[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 32.895148] kauditd_printk_skb: 9 callbacks suppressed [ 32.895160] audit: type=1800 audit(1543937814.896:33): pid=5949 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 32.927323] audit: type=1800 audit(1543937814.896:34): pid=5949 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=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 35.374037] audit: type=1400 audit(1543937817.376:35): avc: denied { map } for pid=6125 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 Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts. [ 201.724311] audit: type=1400 audit(1543937983.726:36): avc: denied { map } for pid=6139 comm="syz-executor198" path="/root/syz-executor198165752" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 201.776493] IPVS: ftp: loaded support on port[0] = 21 [ 201.780120] IPVS: ftp: loaded support on port[0] = 21 [ 201.799962] IPVS: ftp: loaded support on port[0] = 21 [ 201.801375] IPVS: ftp: loaded support on port[0] = 21 [ 201.820826] IPVS: ftp: loaded support on port[0] = 21 [ 201.820863] IPVS: ftp: loaded support on port[0] = 21 [ 202.499238] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.513431] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.520990] device bridge_slave_0 entered promiscuous mode [ 202.587535] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.606005] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.619939] device bridge_slave_1 entered promiscuous mode [ 202.638004] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.648356] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.657961] device bridge_slave_0 entered promiscuous mode [ 202.675376] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.681739] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.693883] device bridge_slave_0 entered promiscuous mode [ 202.702851] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 202.720190] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.735796] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.750913] device bridge_slave_0 entered promiscuous mode [ 202.768757] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 202.778489] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.788592] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.803213] device bridge_slave_1 entered promiscuous mode [ 202.810133] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.817198] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.824805] device bridge_slave_0 entered promiscuous mode [ 202.837842] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.845712] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.853221] device bridge_slave_1 entered promiscuous mode [ 202.859641] bridge0: port 1(bridge_slave_0) entered blocking state [ 202.866247] bridge0: port 1(bridge_slave_0) entered disabled state [ 202.874004] device bridge_slave_0 entered promiscuous mode [ 202.881291] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.888168] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.895856] device bridge_slave_1 entered promiscuous mode [ 202.905031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 202.923631] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.930013] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.939346] device bridge_slave_1 entered promiscuous mode [ 202.949530] bridge0: port 2(bridge_slave_1) entered blocking state [ 202.958976] bridge0: port 2(bridge_slave_1) entered disabled state [ 202.967098] device bridge_slave_1 entered promiscuous mode [ 202.974163] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 202.988444] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 203.003302] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.040908] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 203.051700] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 203.064262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.080244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.116485] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.133781] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.173517] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 203.201606] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.229792] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.249650] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.269243] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 203.284176] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.295895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.308814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 203.322269] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 203.335204] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.343326] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 203.356096] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.365541] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.378066] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 203.387370] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 203.398058] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.408053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 203.429137] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 203.441635] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 203.454030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 203.526383] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.535341] team0: Port device team_slave_0 added [ 203.591219] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.600086] team0: Port device team_slave_1 added [ 203.614253] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.623336] team0: Port device team_slave_0 added [ 203.635762] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.643917] team0: Port device team_slave_0 added [ 203.656367] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.671124] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.682867] team0: Port device team_slave_0 added [ 203.691682] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.705303] team0: Port device team_slave_0 added [ 203.711377] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 203.728455] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.735857] team0: Port device team_slave_1 added [ 203.743521] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 203.751034] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.759858] team0: Port device team_slave_1 added [ 203.765645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 203.775795] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 203.785165] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.792206] team0: Port device team_slave_1 added [ 203.798644] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.805945] team0: Port device team_slave_1 added [ 203.816624] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.829687] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.838228] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 203.845723] team0: Port device team_slave_0 added [ 203.851090] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 203.872061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 203.895200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 203.909781] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.926174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 203.934149] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 203.947211] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 203.959166] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 203.971152] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 203.981478] team0: Port device team_slave_1 added [ 203.990343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 204.003043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 204.020340] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 204.038917] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 204.048593] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 204.061356] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 204.070737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 204.080923] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 204.097878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 204.113230] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 204.121925] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 204.129909] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 204.137976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 204.148472] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 204.159453] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 204.171129] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 204.181239] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 204.208021] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 204.222699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 204.230751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 204.238961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 204.246814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 204.256542] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 204.273005] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 204.281932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 204.293755] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 204.301716] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 204.317821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 204.326404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 204.334330] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 204.342135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 204.364598] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 204.377501] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 204.385870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 204.445620] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 204.453733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 204.469235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 204.867694] bridge0: port 2(bridge_slave_1) entered blocking state [ 204.874277] bridge0: port 2(bridge_slave_1) entered forwarding state [ 204.881240] bridge0: port 1(bridge_slave_0) entered blocking state [ 204.887680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 204.896217] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 205.017774] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.024452] bridge0: port 2(bridge_slave_1) entered forwarding state [ 205.031137] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.037557] bridge0: port 1(bridge_slave_0) entered forwarding state [ 205.045959] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 205.120932] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.127350] bridge0: port 2(bridge_slave_1) entered forwarding state [ 205.134067] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.140434] bridge0: port 1(bridge_slave_0) entered forwarding state [ 205.151095] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 205.160729] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.167134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 205.173889] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.180257] bridge0: port 1(bridge_slave_0) entered forwarding state [ 205.188981] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 205.200190] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.206576] bridge0: port 2(bridge_slave_1) entered forwarding state [ 205.213252] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.219623] bridge0: port 1(bridge_slave_0) entered forwarding state [ 205.228909] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 205.252813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 205.260509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available [ 205.292267] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 205.307366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 205.314866] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 205.403712] bridge0: port 2(bridge_slave_1) entered blocking state [ 205.410110] bridge0: port 2(bridge_slave_1) entered forwarding state [ 205.416893] bridge0: port 1(bridge_slave_0) entered blocking state [ 205.423318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 205.435704] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 206.333355] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 207.906169] 8021q: adding VLAN 0 to HW filter on device bond0 [ 207.973726] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.007642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.162712] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.180388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.189900] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.263417] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.276305] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.356913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 208.409071] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.434824] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.540665] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.550823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 208.563238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.579991] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.595469] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.602615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 208.609680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.619575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 208.627233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.641654] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 208.698578] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.712991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 208.724126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.740236] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.760170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 208.769082] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 208.883380] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.893775] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.948596] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.960425] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 208.978499] 8021q: adding VLAN 0 to HW filter on device team0 [ 208.993818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 209.004891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 209.039004] 8021q: adding VLAN 0 to HW filter on device team0 [ 209.243773] 8021q: adding VLAN 0 to HW filter on device team0 [ 210.412908] audit: type=1400 audit(1543937992.406:37): avc: denied { associate } for pid=6147 comm="syz-executor198" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 226.898180] cgroup: fork rejected by pids controller in /syz2 [ 226.909710] ================================================================== [ 226.917308] BUG: KASAN: use-after-free in get_mem_cgroup_from_mm.part.62+0x6d7/0x880 [ 226.925196] Read of size 8 at addr ffff8881b72af310 by task syz-executor198/9332 [ 226.932724] [ 226.934361] CPU: 0 PID: 9332 Comm: syz-executor198 Not tainted 4.20.0-rc5+ #142 [ 226.941824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.951167] Call Trace: [ 226.953792] dump_stack+0x244/0x39d [ 226.957439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 226.962625] ? printk+0xa7/0xcf [ 226.965922] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 226.970685] print_address_description.cold.7+0x9/0x1ff [ 226.976053] kasan_report.cold.8+0x242/0x309 [ 226.980474] ? get_mem_cgroup_from_mm.part.62+0x6d7/0x880 [ 226.986011] __asan_report_load8_noabort+0x14/0x20 [ 226.990937] get_mem_cgroup_from_mm.part.62+0x6d7/0x880 [ 226.996304] ? lock_page_memcg+0x350/0x350 [ 227.000540] ? kasan_check_write+0x14/0x20 [ 227.004779] ? lock_acquire+0x1ed/0x520 [ 227.008752] ? mem_cgroup_oom_control_write+0x100/0x100 [ 227.014118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.019662] ? check_preemption_disabled+0x48/0x280 [ 227.024924] ? kasan_check_read+0x11/0x20 [ 227.029071] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 227.034346] ? rcu_softirq_qs+0x20/0x20 [ 227.038336] mem_cgroup_try_charge+0x608/0xe20 [ 227.042931] ? retint_kernel+0x2d/0x2d [ 227.046818] ? find_held_lock+0x36/0x1c0 [ 227.050885] ? mem_cgroup_protected+0xa60/0xa60 [ 227.055554] ? lock_acquire+0x1ed/0x520 [ 227.059531] ? mcopy_atomic+0x293/0x2c70 [ 227.063593] ? lock_release+0xa00/0xa00 [ 227.067567] ? perf_trace_sched_process_exec+0x860/0x860 [ 227.073016] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.077770] ? __do_page_fault+0x64e/0xe60 [ 227.082019] ? down_read+0x8d/0x120 [ 227.085646] ? vmacache_find+0x61/0x310 [ 227.089620] ? vmacache_update+0x74/0x140 [ 227.093783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.099324] mcopy_atomic+0xb08/0x2c70 [ 227.103235] ? mm_alloc_pmd+0x2f0/0x2f0 [ 227.107212] ? account_entity_enqueue+0x3a3/0x660 [ 227.112066] ? zap_class+0x640/0x640 [ 227.115787] ? finish_task_switch+0x1f4/0x910 [ 227.120282] ? _raw_write_unlock_irq+0x50/0x80 [ 227.124873] ? find_held_lock+0x36/0x1c0 [ 227.128957] ? __might_fault+0x12b/0x1e0 [ 227.133035] ? lock_downgrade+0x900/0x900 [ 227.137183] ? lock_release+0xa00/0xa00 [ 227.141159] ? perf_trace_sched_process_exec+0x860/0x860 [ 227.146613] ? finish_task_switch+0x1f4/0x910 [ 227.151125] ? finish_task_switch+0x1b4/0x910 [ 227.155789] ? __switch_to_asm+0x34/0x70 [ 227.159879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.165417] ? _copy_from_user+0xdf/0x150 [ 227.169567] userfaultfd_ioctl+0x29fb/0x5610 [ 227.173988] ? __sched_text_start+0x8/0x8 [ 227.178174] ? check_preemption_disabled+0x48/0x280 [ 227.183198] ? userfaultfd_read+0x2c0/0x2c0 [ 227.187519] ? find_held_lock+0x36/0x1c0 [ 227.191599] ? try_to_wake_up+0x11c/0x1440 [ 227.195836] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 227.200949] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 227.206051] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 227.210640] ? preempt_schedule+0x4d/0x60 [ 227.214792] ? preempt_schedule_common+0x1f/0xe0 [ 227.219567] ? preempt_schedule+0x4d/0x60 [ 227.223717] ? ___preempt_schedule+0x16/0x18 [ 227.228146] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 227.233249] ? try_to_wake_up+0x11c/0x1440 [ 227.237480] ? zap_class+0x640/0x640 [ 227.241193] ? trace_hardirqs_off_caller+0x310/0x310 [ 227.246298] ? print_usage_bug+0xc0/0xc0 [ 227.250360] ? migrate_swap_stop+0x8a0/0x8a0 [ 227.254777] ? find_held_lock+0x36/0x1c0 [ 227.258850] ? __lock_acquire+0x62f/0x4c20 [ 227.263099] ? lock_downgrade+0x900/0x900 [ 227.267267] ? mark_held_locks+0x130/0x130 [ 227.271510] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 227.276638] ? futex_wake+0x304/0x760 [ 227.280460] ? get_futex_key+0x21b0/0x21b0 [ 227.284696] ? __lock_acquire+0x62f/0x4c20 [ 227.288942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.294481] ? zap_class+0x640/0x640 [ 227.298188] ? do_futex+0x249/0x26d0 [ 227.301918] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.307379] ? find_held_lock+0x36/0x1c0 [ 227.311484] ? __fget+0x4aa/0x740 [ 227.314941] ? lock_downgrade+0x900/0x900 [ 227.319091] ? check_preemption_disabled+0x48/0x280 [ 227.324110] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 227.329044] ? kasan_check_read+0x11/0x20 [ 227.333195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 227.338469] ? rcu_softirq_qs+0x20/0x20 [ 227.342451] ? __fget+0x4d1/0x740 [ 227.345913] ? ksys_dup3+0x680/0x680 [ 227.349635] ? do_dup2+0x329/0x580 [ 227.353184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.358725] ? userfaultfd_read+0x2c0/0x2c0 [ 227.363049] do_vfs_ioctl+0x1de/0x1790 [ 227.366934] ? do_vfs_ioctl+0x1de/0x1790 [ 227.370997] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 227.376190] ? ioctl_preallocate+0x300/0x300 [ 227.380601] ? selinux_file_mprotect+0x620/0x620 [ 227.385374] ? ksys_dup3+0x3f9/0x680 [ 227.389092] ? __x64_sys_futex+0x47f/0x6a0 [ 227.393325] ? do_syscall_64+0x9a/0x820 [ 227.397322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.402866] ? security_file_ioctl+0x94/0xc0 [ 227.407308] ksys_ioctl+0xa9/0xd0 [ 227.410781] __x64_sys_ioctl+0x73/0xb0 [ 227.414671] do_syscall_64+0x1b9/0x820 [ 227.418556] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 227.423921] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.428870] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.433907] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 227.438927] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 227.445589] ? __switch_to_asm+0x40/0x70 [ 227.449660] ? __switch_to_asm+0x34/0x70 [ 227.453743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.458596] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.463782] RIP: 0033:0x44c7e9 [ 227.466974] Code: 5d c5 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 2b c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 227.485878] RSP: 002b:00007f906b69fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 227.493587] RAX: ffffffffffffffda RBX: 00000000006e4a08 RCX: 000000000044c7e9 [ 227.500852] RDX: 0000000020000100 RSI: 00000000c028aa03 RDI: 0000000000000004 [ 227.508126] RBP: 00000000006e4a00 R08: 0000000000000000 R09: 0000000000000000 [ 227.515401] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e4a0c [ 227.522665] R13: 00007ffdfd47813f R14: 00007f906b6a09c0 R15: 000000000000002d [ 227.529941] [ 227.531567] Allocated by task 9325: [ 227.535210] save_stack+0x43/0xd0 [ 227.538672] kasan_kmalloc+0xc7/0xe0 [ 227.542380] kasan_slab_alloc+0x12/0x20 [ 227.546357] kmem_cache_alloc_node+0x144/0x730 [ 227.550934] copy_process+0x2026/0x87a0 [ 227.554905] _do_fork+0x1cb/0x11d0 [ 227.558440] __x64_sys_clone+0xbf/0x150 [ 227.562415] do_syscall_64+0x1b9/0x820 [ 227.566298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.571478] [ 227.573100] Freed by task 9325: [ 227.576382] save_stack+0x43/0xd0 [ 227.579832] __kasan_slab_free+0x102/0x150 [ 227.584121] kasan_slab_free+0xe/0x10 [ 227.587927] kmem_cache_free+0x83/0x290 [ 227.591893] free_task+0x16e/0x1f0 [ 227.595432] copy_process+0x1dcc/0x87a0 [ 227.599403] _do_fork+0x1cb/0x11d0 [ 227.602940] __x64_sys_clone+0xbf/0x150 [ 227.606946] do_syscall_64+0x1b9/0x820 [ 227.610826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.616009] [ 227.617636] The buggy address belongs to the object at ffff8881b72ae240 [ 227.617636] which belongs to the cache task_struct(81:syz2) of size 6080 [ 227.631165] The buggy address is located 4304 bytes inside of [ 227.631165] 6080-byte region [ffff8881b72ae240, ffff8881b72afa00) [ 227.643206] The buggy address belongs to the page: [ 227.648139] page:ffffea0006dcab80 count:1 mapcount:0 mapping:ffff8881d2dce0c0 index:0x0 compound_mapcount: 0 [ 227.658098] flags: 0x2fffc0000010200(slab|head) [ 227.662784] raw: 02fffc0000010200 ffffea00074a1f88 ffffea0006ebbb88 ffff8881d2dce0c0 [ 227.670659] raw: 0000000000000000 ffff8881b72ae240 0000000100000001 ffff8881d87fe580 [ 227.678525] page dumped because: kasan: bad access detected [ 227.684224] page->mem_cgroup:ffff8881d87fe580 [ 227.688702] [ 227.690332] Memory state around the buggy address: [ 227.695257] ffff8881b72af200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 227.702625] ffff8881b72af280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 227.709978] >ffff8881b72af300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 227.717326] ^ [ 227.721206] ffff8881b72af380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 227.728561] ffff8881b72af400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 227.735942] ================================================================== [ 227.743288] Disabling lock debugging due to kernel taint [ 227.758596] Kernel panic - not syncing: panic_on_warn set ... [ 227.764505] CPU: 0 PID: 9332 Comm: syz-executor198 Tainted: G B 4.20.0-rc5+ #142 [ 227.773340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.782688] Call Trace: [ 227.785292] dump_stack+0x244/0x39d [ 227.788922] ? dump_stack_print_info.cold.1+0x20/0x20 [ 227.794122] panic+0x2ad/0x55c [ 227.797333] ? add_taint.cold.5+0x16/0x16 [ 227.801499] ? preempt_schedule+0x4d/0x60 [ 227.805649] ? ___preempt_schedule+0x16/0x18 [ 227.810058] ? trace_hardirqs_on+0xb4/0x310 [ 227.814396] kasan_end_report+0x47/0x4f [ 227.818366] kasan_report.cold.8+0x76/0x309 [ 227.822684] ? get_mem_cgroup_from_mm.part.62+0x6d7/0x880 [ 227.828220] __asan_report_load8_noabort+0x14/0x20 [ 227.833152] get_mem_cgroup_from_mm.part.62+0x6d7/0x880 [ 227.838513] ? lock_page_memcg+0x350/0x350 [ 227.842744] ? kasan_check_write+0x14/0x20 [ 227.846995] ? lock_acquire+0x1ed/0x520 [ 227.850968] ? mem_cgroup_oom_control_write+0x100/0x100 [ 227.856333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.861877] ? check_preemption_disabled+0x48/0x280 [ 227.866898] ? kasan_check_read+0x11/0x20 [ 227.871044] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 227.876315] ? rcu_softirq_qs+0x20/0x20 [ 227.880295] mem_cgroup_try_charge+0x608/0xe20 [ 227.884910] ? retint_kernel+0x2d/0x2d [ 227.888808] ? find_held_lock+0x36/0x1c0 [ 227.892873] ? mem_cgroup_protected+0xa60/0xa60 [ 227.897537] ? lock_acquire+0x1ed/0x520 [ 227.901511] ? mcopy_atomic+0x293/0x2c70 [ 227.905572] ? lock_release+0xa00/0xa00 [ 227.909562] ? perf_trace_sched_process_exec+0x860/0x860 [ 227.915009] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.919782] ? __do_page_fault+0x64e/0xe60 [ 227.924024] ? down_read+0x8d/0x120 [ 227.927664] ? vmacache_find+0x61/0x310 [ 227.931632] ? vmacache_update+0x74/0x140 [ 227.935784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.941319] mcopy_atomic+0xb08/0x2c70 [ 227.945217] ? mm_alloc_pmd+0x2f0/0x2f0 [ 227.949186] ? account_entity_enqueue+0x3a3/0x660 [ 227.954033] ? zap_class+0x640/0x640 [ 227.957755] ? finish_task_switch+0x1f4/0x910 [ 227.962249] ? _raw_write_unlock_irq+0x50/0x80 [ 227.966830] ? find_held_lock+0x36/0x1c0 [ 227.970903] ? __might_fault+0x12b/0x1e0 [ 227.974963] ? lock_downgrade+0x900/0x900 [ 227.979128] ? lock_release+0xa00/0xa00 [ 227.983102] ? perf_trace_sched_process_exec+0x860/0x860 [ 227.988555] ? finish_task_switch+0x1f4/0x910 [ 227.993049] ? finish_task_switch+0x1b4/0x910 [ 227.997543] ? __switch_to_asm+0x34/0x70 [ 228.001622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.007161] ? _copy_from_user+0xdf/0x150 [ 228.011305] userfaultfd_ioctl+0x29fb/0x5610 [ 228.015713] ? __sched_text_start+0x8/0x8 [ 228.019867] ? check_preemption_disabled+0x48/0x280 [ 228.025092] ? userfaultfd_read+0x2c0/0x2c0 [ 228.029408] ? find_held_lock+0x36/0x1c0 [ 228.033469] ? try_to_wake_up+0x11c/0x1440 [ 228.037701] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 228.042799] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 228.047900] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 228.052481] ? preempt_schedule+0x4d/0x60 [ 228.056630] ? preempt_schedule_common+0x1f/0xe0 [ 228.061385] ? preempt_schedule+0x4d/0x60 [ 228.065546] ? ___preempt_schedule+0x16/0x18 [ 228.069958] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 228.075052] ? try_to_wake_up+0x11c/0x1440 [ 228.079307] ? zap_class+0x640/0x640 [ 228.083015] ? trace_hardirqs_off_caller+0x310/0x310 [ 228.088114] ? print_usage_bug+0xc0/0xc0 [ 228.092171] ? migrate_swap_stop+0x8a0/0x8a0 [ 228.096612] ? find_held_lock+0x36/0x1c0 [ 228.100674] ? __lock_acquire+0x62f/0x4c20 [ 228.104903] ? lock_downgrade+0x900/0x900 [ 228.109059] ? mark_held_locks+0x130/0x130 [ 228.113301] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 228.118399] ? futex_wake+0x304/0x760 [ 228.122214] ? get_futex_key+0x21b0/0x21b0 [ 228.126451] ? __lock_acquire+0x62f/0x4c20 [ 228.130691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.136269] ? zap_class+0x640/0x640 [ 228.139975] ? do_futex+0x249/0x26d0 [ 228.143688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.149151] ? find_held_lock+0x36/0x1c0 [ 228.153214] ? __fget+0x4aa/0x740 [ 228.156665] ? lock_downgrade+0x900/0x900 [ 228.160828] ? check_preemption_disabled+0x48/0x280 [ 228.165879] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 228.170808] ? kasan_check_read+0x11/0x20 [ 228.174975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 228.180249] ? rcu_softirq_qs+0x20/0x20 [ 228.184226] ? __fget+0x4d1/0x740 [ 228.187679] ? ksys_dup3+0x680/0x680 [ 228.191391] ? do_dup2+0x329/0x580 [ 228.194930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.200466] ? userfaultfd_read+0x2c0/0x2c0 [ 228.204784] do_vfs_ioctl+0x1de/0x1790 [ 228.208666] ? do_vfs_ioctl+0x1de/0x1790 [ 228.212723] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 228.217917] ? ioctl_preallocate+0x300/0x300 [ 228.222329] ? selinux_file_mprotect+0x620/0x620 [ 228.227088] ? ksys_dup3+0x3f9/0x680 [ 228.230801] ? __x64_sys_futex+0x47f/0x6a0 [ 228.235034] ? do_syscall_64+0x9a/0x820 [ 228.239005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.244537] ? security_file_ioctl+0x94/0xc0 [ 228.248944] ksys_ioctl+0xa9/0xd0 [ 228.252394] __x64_sys_ioctl+0x73/0xb0 [ 228.256284] do_syscall_64+0x1b9/0x820 [ 228.260164] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.265572] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.270505] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.275520] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.280536] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 228.287230] ? __switch_to_asm+0x40/0x70 [ 228.291291] ? __switch_to_asm+0x34/0x70 [ 228.295353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.300196] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.305382] RIP: 0033:0x44c7e9 [ 228.308572] Code: 5d c5 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 2b c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 228.327479] RSP: 002b:00007f906b69fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 228.335183] RAX: ffffffffffffffda RBX: 00000000006e4a08 RCX: 000000000044c7e9 [ 228.342453] RDX: 0000000020000100 RSI: 00000000c028aa03 RDI: 0000000000000004 [ 228.349714] RBP: 00000000006e4a00 R08: 0000000000000000 R09: 0000000000000000 [ 228.356980] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e4a0c [ 228.364262] R13: 00007ffdfd47813f R14: 00007f906b6a09c0 R15: 000000000000002d [ 228.372515] Kernel Offset: disabled [ 228.376144] Rebooting in 86400 seconds..