Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. 2018/11/10 12:43:11 parsed 1 programs [ 37.112181] ld (5749) used greatest stack depth: 15328 bytes left 2018/11/10 12:43:13 executed programs: 0 [ 37.976322] IPVS: ftp: loaded support on port[0] = 21 [ 37.980034] IPVS: ftp: loaded support on port[0] = 21 [ 37.993560] IPVS: ftp: loaded support on port[0] = 21 [ 38.003526] IPVS: ftp: loaded support on port[0] = 21 [ 38.015130] IPVS: ftp: loaded support on port[0] = 21 [ 38.031717] IPVS: ftp: loaded support on port[0] = 21 [ 39.375384] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.387404] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.395802] device bridge_slave_0 entered promiscuous mode [ 39.451319] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.469328] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.483193] device bridge_slave_0 entered promiscuous mode [ 39.492466] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.501115] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.508896] device bridge_slave_1 entered promiscuous mode [ 39.518088] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.524449] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.535679] device bridge_slave_0 entered promiscuous mode [ 39.545502] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.552955] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.560733] device bridge_slave_0 entered promiscuous mode [ 39.568161] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.574547] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.583128] device bridge_slave_0 entered promiscuous mode [ 39.602004] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.615266] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.626396] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.634897] device bridge_slave_1 entered promiscuous mode [ 39.643627] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.652776] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.660475] device bridge_slave_1 entered promiscuous mode [ 39.669603] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.678440] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.684866] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.693796] device bridge_slave_1 entered promiscuous mode [ 39.702811] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.713273] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.721218] device bridge_slave_0 entered promiscuous mode [ 39.728958] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.735317] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.743419] device bridge_slave_1 entered promiscuous mode [ 39.752337] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.777392] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.789430] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.800036] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.809358] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.816239] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.834069] device bridge_slave_1 entered promiscuous mode [ 39.850204] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.865031] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.890017] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.906098] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.925674] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.953154] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.000591] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.049358] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.089830] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.144243] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.156446] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.170542] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.188362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.205420] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.223195] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.242429] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.254105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.268123] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.285175] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.300576] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.334481] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.348470] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.364197] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.379008] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.388209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.409070] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.416000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.437877] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.477671] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.489899] team0: Port device team_slave_0 added [ 40.588852] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.596254] team0: Port device team_slave_1 added [ 40.701835] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.713308] team0: Port device team_slave_0 added [ 40.736279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.761179] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.773286] team0: Port device team_slave_0 added [ 40.786626] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.794434] team0: Port device team_slave_0 added [ 40.809800] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.819013] team0: Port device team_slave_0 added [ 40.826246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.850042] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.858830] team0: Port device team_slave_1 added [ 40.864489] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.875619] team0: Port device team_slave_0 added [ 40.884453] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.892277] team0: Port device team_slave_1 added [ 40.898798] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.906188] team0: Port device team_slave_1 added [ 40.913997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.929060] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.938774] team0: Port device team_slave_1 added [ 40.946204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.958654] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.977144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.984956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.999724] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.007865] team0: Port device team_slave_1 added [ 41.020459] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.035645] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.051915] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.060685] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.071675] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.082299] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.096755] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.107110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.119864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.129195] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.137857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.145582] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.153298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.161103] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.174980] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.185174] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.192343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.202870] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.216791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.224583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.232971] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.240391] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.248522] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.261531] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.272370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.284829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.306182] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.315002] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.323062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.331195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.339054] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.347001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.355560] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.366568] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.373970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.387112] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.399114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.407331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.425023] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.434253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.442906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.451024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.458931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 41.466676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.492013] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.506729] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.517309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.525242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.552379] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.561503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.597709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.604856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.618364] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.131402] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.137938] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.144987] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.151435] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.165982] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.236751] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.243139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.249908] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.256291] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.266855] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.292337] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.298780] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.305466] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.311905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.336856] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.355160] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.361577] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.368316] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.374707] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.382650] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.399864] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.406233] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.412966] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.419392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.431377] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.494522] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.500948] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.507689] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.514089] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.533065] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.106604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.114080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.144548] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.151852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.159518] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.166898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.084517] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.283950] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.304151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.333335] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.378671] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.471563] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.553775] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.564216] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.580751] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.669135] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.679076] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.686216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.730483] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.744943] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.794812] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.806657] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.819539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.899237] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.912259] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.921494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.932813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.956069] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.012477] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.022744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.034203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.053839] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.071483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.085503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.166381] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.198453] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.250975] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.257674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.267204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.304505] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.377598] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.505913] 8021q: adding VLAN 0 to HW filter on device team0 2018/11/10 12:43:23 executed programs: 6 2018/11/10 12:43:28 executed programs: 234 2018/11/10 12:43:33 executed programs: 462 [ 61.475223] vivid-000: kernel_thread() failed [ 61.522763] ================================================================== [ 61.530296] BUG: KASAN: null-ptr-deref in kthread_stop+0x108/0x8f0 [ 61.536622] Write of size 4 at addr 000000000000001c by task syz-executor5/10137 [ 61.544138] [ 61.545752] CPU: 1 PID: 10137 Comm: syz-executor5 Not tainted 4.20.0-rc1-next-20181109+ #109 [ 61.554308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.563649] Call Trace: [ 61.566235] dump_stack+0x244/0x39d [ 61.569863] ? dump_stack_print_info.cold.1+0x20/0x20 [ 61.575043] ? vprintk_func+0x85/0x181 [ 61.578921] kasan_report.cold.8+0x6d/0x309 [ 61.583236] ? kthread_stop+0x108/0x8f0 [ 61.587203] check_memory_region+0x13e/0x1b0 [ 61.591604] kasan_check_write+0x14/0x20 [ 61.595651] kthread_stop+0x108/0x8f0 [ 61.599439] ? kthread_unpark+0x160/0x160 [ 61.603579] ? __lock_is_held+0xb5/0x140 [ 61.607641] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 61.612929] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 61.618476] ? _vb2_fop_release+0x3f/0x2b0 [ 61.622728] ? mutex_trylock+0x2b0/0x2b0 [ 61.626790] ? vivid_fop_release+0x66/0x440 [ 61.631100] ? __mutex_lock+0x85e/0x16f0 [ 61.635155] vid_cap_stop_streaming+0x8d/0xe0 [ 61.639649] ? vid_cap_buf_queue+0x310/0x310 [ 61.644046] __vb2_queue_cancel+0x171/0xd20 [ 61.648360] ? lock_downgrade+0x900/0x900 [ 61.652499] ? vb2_buffer_done+0xb80/0xb80 [ 61.656730] ? find_held_lock+0x36/0x1c0 [ 61.660785] ? mark_held_locks+0xc7/0x130 [ 61.664931] ? kasan_check_write+0x14/0x20 [ 61.669152] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 61.674066] ? kasan_check_read+0x11/0x20 [ 61.678214] ? wait_for_completion+0x8a0/0x8a0 [ 61.682791] ? trace_hardirqs_off_caller+0x300/0x300 [ 61.687883] ? ep_modify+0xc10/0xc10 [ 61.691590] vb2_core_streamoff+0x60/0x140 [ 61.695815] __vb2_cleanup_fileio+0x73/0x160 [ 61.700212] vb2_core_queue_release+0x1e/0x80 [ 61.704700] _vb2_fop_release+0x1d2/0x2b0 [ 61.708853] vb2_fop_release+0x77/0xc0 [ 61.712747] vivid_fop_release+0x18e/0x440 [ 61.716983] ? vivid_remove+0x460/0x460 [ 61.720946] v4l2_release+0x224/0x3a0 [ 61.724741] __fput+0x3bc/0xa70 [ 61.728014] ? dev_debug_store+0x140/0x140 [ 61.732240] ? get_max_files+0x20/0x20 [ 61.736128] ? trace_hardirqs_on+0xbd/0x310 [ 61.740453] ? kasan_check_read+0x11/0x20 [ 61.744589] ? task_work_run+0x1af/0x2a0 [ 61.748642] ? trace_hardirqs_off_caller+0x300/0x300 [ 61.753742] ? fput+0x130/0x1a0 [ 61.757014] ____fput+0x15/0x20 [ 61.760285] task_work_run+0x1e8/0x2a0 [ 61.764161] ? task_work_cancel+0x240/0x240 [ 61.768470] ? do_syscall_64+0x9a/0x820 [ 61.772437] exit_to_usermode_loop+0x318/0x380 [ 61.777007] ? __bpf_trace_sys_exit+0x30/0x30 [ 61.781495] do_syscall_64+0x6be/0x820 [ 61.785378] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 61.790738] ? syscall_return_slowpath+0x5e0/0x5e0 [ 61.795656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.800499] ? trace_hardirqs_on_caller+0x310/0x310 [ 61.805511] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 61.810515] ? prepare_exit_to_usermode+0x291/0x3b0 [ 61.815522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.820370] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.825543] RIP: 0033:0x457569 [ 61.828754] 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 [ 61.847665] RSP: 002b:00007f43bac48c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 61.855358] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000457569 [ 61.862617] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 61.869892] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.877166] R10: 0000000020000280 R11: 0000000000000246 R12: 00007f43bac496d4 [ 61.884436] R13: 00000000004bdb6c R14: 00000000004cc9b0 R15: 00000000ffffffff [ 61.891701] ================================================================== [ 61.899055] Disabling lock debugging due to kernel taint [ 61.907811] Kernel panic - not syncing: panic_on_warn set ... [ 61.907882] kobject: 'loop4' (00000000a4140a62): kobject_uevent_env [ 61.913756] CPU: 0 PID: 10137 Comm: syz-executor5 Tainted: G B 4.20.0-rc1-next-20181109+ #109 [ 61.925381] kobject: 'loop4' (00000000a4140a62): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 61.930150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.930155] Call Trace: [ 61.930175] dump_stack+0x244/0x39d [ 61.930192] ? dump_stack_print_info.cold.1+0x20/0x20 [ 61.930213] panic+0x2ad/0x55c [ 61.930238] ? add_taint.cold.5+0x16/0x16 [ 61.967675] ? preempt_schedule+0x4d/0x60 [ 61.971833] ? ___preempt_schedule+0x16/0x18 [ 61.976242] ? trace_hardirqs_on+0xb4/0x310 [ 61.980567] kasan_end_report+0x47/0x4f [ 61.984527] kasan_report.cold.8+0x76/0x309 [ 61.988834] ? kthread_stop+0x108/0x8f0 [ 61.992807] check_memory_region+0x13e/0x1b0 [ 61.997215] kasan_check_write+0x14/0x20 [ 62.001288] kthread_stop+0x108/0x8f0 [ 62.005075] ? kthread_unpark+0x160/0x160 [ 62.009230] ? __lock_is_held+0xb5/0x140 [ 62.013334] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 62.018612] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 62.024132] ? _vb2_fop_release+0x3f/0x2b0 [ 62.028350] ? mutex_trylock+0x2b0/0x2b0 [ 62.032408] ? vivid_fop_release+0x66/0x440 [ 62.036739] ? __mutex_lock+0x85e/0x16f0 [ 62.040819] vid_cap_stop_streaming+0x8d/0xe0 [ 62.045314] ? vid_cap_buf_queue+0x310/0x310 [ 62.049725] __vb2_queue_cancel+0x171/0xd20 [ 62.054035] ? lock_downgrade+0x900/0x900 [ 62.058170] ? vb2_buffer_done+0xb80/0xb80 [ 62.062389] ? find_held_lock+0x36/0x1c0 [ 62.066439] ? mark_held_locks+0xc7/0x130 [ 62.070574] ? kasan_check_write+0x14/0x20 [ 62.074806] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 62.079747] ? kasan_check_read+0x11/0x20 [ 62.083930] ? wait_for_completion+0x8a0/0x8a0 [ 62.088514] ? trace_hardirqs_off_caller+0x300/0x300 [ 62.093603] ? ep_modify+0xc10/0xc10 [ 62.097303] vb2_core_streamoff+0x60/0x140 [ 62.101521] __vb2_cleanup_fileio+0x73/0x160 [ 62.105914] vb2_core_queue_release+0x1e/0x80 [ 62.110395] _vb2_fop_release+0x1d2/0x2b0 [ 62.114531] vb2_fop_release+0x77/0xc0 [ 62.118405] vivid_fop_release+0x18e/0x440 [ 62.122626] ? vivid_remove+0x460/0x460 [ 62.126586] v4l2_release+0x224/0x3a0 [ 62.130373] __fput+0x3bc/0xa70 [ 62.133655] ? dev_debug_store+0x140/0x140 [ 62.137885] ? get_max_files+0x20/0x20 [ 62.141768] ? trace_hardirqs_on+0xbd/0x310 [ 62.146076] ? kasan_check_read+0x11/0x20 [ 62.150209] ? task_work_run+0x1af/0x2a0 [ 62.154259] ? trace_hardirqs_off_caller+0x300/0x300 [ 62.159345] ? fput+0x130/0x1a0 [ 62.162616] ____fput+0x15/0x20 [ 62.165900] task_work_run+0x1e8/0x2a0 [ 62.169775] ? task_work_cancel+0x240/0x240 [ 62.174094] ? do_syscall_64+0x9a/0x820 [ 62.178067] exit_to_usermode_loop+0x318/0x380 [ 62.182643] ? __bpf_trace_sys_exit+0x30/0x30 [ 62.187128] do_syscall_64+0x6be/0x820 [ 62.191028] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 62.196383] ? syscall_return_slowpath+0x5e0/0x5e0 [ 62.201299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.206124] ? trace_hardirqs_on_caller+0x310/0x310 [ 62.211137] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 62.216154] ? prepare_exit_to_usermode+0x291/0x3b0 [ 62.221158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.225987] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.231160] RIP: 0033:0x457569 [ 62.234341] 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 [ 62.253240] RSP: 002b:00007f43bac48c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 62.260931] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000457569 [ 62.268182] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 62.275433] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.282687] R10: 0000000020000280 R11: 0000000000000246 R12: 00007f43bac496d4 [ 62.289944] R13: 00000000004bdb6c R14: 00000000004cc9b0 R15: 00000000ffffffff [ 62.298029] Kernel Offset: disabled [ 62.301650] Rebooting in 86400 seconds..