Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
2020/01/12 15:14:12 fuzzer started
2020/01/12 15:14:14 dialing manager at 10.128.0.105:36121
2020/01/12 15:14:14 syscalls: 2814
2020/01/12 15:14:14 code coverage: enabled
2020/01/12 15:14:14 comparison tracing: enabled
2020/01/12 15:14:14 extra coverage: enabled
2020/01/12 15:14:14 setuid sandbox: enabled
2020/01/12 15:14:14 namespace sandbox: enabled
2020/01/12 15:14:14 Android sandbox: /sys/fs/selinux/policy does not exist
2020/01/12 15:14:14 fault injection: enabled
2020/01/12 15:14:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/01/12 15:14:14 net packet injection: enabled
2020/01/12 15:14:14 net device setup: enabled
2020/01/12 15:14:14 concurrency sanitizer: enabled
2020/01/12 15:14:14 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   66.911890][ T7922] KCSAN: could not find function: 'poll_schedule_timeout'
2020/01/12 15:14:25 adding functions to KCSAN blacklist: 'tomoyo_supervisor' 'add_timer' 'do_signal_stop' 'page_counter_try_charge' 'dccp_rcv_reset' '__snd_rawmidi_transmit_ack' '__skb_try_recv_from_queue' 'handle_mm_fault' '__hrtimer_run_queues' 'pcpu_alloc' 'do_syslog' 'atime_needs_update' 'run_timer_softirq' '__rb_erase_color' 'do_exit' 'wbt_issue' 'vfs_fsync_range' 'find_get_pages_range_tag' 'alloc_empty_file' 'alloc_pid' 'process_srcu' 'tick_nohz_idle_stop_tick' 'blk_mq_free_request' 'rcu_gp_fqs_check_wake' 'mod_timer' 'copy_process' 'futex_wait_queue_me' 'other_inode_match' '__ext4_new_inode' 'l2tp_tunnel_del_work' 'commit_echoes' 'poll_schedule_timeout' 'taskstats_exit' 'xprt_clear_locked' 'ext4_free_inode' 'xas_find_marked' 'mm_update_next_owner' '__perf_event_overflow' '__mark_inode_dirty' 'generic_file_read_iter' '__delete_from_page_cache' 'find_next_bit' 'vm_area_dup' 'blk_mq_run_hw_queue' 'kauditd_thread' 'common_perm_cond' 'ktime_get_real_seconds' 'iptunnel_xmit' 'tick_sched_do_timer' 'pid_update_inode' 'ext4_writepages' 'iomap_dio_bio_actor' 'dd_has_work' 'xas_clear_mark' 'do_nanosleep' 'ext4_nonda_switch' 'dput' 'blk_mq_dispatch_rq_list' 'audit_log_start' 'blk_mq_get_request' 'tick_do_update_jiffies64' 'blk_mq_sched_dispatch_requests' 'ext4_mark_iloc_dirty' 'ext4_mb_good_group' 'ep_poll' 'generic_write_end' 'ext4_free_inodes_count' 'generic_fillattr' 'ext4_has_free_clusters' 
[  162.842388][    T0] ==================================================================
[  162.850573][    T0] BUG: KCSAN: data-race in add_timer_on / timer_clear_idle
[  162.857763][    T0] 
[  162.860098][    T0] read to 0xffff88812c11daa4 of 1 bytes by interrupt on cpu 0:
[  162.867654][    T0]  add_timer_on+0x20e/0x2d0
[  162.872170][    T0]  clocksource_watchdog+0x63f/0x760
[  162.877374][    T0]  call_timer_fn+0x5f/0x2f0
[  162.881887][    T0]  run_timer_softirq+0xc0c/0xcd0
[  162.886832][    T0]  __do_softirq+0x115/0x33f
[  162.891342][    T0]  run_ksoftirqd+0x46/0x60
[  162.895762][    T0]  smpboot_thread_fn+0x37d/0x4a0
[  162.900711][    T0]  kthread+0x1d4/0x200
[  162.904917][    T0]  ret_from_fork+0x1f/0x30
[  162.909325][    T0] 
[  162.911660][    T0] write to 0xffff88812c11daa4 of 1 bytes by task 0 on cpu 1:
[  162.919041][    T0]  timer_clear_idle+0x42/0x50
[  162.923727][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[  162.929632][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[  162.934743][    T0]  do_idle+0xb1/0x290
[  162.938708][    T0]  cpu_startup_entry+0x1b/0x20
[  162.943468][    T0]  start_secondary+0x168/0x1b0
[  162.948219][    T0]  secondary_startup_64+0xa4/0xb0
[  162.954100][    T0] 
[  162.956410][    T0] Reported by Kernel Concurrency Sanitizer on:
[  162.962654][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc1-syzkaller #0
[  162.970536][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  162.980577][    T0] ==================================================================
[  162.988622][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  162.995217][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc1-syzkaller #0
[  163.003083][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  163.013127][    T0] Call Trace:
[  163.016412][    T0]  dump_stack+0x11d/0x181
[  163.020737][    T0]  panic+0x210/0x640
[  163.024620][    T0]  ? vprintk_func+0x8d/0x140
[  163.029315][    T0]  kcsan_report.cold+0xc/0xd
[  163.033894][    T0]  kcsan_setup_watchpoint+0x3fe/0x460
[  163.039249][    T0]  __tsan_unaligned_write1+0xc3/0x100
[  163.044606][    T0]  timer_clear_idle+0x42/0x50
[  163.049293][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[  163.055170][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[  163.060392][    T0]  do_idle+0xb1/0x290
[  163.064363][    T0]  ? debug_smp_processor_id+0x3e/0x137
[  163.069814][    T0]  cpu_startup_entry+0x1b/0x20
[  163.074567][    T0]  start_secondary+0x168/0x1b0
[  163.079314][    T0]  secondary_startup_64+0xa4/0xb0
[  163.085589][    T0] Kernel Offset: disabled
[  163.089917][    T0] Rebooting in 86400 seconds..