[info] Using makefile-style concurrent boot in runlevel 2. [ 24.119208] audit: type=1800 audit(1538093885.434:21): pid=5181 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 24.149500] audit: type=1800 audit(1538093885.434:22): pid=5181 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. 2018/09/28 00:18:38 parsed 1 programs 2018/09/28 00:18:40 executed programs: 0 syzkaller login: [ 59.683471] IPVS: ftp: loaded support on port[0] = 21 [ 59.698546] IPVS: ftp: loaded support on port[0] = 21 [ 59.698971] IPVS: ftp: loaded support on port[0] = 21 [ 59.706107] IPVS: ftp: loaded support on port[0] = 21 [ 59.733638] IPVS: ftp: loaded support on port[0] = 21 [ 59.750719] IPVS: ftp: loaded support on port[0] = 21 [ 60.983003] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.989744] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.009164] device bridge_slave_0 entered promiscuous mode [ 61.051688] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.058052] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.083205] device bridge_slave_0 entered promiscuous mode [ 61.093353] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.099769] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.111232] device bridge_slave_1 entered promiscuous mode [ 61.119976] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.128802] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.142625] device bridge_slave_0 entered promiscuous mode [ 61.167481] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.181247] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.188661] device bridge_slave_1 entered promiscuous mode [ 61.197997] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.206124] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.220087] device bridge_slave_0 entered promiscuous mode [ 61.228111] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.251099] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.258290] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.265771] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.286428] device bridge_slave_1 entered promiscuous mode [ 61.295630] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.302187] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.309498] device bridge_slave_0 entered promiscuous mode [ 61.318499] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.328292] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.344486] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.352879] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.361856] device bridge_slave_1 entered promiscuous mode [ 61.380488] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.386843] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.398758] device bridge_slave_0 entered promiscuous mode [ 61.406785] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.420141] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.426823] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.441287] device bridge_slave_1 entered promiscuous mode [ 61.471810] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.479036] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.491276] device bridge_slave_1 entered promiscuous mode [ 61.498505] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.508938] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.541779] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.556953] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.567885] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.583442] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.600619] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.621996] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.655654] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.676430] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.696391] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.779543] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.801750] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.812352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.824046] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.836313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.846755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.865765] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.872927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.894468] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.924430] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.937237] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.958586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.968349] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.998371] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 62.034645] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 62.096247] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 62.132795] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.141519] team0: Port device team_slave_0 added [ 62.164064] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.176714] team0: Port device team_slave_0 added [ 62.205787] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.221161] team0: Port device team_slave_1 added [ 62.275223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.316849] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.329441] team0: Port device team_slave_1 added [ 62.358070] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.368105] team0: Port device team_slave_0 added [ 62.380542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.391811] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.399966] team0: Port device team_slave_0 added [ 62.409491] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.445189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.472995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.481200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.490759] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.498176] team0: Port device team_slave_1 added [ 62.507603] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.515274] team0: Port device team_slave_0 added [ 62.523851] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.536527] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.548173] team0: Port device team_slave_1 added [ 62.554964] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.568020] team0: Port device team_slave_0 added [ 62.579962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.590914] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.598987] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.619794] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.629967] team0: Port device team_slave_1 added [ 62.636104] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.652116] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.659475] team0: Port device team_slave_1 added [ 62.665008] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.674599] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.684065] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.697314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.707336] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.725736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.734508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.742712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.750696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.761038] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.774248] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.783993] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.794383] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.812110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.819727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.829054] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.837412] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.845552] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.853849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.862855] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.878719] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.892904] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.900341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.908258] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.922548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.936402] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.947068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.955346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.963288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.971046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.989657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.002514] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.012943] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.020452] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.036106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.059046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.067241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.075373] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.083441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.092561] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.100509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.108363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.128605] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.140833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.153493] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.168306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.187377] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.196124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.227557] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.242356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.272771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.607635] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.614187] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.621115] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.627483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.635647] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.650287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.784464] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.790994] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.797660] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.804084] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.812501] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.882446] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.888948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.895683] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.902100] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.911492] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.922658] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.929023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.935720] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.943376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.957173] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.013782] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.020221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.026882] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.033314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.042464] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.088753] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.095170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.101939] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.108311] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.124641] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.739936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.748653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.769148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.779100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.786491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.357205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.632438] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.659622] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.698216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.723716] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.847528] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.868493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.886405] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.953137] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.970101] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.981699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.991408] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.012916] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.075258] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.141686] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.151254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.162877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.195757] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.231231] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.252932] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.259083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.268997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.343765] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.353248] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.359482] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.376039] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.397336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.404693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.477479] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.492418] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 67.500545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.507591] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.542177] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.641519] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.657409] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.780609] 8021q: adding VLAN 0 to HW filter on device team0 2018/09/28 00:18:50 executed programs: 6 [ 68.814753] hrtimer: interrupt took 27917 ns 2018/09/28 00:18:55 executed programs: 193 2018/09/28 00:19:00 executed programs: 409 2018/09/28 00:19:05 executed programs: 625 2018/09/28 00:19:10 executed programs: 835 2018/09/28 00:19:15 executed programs: 1046 2018/09/28 00:19:20 executed programs: 1263 [ 101.912613] ================================================================== [ 101.920049] BUG: KASAN: use-after-free in __lock_acquire+0x37c2/0x4ec0 [ 101.926722] Read of size 8 at addr ffff8801a7caee90 by task syz-executor4/13225 [ 101.926726] [ 101.926740] CPU: 0 PID: 13225 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #257 [ 101.926748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.926752] Call Trace: [ 101.926771] dump_stack+0x1c4/0x2b4 [ 101.926790] ? dump_stack_print_info.cold.2+0x52/0x52 [ 101.926804] ? printk+0xa7/0xcf [ 101.926819] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 101.943376] print_address_description.cold.8+0x9/0x1ff [ 101.943392] kasan_report.cold.9+0x242/0x309 [ 101.943406] ? __lock_acquire+0x37c2/0x4ec0 [ 101.943421] __asan_report_load8_noabort+0x14/0x20 [ 101.943434] __lock_acquire+0x37c2/0x4ec0 [ 101.943451] ? __free_pages+0x149/0x190 [ 101.943468] ? free_unref_page+0x960/0x960 [ 102.003479] ? mark_held_locks+0x130/0x130 [ 102.007702] ? kasan_check_write+0x14/0x20 [ 102.011954] ? finish_task_switch+0x616/0x900 [ 102.016456] ? __switch_to_asm+0x40/0x70 [ 102.020526] ? preempt_notifier_register+0x200/0x200 [ 102.025639] ? __switch_to_asm+0x34/0x70 [ 102.025664] ? __switch_to_asm+0x34/0x70 [ 102.033780] ? __switch_to_asm+0x40/0x70 [ 102.033794] ? __switch_to_asm+0x34/0x70 [ 102.033807] ? __switch_to_asm+0x40/0x70 [ 102.033820] ? __switch_to_asm+0x34/0x70 [ 102.033833] ? __switch_to_asm+0x40/0x70 [ 102.033847] ? __switch_to_asm+0x34/0x70 [ 102.033861] ? __switch_to_asm+0x34/0x70 [ 102.033874] ? __switch_to_asm+0x40/0x70 [ 102.033887] ? __switch_to_asm+0x34/0x70 [ 102.033910] ? __switch_to_asm+0x40/0x70 [ 102.033928] ? __switch_to_asm+0x34/0x70 [ 102.078485] ? __switch_to_asm+0x40/0x70 [ 102.082553] ? __schedule+0x874/0x1ed0 [ 102.086445] ? print_usage_bug+0xc0/0xc0 [ 102.086458] ? graph_lock+0x170/0x170 [ 102.086474] ? __sched_text_start+0x8/0x8 [ 102.086488] ? mark_held_locks+0xc7/0x130 [ 102.086505] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 102.086523] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 102.094410] ? mark_held_locks+0xc7/0x130 [ 102.094427] lock_acquire+0x1ed/0x520 [ 102.094443] ? vhost_transport_send_pkt+0x12e/0x380 [ 102.094462] ? lock_release+0x970/0x970 [ 102.128957] ? preempt_schedule+0x4d/0x60 [ 102.133094] ? ___preempt_schedule+0x16/0x18 [ 102.137500] ? __local_bh_enable_ip+0x1a3/0x260 [ 102.142180] _raw_spin_lock_bh+0x31/0x40 [ 102.146250] ? vhost_transport_send_pkt+0x12e/0x380 [ 102.146268] vhost_transport_send_pkt+0x12e/0x380 [ 102.156121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.156137] ? vhost_vsock_dev_open+0x5a0/0x5a0 [ 102.156153] ? virtio_transport_send_pkt_info+0x2e7/0x460 [ 102.156172] ? __local_bh_enable_ip+0x160/0x260 [ 102.176536] virtio_transport_send_pkt_info+0x31d/0x460 [ 102.181916] virtio_transport_connect+0x17c/0x220 [ 102.186775] ? virtio_transport_send_pkt_info+0x460/0x460 [ 102.192324] ? vsock_auto_bind+0xa9/0xe0 [ 102.196396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 102.201945] vsock_stream_connect+0x4ed/0xe40 [ 102.206450] ? vsock_dgram_connect+0x500/0x500 [ 102.211042] ? finish_wait+0x430/0x430 [ 102.214949] ? aa_af_perm+0x5a0/0x5a0 [ 102.218762] ? apparmor_socket_connect+0xb6/0x160 [ 102.223615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.229148] ? security_socket_connect+0x94/0xc0 [ 102.233911] __sys_connect+0x37d/0x4c0 [ 102.237817] ? __ia32_sys_accept+0xb0/0xb0 [ 102.242057] ? kasan_check_read+0x11/0x20 [ 102.246211] ? _copy_to_user+0xc8/0x110 [ 102.246228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 102.246242] ? put_timespec64+0x10f/0x1b0 [ 102.246262] ? do_syscall_64+0x9a/0x820 [ 102.255761] ? do_syscall_64+0x9a/0x820 [ 102.255777] ? lockdep_hardirqs_on+0x421/0x5c0 [ 102.255791] ? trace_hardirqs_on+0xbd/0x310 [ 102.255805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.255826] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.287669] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 102.293123] __x64_sys_connect+0x73/0xb0 [ 102.297204] do_syscall_64+0x1b9/0x820 [ 102.301106] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 102.306474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 102.306491] ? trace_hardirqs_on_caller+0x310/0x310 [ 102.306539] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 102.316476] ? recalc_sigpending_tsk+0x180/0x180 [ 102.316490] ? kasan_check_write+0x14/0x20 [ 102.316508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 102.316528] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.316544] RIP: 0033:0x457579 [ 102.344205] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.363112] RSP: 002b:00007fd3e46a6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 102.370822] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 102.370831] RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000008 [ 102.370839] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 102.370846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3e46a76d4 [ 102.370854] R13: 00000000004bdb1a R14: 00000000004cc658 R15: 00000000ffffffff [ 102.370867] [ 102.370874] Allocated by task 13217: [ 102.370889] save_stack+0x43/0xd0 [ 102.370917] kasan_kmalloc+0xc7/0xe0 [ 102.385456] __kmalloc_node+0x47/0x70 [ 102.385471] kvmalloc_node+0xb9/0xf0 [ 102.385491] vhost_vsock_dev_open+0xa2/0x5a0 [ 102.432288] misc_open+0x3ca/0x560 [ 102.435813] chrdev_open+0x25a/0x710 [ 102.439508] do_dentry_open+0x499/0x1250 [ 102.443550] vfs_open+0xa0/0xd0 [ 102.446811] path_openat+0x12bf/0x5160 [ 102.450677] do_filp_open+0x255/0x380 [ 102.454469] do_sys_open+0x568/0x700 [ 102.458173] __x64_sys_openat+0x9d/0x100 [ 102.462225] do_syscall_64+0x1b9/0x820 [ 102.466110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.471273] [ 102.472879] Freed by task 13214: [ 102.476233] save_stack+0x43/0xd0 [ 102.479664] __kasan_slab_free+0x102/0x150 [ 102.483879] kasan_slab_free+0xe/0x10 [ 102.487670] kfree+0xcf/0x230 [ 102.490759] kvfree+0x61/0x70 [ 102.493848] vhost_vsock_dev_release+0x4f4/0x720 [ 102.498586] __fput+0x385/0xa30 [ 102.501845] ____fput+0x15/0x20 [ 102.505110] task_work_run+0x1e8/0x2a0 [ 102.508982] exit_to_usermode_loop+0x318/0x380 [ 102.513547] do_syscall_64+0x6be/0x820 [ 102.517420] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.522590] [ 102.524203] The buggy address belongs to the object at ffff8801a7ca6180 [ 102.524203] which belongs to the cache kmalloc-65536 of size 65536 [ 102.537187] The buggy address is located 36112 bytes inside of [ 102.537187] 65536-byte region [ffff8801a7ca6180, ffff8801a7cb6180) [ 102.549418] The buggy address belongs to the page: [ 102.554332] page:ffffea00069f2800 count:1 mapcount:0 mapping:ffff8801da802500 index:0x0 compound_mapcount: 0 [ 102.564291] flags: 0x2fffc0000008100(slab|head) [ 102.568948] raw: 02fffc0000008100 ffffea00069f2008 ffffea00069f7008 ffff8801da802500 [ 102.576810] raw: 0000000000000000 ffff8801a7ca6180 0000000100000001 0000000000000000 [ 102.584666] page dumped because: kasan: bad access detected [ 102.590354] [ 102.591961] Memory state around the buggy address: [ 102.596871] ffff8801a7caed80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.604225] ffff8801a7caee00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.611564] >ffff8801a7caee80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.618905] ^ [ 102.622773] ffff8801a7caef00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.630110] ffff8801a7caef80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 102.637448] ================================================================== [ 102.644782] Disabling lock debugging due to kernel taint [ 102.650210] Kernel panic - not syncing: panic_on_warn set ... [ 102.650210] [ 102.657557] CPU: 0 PID: 13225 Comm: syz-executor4 Tainted: G B 4.19.0-rc5+ #257 [ 102.666288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.675620] Call Trace: [ 102.678198] dump_stack+0x1c4/0x2b4 [ 102.681809] ? dump_stack_print_info.cold.2+0x52/0x52 [ 102.686985] ? lock_downgrade+0x900/0x900 [ 102.691117] panic+0x238/0x4e7 [ 102.694291] ? add_taint.cold.5+0x16/0x16 [ 102.698420] ? add_taint.cold.5+0x5/0x16 [ 102.702466] ? trace_hardirqs_off+0xaf/0x310 [ 102.706860] kasan_end_report+0x47/0x4f [ 102.710815] kasan_report.cold.9+0x76/0x309 [ 102.715119] ? __lock_acquire+0x37c2/0x4ec0 [ 102.719421] __asan_report_load8_noabort+0x14/0x20 [ 102.724337] __lock_acquire+0x37c2/0x4ec0 [ 102.728471] ? __free_pages+0x149/0x190 [ 102.732427] ? free_unref_page+0x960/0x960 [ 102.736646] ? mark_held_locks+0x130/0x130 [ 102.740880] ? kasan_check_write+0x14/0x20 [ 102.745118] ? finish_task_switch+0x616/0x900 [ 102.749611] ? __switch_to_asm+0x40/0x70 [ 102.753672] ? preempt_notifier_register+0x200/0x200 [ 102.758758] ? __switch_to_asm+0x34/0x70 [ 102.762799] ? __switch_to_asm+0x34/0x70 [ 102.766841] ? __switch_to_asm+0x40/0x70 [ 102.770884] ? __switch_to_asm+0x34/0x70 [ 102.774939] ? __switch_to_asm+0x40/0x70 [ 102.778983] ? __switch_to_asm+0x34/0x70 [ 102.783026] ? __switch_to_asm+0x40/0x70 [ 102.787069] ? __switch_to_asm+0x34/0x70 [ 102.791130] ? __switch_to_asm+0x34/0x70 [ 102.795172] ? __switch_to_asm+0x40/0x70 [ 102.799230] ? __switch_to_asm+0x34/0x70 [ 102.803275] ? __switch_to_asm+0x40/0x70 [ 102.807320] ? __switch_to_asm+0x34/0x70 [ 102.811380] ? __switch_to_asm+0x40/0x70 [ 102.815423] ? __schedule+0x874/0x1ed0 [ 102.819300] ? print_usage_bug+0xc0/0xc0 [ 102.823340] ? graph_lock+0x170/0x170 [ 102.827122] ? __sched_text_start+0x8/0x8 [ 102.831252] ? mark_held_locks+0xc7/0x130 [ 102.835385] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 102.840124] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 102.844695] ? mark_held_locks+0xc7/0x130 [ 102.848827] lock_acquire+0x1ed/0x520 [ 102.852615] ? vhost_transport_send_pkt+0x12e/0x380 [ 102.857613] ? lock_release+0x970/0x970 [ 102.861586] ? preempt_schedule+0x4d/0x60 [ 102.865720] ? ___preempt_schedule+0x16/0x18 [ 102.870113] ? __local_bh_enable_ip+0x1a3/0x260 [ 102.874767] _raw_spin_lock_bh+0x31/0x40 [ 102.878811] ? vhost_transport_send_pkt+0x12e/0x380 [ 102.883809] vhost_transport_send_pkt+0x12e/0x380 [ 102.888637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.894157] ? vhost_vsock_dev_open+0x5a0/0x5a0 [ 102.898808] ? virtio_transport_send_pkt_info+0x2e7/0x460 [ 102.904332] ? __local_bh_enable_ip+0x160/0x260 [ 102.908986] virtio_transport_send_pkt_info+0x31d/0x460 [ 102.914340] virtio_transport_connect+0x17c/0x220 [ 102.919179] ? virtio_transport_send_pkt_info+0x460/0x460 [ 102.924695] ? vsock_auto_bind+0xa9/0xe0 [ 102.928742] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 102.934263] vsock_stream_connect+0x4ed/0xe40 [ 102.938739] ? vsock_dgram_connect+0x500/0x500 [ 102.943305] ? finish_wait+0x430/0x430 [ 102.947179] ? aa_af_perm+0x5a0/0x5a0 [ 102.950964] ? apparmor_socket_connect+0xb6/0x160 [ 102.955789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.961306] ? security_socket_connect+0x94/0xc0 [ 102.966056] __sys_connect+0x37d/0x4c0 [ 102.969947] ? __ia32_sys_accept+0xb0/0xb0 [ 102.974166] ? kasan_check_read+0x11/0x20 [ 102.978297] ? _copy_to_user+0xc8/0x110 [ 102.982257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 102.987776] ? put_timespec64+0x10f/0x1b0 [ 102.991916] ? do_syscall_64+0x9a/0x820 [ 102.995878] ? do_syscall_64+0x9a/0x820 [ 102.999846] ? lockdep_hardirqs_on+0x421/0x5c0 [ 103.004413] ? trace_hardirqs_on+0xbd/0x310 [ 103.008740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.014271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.019639] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 103.025079] __x64_sys_connect+0x73/0xb0 [ 103.029126] do_syscall_64+0x1b9/0x820 [ 103.032998] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 103.038346] ? syscall_return_slowpath+0x5e0/0x5e0 [ 103.043260] ? trace_hardirqs_on_caller+0x310/0x310 [ 103.048260] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 103.053260] ? recalc_sigpending_tsk+0x180/0x180 [ 103.057999] ? kasan_check_write+0x14/0x20 [ 103.062220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 103.067049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.072220] RIP: 0033:0x457579 [ 103.075397] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.094289] RSP: 002b:00007fd3e46a6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 103.102003] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 [ 103.109255] RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000008 [ 103.116524] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 103.123792] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3e46a76d4 [ 103.131049] R13: 00000000004bdb1a R14: 00000000004cc658 R15: 00000000ffffffff [ 103.139353] Kernel Offset: disabled [ 103.142974] Rebooting in 86400 seconds..