[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [ 23.902812] audit: type=1800 audit(1541671825.631:21): pid=5493 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 23.929299] audit: type=1800 audit(1541671825.641:22): pid=5493 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[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. 2018/11/08 10:12:16 parsed 1 programs 2018/11/08 10:12:18 executed programs: 0 syzkaller login: [ 137.300332] IPVS: ftp: loaded support on port[0] = 21 [ 137.313916] IPVS: ftp: loaded support on port[0] = 21 [ 137.328536] IPVS: ftp: loaded support on port[0] = 21 [ 137.382239] IPVS: ftp: loaded support on port[0] = 21 [ 137.413688] IPVS: ftp: loaded support on port[0] = 21 [ 137.418647] IPVS: ftp: loaded support on port[0] = 21 [ 138.485674] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.492128] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.513645] device bridge_slave_0 entered promiscuous mode [ 138.543683] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.559712] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.577465] device bridge_slave_0 entered promiscuous mode [ 138.584027] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.590581] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.598184] device bridge_slave_0 entered promiscuous mode [ 138.606891] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.613235] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.621836] device bridge_slave_1 entered promiscuous mode [ 138.640286] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.648216] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.660747] device bridge_slave_0 entered promiscuous mode [ 138.674729] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.681932] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.690669] device bridge_slave_1 entered promiscuous mode [ 138.699253] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 138.709503] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.718791] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.726604] device bridge_slave_1 entered promiscuous mode [ 138.733021] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.740639] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.749049] device bridge_slave_0 entered promiscuous mode [ 138.757853] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.764213] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.781875] device bridge_slave_0 entered promiscuous mode [ 138.790177] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 138.799725] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.806212] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.813722] device bridge_slave_1 entered promiscuous mode [ 138.825796] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 138.838368] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 138.846017] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 138.853040] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.869609] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.878047] device bridge_slave_1 entered promiscuous mode [ 138.887290] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 138.894445] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.902944] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.916540] device bridge_slave_1 entered promiscuous mode [ 138.934447] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 138.961580] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 138.971467] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 138.994680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 139.035038] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 139.049064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 139.088485] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.120853] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.164885] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.174628] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.187814] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.225436] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.237298] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.245630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.270418] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.289044] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.309548] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 139.319900] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.329505] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.345907] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.355274] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.368762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 139.387899] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.396820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.404475] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.421017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 139.429934] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.438905] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.449509] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 139.459323] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.468209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 139.480341] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 139.490893] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 139.499751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 139.509150] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 139.524371] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 139.536453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 139.544508] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 139.592400] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 139.612940] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 139.673256] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.684385] team0: Port device team_slave_0 added [ 139.697412] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.704732] team0: Port device team_slave_0 added [ 139.723192] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.744986] team0: Port device team_slave_0 added [ 139.753503] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.761406] team0: Port device team_slave_1 added [ 139.769578] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.779521] team0: Port device team_slave_0 added [ 139.791372] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.802872] team0: Port device team_slave_1 added [ 139.817130] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 139.829884] team0: Port device team_slave_0 added [ 139.838240] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.846071] team0: Port device team_slave_1 added [ 139.861988] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 139.892592] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 139.903112] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.910633] team0: Port device team_slave_1 added [ 139.916505] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 139.923805] team0: Port device team_slave_1 added [ 139.942355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 139.959597] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 139.987420] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 139.995172] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 140.021453] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 140.029619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 140.040273] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 140.047846] team0: Port device team_slave_0 added [ 140.060081] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.070675] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.088223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 140.106860] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.114800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.123054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.130954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.139851] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.149512] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.164042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.176149] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.183970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.196654] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.204571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.212986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.220934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.229034] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 140.236351] team0: Port device team_slave_1 added [ 140.241523] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.258308] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.275226] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.290903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.299473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.308621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 140.316555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.324253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.332182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.340132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.350094] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 140.363754] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.374707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 140.386577] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 140.394150] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.412163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.426911] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.439974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.456689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 140.471266] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 140.496838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 140.507680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 140.555141] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 140.563470] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 140.574171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 140.617034] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 140.635937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 140.647342] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 141.008226] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.014776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.021961] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.028385] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.041864] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 141.059597] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.066020] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.072697] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.079113] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.092244] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 141.109252] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.115660] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.122252] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.128670] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.147145] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 141.204432] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.210840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.217522] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.223873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.231733] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 141.244868] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.251293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.257979] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.264346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.273625] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 141.335977] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 141.343595] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 141.356471] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 141.364074] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 141.374522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 141.455089] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.461535] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.468218] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.474570] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.482762] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 142.376675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 143.561550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.644439] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.690709] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.725969] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.844741] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.854524] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.866006] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.874010] 8021q: adding VLAN 0 to HW filter on device bond0 [ 143.891038] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 143.948109] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 144.086329] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.092518] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.101150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.118043] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 144.125639] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.132157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.141948] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.163638] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 144.172701] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.184195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.194785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.204021] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.219603] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.233079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.348604] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.354787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.362244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.389134] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.427213] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.437142] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.445812] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 144.453556] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 144.462241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 144.475292] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.626891] 8021q: adding VLAN 0 to HW filter on device team0 [ 144.670383] 8021q: adding VLAN 0 to HW filter on device team0 2018/11/08 10:12:27 executed programs: 6 2018/11/08 10:12:32 executed programs: 266 2018/11/08 10:12:37 executed programs: 491 2018/11/08 10:12:42 executed programs: 707 2018/11/08 10:12:47 executed programs: 907 2018/11/08 10:12:52 executed programs: 1124 2018/11/08 10:12:57 executed programs: 1328 2018/11/08 10:13:02 executed programs: 1551 2018/11/08 10:13:08 executed programs: 1761 2018/11/08 10:13:13 executed programs: 1989 2018/11/08 10:13:18 executed programs: 2208 2018/11/08 10:13:23 executed programs: 2450 2018/11/08 10:13:28 executed programs: 2681 2018/11/08 10:13:33 executed programs: 2886 [ 216.106256] vivid-000: kernel_thread() failed [ 216.903000] ================================================================== [ 216.910515] BUG: KASAN: null-ptr-deref in kthread_stop+0x108/0x8f0 [ 216.916828] Write of size 4 at addr 000000000000001c by task syz-executor3/19744 [ 216.924347] [ 216.925966] CPU: 1 PID: 19744 Comm: syz-executor3 Not tainted 4.20.0-rc1-next-20181108+ #108 [ 216.934529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.943872] Call Trace: [ 216.946452] dump_stack+0x244/0x39d [ 216.950071] ? dump_stack_print_info.cold.1+0x20/0x20 [ 216.955257] ? vprintk_func+0x85/0x181 [ 216.959140] kasan_report.cold.8+0x6d/0x309 [ 216.963456] ? kthread_stop+0x108/0x8f0 [ 216.967434] check_memory_region+0x13e/0x1b0 [ 216.971842] kasan_check_write+0x14/0x20 [ 216.975906] kthread_stop+0x108/0x8f0 [ 216.979696] ? kthread_unpark+0x160/0x160 [ 216.983847] ? __lock_is_held+0xb5/0x140 [ 216.987909] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 216.993173] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 216.998697] ? _vb2_fop_release+0x3f/0x2b0 [ 217.002936] ? mutex_trylock+0x2b0/0x2b0 [ 217.006985] ? vivid_fop_release+0x66/0x440 [ 217.011310] ? __mutex_lock+0x85e/0x16f0 [ 217.015381] vid_cap_stop_streaming+0x8d/0xe0 [ 217.019876] ? vid_cap_buf_queue+0x310/0x310 [ 217.024279] __vb2_queue_cancel+0x171/0xd20 [ 217.028601] ? lock_downgrade+0x900/0x900 [ 217.032742] ? vb2_buffer_done+0xb80/0xb80 [ 217.036967] ? find_held_lock+0x36/0x1c0 [ 217.041026] ? mark_held_locks+0xc7/0x130 [ 217.045178] ? kasan_check_write+0x14/0x20 [ 217.049404] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 217.054316] ? kasan_check_read+0x11/0x20 [ 217.058450] ? wait_for_completion+0x8a0/0x8a0 [ 217.063013] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.068110] vb2_core_streamoff+0x60/0x140 [ 217.072349] __vb2_cleanup_fileio+0x73/0x160 [ 217.076743] vb2_core_queue_release+0x1e/0x80 [ 217.081227] _vb2_fop_release+0x1d2/0x2b0 [ 217.085374] vb2_fop_release+0x77/0xc0 [ 217.089257] vivid_fop_release+0x18e/0x440 [ 217.093474] ? vivid_remove+0x460/0x460 [ 217.097429] v4l2_release+0x224/0x3a0 [ 217.101232] __fput+0x3bc/0xa70 [ 217.104499] ? dev_debug_store+0x140/0x140 [ 217.108718] ? get_max_files+0x20/0x20 [ 217.112614] ? trace_hardirqs_on+0xbd/0x310 [ 217.116947] ? kasan_check_read+0x11/0x20 [ 217.121081] ? task_work_run+0x1af/0x2a0 [ 217.125128] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.130225] ____fput+0x15/0x20 [ 217.133508] task_work_run+0x1e8/0x2a0 [ 217.137398] ? task_work_cancel+0x240/0x240 [ 217.141711] get_signal+0x1550/0x1970 [ 217.145506] ? find_held_lock+0x36/0x1c0 [ 217.149562] ? ptrace_notify+0x130/0x130 [ 217.153622] ? compat_poll_select_copy_remaining+0x6c0/0x6c0 [ 217.159418] ? pvclock_read_flags+0x160/0x160 [ 217.163911] ? poll_select_set_timeout+0x19a/0x240 [ 217.168826] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.173936] do_signal+0x9c/0x21c0 [ 217.177473] ? timespec64_add_safe+0x204/0x2f0 [ 217.182057] ? nsec_to_clock_t+0x30/0x30 [ 217.186118] ? setup_sigcontext+0x7d0/0x7d0 [ 217.190813] ? exit_to_usermode_loop+0x8c/0x380 [ 217.195487] ? exit_to_usermode_loop+0x8c/0x380 [ 217.200151] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 217.204718] ? trace_hardirqs_on+0xbd/0x310 [ 217.209047] ? do_syscall_64+0x6be/0x820 [ 217.213115] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.218217] ? do_restart_poll+0x2e0/0x2e0 [ 217.222433] ? nsecs_to_jiffies+0x30/0x30 [ 217.226564] ? do_syscall_64+0x9a/0x820 [ 217.230523] ? do_syscall_64+0x9a/0x820 [ 217.234483] exit_to_usermode_loop+0x2e5/0x380 [ 217.239049] ? __bpf_trace_sys_exit+0x30/0x30 [ 217.243529] ? ret_from_fork+0x15/0x50 [ 217.247406] do_syscall_64+0x6be/0x820 [ 217.251293] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.256638] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.261561] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.266573] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 217.271584] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 217.278254] ? __switch_to_asm+0x40/0x70 [ 217.282303] ? __switch_to_asm+0x34/0x70 [ 217.286354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.291202] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.296385] RIP: 0033:0x457569 [ 217.299582] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.318468] RSP: 002b:00007f500841ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 217.326162] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000457569 [ 217.333430] RDX: 0000000000000d90 RSI: 0000000000000001 RDI: 0000000020000180 [ 217.340691] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 217.347956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f500841f6d4 [ 217.355216] R13: 00000000004c325e R14: 00000000004d4e10 R15: 00000000ffffffff [ 217.362490] ================================================================== [ 217.370224] Disabling lock debugging due to kernel taint [ 217.376321] Kernel panic - not syncing: panic_on_warn set ... [ 217.382220] CPU: 1 PID: 19744 Comm: syz-executor3 Tainted: G B 4.20.0-rc1-next-20181108+ #108 [ 217.392175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.401513] Call Trace: [ 217.404100] dump_stack+0x244/0x39d [ 217.407720] ? dump_stack_print_info.cold.1+0x20/0x20 [ 217.412905] panic+0x2ad/0x55c [ 217.416090] ? add_taint.cold.5+0x16/0x16 [ 217.420224] ? preempt_schedule+0x4d/0x60 [ 217.424359] ? ___preempt_schedule+0x16/0x18 [ 217.428753] ? trace_hardirqs_on+0xb4/0x310 [ 217.433076] kasan_end_report+0x47/0x4f [ 217.437041] kasan_report.cold.8+0x76/0x309 [ 217.441347] ? kthread_stop+0x108/0x8f0 [ 217.445308] check_memory_region+0x13e/0x1b0 [ 217.449703] kasan_check_write+0x14/0x20 [ 217.453752] kthread_stop+0x108/0x8f0 [ 217.457537] ? kthread_unpark+0x160/0x160 [ 217.461668] ? __lock_is_held+0xb5/0x140 [ 217.465738] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 217.471009] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 217.476531] ? _vb2_fop_release+0x3f/0x2b0 [ 217.480752] ? mutex_trylock+0x2b0/0x2b0 [ 217.484821] ? vivid_fop_release+0x66/0x440 [ 217.489124] ? __mutex_lock+0x85e/0x16f0 [ 217.493189] vid_cap_stop_streaming+0x8d/0xe0 [ 217.497682] ? vid_cap_buf_queue+0x310/0x310 [ 217.502076] __vb2_queue_cancel+0x171/0xd20 [ 217.506387] ? lock_downgrade+0x900/0x900 [ 217.510526] ? vb2_buffer_done+0xb80/0xb80 [ 217.514745] ? find_held_lock+0x36/0x1c0 [ 217.518819] ? mark_held_locks+0xc7/0x130 [ 217.522967] ? kasan_check_write+0x14/0x20 [ 217.527189] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 217.532102] ? kasan_check_read+0x11/0x20 [ 217.536236] ? wait_for_completion+0x8a0/0x8a0 [ 217.540802] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.545897] vb2_core_streamoff+0x60/0x140 [ 217.550119] __vb2_cleanup_fileio+0x73/0x160 [ 217.554512] vb2_core_queue_release+0x1e/0x80 [ 217.558993] _vb2_fop_release+0x1d2/0x2b0 [ 217.563122] vb2_fop_release+0x77/0xc0 [ 217.567000] vivid_fop_release+0x18e/0x440 [ 217.571245] ? vivid_remove+0x460/0x460 [ 217.575205] v4l2_release+0x224/0x3a0 [ 217.578991] __fput+0x3bc/0xa70 [ 217.582258] ? dev_debug_store+0x140/0x140 [ 217.586475] ? get_max_files+0x20/0x20 [ 217.590346] ? trace_hardirqs_on+0xbd/0x310 [ 217.594650] ? kasan_check_read+0x11/0x20 [ 217.598787] ? task_work_run+0x1af/0x2a0 [ 217.602843] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.607937] ____fput+0x15/0x20 [ 217.611202] task_work_run+0x1e8/0x2a0 [ 217.615079] ? task_work_cancel+0x240/0x240 [ 217.619393] get_signal+0x1550/0x1970 [ 217.623194] ? find_held_lock+0x36/0x1c0 [ 217.627245] ? ptrace_notify+0x130/0x130 [ 217.631314] ? compat_poll_select_copy_remaining+0x6c0/0x6c0 [ 217.637102] ? pvclock_read_flags+0x160/0x160 [ 217.641579] ? poll_select_set_timeout+0x19a/0x240 [ 217.646507] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.651615] do_signal+0x9c/0x21c0 [ 217.655156] ? timespec64_add_safe+0x204/0x2f0 [ 217.659730] ? nsec_to_clock_t+0x30/0x30 [ 217.663799] ? setup_sigcontext+0x7d0/0x7d0 [ 217.668123] ? exit_to_usermode_loop+0x8c/0x380 [ 217.672792] ? exit_to_usermode_loop+0x8c/0x380 [ 217.677455] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 217.682019] ? trace_hardirqs_on+0xbd/0x310 [ 217.686324] ? do_syscall_64+0x6be/0x820 [ 217.690374] ? trace_hardirqs_off_caller+0x300/0x300 [ 217.695471] ? do_restart_poll+0x2e0/0x2e0 [ 217.699693] ? nsecs_to_jiffies+0x30/0x30 [ 217.703825] ? do_syscall_64+0x9a/0x820 [ 217.707783] ? do_syscall_64+0x9a/0x820 [ 217.711760] exit_to_usermode_loop+0x2e5/0x380 [ 217.716329] ? __bpf_trace_sys_exit+0x30/0x30 [ 217.720828] ? ret_from_fork+0x15/0x50 [ 217.724699] do_syscall_64+0x6be/0x820 [ 217.728575] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 217.733940] ? syscall_return_slowpath+0x5e0/0x5e0 [ 217.738864] ? trace_hardirqs_on_caller+0x310/0x310 [ 217.743866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 217.748868] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 217.755521] ? __switch_to_asm+0x40/0x70 [ 217.759561] ? __switch_to_asm+0x34/0x70 [ 217.763609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.768442] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.773612] RIP: 0033:0x457569 [ 217.776796] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.795771] RSP: 002b:00007f500841ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 217.803473] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000457569 [ 217.810724] RDX: 0000000000000d90 RSI: 0000000000000001 RDI: 0000000020000180 [ 217.817993] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 217.825261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f500841f6d4 [ 217.832676] R13: 00000000004c325e R14: 00000000004d4e10 R15: 00000000ffffffff [ 217.841217] Kernel Offset: disabled [ 217.844843] Rebooting in 86400 seconds..