Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts.
2019/11/17 03:14:12 fuzzer started
2019/11/17 03:14:14 dialing manager at 10.128.0.105:34521
2019/11/17 03:14:15 syscalls: 2566
2019/11/17 03:14:15 code coverage: enabled
2019/11/17 03:14:15 comparison tracing: enabled
2019/11/17 03:14:15 extra coverage: extra coverage is not supported by the kernel
2019/11/17 03:14:15 setuid sandbox: enabled
2019/11/17 03:14:15 namespace sandbox: enabled
2019/11/17 03:14:15 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/17 03:14:15 fault injection: enabled
2019/11/17 03:14:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/17 03:14:15 net packet injection: enabled
2019/11/17 03:14:15 net device setup: enabled
2019/11/17 03:14:15 concurrency sanitizer: enabled
2019/11/17 03:14:15 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [ 76.166901][ T7688] KCSAN: could not find function: 'poll_schedule_timeout'
2019/11/17 03:14:35 adding functions to KCSAN blacklist: 'virtqueue_disable_cb' 'kcm_ioctl' 'n_tty_receive_buf_common' '__lru_cache_add' 'ext4_writepages' 'common_perm_cond' '__rb_insert_augmented' 'mm_update_next_owner' 'echo_char' 'snd_seq_check_queue' 'xprt_connect' 'dput' 'pipe_double_lock' 'evict' 'pipe_poll' 'ep_poll' 'ext4_ext_insert_extent' 'yama_ptracer_del' 'l2tp_tunnel_del_work' 'xas_clear_mark' 'rcu_gp_fqs_check_wake' 'generic_fillattr' 'do_exit' 'copy_process' 'ext4_free_inode' 'list_lru_count_one' 'vti_tunnel_xmit' '__find_get_block' 'kvm_mmu_notifier_invalidate_range_end' 'generic_write_end' '__rb_erase_color' '__process_echoes' '__blk_queue_split' 'find_next_bit' '__add_to_page_cache_locked' '__filemap_fdatawrite_range' 'tomoyo_supervisor' '__delete_from_page_cache' 'dd_has_work' 'd_delete' 'balance_dirty_pages' 'snd_seq_prioq_cell_out' 'fsnotify' 'ext4_nonda_switch' 'tick_do_update_jiffies64' 'mem_cgroup_select_victim_node' 'wbt_issue' 'ktime_get_seconds' 'xas_find_marked' 'ext4_mark_iloc_dirty' '__get_user_pages' '__put_unused_fd' 'tick_sched_do_timer' 'ext4_da_write_end' '__remove_assoc_queue' 'tick_nohz_idle_stop_tick' 'blk_mq_run_hw_queue' 'ktime_get_real_seconds' 'page_counter_try_charge' 'tick_nohz_next_event' 'pid_update_inode' 'do_syslog' 'wbc_detach_inode' 'relay_switch_subbuf' 'ptrace_check_attach' 'process_srcu' 'audit_log_start' '__mark_inode_dirty' 'blk_stat_add' 'ext4_itable_unused_count' 'ext4_has_free_clusters' 'taskstats_exit' 'vm_area_dup' 'futex_wait_queue_me' 'rcu_gp_fqs_loop' 'br_handle_frame_finish' 'shmem_file_read_iter' 'run_timer_softirq' 'blk_mq_sched_dispatch_requests' 'atime_needs_update' 'do_signal_stop' '__neigh_event_send' 'ipip_tunnel_xmit' 'ext4_free_inodes_count' 'do_wait' '__dev_queue_xmit' 'ext4_mb_find_by_goal' 'pipe_wait' 'poll_schedule_timeout' 'wbt_done' 'fprop_fraction_percpu' 'shmem_add_to_page_cache' 'generic_file_read_iter' 'p9_poll_workfn' 'sctp_assoc_migrate' 'lruvec_lru_size' 'inode_permission' 'tcp_add_backlog' 'kauditd_thread' '__skb_try_recv_from_queue' 'commit_echoes' '__hrtimer_run_queues' 'mod_timer' 'inactive_list_is_low' 'blk_mq_get_request' 'do_readlinkat' 'ip_tunnel_xmit' '__ext4_new_inode' 'add_timer' 'pcpu_alloc' 'blk_mq_dispatch_rq_list' 'filemap_map_pages' '__snd_rawmidi_transmit_ack' 'sit_tunnel_xmit' 'do_nanosleep' 'find_get_pages_range_tag' 'timer_clear_idle' '__perf_event_overflow'
[ 325.131008][ C0] ==================================================================
[ 325.139310][ C0] BUG: KCSAN: data-race in virtqueue_enable_cb_delayed / virtqueue_enable_cb_prepare
[ 325.148761][ C0]
[ 325.151086][ C0] read to 0xffff88821aaf92b0 of 2 bytes by interrupt on cpu 1:
[ 325.158626][ C0] virtqueue_enable_cb_delayed+0x1dc/0x4d0
[ 325.164427][ C0] start_xmit+0xb0f/0xbe0
[ 325.168767][ C0] dev_hard_start_xmit+0xef/0x430
[ 325.173911][ C0] sch_direct_xmit+0x2b3/0x900
[ 325.178802][ C0] __dev_queue_xmit+0x19a3/0x1b40
[ 325.183935][ C0] dev_queue_xmit+0x21/0x30
[ 325.188447][ C0] ip_finish_output2+0x836/0xe40
[ 325.193395][ C0] __ip_finish_output+0x23a/0x490
[ 325.198446][ C0] ip_finish_output+0x41/0x160
[ 325.203305][ C0] ip_output+0xdf/0x210
[ 325.207464][ C0] ip_local_out+0x74/0x90
[ 325.211815][ C0] __ip_queue_xmit+0x3a8/0xa40
[ 325.216848][ C0] ip_queue_xmit+0x45/0x60
[ 325.221261][ C0] __tcp_transmit_skb+0xe81/0x1d60
[ 325.226359][ C0] __tcp_send_ack+0x246/0x300
[ 325.231028][ C0] tcp_send_ack+0x34/0x40
[ 325.235347][ C0] __tcp_ack_snd_check+0xd9/0x4f0
[ 325.240358][ C0] tcp_rcv_established+0xce9/0xf50
[ 325.245472][ C0] tcp_v4_do_rcv+0x3b5/0x520
[ 325.250087][ C0] tcp_v4_rcv+0x19ec/0x1bd0
[ 325.254584][ C0] ip_protocol_deliver_rcu+0x4d/0x420
[ 325.259969][ C0] ip_local_deliver_finish+0x110/0x140
[ 325.265460][ C0] ip_local_deliver+0x133/0x210
[ 325.270321][ C0] ip_rcv_finish+0x121/0x160
[ 325.274895][ C0] ip_rcv+0x18f/0x1a0
[ 325.278858][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 325.284559][ C0] __netif_receive_skb+0x37/0xf0
[ 325.289498][ C0] netif_receive_skb_internal+0x59/0x190
[ 325.295125][ C0] napi_gro_receive+0x28f/0x330
[ 325.299988][ C0] receive_buf+0x284/0x30b0
[ 325.304481][ C0] virtnet_poll+0x436/0x7d0
[ 325.308973][ C0] net_rx_action+0x3ae/0xa90
[ 325.313560][ C0] __do_softirq+0x115/0x33f
[ 325.318065][ C0] irq_exit+0xbb/0xe0
[ 325.322093][ C0] do_IRQ+0x81/0x130
[ 325.325973][ C0] ret_from_intr+0x0/0x19
[ 325.330285][ C0] native_safe_halt+0xe/0x10
[ 325.334908][ C0] arch_cpu_idle+0xa/0x10
[ 325.339226][ C0] default_idle_call+0x1e/0x40
[ 325.343977][ C0] do_idle+0x1af/0x280
[ 325.348140][ C0] cpu_startup_entry+0x1b/0x20
[ 325.353121][ C0] start_secondary+0x168/0x1b0
[ 325.357886][ C0] secondary_startup_64+0xa4/0xb0
[ 325.362895][ C0]
[ 325.365250][ C0] write to 0xffff88821aaf92b0 of 2 bytes by interrupt on cpu 0:
[ 325.373111][ C0] virtqueue_enable_cb_prepare+0x1ce/0x2b0
[ 325.378929][ C0] virtqueue_napi_complete+0x2c/0xa0
[ 325.384223][ C0] virtnet_poll_tx+0x15f/0x1d0
[ 325.388981][ C0] net_rx_action+0x3ae/0xa90
[ 325.393589][ C0] __do_softirq+0x115/0x33f
[ 325.398079][ C0] irq_exit+0xbb/0xe0
[ 325.402139][ C0] do_IRQ+0x81/0x130
[ 325.406039][ C0] ret_from_intr+0x0/0x19
[ 325.410374][ C0] native_safe_halt+0xe/0x10
[ 325.414958][ C0] arch_cpu_idle+0xa/0x10
[ 325.419268][ C0] default_idle_call+0x1e/0x40
[ 325.424018][ C0] do_idle+0x1af/0x280
[ 325.428070][ C0] cpu_startup_entry+0x1b/0x20
[ 325.433089][ C0] rest_init+0xec/0xf6
[ 325.437152][ C0] arch_call_rest_init+0x17/0x37
[ 325.442096][ C0] start_kernel+0x838/0x85e
[ 325.446588][ C0] x86_64_start_reservations+0x29/0x2b
[ 325.452038][ C0] x86_64_start_kernel+0x72/0x76
[ 325.456974][ C0] secondary_startup_64+0xa4/0xb0
[ 325.461972][ C0]
[ 325.464292][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 325.470431][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc7+ #0
[ 325.477557][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 325.487608][ C0] ==================================================================
[ 325.495659][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 325.502247][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc7+ #0
[ 325.509355][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 325.519554][ C0] Call Trace:
[ 325.522841][ C0]
[ 325.525762][ C0] dump_stack+0x11d/0x181
[ 325.530137][ C0] panic+0x210/0x640
[ 325.534049][ C0] ? vprintk_func+0x8d/0x140
[ 325.538652][ C0] kcsan_report.cold+0xc/0xd
[ 325.543355][ C0] kcsan_setup_watchpoint+0x3fe/0x460
[ 325.548739][ C0] __tsan_unaligned_write2+0xc4/0x100
[ 325.554258][ C0] virtqueue_enable_cb_prepare+0x1ce/0x2b0
[ 325.560164][ C0] virtqueue_napi_complete+0x2c/0xa0
[ 325.565460][ C0] virtnet_poll_tx+0x15f/0x1d0
[ 325.570229][ C0] net_rx_action+0x3ae/0xa90
[ 325.574872][ C0] __do_softirq+0x115/0x33f
[ 325.579395][ C0] irq_exit+0xbb/0xe0
[ 325.583388][ C0] do_IRQ+0x81/0x130
[ 325.587297][ C0] common_interrupt+0xf/0xf
[ 325.591819][ C0]
[ 325.594761][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 325.600234][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d fc c9 48 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d ec c9 48 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 82 89 9f fc e8 8d 30 b5 fd 0f
[ 325.619842][ C0] RSP: 0018:ffffffff85a03df8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffd6
[ 325.628350][ C0] RAX: 0000000000000000 RBX: ffffffff85a2b780 RCX: ffffffff824edc99
[ 325.636328][ C0] RDX: 0000000000000000 RSI: ffffffff824edca7 RDI: 0000000000000005
[ 325.644306][ C0] RBP: ffffffff85a03e18 R08: ffffffff85a2b780 R09: 0000ffff857d1160
[ 325.652283][ C0] R10: 00000000000b3000 R11: 0000ffff857d1167 R12: 0000000000000000
[ 325.660430][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 325.668440][ C0] ? debug_smp_processor_id+0x39/0x172
[ 325.673906][ C0] ? debug_smp_processor_id+0x47/0x172
[ 325.679455][ C0] ? default_idle+0x26/0x180
[ 325.684054][ C0] arch_cpu_idle+0xa/0x10
[ 325.688388][ C0] default_idle_call+0x1e/0x40
[ 325.693179][ C0] do_idle+0x1af/0x280
[ 325.697252][ C0] cpu_startup_entry+0x1b/0x20
[ 325.702017][ C0] rest_init+0xec/0xf6
[ 325.706106][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4
[ 325.713303][ C0] arch_call_rest_init+0x17/0x37
[ 325.718244][ C0] start_kernel+0x838/0x85e
[ 325.722751][ C0] x86_64_start_reservations+0x29/0x2b
[ 325.728209][ C0] x86_64_start_kernel+0x72/0x76
[ 325.733166][ C0] secondary_startup_64+0xa4/0xb0
[ 325.739650][ C0] Kernel Offset: disabled
[ 325.743987][ C0] Rebooting in 86400 seconds..