[ 35.935621] audit: type=1800 audit(1546145471.708:28): pid=7546 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.508280] audit: type=1800 audit(1546145472.348:29): pid=7546 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 36.527155] audit: type=1800 audit(1546145472.348:30): pid=7546 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. 2018/12/30 04:51:50 parsed 1 programs syzkaller login: [ 75.805145] ld (7731) used greatest stack depth: 15208 bytes left 2018/12/30 04:51:52 executed programs: 0 [ 76.372329] IPVS: ftp: loaded support on port[0] = 21 [ 76.393155] IPVS: ftp: loaded support on port[0] = 21 [ 76.398944] IPVS: ftp: loaded support on port[0] = 21 [ 76.405428] IPVS: ftp: loaded support on port[0] = 21 [ 76.416490] IPVS: ftp: loaded support on port[0] = 21 [ 76.455970] IPVS: ftp: loaded support on port[0] = 21 [ 76.630952] chnl_net:caif_netlink_parms(): no params data found [ 76.670984] chnl_net:caif_netlink_parms(): no params data found [ 76.718943] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.726423] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.733423] device bridge_slave_0 entered promiscuous mode [ 76.796478] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.803026] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.810552] device bridge_slave_1 entered promiscuous mode [ 76.830782] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.837650] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.845014] device bridge_slave_0 entered promiscuous mode [ 76.859620] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.865975] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.872792] device bridge_slave_1 entered promiscuous mode [ 76.919060] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.926826] chnl_net:caif_netlink_parms(): no params data found [ 76.942815] chnl_net:caif_netlink_parms(): no params data found [ 76.957452] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 76.980349] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 76.988352] chnl_net:caif_netlink_parms(): no params data found [ 77.002528] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.009999] team0: Port device team_slave_0 added [ 77.015085] chnl_net:caif_netlink_parms(): no params data found [ 77.029692] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.056717] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.064137] team0: Port device team_slave_1 added [ 77.072678] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 77.084297] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 77.120033] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.127167] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.134319] device bridge_slave_0 entered promiscuous mode [ 77.140705] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.147505] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.154459] device bridge_slave_0 entered promiscuous mode [ 77.160992] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.168932] team0: Port device team_slave_0 added [ 77.196666] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.202994] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.210119] device bridge_slave_1 entered promiscuous mode [ 77.216355] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.222674] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.229617] device bridge_slave_1 entered promiscuous mode [ 77.236018] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.243113] team0: Port device team_slave_1 added [ 77.285875] device hsr_slave_0 entered promiscuous mode [ 77.324153] device hsr_slave_1 entered promiscuous mode [ 77.374057] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.380466] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.387802] device bridge_slave_0 entered promiscuous mode [ 77.398190] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.405119] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.412239] device bridge_slave_1 entered promiscuous mode [ 77.431621] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 77.439326] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 77.446275] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.452612] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.459589] device bridge_slave_0 entered promiscuous mode [ 77.470648] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.477132] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.484450] device bridge_slave_1 entered promiscuous mode [ 77.501607] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.509657] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 77.517335] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 77.534376] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.546288] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.564733] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.583329] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.609021] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.666384] device hsr_slave_0 entered promiscuous mode [ 77.713873] device hsr_slave_1 entered promiscuous mode [ 77.754866] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.762745] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 77.771048] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.777516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.784320] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.790644] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.799535] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.808644] team0: Port device team_slave_0 added [ 77.813917] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.822688] team0: Port device team_slave_0 added [ 77.836193] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.843187] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.855136] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.862918] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 77.870459] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.879783] team0: Port device team_slave_1 added [ 77.885112] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.892278] team0: Port device team_slave_1 added [ 77.898063] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 77.905585] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.912699] team0: Port device team_slave_0 added [ 77.930498] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.938436] team0: Port device team_slave_0 added [ 77.944089] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 77.951410] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 77.958775] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 77.966281] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.973476] team0: Port device team_slave_1 added [ 77.979309] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 77.986937] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 77.997567] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.004718] team0: Port device team_slave_1 added [ 78.076586] device hsr_slave_0 entered promiscuous mode [ 78.133830] device hsr_slave_1 entered promiscuous mode [ 78.204319] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 78.211328] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 78.227634] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 78.275502] device hsr_slave_0 entered promiscuous mode [ 78.324104] device hsr_slave_1 entered promiscuous mode [ 78.384410] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 78.391775] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 78.456684] device hsr_slave_0 entered promiscuous mode [ 78.494093] device hsr_slave_1 entered promiscuous mode [ 78.534321] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 78.541567] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 78.548753] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 78.626533] device hsr_slave_0 entered promiscuous mode [ 78.674046] device hsr_slave_1 entered promiscuous mode [ 78.715156] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.724661] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.733711] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 78.745762] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.759718] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 78.778146] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.802290] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 78.863013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.875568] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.885292] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 78.898064] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.909584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.917120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.926846] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 78.932903] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.940635] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.956547] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.966369] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 78.976749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.984953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.992416] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.998787] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.006388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.021015] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.031149] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.040129] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 79.046463] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.060165] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.067307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 79.074810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.081628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.091466] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.099578] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.107463] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.113831] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.121406] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.130682] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 79.137478] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.145545] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 79.157622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.165767] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.173522] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.184350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.192160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.200401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.208292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.216072] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.222385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.229359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.236219] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.244873] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 79.253086] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 79.262210] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 79.275093] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 79.285434] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.294606] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.300731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.308734] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.316547] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.322874] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.329765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.337662] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.345293] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.351633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.358531] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.366213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.373813] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.380144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.386981] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.396943] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 79.406094] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 79.412145] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.419716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 79.427548] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.437620] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.445629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.453197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.461207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.468120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.477544] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 79.486406] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 79.497045] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 79.503109] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.511441] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.520702] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.528935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.538829] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.548048] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 79.557929] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 79.567643] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.576782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.584937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.592410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.600313] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.608179] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.614549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.621228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.629377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.636997] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.643335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.650150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.657147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.666054] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 79.676085] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 79.684580] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.693125] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 79.703947] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 79.710002] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.716502] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.723372] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.730797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.737871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.745888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.753310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 79.761324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.769754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.777323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.785569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.793041] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.799392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.808506] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 79.817473] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 79.828661] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 79.837212] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 79.846401] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 79.855188] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.862097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 79.869756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.877741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 79.886223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.893767] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 79.901385] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.908965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 79.916909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 79.924730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.932222] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.938575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.946403] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 79.953417] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.960366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 79.967558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 79.975570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.983093] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.989466] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.998348] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.007347] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 80.016148] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 80.024656] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 80.032330] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.040226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.048408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.056367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.063783] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.071486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 80.079535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.087214] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.093537] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.102342] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 80.116752] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.125940] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 80.135080] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.142814] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 80.150317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.158423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.166015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.173747] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.181231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.189057] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.196589] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.204051] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 80.211701] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.219887] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.229330] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 80.238525] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.244982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.252605] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.261665] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 80.269219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.277368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.284771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.292359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.299989] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.307462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 80.316095] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.322902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.332676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.342552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.352491] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 80.361796] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.369286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.379617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.387294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.394909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.402280] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.409752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.417645] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.424519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.435703] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.448045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 80.456385] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.462398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.472845] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.479982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.487965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.495625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 80.503231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.512286] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.520112] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.534475] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.541253] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.547437] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.558481] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 80.569301] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 80.579711] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.588713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 80.596895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.604858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.612245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.620255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.627815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.640689] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.649025] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.659345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 80.669176] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.675738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.685323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 80.692685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.702190] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.724585] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 80.732445] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.750963] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 80.758425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.767994] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.790737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 80.804441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.830944] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.858591] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.876340] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 80.887726] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.902680] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.915659] 8021q: adding VLAN 0 to HW filter on device batadv0 2018/12/30 04:51:57 executed programs: 6 [ 85.490495] [ 85.492164] ===================================================== [ 85.498385] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 85.505117] 4.20.0+ #175 Not tainted [ 85.508812] ----------------------------------------------------- [ 85.515023] syz-executor3/7939 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 85.522191] 00000000fea35bfe (&ctx->fd_wqh){....}, at: aio_poll+0x7ed/0x14a0 [ 85.529373] [ 85.529373] and this task is already holding: [ 85.535322] 00000000be09230e (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x7c5/0x14a0 [ 85.543652] which would create a new lock dependency: [ 85.548814] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 85.555374] [ 85.555374] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 85.563507] (&(&ctx->ctx_lock)->rlock){..-.} [ 85.563513] [ 85.563513] ... which became SOFTIRQ-irq-safe at: [ 85.574292] lock_acquire+0x1ed/0x520 [ 85.578175] _raw_spin_lock_irq+0x61/0x80 [ 85.582401] free_ioctx_users+0xbc/0x710 [ 85.586528] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 85.592044] rcu_process_callbacks+0xc5b/0x1600 [ 85.596780] __do_softirq+0x30c/0xb2e [ 85.600646] irq_exit+0x17f/0x1c0 [ 85.604165] smp_apic_timer_interrupt+0x1cb/0x760 [ 85.609095] apic_timer_interrupt+0xf/0x20 [ 85.613404] _raw_spin_unlock_irq+0x56/0x80 [ 85.617797] finish_task_switch+0x1f4/0x910 [ 85.622185] __schedule+0x874/0x1ed0 [ 85.625963] schedule+0xef/0x370 [ 85.629394] do_nanosleep+0x21e/0x750 [ 85.633269] hrtimer_nanosleep+0x2d4/0x620 [ 85.637590] __x64_sys_nanosleep+0x1e7/0x280 [ 85.642071] do_syscall_64+0x1b9/0x820 [ 85.646030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.651280] [ 85.651280] to a SOFTIRQ-irq-unsafe lock: [ 85.656873] (&ctx->fault_pending_wqh){+.+.} [ 85.656880] [ 85.656880] ... which became SOFTIRQ-irq-unsafe at: [ 85.667745] ... [ 85.667754] lock_acquire+0x1ed/0x520 [ 85.673475] _raw_spin_lock+0x2d/0x40 [ 85.677349] userfaultfd_release+0x63e/0x8d0 [ 85.681820] __fput+0x385/0xa50 [ 85.685173] ____fput+0x15/0x20 [ 85.688528] task_work_run+0x1e8/0x2a0 [ 85.692482] get_signal+0x1558/0x1980 [ 85.696349] do_signal+0x9c/0x21c0 [ 85.699958] exit_to_usermode_loop+0x2e5/0x380 [ 85.704611] do_syscall_64+0x6be/0x820 [ 85.708577] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.713827] [ 85.713827] other info that might help us debug this: [ 85.713827] [ 85.721940] Chain exists of: [ 85.721940] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 85.721940] [ 85.734060] Possible interrupt unsafe locking scenario: [ 85.734060] [ 85.740965] CPU0 CPU1 [ 85.745608] ---- ---- [ 85.750244] lock(&ctx->fault_pending_wqh); [ 85.754625] local_irq_disable(); [ 85.760656] lock(&(&ctx->ctx_lock)->rlock); [ 85.767642] lock(&ctx->fd_wqh); [ 85.773600] [ 85.776350] lock(&(&ctx->ctx_lock)->rlock); [ 85.780992] [ 85.780992] *** DEADLOCK *** [ 85.780992] [ 85.787029] 1 lock held by syz-executor3/7939: [ 85.791582] #0: 00000000be09230e (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x7c5/0x14a0 [ 85.800230] [ 85.800230] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 85.809214] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 85.814034] IN-SOFTIRQ-W at: [ 85.817292] lock_acquire+0x1ed/0x520 [ 85.822736] _raw_spin_lock_irq+0x61/0x80 [ 85.828512] free_ioctx_users+0xbc/0x710 [ 85.834203] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 85.841281] rcu_process_callbacks+0xc5b/0x1600 [ 85.847583] __do_softirq+0x30c/0xb2e [ 85.853018] irq_exit+0x17f/0x1c0 [ 85.858112] smp_apic_timer_interrupt+0x1cb/0x760 [ 85.864581] apic_timer_interrupt+0xf/0x20 [ 85.870441] _raw_spin_unlock_irq+0x56/0x80 [ 85.876391] finish_task_switch+0x1f4/0x910 [ 85.882338] __schedule+0x874/0x1ed0 [ 85.887686] schedule+0xef/0x370 [ 85.892675] do_nanosleep+0x21e/0x750 [ 85.898108] hrtimer_nanosleep+0x2d4/0x620 [ 85.903972] __x64_sys_nanosleep+0x1e7/0x280 [ 85.910006] do_syscall_64+0x1b9/0x820 [ 85.915520] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.922336] INITIAL USE at: [ 85.925520] lock_acquire+0x1ed/0x520 [ 85.930886] _raw_spin_lock_irq+0x61/0x80 [ 85.936606] free_ioctx_users+0xbc/0x710 [ 85.942207] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 85.949209] rcu_process_callbacks+0xc5b/0x1600 [ 85.955434] __do_softirq+0x30c/0xb2e [ 85.960794] irq_exit+0x17f/0x1c0 [ 85.965814] smp_apic_timer_interrupt+0x1cb/0x760 [ 85.972196] apic_timer_interrupt+0xf/0x20 [ 85.978251] _raw_spin_unlock_irq+0x56/0x80 [ 85.984120] finish_task_switch+0x1f4/0x910 [ 85.989985] __schedule+0x874/0x1ed0 [ 85.995248] schedule+0xef/0x370 [ 86.000152] do_nanosleep+0x21e/0x750 [ 86.005506] hrtimer_nanosleep+0x2d4/0x620 [ 86.011292] __x64_sys_nanosleep+0x1e7/0x280 [ 86.017259] do_syscall_64+0x1b9/0x820 [ 86.022687] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.029411] } [ 86.031207] ... key at: [] __key.51946+0x0/0x40 [ 86.037929] ... acquired at: [ 86.041012] lock_acquire+0x1ed/0x520 [ 86.044981] _raw_spin_lock+0x2d/0x40 [ 86.048933] aio_poll+0x7ed/0x14a0 [ 86.052630] io_submit_one+0xc20/0x1070 [ 86.056763] __x64_sys_io_submit+0x1bd/0x5c0 [ 86.061326] do_syscall_64+0x1b9/0x820 [ 86.065379] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.070722] [ 86.072334] [ 86.072334] the dependencies between the lock to be acquired [ 86.072337] and SOFTIRQ-irq-unsafe lock: [ 86.083713] -> (&ctx->fault_pending_wqh){+.+.} { [ 86.088532] HARDIRQ-ON-W at: [ 86.091879] lock_acquire+0x1ed/0x520 [ 86.097478] _raw_spin_lock+0x2d/0x40 [ 86.103105] userfaultfd_release+0x63e/0x8d0 [ 86.109334] __fput+0x385/0xa50 [ 86.114434] ____fput+0x15/0x20 [ 86.119520] task_work_run+0x1e8/0x2a0 [ 86.125220] get_signal+0x1558/0x1980 [ 86.130825] do_signal+0x9c/0x21c0 [ 86.136167] exit_to_usermode_loop+0x2e5/0x380 [ 86.142552] do_syscall_64+0x6be/0x820 [ 86.148239] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.155231] SOFTIRQ-ON-W at: [ 86.158582] lock_acquire+0x1ed/0x520 [ 86.164183] _raw_spin_lock+0x2d/0x40 [ 86.169786] userfaultfd_release+0x63e/0x8d0 [ 86.176006] __fput+0x385/0xa50 [ 86.181102] ____fput+0x15/0x20 [ 86.186184] task_work_run+0x1e8/0x2a0 [ 86.191868] get_signal+0x1558/0x1980 [ 86.197468] do_signal+0x9c/0x21c0 [ 86.202809] exit_to_usermode_loop+0x2e5/0x380 [ 86.209209] do_syscall_64+0x6be/0x820 [ 86.214899] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.221896] INITIAL USE at: [ 86.225156] lock_acquire+0x1ed/0x520 [ 86.230670] _raw_spin_lock+0x2d/0x40 [ 86.236185] userfaultfd_ctx_read+0x6b7/0x2140 [ 86.242479] userfaultfd_read+0x1e2/0x2c0 [ 86.248366] __vfs_read+0x117/0xa80 [ 86.253710] vfs_read+0x17f/0x3e0 [ 86.258877] ksys_read+0x101/0x260 [ 86.264135] __x64_sys_read+0x73/0xb0 [ 86.269671] do_syscall_64+0x1b9/0x820 [ 86.275277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.282191] } [ 86.284093] ... key at: [] __key.44845+0x0/0x40 [ 86.290910] ... acquired at: [ 86.294091] _raw_spin_lock+0x2d/0x40 [ 86.298045] userfaultfd_ctx_read+0x6b7/0x2140 [ 86.302782] userfaultfd_read+0x1e2/0x2c0 [ 86.307086] __vfs_read+0x117/0xa80 [ 86.310863] vfs_read+0x17f/0x3e0 [ 86.314468] ksys_read+0x101/0x260 [ 86.318166] __x64_sys_read+0x73/0xb0 [ 86.322124] do_syscall_64+0x1b9/0x820 [ 86.326166] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.331502] [ 86.333109] -> (&ctx->fd_wqh){....} { [ 86.336895] INITIAL USE at: [ 86.340086] lock_acquire+0x1ed/0x520 [ 86.345445] _raw_spin_lock_irq+0x61/0x80 [ 86.351134] userfaultfd_ctx_read+0x2bc/0x2140 [ 86.357256] userfaultfd_read+0x1e2/0x2c0 [ 86.362954] __vfs_read+0x117/0xa80 [ 86.368125] vfs_read+0x17f/0x3e0 [ 86.373126] ksys_read+0x101/0x260 [ 86.378222] __x64_sys_read+0x73/0xb0 [ 86.383568] do_syscall_64+0x1b9/0x820 [ 86.388998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.395723] } [ 86.397519] ... key at: [] __key.44848+0x0/0x40 [ 86.404254] ... acquired at: [ 86.407342] lock_acquire+0x1ed/0x520 [ 86.411294] _raw_spin_lock+0x2d/0x40 [ 86.415248] aio_poll+0x7ed/0x14a0 [ 86.418940] io_submit_one+0xc20/0x1070 [ 86.423076] __x64_sys_io_submit+0x1bd/0x5c0 [ 86.427649] do_syscall_64+0x1b9/0x820 [ 86.431693] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.437041] [ 86.438652] [ 86.438652] stack backtrace: [ 86.443126] CPU: 1 PID: 7939 Comm: syz-executor3 Not tainted 4.20.0+ #175 [ 86.450029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.459359] Call Trace: [ 86.461934] dump_stack+0x1d3/0x2c6 [ 86.465551] ? dump_stack_print_info.cold.1+0x20/0x20 [ 86.470723] ? print_shortest_lock_dependencies.cold.57+0x18e/0x211 [ 86.477126] ? vprintk_func+0x85/0x181 [ 86.481001] check_usage.cold.60+0x6d5/0xad1 [ 86.485394] ? check_usage_forwards+0x3d0/0x3d0 [ 86.490044] ? lockdep_on+0x50/0x50 [ 86.493660] ? mark_held_locks+0x130/0x130 [ 86.497875] ? __lock_acquire+0x62f/0x4c20 [ 86.502088] ? add_lock_to_list.isra.26+0x4b0/0x4b0 [ 86.507101] __lock_acquire+0x239f/0x4c20 [ 86.511233] ? __lock_acquire+0x239f/0x4c20 [ 86.515537] ? mark_held_locks+0x130/0x130 [ 86.519755] ? graph_lock+0x270/0x270 [ 86.523537] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 86.528633] ? find_held_lock+0x36/0x1c0 [ 86.532678] ? add_wait_queue+0x1b9/0x2b0 [ 86.536807] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 86.541892] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 86.546984] ? lockdep_hardirqs_on+0x421/0x5c0 [ 86.551547] ? trace_hardirqs_on+0xbd/0x310 [ 86.555858] ? kasan_check_read+0x11/0x20 [ 86.559985] ? add_wait_queue+0x1b9/0x2b0 [ 86.564112] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 86.569559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 86.574641] ? add_wait_queue+0x1b9/0x2b0 [ 86.578784] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 86.584042] lock_acquire+0x1ed/0x520 [ 86.587832] ? aio_poll+0x7ed/0x14a0 [ 86.591545] ? lock_release+0xa00/0xa00 [ 86.595497] ? kasan_check_read+0x11/0x20 [ 86.599621] ? do_raw_spin_lock+0x14f/0x350 [ 86.603933] ? init_once_userfaultfd_ctx+0xd0/0xd0 [ 86.608849] ? rwlock_bug.part.2+0x90/0x90 [ 86.613078] ? trace_hardirqs_on+0x310/0x310 [ 86.617464] ? __save_stack_trace+0x8d/0xf0 [ 86.621763] _raw_spin_lock+0x2d/0x40 [ 86.625560] ? aio_poll+0x7ed/0x14a0 [ 86.629261] aio_poll+0x7ed/0x14a0 [ 86.632780] ? free_ioctx_users+0x710/0x710 [ 86.637093] ? kasan_slab_alloc+0x12/0x20 [ 86.641229] ? aio_setup_rw+0x170/0x170 [ 86.645182] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.650525] ? graph_lock+0x270/0x270 [ 86.654446] ? graph_lock+0x270/0x270 [ 86.658225] ? find_held_lock+0x36/0x1c0 [ 86.662272] ? find_held_lock+0x36/0x1c0 [ 86.666337] ? __might_fault+0x12b/0x1e0 [ 86.670378] ? lock_downgrade+0x900/0x900 [ 86.674517] ? lock_release+0xa00/0xa00 [ 86.678476] ? arch_local_save_flags+0x40/0x40 [ 86.683040] ? kasan_check_read+0x11/0x20 [ 86.687167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 86.692421] io_submit_one+0xc20/0x1070 [ 86.696391] ? io_submit_one+0xc20/0x1070 [ 86.700528] ? aio_poll+0x14a0/0x14a0 [ 86.704314] ? __might_fault+0x12b/0x1e0 [ 86.708367] ? lock_downgrade+0x900/0x900 [ 86.712493] ? arch_local_save_flags+0x40/0x40 [ 86.717060] __x64_sys_io_submit+0x1bd/0x5c0 [ 86.721443] ? __ia32_sys_io_destroy+0x580/0x580 [ 86.726179] ? do_syscall_64+0x9a/0x820 [ 86.730135] ? lockdep_hardirqs_on+0x421/0x5c0 [ 86.734733] ? trace_hardirqs_on+0xbd/0x310 [ 86.739060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.744603] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.749959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 86.755406] do_syscall_64+0x1b9/0x820 [ 86.759270] ? __ia32_sys_io_destroy+0x580/0x580 [ 86.764004] ? do_syscall_64+0x1b9/0x820 [ 86.768048] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 86.773401] ? syscall_return_slowpath+0x5e0/0x5e0 [ 86.778309] ? trace_hardirqs_on_caller+0x310/0x310 [ 86.783304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 86.788324] ? recalc_sigpending_tsk+0x180/0x180 [ 86.793088] ? __switch_to_asm+0x40/0x70 [ 86.797136] ? __switch_to_asm+0x34/0x70 [ 86.801178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.806001] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.811170] RIP: 0033:0x457ec9 [ 86.814343] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.833236] RSP: 002b:00007f21eb9ecc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 2018/12/30 04:52:02 executed programs: 30 [ 86.840925] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 86.848179] RDX: 0000000020000600 RSI: 0000000000000001 RDI: 00007f21eba30000 [ 86.855437] RBP: 000000000073c180 R08: 0000000000000000 R09: 0000000000000000 [ 86.862686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21eb9ed6d4 [ 86.869936] R13: 00000000004bf0d2 R14: 00000000004d0388 R15: 00000000ffffffff [ 86.906613] kobject: 'loop0' (0000000012831c3c): kobject_uevent_env [ 86.914898] kobject: 'loop0' (0000000012831c3c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 86.937247] kobject: 'loop3' (0000000034b7275a): kobject_uevent_env [ 86.943801] kobject: 'loop3' (0000000034b7275a): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 86.966552] kobject: 'loop2' (0000000077b34aa0): kobject_uevent_env [ 86.973423] kobject: 'loop2' (0000000077b34aa0): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 86.987394] kobject: 'loop5' (0000000036687fb7): kobject_uevent_env [ 87.002149] kobject: 'loop5' (0000000036687fb7): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 87.013369] kobject: 'loop1' (00000000c19f4a54): kobject_uevent_env [ 87.019970] kobject: 'loop1' (00000000c19f4a54): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 87.030078] kobject: 'loop4' (0000000096317c30): kobject_uevent_env [ 87.036677] kobject: 'loop4' (0000000096317c30): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 87.837405] kobject: 'loop0' (0000000012831c3c): kobject_uevent_env [ 87.844160] kobject: 'loop0' (0000000012831c3c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 87.877924] kobject: 'loop3' (0000000034b7275a): kobject_uevent_env [ 87.884580] kobject: 'loop3' (0000000034b7275a): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 87.900420] kobject: 'loop2' (0000000077b34aa0): kobject_uevent_env [ 87.921142] kobject: 'loop2' (0000000077b34aa0): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 87.931515] kobject: 'loop5' (0000000036687fb7): kobject_uevent_env [ 87.942424] kobject: 'loop5' (0000000036687fb7): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 87.954974] kobject: 'loop1' (00000000c19f4a54): kobject_uevent_env [ 87.961437] kobject: 'loop1' (00000000c19f4a54): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 87.973553] kobject: 'loop4' (0000000096317c30): kobject_uevent_env [ 87.980052] kobject: 'loop4' (0000000096317c30): fill_kobj_path: path = '/devices/virtual/block/loop4'