[info] Using makefile-style concurrent boot in runlevel 2. [ 25.188956] audit: type=1800 audit(1538098776.054:21): pid=5171 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.216462] audit: type=1800 audit(1538098776.054:22): pid=5171 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 '10.128.0.50' (ECDSA) to the list of known hosts. 2018/09/28 01:52:13 parsed 1 programs 2018/09/28 01:52:15 executed programs: 0 syzkaller login: [ 785.037070] IPVS: ftp: loaded support on port[0] = 21 [ 785.040189] IPVS: ftp: loaded support on port[0] = 21 [ 785.066297] IPVS: ftp: loaded support on port[0] = 21 [ 785.076714] IPVS: ftp: loaded support on port[0] = 21 [ 785.090222] IPVS: ftp: loaded support on port[0] = 21 [ 785.111682] IPVS: ftp: loaded support on port[0] = 21 [ 786.259668] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.269468] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.277076] device bridge_slave_0 entered promiscuous mode [ 786.295305] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.308581] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.316018] device bridge_slave_0 entered promiscuous mode [ 786.343690] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.353074] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.361275] device bridge_slave_0 entered promiscuous mode [ 786.372160] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.383250] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.396400] device bridge_slave_1 entered promiscuous mode [ 786.413147] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.421957] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.430061] device bridge_slave_0 entered promiscuous mode [ 786.436993] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.448113] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.455533] device bridge_slave_1 entered promiscuous mode [ 786.464560] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.471929] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.479957] device bridge_slave_1 entered promiscuous mode [ 786.488319] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.510415] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.517273] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.525884] device bridge_slave_1 entered promiscuous mode [ 786.533512] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.544499] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.552601] device bridge_slave_0 entered promiscuous mode [ 786.561735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.572974] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.583172] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.596530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.609202] bridge0: port 1(bridge_slave_0) entered blocking state [ 786.615575] bridge0: port 1(bridge_slave_0) entered disabled state [ 786.627429] device bridge_slave_0 entered promiscuous mode [ 786.636916] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.663164] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.671762] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.682470] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.699908] device bridge_slave_1 entered promiscuous mode [ 786.709398] bridge0: port 2(bridge_slave_1) entered blocking state [ 786.715770] bridge0: port 2(bridge_slave_1) entered disabled state [ 786.724763] device bridge_slave_1 entered promiscuous mode [ 786.733402] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.765749] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.777479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 786.833712] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 786.862646] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.877560] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 786.901801] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 786.929665] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 786.945779] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 786.986115] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 787.007925] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 787.028206] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 787.039885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 787.075244] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 787.086132] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 787.098407] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 787.115250] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 787.136238] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 787.155679] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 787.168440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 787.180863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 787.191510] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 787.200799] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 787.214784] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 787.225523] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 787.237486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 787.253598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 787.276414] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 787.286151] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 787.306979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 787.320083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 787.338752] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 787.348154] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 787.447167] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.463215] team0: Port device team_slave_0 added [ 787.487710] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.500200] team0: Port device team_slave_0 added [ 787.511413] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.529018] team0: Port device team_slave_0 added [ 787.541505] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.552931] team0: Port device team_slave_0 added [ 787.567294] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 787.578759] team0: Port device team_slave_1 added [ 787.587602] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 787.602039] team0: Port device team_slave_1 added [ 787.627396] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 787.648893] team0: Port device team_slave_1 added [ 787.658231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 787.668120] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 787.675586] team0: Port device team_slave_1 added [ 787.710518] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 787.721075] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 787.748743] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 787.775026] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 787.787013] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 787.806622] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.826580] team0: Port device team_slave_0 added [ 787.833028] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 787.841587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 787.853910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 787.862666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 787.878557] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 787.890512] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 787.898529] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 787.905902] team0: Port device team_slave_0 added [ 787.920253] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 787.931095] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 787.944766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 787.952983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 787.960905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 787.972512] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 787.982544] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 787.995780] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 788.004415] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 788.013399] team0: Port device team_slave_1 added [ 788.019339] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.032868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.041828] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 788.050339] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 788.058769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.066503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.077243] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 788.084637] team0: Port device team_slave_1 added [ 788.093653] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 788.105912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.118462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.140458] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 788.148638] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 788.161818] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 788.177538] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.192864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.220117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 788.229195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 788.236804] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 788.245029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 788.261085] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 788.271314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 788.286373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 788.304331] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 788.320942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 788.341826] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 788.359163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 788.370790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 788.386360] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 788.403488] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 788.415288] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 788.432978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 788.448512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 788.464537] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.482100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.518500] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 788.525669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 788.535996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 788.926377] bridge0: port 2(bridge_slave_1) entered blocking state [ 788.933019] bridge0: port 2(bridge_slave_1) entered forwarding state [ 788.940065] bridge0: port 1(bridge_slave_0) entered blocking state [ 788.946451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 788.959649] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 788.970721] bridge0: port 2(bridge_slave_1) entered blocking state [ 788.977119] bridge0: port 2(bridge_slave_1) entered forwarding state [ 788.983861] bridge0: port 1(bridge_slave_0) entered blocking state [ 788.990281] bridge0: port 1(bridge_slave_0) entered forwarding state [ 788.999212] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 789.018080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 789.025532] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 789.100068] bridge0: port 2(bridge_slave_1) entered blocking state [ 789.106474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 789.113213] bridge0: port 1(bridge_slave_0) entered blocking state [ 789.119641] bridge0: port 1(bridge_slave_0) entered forwarding state [ 789.137176] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 789.145951] bridge0: port 2(bridge_slave_1) entered blocking state [ 789.152376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 789.159101] bridge0: port 1(bridge_slave_0) entered blocking state [ 789.165467] bridge0: port 1(bridge_slave_0) entered forwarding state [ 789.174525] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 789.237270] bridge0: port 2(bridge_slave_1) entered blocking state [ 789.243719] bridge0: port 2(bridge_slave_1) entered forwarding state [ 789.250449] bridge0: port 1(bridge_slave_0) entered blocking state [ 789.256821] bridge0: port 1(bridge_slave_0) entered forwarding state [ 789.265555] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 789.321274] bridge0: port 2(bridge_slave_1) entered blocking state [ 789.327706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 789.334452] bridge0: port 1(bridge_slave_0) entered blocking state [ 789.340890] bridge0: port 1(bridge_slave_0) entered forwarding state [ 789.355148] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 790.061905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 790.069421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 790.076694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 790.085003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 791.691801] 8021q: adding VLAN 0 to HW filter on device bond0 [ 791.768007] 8021q: adding VLAN 0 to HW filter on device bond0 [ 791.925112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 791.974935] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 791.998748] 8021q: adding VLAN 0 to HW filter on device bond0 [ 792.037408] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 792.054702] 8021q: adding VLAN 0 to HW filter on device bond0 [ 792.087327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 792.186842] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 792.265856] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.272578] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.281815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.293504] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.308361] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.322515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.337074] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 792.356844] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 792.370315] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 792.509196] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.515413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.532668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.550093] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.566135] 8021q: adding VLAN 0 to HW filter on device team0 [ 792.580566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.587702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.612047] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.625135] 8021q: adding VLAN 0 to HW filter on device team0 [ 792.635791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.649414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.728375] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 792.759865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 792.767064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 792.799528] 8021q: adding VLAN 0 to HW filter on device team0 [ 792.869530] 8021q: adding VLAN 0 to HW filter on device team0 [ 792.938861] 8021q: adding VLAN 0 to HW filter on device team0 [ 793.030987] 8021q: adding VLAN 0 to HW filter on device team0 [ 794.360113] hrtimer: interrupt took 72767 ns 2018/09/28 01:52:25 executed programs: 6 2018/09/28 01:52:30 executed programs: 43 2018/09/28 01:52:35 executed programs: 80 2018/09/28 01:52:40 executed programs: 118 2018/09/28 01:52:46 executed programs: 156 2018/09/28 01:52:51 executed programs: 194 2018/09/28 01:52:56 executed programs: 231 2018/09/28 01:53:01 executed programs: 270 2018/09/28 01:53:07 executed programs: 308 2018/09/28 01:53:12 executed programs: 345 2018/09/28 01:53:17 executed programs: 383 2018/09/28 01:53:22 executed programs: 420 2018/09/28 01:53:27 executed programs: 456 2018/09/28 01:53:32 executed programs: 494 2018/09/28 01:53:37 executed programs: 531 2018/09/28 01:53:43 executed programs: 570 2018/09/28 01:53:48 executed programs: 608 2018/09/28 01:53:53 executed programs: 645 2018/09/28 01:53:58 executed programs: 682 2018/09/28 01:54:03 executed programs: 720 2018/09/28 01:54:08 executed programs: 758 2018/09/28 01:54:14 executed programs: 796 [ 906.008350] ================================================================== [ 906.015775] BUG: KASAN: use-after-free in __lock_acquire+0x37c2/0x4ec0 [ 906.022427] Read of size 8 at addr ffff8801c5c70fd0 by task syz-executor2/11266 [ 906.029854] [ 906.031480] CPU: 0 PID: 11266 Comm: syz-executor2 Not tainted 4.19.0-rc5+ #160 [ 906.038825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 906.048171] Call Trace: [ 906.050840] dump_stack+0x1c4/0x2b4 [ 906.054469] ? dump_stack_print_info.cold.2+0x52/0x52 [ 906.059649] ? printk+0xa7/0xcf [ 906.062915] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 906.067670] print_address_description.cold.8+0x9/0x1ff [ 906.073062] kasan_report.cold.9+0x242/0x309 [ 906.077470] ? __lock_acquire+0x37c2/0x4ec0 [ 906.081792] __asan_report_load8_noabort+0x14/0x20 [ 906.086730] __lock_acquire+0x37c2/0x4ec0 [ 906.090875] ? unwind_dump+0x190/0x190 [ 906.094759] ? mark_held_locks+0x130/0x130 [ 906.098999] ? print_usage_bug+0xc0/0xc0 [ 906.103068] ? __save_stack_trace+0x8d/0xf0 [ 906.107392] ? mark_held_locks+0x130/0x130 [ 906.111617] ? save_stack+0xa9/0xd0 [ 906.115259] ? mark_held_locks+0xc7/0x130 [ 906.119465] ? __sys_connect+0x37d/0x4c0 [ 906.123532] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.128292] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 906.132945] ? retint_kernel+0x2d/0x2d [ 906.136854] ? print_usage_bug+0xc0/0xc0 [ 906.140911] ? graph_lock+0x170/0x170 [ 906.144703] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.149453] ? trace_hardirqs_off+0x310/0x310 [ 906.153952] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.158715] ? lockdep_hardirqs_on+0x421/0x5c0 [ 906.163293] ? retint_kernel+0x2d/0x2d [ 906.167188] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.171995] ? mark_held_locks+0xc7/0x130 [ 906.176149] lock_acquire+0x1ed/0x520 [ 906.180011] ? vhost_transport_send_pkt+0x12e/0x380 [ 906.185025] ? lock_release+0x970/0x970 [ 906.189008] ? vhost_vsock_get+0xde/0x100 [ 906.193164] ? vhost_vsock_get+0xde/0x100 [ 906.197320] ? __local_bh_enable_ip+0x160/0x260 [ 906.202006] _raw_spin_lock_bh+0x31/0x40 [ 906.206064] ? vhost_transport_send_pkt+0x12e/0x380 [ 906.211091] vhost_transport_send_pkt+0x12e/0x380 [ 906.215941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 906.221522] ? vhost_vsock_dev_open+0x5a0/0x5a0 [ 906.226267] ? virtio_transport_send_pkt_info+0x2e7/0x460 [ 906.231813] ? __local_bh_enable_ip+0x160/0x260 [ 906.236485] virtio_transport_send_pkt_info+0x31d/0x460 [ 906.241853] virtio_transport_connect+0x17c/0x220 [ 906.246693] ? virtio_transport_send_pkt_info+0x460/0x460 [ 906.252229] ? vsock_auto_bind+0xa9/0xe0 [ 906.256306] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 906.261843] vsock_stream_connect+0x4ed/0xe40 [ 906.266339] ? vsock_dgram_connect+0x500/0x500 [ 906.270922] ? finish_wait+0x430/0x430 [ 906.274807] ? aa_af_perm+0x5a0/0x5a0 [ 906.278610] ? apparmor_socket_connect+0xb6/0x160 [ 906.283453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 906.288995] ? security_socket_connect+0x94/0xc0 [ 906.293754] __sys_connect+0x37d/0x4c0 [ 906.297640] ? retint_kernel+0x2d/0x2d [ 906.301530] ? __ia32_sys_accept+0xb0/0xb0 [ 906.305762] ? trace_hardirqs_off+0x310/0x310 [ 906.310261] ? _copy_to_user+0xc8/0x110 [ 906.314239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 906.319785] ? retint_kernel+0x2d/0x2d [ 906.323677] __ia32_sys_connect+0x72/0xb0 [ 906.327826] do_fast_syscall_32+0x34d/0xfb2 [ 906.332164] ? do_int80_syscall_32+0x890/0x890 [ 906.336744] ? entry_SYSENTER_compat+0x68/0x7f [ 906.341323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 906.346341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 906.351178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 906.356017] ? trace_hardirqs_on_caller+0x310/0x310 [ 906.361032] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 906.366046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 906.371584] ? prepare_exit_to_usermode+0x291/0x3b0 [ 906.376603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 906.381444] entry_SYSENTER_compat+0x70/0x7f [ 906.385846] RIP: 0023:0xf7f53ca9 [ 906.389210] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 906.408203] RSP: 002b:00000000f7f2e0cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a [ 906.415920] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020000200 [ 906.423196] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 [ 906.430470] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 906.437740] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 906.445010] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 906.452286] [ 906.453908] Allocated by task 11263: [ 906.457623] save_stack+0x43/0xd0 [ 906.461071] kasan_kmalloc+0xc7/0xe0 [ 906.464784] __kmalloc_node+0x47/0x70 [ 906.468583] kvmalloc_node+0xb9/0xf0 [ 906.472300] vhost_vsock_dev_open+0xa2/0x5a0 [ 906.476705] misc_open+0x3ca/0x560 [ 906.480241] chrdev_open+0x25a/0x710 [ 906.483962] do_dentry_open+0x499/0x1250 [ 906.488027] vfs_open+0xa0/0xd0 [ 906.491303] path_openat+0x12bf/0x5160 [ 906.495190] do_filp_open+0x255/0x380 [ 906.498995] do_sys_open+0x568/0x700 [ 906.502707] __ia32_compat_sys_openat+0x98/0xf0 [ 906.507376] do_fast_syscall_32+0x34d/0xfb2 [ 906.511695] entry_SYSENTER_compat+0x70/0x7f [ 906.516091] [ 906.517710] Freed by task 11262: [ 906.521071] save_stack+0x43/0xd0 [ 906.524519] __kasan_slab_free+0x102/0x150 [ 906.528750] kasan_slab_free+0xe/0x10 [ 906.532549] kfree+0xcf/0x230 [ 906.535653] kvfree+0x61/0x70 [ 906.538756] vhost_vsock_dev_release+0x4f4/0x720 [ 906.543504] __fput+0x385/0xa30 [ 906.546778] ____fput+0x15/0x20 [ 906.550062] task_work_run+0x1e8/0x2a0 [ 906.553945] exit_to_usermode_loop+0x318/0x380 [ 906.558532] do_fast_syscall_32+0xcd5/0xfb2 [ 906.562848] entry_SYSENTER_compat+0x70/0x7f [ 906.567240] [ 906.568868] The buggy address belongs to the object at ffff8801c5c682c0 [ 906.568868] which belongs to the cache kmalloc-65536 of size 65536 [ 906.581879] The buggy address is located 36112 bytes inside of [ 906.581879] 65536-byte region [ffff8801c5c682c0, ffff8801c5c782c0) [ 906.594092] The buggy address belongs to the page: [ 906.599025] page:ffffea0007171800 count:1 mapcount:0 mapping:ffff8801da802500 index:0x0 compound_mapcount: 0 [ 906.609012] flags: 0x2fffc0000008100(slab|head) [ 906.613685] raw: 02fffc0000008100 ffffea0007170808 ffffea0007170008 ffff8801da802500 [ 906.621566] raw: 0000000000000000 ffff8801c5c682c0 0000000100000001 0000000000000000 [ 906.629437] page dumped because: kasan: bad access detected [ 906.635134] [ 906.636750] Memory state around the buggy address: [ 906.641674] ffff8801c5c70e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 906.649029] ffff8801c5c70f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 906.656388] >ffff8801c5c70f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 906.663739] ^ [ 906.669707] ffff8801c5c71000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 906.677061] ffff8801c5c71080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 906.684412] ================================================================== [ 906.691760] Disabling lock debugging due to kernel taint [ 906.697202] Kernel panic - not syncing: panic_on_warn set ... [ 906.697202] [ 906.704573] CPU: 0 PID: 11266 Comm: syz-executor2 Tainted: G B 4.19.0-rc5+ #160 [ 906.713316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 906.722666] Call Trace: [ 906.725295] dump_stack+0x1c4/0x2b4 [ 906.728927] ? dump_stack_print_info.cold.2+0x52/0x52 [ 906.734117] ? lock_downgrade+0x900/0x900 [ 906.738268] panic+0x238/0x4e7 [ 906.741458] ? add_taint.cold.5+0x16/0x16 [ 906.745607] ? add_taint.cold.5+0x5/0x16 [ 906.749666] ? trace_hardirqs_off+0xaf/0x310 [ 906.754076] kasan_end_report+0x47/0x4f [ 906.758054] kasan_report.cold.9+0x76/0x309 [ 906.762375] ? __lock_acquire+0x37c2/0x4ec0 [ 906.766700] __asan_report_load8_noabort+0x14/0x20 [ 906.771628] __lock_acquire+0x37c2/0x4ec0 [ 906.775776] ? unwind_dump+0x190/0x190 [ 906.779667] ? mark_held_locks+0x130/0x130 [ 906.783899] ? print_usage_bug+0xc0/0xc0 [ 906.787958] ? __save_stack_trace+0x8d/0xf0 [ 906.792289] ? mark_held_locks+0x130/0x130 [ 906.796521] ? save_stack+0xa9/0xd0 [ 906.800145] ? mark_held_locks+0xc7/0x130 [ 906.804292] ? __sys_connect+0x37d/0x4c0 [ 906.808351] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.813105] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 906.817690] ? retint_kernel+0x2d/0x2d [ 906.821584] ? print_usage_bug+0xc0/0xc0 [ 906.825642] ? graph_lock+0x170/0x170 [ 906.829445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.834201] ? trace_hardirqs_off+0x310/0x310 [ 906.838697] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.843456] ? lockdep_hardirqs_on+0x421/0x5c0 [ 906.848042] ? retint_kernel+0x2d/0x2d [ 906.851928] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 906.856683] ? mark_held_locks+0xc7/0x130 [ 906.860834] lock_acquire+0x1ed/0x520 [ 906.864636] ? vhost_transport_send_pkt+0x12e/0x380 [ 906.869651] ? lock_release+0x970/0x970 [ 906.873623] ? vhost_vsock_get+0xde/0x100 [ 906.877769] ? vhost_vsock_get+0xde/0x100 [ 906.881920] ? __local_bh_enable_ip+0x160/0x260 [ 906.886594] _raw_spin_lock_bh+0x31/0x40 [ 906.890653] ? vhost_transport_send_pkt+0x12e/0x380 [ 906.895668] vhost_transport_send_pkt+0x12e/0x380 [ 906.900509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 906.906059] ? vhost_vsock_dev_open+0x5a0/0x5a0 [ 906.910727] ? virtio_transport_send_pkt_info+0x2e7/0x460 [ 906.916273] ? __local_bh_enable_ip+0x160/0x260 [ 906.920944] virtio_transport_send_pkt_info+0x31d/0x460 [ 906.926319] virtio_transport_connect+0x17c/0x220 [ 906.931159] ? virtio_transport_send_pkt_info+0x460/0x460 [ 906.936689] ? vsock_auto_bind+0xa9/0xe0 [ 906.940751] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 906.946286] vsock_stream_connect+0x4ed/0xe40 [ 906.950782] ? vsock_dgram_connect+0x500/0x500 [ 906.955371] ? finish_wait+0x430/0x430 [ 906.959261] ? aa_af_perm+0x5a0/0x5a0 [ 906.963063] ? apparmor_socket_connect+0xb6/0x160 [ 906.967906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 906.973441] ? security_socket_connect+0x94/0xc0 [ 906.978196] __sys_connect+0x37d/0x4c0 [ 906.982088] ? retint_kernel+0x2d/0x2d [ 906.985985] ? __ia32_sys_accept+0xb0/0xb0 [ 906.990220] ? trace_hardirqs_off+0x310/0x310 [ 906.994717] ? _copy_to_user+0xc8/0x110 [ 906.998692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 907.004240] ? retint_kernel+0x2d/0x2d [ 907.008142] __ia32_sys_connect+0x72/0xb0 [ 907.012293] do_fast_syscall_32+0x34d/0xfb2 [ 907.016616] ? do_int80_syscall_32+0x890/0x890 [ 907.021216] ? entry_SYSENTER_compat+0x68/0x7f [ 907.025801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 907.030817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 907.035663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 907.040504] ? trace_hardirqs_on_caller+0x310/0x310 [ 907.045516] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 907.050531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 907.056069] ? prepare_exit_to_usermode+0x291/0x3b0 [ 907.061090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 907.065935] entry_SYSENTER_compat+0x70/0x7f [ 907.070342] RIP: 0023:0xf7f53ca9 [ 907.073706] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 907.092609] RSP: 002b:00000000f7f2e0cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a [ 907.100318] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020000200 [ 907.107584] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000 [ 907.114847] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 907.122110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 907.129374] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 907.138031] Kernel Offset: disabled [ 907.141686] Rebooting in 86400 seconds..