Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. 2018/11/08 17:57:06 parsed 1 programs 2018/11/08 17:57:08 executed programs: 0 [ 106.521914] IPVS: ftp: loaded support on port[0] = 21 [ 106.774942] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.782137] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.789160] device bridge_slave_0 entered promiscuous mode [ 106.810776] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.817186] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.824405] device bridge_slave_1 entered promiscuous mode [ 106.842622] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 106.861112] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 106.912317] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 106.932617] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 107.010628] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 107.017891] team0: Port device team_slave_0 added [ 107.034603] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 107.041908] team0: Port device team_slave_1 added [ 107.058691] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 107.077415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 107.097270] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 107.116138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 107.264403] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.270858] bridge0: port 2(bridge_slave_1) entered forwarding state [ 107.277654] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.284035] bridge0: port 1(bridge_slave_0) entered forwarding state [ 107.804646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 107.857539] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 107.909597] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 107.916018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 107.923872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 107.973403] 8021q: adding VLAN 0 to HW filter on device team0 2018/11/08 17:57:13 executed programs: 63 [ 114.823711] vivid-000: kernel_thread() failed [ 115.641705] ================================================================== [ 115.649266] BUG: KASAN: null-ptr-deref in kthread_stop+0x10d/0x900 [ 115.655576] Write of size 4 at addr 000000000000001c by task syz-executor0/6675 [ 115.663003] [ 115.664626] CPU: 1 PID: 6675 Comm: syz-executor0 Not tainted 4.20.0-rc1+ #325 [ 115.671892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.681241] Call Trace: [ 115.683826] dump_stack+0x244/0x39d [ 115.687532] ? dump_stack_print_info.cold.1+0x20/0x20 [ 115.692719] ? vprintk_func+0x85/0x181 [ 115.696601] kasan_report.cold.8+0x6d/0x309 [ 115.700915] ? kthread_stop+0x10d/0x900 [ 115.704885] check_memory_region+0x13e/0x1b0 [ 115.709304] kasan_check_write+0x14/0x20 [ 115.713380] kthread_stop+0x10d/0x900 [ 115.717182] ? kthread_unpark+0x160/0x160 [ 115.721329] ? __lock_is_held+0xb5/0x140 [ 115.725393] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 115.730663] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 115.736205] ? _vb2_fop_release+0x3f/0x2b0 [ 115.740440] ? mutex_trylock+0x2b0/0x2b0 [ 115.744488] ? vivid_fop_release+0x66/0x440 [ 115.748799] ? __mutex_lock+0x85e/0x16f0 [ 115.752860] vid_cap_stop_streaming+0x8d/0xe0 [ 115.757344] ? vid_cap_buf_queue+0x310/0x310 [ 115.761743] __vb2_queue_cancel+0x171/0xd20 [ 115.766073] ? lock_downgrade+0x900/0x900 [ 115.770228] ? vb2_buffer_done+0xb90/0xb90 [ 115.774467] ? find_held_lock+0x36/0x1c0 [ 115.778523] ? mark_held_locks+0xc7/0x130 [ 115.782668] ? kasan_check_write+0x14/0x20 [ 115.786901] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 115.791825] ? kasan_check_read+0x11/0x20 [ 115.795968] ? wait_for_completion+0x8a0/0x8a0 [ 115.800543] ? trace_hardirqs_off_caller+0x310/0x310 [ 115.805661] vb2_core_streamoff+0x60/0x140 [ 115.809907] __vb2_cleanup_fileio+0x73/0x160 [ 115.814308] vb2_core_queue_release+0x1e/0x80 [ 115.818795] _vb2_fop_release+0x1d2/0x2b0 [ 115.822934] vb2_fop_release+0x77/0xc0 [ 115.826816] vivid_fop_release+0x18e/0x440 [ 115.831041] ? vivid_remove+0x460/0x460 [ 115.835006] v4l2_release+0x224/0x3a0 [ 115.838795] ? dev_debug_store+0x140/0x140 [ 115.843023] __fput+0x385/0xa30 [ 115.846296] ? get_max_files+0x20/0x20 [ 115.850195] ? trace_hardirqs_on+0xbd/0x310 [ 115.854522] ? kasan_check_read+0x11/0x20 [ 115.858682] ? task_work_run+0x1af/0x2a0 [ 115.862749] ? trace_hardirqs_off_caller+0x310/0x310 [ 115.867843] ? rcu_softirq_qs+0x20/0x20 [ 115.871807] ? unwind_dump+0x190/0x190 [ 115.875694] ____fput+0x15/0x20 [ 115.878964] task_work_run+0x1e8/0x2a0 [ 115.882847] ? task_work_cancel+0x240/0x240 [ 115.887160] ? __fget+0x4aa/0x740 [ 115.890630] get_signal+0x1558/0x1980 [ 115.894426] ? find_held_lock+0x36/0x1c0 [ 115.898527] ? ptrace_notify+0x130/0x130 [ 115.902586] ? compat_poll_select_copy_remaining+0x6c0/0x6c0 [ 115.908414] ? pvclock_read_flags+0x160/0x160 [ 115.912912] ? poll_select_set_timeout+0x19a/0x240 [ 115.917848] ? trace_hardirqs_off_caller+0x310/0x310 [ 115.922956] do_signal+0x9c/0x21c0 [ 115.926490] ? timespec64_add_safe+0x204/0x2f0 [ 115.931063] ? nsec_to_clock_t+0x30/0x30 [ 115.935114] ? setup_sigcontext+0x7d0/0x7d0 [ 115.939430] ? exit_to_usermode_loop+0x8c/0x380 [ 115.944088] ? exit_to_usermode_loop+0x8c/0x380 [ 115.948764] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 115.953339] ? trace_hardirqs_on+0xbd/0x310 [ 115.957652] ? do_syscall_64+0x6be/0x820 [ 115.961705] ? trace_hardirqs_off_caller+0x310/0x310 [ 115.966797] ? do_restart_poll+0x2e0/0x2e0 [ 115.971017] ? nsecs_to_jiffies+0x30/0x30 [ 115.975154] ? do_syscall_64+0x9a/0x820 [ 115.979127] ? do_syscall_64+0x9a/0x820 [ 115.983092] exit_to_usermode_loop+0x2e5/0x380 [ 115.987663] ? __bpf_trace_sys_exit+0x30/0x30 [ 115.992152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 115.997698] do_syscall_64+0x6be/0x820 [ 116.001587] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 116.006954] ? syscall_return_slowpath+0x5e0/0x5e0 [ 116.011874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.016709] ? trace_hardirqs_on_caller+0x310/0x310 [ 116.021719] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 116.026728] ? prepare_exit_to_usermode+0x291/0x3b0 [ 116.031743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.036582] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.041762] RIP: 0033:0x457569 [ 116.044945] 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 [ 116.063844] RSP: 002b:00007f94cedeec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 116.071543] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000457569 [ 116.078800] RDX: 0000000000010001 RSI: 0000000000000001 RDI: 00000000200003c0 [ 116.086058] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 116.093315] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f94cedef6d4 [ 116.100571] R13: 00000000004c325e R14: 00000000004d4e10 R15: 00000000ffffffff [ 116.107836] ================================================================== [ 116.115185] Disabling lock debugging due to kernel taint [ 116.121337] Kernel panic - not syncing: panic_on_warn set ... [ 116.127248] CPU: 0 PID: 6675 Comm: syz-executor0 Tainted: G B 4.20.0-rc1+ #325 [ 116.135895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.145232] Call Trace: [ 116.147813] dump_stack+0x244/0x39d [ 116.151430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 116.156612] panic+0x2ad/0x55c [ 116.159788] ? add_taint.cold.5+0x16/0x16 [ 116.163925] ? preempt_schedule+0x4d/0x60 [ 116.168063] ? ___preempt_schedule+0x16/0x18 [ 116.172461] ? trace_hardirqs_on+0xb4/0x310 [ 116.176772] kasan_end_report+0x47/0x4f [ 116.180774] kasan_report.cold.8+0x76/0x309 [ 116.185085] ? kthread_stop+0x10d/0x900 [ 116.189047] check_memory_region+0x13e/0x1b0 [ 116.193464] kasan_check_write+0x14/0x20 [ 116.197514] kthread_stop+0x10d/0x900 [ 116.201308] ? kthread_unpark+0x160/0x160 [ 116.205462] ? __lock_is_held+0xb5/0x140 [ 116.209562] vivid_stop_generating_vid_cap+0x2bb/0x9ae [ 116.214829] ? vivid_start_generating_vid_cap+0x4c0/0x4c0 [ 116.220369] ? _vb2_fop_release+0x3f/0x2b0 [ 116.224596] ? mutex_trylock+0x2b0/0x2b0 [ 116.228640] ? vivid_fop_release+0x66/0x440 [ 116.232949] ? __mutex_lock+0x85e/0x16f0 [ 116.237003] vid_cap_stop_streaming+0x8d/0xe0 [ 116.241486] ? vid_cap_buf_queue+0x310/0x310 [ 116.245882] __vb2_queue_cancel+0x171/0xd20 [ 116.250208] ? lock_downgrade+0x900/0x900 [ 116.254344] ? vb2_buffer_done+0xb90/0xb90 [ 116.258565] ? find_held_lock+0x36/0x1c0 [ 116.262629] ? mark_held_locks+0xc7/0x130 [ 116.266783] ? kasan_check_write+0x14/0x20 [ 116.271007] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 116.275940] ? kasan_check_read+0x11/0x20 [ 116.280074] ? wait_for_completion+0x8a0/0x8a0 [ 116.284661] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.289757] vb2_core_streamoff+0x60/0x140 [ 116.293994] __vb2_cleanup_fileio+0x73/0x160 [ 116.298390] vb2_core_queue_release+0x1e/0x80 [ 116.302873] _vb2_fop_release+0x1d2/0x2b0 [ 116.307010] vb2_fop_release+0x77/0xc0 [ 116.310886] vivid_fop_release+0x18e/0x440 [ 116.315106] ? vivid_remove+0x460/0x460 [ 116.319068] v4l2_release+0x224/0x3a0 [ 116.322855] ? dev_debug_store+0x140/0x140 [ 116.327078] __fput+0x385/0xa30 [ 116.330345] ? get_max_files+0x20/0x20 [ 116.334221] ? trace_hardirqs_on+0xbd/0x310 [ 116.338550] ? kasan_check_read+0x11/0x20 [ 116.342689] ? task_work_run+0x1af/0x2a0 [ 116.346738] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.351841] ? rcu_softirq_qs+0x20/0x20 [ 116.355804] ? unwind_dump+0x190/0x190 [ 116.359680] ____fput+0x15/0x20 [ 116.362950] task_work_run+0x1e8/0x2a0 [ 116.366825] ? task_work_cancel+0x240/0x240 [ 116.371135] ? __fget+0x4aa/0x740 [ 116.374572] get_signal+0x1558/0x1980 [ 116.378362] ? find_held_lock+0x36/0x1c0 [ 116.382636] ? ptrace_notify+0x130/0x130 [ 116.386692] ? compat_poll_select_copy_remaining+0x6c0/0x6c0 [ 116.392497] ? pvclock_read_flags+0x160/0x160 [ 116.396979] ? poll_select_set_timeout+0x19a/0x240 [ 116.401897] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.406988] do_signal+0x9c/0x21c0 [ 116.410521] ? timespec64_add_safe+0x204/0x2f0 [ 116.415090] ? nsec_to_clock_t+0x30/0x30 [ 116.419138] ? setup_sigcontext+0x7d0/0x7d0 [ 116.423453] ? exit_to_usermode_loop+0x8c/0x380 [ 116.428110] ? exit_to_usermode_loop+0x8c/0x380 [ 116.432771] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 116.437344] ? trace_hardirqs_on+0xbd/0x310 [ 116.441655] ? do_syscall_64+0x6be/0x820 [ 116.445703] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.450796] ? do_restart_poll+0x2e0/0x2e0 [ 116.455019] ? nsecs_to_jiffies+0x30/0x30 [ 116.459158] ? do_syscall_64+0x9a/0x820 [ 116.463130] ? do_syscall_64+0x9a/0x820 [ 116.467091] exit_to_usermode_loop+0x2e5/0x380 [ 116.471659] ? __bpf_trace_sys_exit+0x30/0x30 [ 116.476152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 116.481691] do_syscall_64+0x6be/0x820 [ 116.485574] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 116.490926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 116.495841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.500672] ? trace_hardirqs_on_caller+0x310/0x310 [ 116.505677] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 116.510684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 116.515692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.520529] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.525707] RIP: 0033:0x457569 [ 116.528890] 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 [ 116.547803] RSP: 002b:00007f94cedeec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 116.555503] RAX: 0000000000000001 RBX: 0000000000000003 RCX: 0000000000457569 [ 116.562759] RDX: 0000000000010001 RSI: 0000000000000001 RDI: 00000000200003c0 [ 116.570027] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 116.577299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f94cedef6d4 [ 116.584556] R13: 00000000004c325e R14: 00000000004d4e10 R15: 00000000ffffffff [ 116.592917] Kernel Offset: disabled [ 116.596560] Rebooting in 86400 seconds..