Warning: Permanently added '10.128.0.164' (ECDSA) to the list of known hosts. 2019/11/10 13:57:53 fuzzer started 2019/11/10 13:57:55 dialing manager at 10.128.0.105:33901 2019/11/10 13:57:55 syscalls: 2553 2019/11/10 13:57:55 code coverage: enabled 2019/11/10 13:57:55 comparison tracing: enabled 2019/11/10 13:57:55 extra coverage: extra coverage is not supported by the kernel 2019/11/10 13:57:55 setuid sandbox: enabled 2019/11/10 13:57:55 namespace sandbox: enabled 2019/11/10 13:57:55 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/10 13:57:55 fault injection: enabled 2019/11/10 13:57:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/10 13:57:55 net packet injection: enabled 2019/11/10 13:57:55 net device setup: enabled 2019/11/10 13:57:55 concurrency sanitizer: enabled 2019/11/10 13:57:55 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 74.661616][ T8072] KCSAN: could not find function: 'poll_schedule_timeout' 2019/11/10 13:58:12 adding functions to KCSAN blacklist: 'generic_write_end' 'blk_mq_get_request' 'shmem_file_read_iter' 'bio_endio' 'ext4_nonda_switch' 'pcpu_alloc' 'osq_lock' 'watchdog' 'wbc_detach_inode' 'xas_clear_mark' 'tick_sched_do_timer' 'blk_mq_run_hw_queue' 'rcu_gp_fqs_loop' 'ext4_mb_good_group' 'list_lru_count_one' 'fsnotify' '__ext4_new_inode' 'ep_poll' 'd_instantiate_new' 'do_syslog' 'snd_seq_prioq_cell_out' 'alloc_empty_file' 'echo_char' '__dev_queue_xmit' 'balance_dirty_pages' 'snd_seq_check_queue' 'pipe_poll' 'ktime_get_seconds' 'find_get_pages_range_tag' 'timer_clear_idle' 'fasync_remove_entry' 'lookup_fast' 'ktime_get_ts64' 'do_mmap' '__dentry_kill' 'evict' 'do_readlinkat' 'inactive_list_is_low' 'add_timer' 'shmem_getpage_gfp' 'run_timer_softirq' 'ksys_read' 'ext4_free_inode' 'xas_find_marked' 'queue_access_lock' 'blk_mq_dispatch_rq_list' 'complete_signal' 'wbt_issue' 'vm_area_dup' 'ext4_has_free_clusters' 'commit_echoes' 'tomoyo_supervisor' 'taskstats_exit' 'process_srcu' 'do_exit' 'audit_log_start' 'snd_seq_timer_get_cur_tick' 'blk_stat_add' 'find_next_bit' 'futex_wait_queue_me' 'ext4_mb_find_by_goal' '__add_to_page_cache_locked' 'tick_nohz_idle_stop_tick' 'do_mpage_readpage' 'tick_do_update_jiffies64' 'ext4_mark_iloc_dirty' 'icmp_global_allow' 'copy_process' '__alloc_file' 'snd_ctl_notify' 'page_counter_charge' 'generic_file_read_iter' 'ext4_free_inodes_count' 'rcu_gp_fqs_check_wake' 'kauditd_thread' 'kvm_arch_vcpu_load' 'ip_finish_output2' '__hrtimer_run_queues' 'poll_schedule_timeout' 'blk_mq_sched_dispatch_requests' 'p9_poll_workfn' 'ext4_da_write_end' 'tcp_add_backlog' 'do_wait' 'do_nanosleep' 'ktime_get_real_seconds' 'mm_update_next_owner' 'dnotify_flush' '__delete_from_page_cache' 'generic_permission' 'lruvec_lru_size' 'pid_update_inode' 'pipe_wait' 'yama_ptracer_del' 'fib6_ifup' 'n_tty_receive_buf_common' '__snd_rawmidi_transmit_ack' '__perf_event_overflow' 'generic_fillattr' 'task_dump_owner' 'free_pid' 'percpu_counter_add_batch' 'mod_timer' 'inet_putpeer' 'sit_tunnel_xmit' 'mem_cgroup_select_victim_node' 'dd_has_work' '__blk_queue_split' 'generic_update_time' '__find_get_block' 'writeback_sb_inodes' [ 89.034451][ C1] ================================================================== [ 89.042968][ C1] BUG: KCSAN: data-race in ktime_get_with_offset / timekeeping_advance [ 89.051179][ C1] [ 89.053505][ C1] write to 0xffffffff86041b08 of 280 bytes by interrupt on cpu 0: [ 89.062247][ C1] timekeeping_advance+0x88e/0xd80 [ 89.067381][ C1] update_wall_time+0x19/0x20 [ 89.072053][ C1] tick_do_update_jiffies64+0x1a4/0x250 [ 89.077585][ C1] tick_sched_do_timer+0xd4/0xe0 [ 89.082505][ C1] tick_sched_timer+0x43/0xe0 [ 89.087192][ C1] __hrtimer_run_queues+0x274/0x5f0 [ 89.092378][ C1] hrtimer_interrupt+0x22a/0x480 [ 89.097345][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 89.102789][ C1] apic_timer_interrupt+0xf/0x20 [ 89.107715][ C1] kcsan_setup_watchpoint+0x205/0x410 [ 89.113064][ C1] __tsan_read4+0x145/0x1f0 [ 89.117594][ C1] __skb_datagram_iter+0x280/0x460 [ 89.122686][ C1] skb_copy_datagram_iter+0x66/0x170 [ 89.127951][ C1] tcp_recvmsg+0x1169/0x1b40 [ 89.132522][ C1] inet_recvmsg+0xbb/0x250 [ 89.136922][ C1] sock_recvmsg+0x92/0xb0 [ 89.141236][ C1] sock_read_iter+0x15f/0x1e0 [ 89.145895][ C1] new_sync_read+0x389/0x4f0 [ 89.150464][ C1] __vfs_read+0xb1/0xc0 [ 89.154603][ C1] vfs_read+0x143/0x2c0 [ 89.158766][ C1] ksys_read+0xd5/0x1b0 [ 89.162903][ C1] __x64_sys_read+0x4c/0x60 [ 89.167400][ C1] do_syscall_64+0xcc/0x370 [ 89.171895][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 89.177759][ C1] [ 89.180073][ C1] read to 0xffffffff86041b24 of 4 bytes by interrupt on cpu 1: [ 89.187594][ C1] ktime_get_with_offset+0x14d/0x230 [ 89.192867][ C1] netif_receive_skb_internal+0x13e/0x190 [ 89.198567][ C1] napi_gro_receive+0x28f/0x330 [ 89.203406][ C1] receive_buf+0x284/0x30b0 [ 89.207886][ C1] virtnet_poll+0x436/0x7d0 [ 89.212368][ C1] net_rx_action+0x3ae/0xa90 [ 89.216964][ C1] __do_softirq+0x115/0x33f [ 89.222413][ C1] run_ksoftirqd+0x46/0x60 [ 89.226852][ C1] smpboot_thread_fn+0x37d/0x4a0 [ 89.231770][ C1] kthread+0x1d4/0x200 [ 89.235825][ C1] ret_from_fork+0x1f/0x30 [ 89.240217][ C1] [ 89.242524][ C1] Reported by Kernel Concurrency Sanitizer on: [ 89.248659][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc6+ #0 [ 89.256003][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.266037][ C1] ================================================================== [ 89.274075][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 89.280644][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc6+ #0 [ 89.287987][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.298031][ C1] Call Trace: [ 89.301311][ C1] dump_stack+0xf5/0x159 [ 89.305535][ C1] panic+0x210/0x640 [ 89.309419][ C1] ? vprintk_func+0x8d/0x140 [ 89.314438][ C1] kcsan_report.cold+0xc/0xe [ 89.319012][ C1] kcsan_setup_watchpoint+0x3fe/0x410 [ 89.324404][ C1] __tsan_read4+0x145/0x1f0 [ 89.328903][ C1] ktime_get_with_offset+0x14d/0x230 [ 89.334186][ C1] netif_receive_skb_internal+0x13e/0x190 [ 89.340855][ C1] napi_gro_receive+0x28f/0x330 [ 89.345695][ C1] receive_buf+0x284/0x30b0 [ 89.350220][ C1] ? __const_udelay+0x36/0x40 [ 89.354908][ C1] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 89.361490][ C1] ? virtqueue_get_buf+0x31/0x40 [ 89.366414][ C1] virtnet_poll+0x436/0x7d0 [ 89.370913][ C1] net_rx_action+0x3ae/0xa90 [ 89.375495][ C1] __do_softirq+0x115/0x33f [ 89.379985][ C1] ? takeover_tasklets+0x250/0x250 [ 89.385078][ C1] run_ksoftirqd+0x46/0x60 [ 89.389475][ C1] smpboot_thread_fn+0x37d/0x4a0 [ 89.394398][ C1] kthread+0x1d4/0x200 [ 89.398460][ C1] ? constant_test_bit.constprop.0+0x30/0x30 [ 89.404430][ C1] ? kthread_stop+0x2d0/0x2d0 [ 89.409091][ C1] ret_from_fork+0x1f/0x30 [ 89.414929][ C1] Kernel Offset: disabled [ 89.419688][ C1] Rebooting in 86400 seconds..