[ 27.694580] audit: type=1800 audit(1544564256.123:21): pid=5941 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 27.732844] audit: type=1800 audit(1544564256.133:22): pid=5941 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 32.240158] sshd (6103) used greatest stack depth: 15600 bytes left Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. 2018/12/11 21:40:12 parsed 1 programs 2018/12/11 21:40:14 executed programs: 0 [ 185.688711] IPVS: ftp: loaded support on port[0] = 21 [ 185.703110] IPVS: ftp: loaded support on port[0] = 21 [ 185.713800] IPVS: ftp: loaded support on port[0] = 21 [ 185.714697] IPVS: ftp: loaded support on port[0] = 21 [ 185.722150] IPVS: ftp: loaded support on port[0] = 21 [ 185.729722] IPVS: ftp: loaded support on port[0] = 21 [ 186.543387] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.552331] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.559674] device bridge_slave_0 entered promiscuous mode [ 186.593368] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.604515] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.612058] device bridge_slave_1 entered promiscuous mode [ 186.620095] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.627690] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.634612] device bridge_slave_0 entered promiscuous mode [ 186.648693] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.655029] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.662501] device bridge_slave_0 entered promiscuous mode [ 186.669951] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.676743] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.683727] device bridge_slave_0 entered promiscuous mode [ 186.693151] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.701671] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.713788] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.721853] device bridge_slave_0 entered promiscuous mode [ 186.731077] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.738430] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.746385] device bridge_slave_1 entered promiscuous mode [ 186.755475] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.762491] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.770292] device bridge_slave_1 entered promiscuous mode [ 186.779186] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 186.789711] bridge0: port 1(bridge_slave_0) entered blocking state [ 186.797045] bridge0: port 1(bridge_slave_0) entered disabled state [ 186.804454] device bridge_slave_0 entered promiscuous mode [ 186.813550] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.822271] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.830879] device bridge_slave_1 entered promiscuous mode [ 186.838088] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.844442] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.854281] device bridge_slave_1 entered promiscuous mode [ 186.874719] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.890921] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.904006] bridge0: port 2(bridge_slave_1) entered blocking state [ 186.912419] bridge0: port 2(bridge_slave_1) entered disabled state [ 186.928555] device bridge_slave_1 entered promiscuous mode [ 186.936926] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.958312] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 186.966135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.973330] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 186.995280] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 187.011650] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 187.033497] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.052309] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 187.078866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 187.098408] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.209368] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.253603] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.265200] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.276346] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.284389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.298599] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.309950] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.319470] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.337104] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.368866] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 187.385192] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 187.396925] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.404552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 187.427323] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 187.435756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 187.460209] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 187.471937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 187.481821] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.498632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.509589] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.525250] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 187.536418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.546889] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 187.554745] team0: Port device team_slave_0 added [ 187.577261] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 187.584459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 187.602682] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.612173] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 187.630388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.638538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 187.651531] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 187.665945] team0: Port device team_slave_1 added [ 187.682847] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.724686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.750117] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 187.765007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 187.776865] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 187.784456] team0: Port device team_slave_0 added [ 187.812275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 187.831152] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 187.839532] team0: Port device team_slave_0 added [ 187.854538] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 187.866997] team0: Port device team_slave_1 added [ 187.878391] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 187.886449] team0: Port device team_slave_0 added [ 187.914782] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 187.930531] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 187.942828] team0: Port device team_slave_1 added [ 187.967021] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 187.986578] team0: Port device team_slave_1 added [ 187.994965] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 188.003156] team0: Port device team_slave_0 added [ 188.010437] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 188.022669] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.041077] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 188.056845] team0: Port device team_slave_0 added [ 188.062912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.074563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.084203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 188.093541] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 188.107447] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 188.115286] team0: Port device team_slave_1 added [ 188.127451] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.137058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 188.150220] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.166291] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.175365] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.189008] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 188.202194] team0: Port device team_slave_1 added [ 188.217563] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.233662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 188.243308] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 188.251808] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 188.260515] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 188.269533] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.279744] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 188.287555] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.295404] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.305133] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 188.316399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 188.326486] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 188.341075] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.349084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.359651] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 188.369004] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.380215] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 188.391561] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.408546] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 188.420217] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 188.431758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.440107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.448145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 188.456077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 188.463490] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.471327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 188.487984] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.498310] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 188.506183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.514417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.525867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 188.540146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 188.557871] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.565235] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.579417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 188.596687] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.604647] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 188.623191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.633355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 188.641791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 188.650145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 189.162844] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.169417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.176520] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.182897] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.198009] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 189.281091] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 189.351262] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.357687] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.364347] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.370766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.379609] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 189.390390] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.396807] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.403470] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.409906] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.417998] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 189.427284] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.433651] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.440346] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.446764] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.455130] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 189.467726] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.474098] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.480807] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.487220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.498899] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 189.512240] bridge0: port 2(bridge_slave_1) entered blocking state [ 189.518642] bridge0: port 2(bridge_slave_1) entered forwarding state [ 189.525304] bridge0: port 1(bridge_slave_0) entered blocking state [ 189.531740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 189.542594] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 190.288847] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 190.313400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 190.324917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 190.332769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 190.341023] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 191.977814] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.234781] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.285843] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.294376] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.343008] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.361368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.447506] 8021q: adding VLAN 0 to HW filter on device bond0 [ 192.517218] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 192.524213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.536965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 192.559221] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.593497] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.619957] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.638132] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.723669] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 192.810965] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 192.821757] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.833048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 192.853606] 8021q: adding VLAN 0 to HW filter on device team0 [ 192.873231] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 192.885742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.895082] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 192.921533] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 192.932088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.940841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 192.953972] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 192.969612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 192.991448] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 193.059433] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 193.066742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 193.073837] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 193.092632] 8021q: adding VLAN 0 to HW filter on device team0 [ 193.223296] 8021q: adding VLAN 0 to HW filter on device team0 [ 193.236170] 8021q: adding VLAN 0 to HW filter on device team0 [ 193.249536] 8021q: adding VLAN 0 to HW filter on device team0 [ 193.273506] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 21:40:23 executed programs: 6 2018/12/11 21:40:28 executed programs: 375 2018/12/11 21:40:33 executed programs: 753 2018/12/11 21:40:38 executed programs: 1131 2018/12/11 21:40:43 executed programs: 1501 2018/12/11 21:40:48 executed programs: 1870 2018/12/11 21:40:53 executed programs: 2213 2018/12/11 21:40:58 executed programs: 2569 2018/12/11 21:41:03 executed programs: 2903 2018/12/11 21:41:08 executed programs: 3260 2018/12/11 21:41:13 executed programs: 3598 2018/12/11 21:41:18 executed programs: 3913 2018/12/11 21:41:23 executed programs: 4224 2018/12/11 21:41:28 executed programs: 4524 [ 260.514185] ================================================================== [ 260.521869] BUG: KASAN: use-after-free in __list_del_entry_valid+0xf1/0x100 [ 260.528995] Read of size 8 at addr ffff8881d0d9d4b0 by task kworker/1:1/22 [ 260.536032] [ 260.537677] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.20.0-rc6-next-20181210+ #164 [ 260.545823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.555234] Workqueue: events_power_efficient neigh_periodic_work [ 260.561504] Call Trace: [ 260.564165] dump_stack+0x244/0x39d [ 260.567810] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.573079] ? printk+0xa7/0xcf [ 260.576373] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 260.581189] print_address_description.cold.4+0x9/0x1ff [ 260.586574] ? __list_del_entry_valid+0xf1/0x100 [ 260.591339] kasan_report.cold.5+0x1b/0x39 [ 260.595586] ? __list_del_entry_valid+0xf1/0x100 [ 260.600358] ? refcount_sub_and_test_checked+0x180/0x310 [ 260.605822] ? __list_del_entry_valid+0xf1/0x100 [ 260.610589] __asan_report_load8_noabort+0x14/0x20 [ 260.615536] __list_del_entry_valid+0xf1/0x100 [ 260.620138] neigh_mark_dead+0x13b/0x410 [ 260.624217] ? neigh_change_state+0x680/0x680 [ 260.628773] ? kasan_check_write+0x14/0x20 [ 260.633105] ? do_raw_write_lock+0x14f/0x310 [ 260.637534] ? do_raw_read_unlock+0x70/0x70 [ 260.641905] ? __lock_is_held+0xb5/0x140 [ 260.645991] neigh_periodic_work+0x89a/0xc30 [ 260.650448] ? neigh_table_clear+0x390/0x390 [ 260.654928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.660497] ? check_preemption_disabled+0x48/0x280 [ 260.665548] ? __lock_is_held+0xb5/0x140 [ 260.669686] process_one_work+0xc90/0x1c40 [ 260.673941] ? mark_held_locks+0x130/0x130 [ 260.678201] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 260.682930] ? __switch_to_asm+0x34/0x70 [ 260.687019] ? __switch_to_asm+0x34/0x70 [ 260.691094] ? __switch_to_asm+0x40/0x70 [ 260.695423] ? __switch_to_asm+0x34/0x70 [ 260.695450] ? __switch_to_asm+0x40/0x70 [ 260.695462] ? __switch_to_asm+0x34/0x70 [ 260.695476] ? __switch_to_asm+0x34/0x70 [ 260.707752] ? __switch_to_asm+0x40/0x70 [ 260.707765] ? __switch_to_asm+0x34/0x70 [ 260.707778] ? __switch_to_asm+0x40/0x70 [ 260.707791] ? __switch_to_asm+0x34/0x70 [ 260.707804] ? __switch_to_asm+0x40/0x70 [ 260.707816] ? __switch_to_asm+0x34/0x70 [ 260.707862] ? __sched_text_start+0x8/0x8 [ 260.720019] ? graph_lock+0x270/0x270 [ 260.728134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.728156] ? find_held_lock+0x36/0x1c0 [ 260.728182] ? lock_acquire+0x1ed/0x520 [ 260.736281] ? worker_thread+0x3e0/0x1390 [ 260.736306] ? kasan_check_write+0x14/0x20 [ 260.736322] ? do_raw_spin_lock+0x14f/0x350 [ 260.736335] ? __schedule+0x21e0/0x21e0 [ 260.736355] ? rwlock_bug.part.2+0x90/0x90 [ 260.744362] ? trace_hardirqs_on+0x310/0x310 [ 260.744391] worker_thread+0x17f/0x1390 [ 260.753043] ? preempt_notifier_register+0x200/0x200 [ 260.753071] ? process_one_work+0x1c40/0x1c40 [ 260.761188] ? __schedule+0xa49/0x21e0 [ 260.761204] ? kmem_cache_alloc_trace+0x154/0x740 [ 260.761227] ? __sched_text_start+0x8/0x8 [ 260.769782] ? __kthread_parkme+0xce/0x1a0 [ 260.769800] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.777981] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.778008] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 260.778027] ? trace_hardirqs_on+0xbd/0x310 [ 260.778042] ? kasan_check_read+0x11/0x20 [ 260.778060] ? __kthread_parkme+0xce/0x1a0 [ 260.786420] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.786439] ? __schedule+0x21e0/0x21e0 [ 260.786462] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.786479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.786498] ? __kthread_parkme+0xfb/0x1a0 [ 260.796080] ? process_one_work+0x1c40/0x1c40 [ 260.796096] kthread+0x35a/0x440 [ 260.796113] ? kthread_stop+0x900/0x900 [ 260.796129] ret_from_fork+0x3a/0x50 [ 260.796151] [ 260.804904] Allocated by task 12: [ 260.813238] save_stack+0x43/0xd0 [ 260.813253] kasan_kmalloc+0xcb/0xd0 [ 260.813265] __kmalloc+0x15d/0x760 [ 260.813285] ___neigh_create+0x13fc/0x2600 [ 260.823467] __neigh_create+0x30/0x40 [ 260.823517] ip6_finish_output2+0xa64/0x2940 [ 260.823543] ip6_finish_output+0x58c/0xc60 [ 260.832428] ip6_output+0x232/0x9d0 [ 260.832471] ndisc_send_skb+0x1005/0x1560 [ 260.832488] ndisc_send_ns+0x3c6/0x8e0 [ 260.840850] addrconf_dad_work+0xbf2/0x1310 [ 260.840863] process_one_work+0xc90/0x1c40 [ 260.840874] worker_thread+0x17f/0x1390 [ 260.840892] kthread+0x35a/0x440 [ 260.849961] ret_from_fork+0x3a/0x50 [ 260.849966] [ 260.849972] Freed by task 16: [ 260.849987] save_stack+0x43/0xd0 [ 260.850015] __kasan_slab_free+0x102/0x150 [ 260.864864] kasan_slab_free+0xe/0x10 [ 260.872703] kfree+0xcf/0x230 [ 260.872754] rcu_process_callbacks+0xd91/0x15f0 [ 260.872772] __do_softirq+0x308/0xb7e [ 260.971707] [ 260.973342] The buggy address belongs to the object at ffff8881d0d9d240 [ 260.973342] which belongs to the cache kmalloc-1k of size 1024 [ 260.986022] The buggy address is located 624 bytes inside of [ 260.986022] 1024-byte region [ffff8881d0d9d240, ffff8881d0d9d640) [ 260.997990] The buggy address belongs to the page: [ 260.998015] page:ffffea0007436700 count:1 mapcount:0 mapping:ffff8881da800ac0 index:0x0 compound_mapcount: 0 [ 260.998031] flags: 0x2fffc0000010200(slab|head) [ 260.998052] raw: 02fffc0000010200 ffffea00074a0208 ffffea0006c88808 ffff8881da800ac0 [ 261.012945] raw: 0000000000000000 ffff8881d0d9c040 0000000100000007 0000000000000000 [ 261.012951] page dumped because: kasan: bad access detected [ 261.012955] [ 261.012960] Memory state around the buggy address: [ 261.012972] ffff8881d0d9d380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 261.012983] ffff8881d0d9d400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 261.013007] >ffff8881d0d9d480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 261.067704] ^ [ 261.072637] ffff8881d0d9d500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 261.080022] ffff8881d0d9d580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 261.087376] ================================================================== [ 261.094711] Disabling lock debugging due to kernel taint [ 261.100207] Kernel panic - not syncing: panic_on_warn set ... [ 261.102543] kobject: 'loop2' (00000000b62b7a41): kobject_uevent_env [ 261.106097] CPU: 1 PID: 22 Comm: kworker/1:1 Tainted: G B 4.20.0-rc6-next-20181210+ #164 [ 261.106105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.106125] Workqueue: events_power_efficient neigh_periodic_work [ 261.106132] Call Trace: [ 261.106151] dump_stack+0x244/0x39d [ 261.106169] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.106190] ? __list_del_entry_valid+0x10/0x100 [ 261.106255] panic+0x2ad/0x632 [ 261.106274] ? add_taint.cold.5+0x16/0x16 [ 261.126823] kobject: 'loop2' (00000000b62b7a41): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 261.131554] ? trace_hardirqs_on+0xb4/0x310 [ 261.131573] ? __list_del_entry_valid+0xf1/0x100 [ 261.131591] end_report+0x47/0x4f [ 261.183245] kasan_report.cold.5+0xe/0x39 [ 261.187398] ? __list_del_entry_valid+0xf1/0x100 [ 261.192159] ? refcount_sub_and_test_checked+0x180/0x310 [ 261.197610] ? __list_del_entry_valid+0xf1/0x100 [ 261.202371] __asan_report_load8_noabort+0x14/0x20 [ 261.207299] __list_del_entry_valid+0xf1/0x100 [ 261.211886] neigh_mark_dead+0x13b/0x410 [ 261.215951] ? neigh_change_state+0x680/0x680 [ 261.220448] ? kasan_check_write+0x14/0x20 [ 261.224683] ? do_raw_write_lock+0x14f/0x310 [ 261.229089] ? do_raw_read_unlock+0x70/0x70 [ 261.233426] ? __lock_is_held+0xb5/0x140 [ 261.237492] neigh_periodic_work+0x89a/0xc30 [ 261.241913] ? neigh_table_clear+0x390/0x390 [ 261.246850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.252392] ? check_preemption_disabled+0x48/0x280 [ 261.257415] ? __lock_is_held+0xb5/0x140 [ 261.261480] process_one_work+0xc90/0x1c40 [ 261.265713] ? mark_held_locks+0x130/0x130 [ 261.269952] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 261.274619] ? __switch_to_asm+0x34/0x70 [ 261.278681] ? __switch_to_asm+0x34/0x70 [ 261.282740] ? __switch_to_asm+0x40/0x70 [ 261.286801] ? __switch_to_asm+0x34/0x70 [ 261.290861] ? __switch_to_asm+0x40/0x70 [ 261.294917] ? __switch_to_asm+0x34/0x70 [ 261.298973] ? __switch_to_asm+0x34/0x70 [ 261.303041] ? __switch_to_asm+0x40/0x70 [ 261.307098] ? __switch_to_asm+0x34/0x70 [ 261.311155] ? __switch_to_asm+0x40/0x70 [ 261.315210] ? __switch_to_asm+0x34/0x70 [ 261.319267] ? __switch_to_asm+0x40/0x70 [ 261.323326] ? __switch_to_asm+0x34/0x70 [ 261.327395] ? __sched_text_start+0x8/0x8 [ 261.331630] ? graph_lock+0x270/0x270 [ 261.335435] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.340027] ? find_held_lock+0x36/0x1c0 [ 261.344094] ? lock_acquire+0x1ed/0x520 [ 261.348071] ? worker_thread+0x3e0/0x1390 [ 261.352226] ? kasan_check_write+0x14/0x20 [ 261.356459] ? do_raw_spin_lock+0x14f/0x350 [ 261.360778] ? __schedule+0x21e0/0x21e0 [ 261.364753] ? rwlock_bug.part.2+0x90/0x90 [ 261.368988] ? trace_hardirqs_on+0x310/0x310 [ 261.373413] worker_thread+0x17f/0x1390 [ 261.377387] ? preempt_notifier_register+0x200/0x200 [ 261.382498] ? process_one_work+0x1c40/0x1c40 [ 261.386996] ? __schedule+0xa49/0x21e0 [ 261.390912] ? kmem_cache_alloc_trace+0x154/0x740 [ 261.395762] ? __sched_text_start+0x8/0x8 [ 261.399921] ? __kthread_parkme+0xce/0x1a0 [ 261.404154] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.409254] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.414360] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.418942] ? trace_hardirqs_on+0xbd/0x310 [ 261.423264] ? kasan_check_read+0x11/0x20 [ 261.427414] ? __kthread_parkme+0xce/0x1a0 [ 261.431650] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.436755] ? __schedule+0x21e0/0x21e0 [ 261.440734] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.445841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.451381] ? __kthread_parkme+0xfb/0x1a0 [ 261.455614] ? process_one_work+0x1c40/0x1c40 [ 261.460109] kthread+0x35a/0x440 [ 261.463476] ? kthread_stop+0x900/0x900 [ 261.467448] ret_from_fork+0x3a/0x50 [ 261.472091] Kernel Offset: disabled [ 261.475712] Rebooting in 86400 seconds..