.528346] ? filp_open+0x70/0x70 [ 1290.531932] SyS_open+0x2d/0x40 [ 1290.535238] ? do_sys_open+0x430/0x430 [ 1290.539126] do_syscall_64+0x1eb/0x630 [ 1290.543235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1290.548117] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1290.553452] RIP: 0033:0x7fdaf06dc120 [ 1290.557165] RSP: 002b:00007ffef0a42998 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1290.564933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdaf06dc120 [ 1290.572477] RDX: 00007ffef0a44f33 RSI: 0000000000000000 RDI: 00007ffef0a44f33 [ 1290.580092] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1290.587496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000bf9030 [ 1290.595497] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1290.602837] [ 1290.602837] Showing all locks held in the system: [ 1290.609173] 1 lock held by khungtaskd/1007: [ 1290.613629] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1290.626488] 1 lock held by rsyslogd/6935: [ 1290.630979] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xab/0xd0 [ 1290.639240] 2 locks held by getty/7058: [ 1290.643263] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.660255] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.669562] 2 locks held by getty/7059: [ 1290.673597] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.682326] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.691680] 2 locks held by getty/7060: [ 1290.695665] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.704400] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.713768] 2 locks held by getty/7061: [ 1290.717747] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.726596] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.736216] 2 locks held by getty/7062: [ 1290.740226] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.748931] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.758290] 2 locks held by getty/7063: [ 1290.762302] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.771049] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.780397] 2 locks held by getty/7064: [ 1290.784361] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1290.793189] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1290.802551] 1 lock held by syz-executor.3/7103: [ 1290.807235] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.815978] 2 locks held by syz-executor.2/7105: [ 1290.821070] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.829771] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.838037] 2 locks held by syz-executor.0/7107: [ 1290.842817] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.851200] #1: (&bdev->bd_mutex){+.+.}, at: [] blkdev_reread_part+0x1f/0x40 [ 1290.860195] 2 locks held by syz-executor.1/7109: [ 1290.864939] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.873652] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.881780] 2 locks held by syz-executor.5/7111: [ 1290.886543] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.895541] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.903843] 3 locks held by blkid/7257: [ 1290.907824] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xa6/0x7f0 [ 1290.916364] #1: (loop_index_mutex){+.+.}, at: [] lo_release+0x1e/0x1b0 [ 1290.924811] #2: (loop_ctl_mutex#2){+.+.}, at: [] lo_release+0x84/0x1b0 [ 1290.933271] 1 lock held by syz-executor.4/7260: [ 1290.937935] #0: (loop_ctl_mutex/1){+.+.}, at: [] lo_ioctl+0x87/0x1c70 [ 1290.946343] 2 locks held by blkid/7264: [ 1290.950329] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.958992] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.967091] 2 locks held by blkid/7267: [ 1290.971074] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1290.980944] #1: (loop_index_mutex){+.+.}, at: [] lo_open+0x1d/0xb0 [ 1290.989031] 1 lock held by blkid/7268: [ 1290.992945] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1291.001676] 1 lock held by blkid/7270: [ 1291.005561] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1291.014273] 1 lock held by blkid/7271: [ 1291.018155] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x145/0x1120 [ 1291.026856] [ 1291.028497] ============================================= [ 1291.028497] [ 1291.035816] NMI backtrace for cpu 0 [ 1291.039457] CPU: 0 PID: 1007 Comm: khungtaskd Not tainted 4.14.114 #4 [ 1291.046051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1291.055426] Call Trace: [ 1291.058106] dump_stack+0x138/0x19c [ 1291.061733] nmi_cpu_backtrace.cold+0x57/0x94 [ 1291.066274] ? irq_force_complete_move.cold+0x7d/0x7d [ 1291.071550] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1291.076808] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1291.081988] watchdog+0x5e7/0xb90 [ 1291.085462] kthread+0x31c/0x430 [ 1291.088816] ? hungtask_pm_notify+0x60/0x60 [ 1291.093115] ? kthread_create_on_node+0xd0/0xd0 [ 1291.097771] ret_from_fork+0x3a/0x50 [ 1291.101662] Sending NMI from CPU 0 to CPUs 1: [ 1291.106574] NMI backtrace for cpu 1 [ 1291.106579] CPU: 1 PID: 7131 Comm: kworker/u4:4 Not tainted 4.14.114 #4 [ 1291.106583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1291.106586] Workqueue: bat_events batadv_nc_worker [ 1291.106591] task: ffff8880a9790080 task.stack: ffff8880a00d8000 [ 1291.106594] RIP: 0010:lock_release+0x44b/0x940 [ 1291.106597] RSP: 0018:ffff8880a00dfc48 EFLAGS: 00000086 [ 1291.106602] RAX: 1ffffffff0ee296d RBX: 1ffff1101401bf8f RCX: 1ffff110152f211e [ 1291.106606] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 0000000000000282 [ 1291.106609] RBP: ffff8880a00dfce0 R08: ffff8880a9790080 R09: 0000000000000002 [ 1291.106613] R10: 0000000000000000 R11: ffff8880a9790080 R12: ffff8880a9790080 [ 1291.106616] R13: ffffffff8603a30d R14: 0000000000000003 R15: ffff8880a00dfcb8 [ 1291.106620] FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 1291.106623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1291.106627] CR2: 00000000007984ec CR3: 0000000096ff9000 CR4: 00000000001406e0 [ 1291.106630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1291.106634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1291.106636] Call Trace: [ 1291.106638] ? lock_downgrade+0x6e0/0x6e0 [ 1291.106641] batadv_nc_worker+0x1d8/0x6d0 [ 1291.106643] process_one_work+0x868/0x1610 [ 1291.106646] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 1291.106649] worker_thread+0x5d9/0x1050 [ 1291.106651] kthread+0x31c/0x430 [ 1291.106654] ? process_one_work+0x1610/0x1610 [ 1291.106657] ? kthread_create_on_node+0xd0/0xd0 [ 1291.106659] ret_from_fork+0x3a/0x50 [ 1291.106661] Code: c7 84 24 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 39 03 00 00 48 83 3d 67 05 29 06 00 0f 84 c2 01 00 00 48 8b 7d 88 <57> 9d 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 [ 1291.107673] Kernel panic - not syncing: hung_task: blocked tasks [ 1291.285210] CPU: 0 PID: 1007 Comm: khungtaskd Not tainted 4.14.114 #4 [ 1291.291778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1291.301111] Call Trace: [ 1291.303684] dump_stack+0x138/0x19c [ 1291.307297] panic+0x1f2/0x438 [ 1291.310494] ? add_taint.cold+0x16/0x16 [ 1291.314451] ? ___preempt_schedule+0x16/0x18 [ 1291.318843] watchdog+0x5f8/0xb90 [ 1291.322281] kthread+0x31c/0x430 [ 1291.325627] ? hungtask_pm_notify+0x60/0x60 [ 1291.329927] ? kthread_create_on_node+0xd0/0xd0 [ 1291.334582] ret_from_fork+0x3a/0x50 [ 1291.339467] Kernel Offset: disabled [ 1291.343089] Rebooting in 86400 seconds..