Warning: Permanently added '10.128.15.229' (ECDSA) to the list of known hosts.
2019/12/01 06:57:55 fuzzer started
2019/12/01 06:57:56 dialing manager at 10.128.0.105:36521
2019/12/01 06:57:56 syscalls: 2592
2019/12/01 06:57:56 code coverage: enabled
2019/12/01 06:57:56 comparison tracing: enabled
2019/12/01 06:57:56 extra coverage: extra coverage is not supported by the kernel
2019/12/01 06:57:56 setuid sandbox: enabled
2019/12/01 06:57:56 namespace sandbox: enabled
2019/12/01 06:57:56 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/01 06:57:56 fault injection: enabled
2019/12/01 06:57:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/01 06:57:56 net packet injection: enabled
2019/12/01 06:57:56 net device setup: enabled
2019/12/01 06:57:56 concurrency sanitizer: enabled
2019/12/01 06:57:56 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   64.573089][ T7623] KCSAN: could not find function: 'poll_schedule_timeout'
2019/12/01 06:58:11 adding functions to KCSAN blacklist: 'pipe_wait' 'mem_cgroup_select_victim_node' 'blk_mq_get_request' 'mm_update_next_owner' '__ext4_new_inode' 'mod_timer' 'add_timer' 'list_lru_count_one' '__add_to_page_cache_locked' 'd_delete' 'ep_poll' 'ext4_free_inode' 'blk_stat_add' 'alloc_empty_file' '__hrtimer_run_queues' 'ext4_mb_good_group' 'wbt_done' 'do_syslog' 'do_exit' 'exit_signals' 'get_signal' 'pid_update_inode' 'ext4_free_inodes_count' '__delete_from_page_cache' 'wbt_issue' 'pfkey_is_alive' 'queue_access_lock' '__mark_inode_dirty' 'dput' 'inet_shutdown' '__dev_queue_xmit' 'n_tty_receive_buf_common' '__snd_rawmidi_transmit_ack' 'kcm_release' 'pipe_poll' 'find_next_bit' 'xas_clear_mark' 'check_lifetime' 'atime_needs_update' '__perf_event_overflow' 'do_nanosleep' 'tick_do_update_jiffies64' 'lruvec_lru_size' 'virtqueue_enable_cb_delayed' 'vm_area_dup' 'audit_log_start' 'snd_seq_check_queue' '__rcu_read_unlock' 'complete_signal' 'taskstats_exit' 'timer_clear_idle' 'ktime_get_real_seconds' 'find_get_pages_range_tag' 'generic_fillattr' 'p9_poll_workfn' 'sit_tunnel_xmit' 'pcpu_alloc' 'rcu_gp_fqs_check_wake' 'poll_schedule_timeout' 'has_bh_in_lru' 'futex_wait_queue_me' 'balance_dirty_pages' 'tick_sched_do_timer' 'process_srcu' 'dd_has_work' 'kauditd_thread' 'echo_char' 'xas_find_marked' 'generic_permission' 'tomoyo_supervisor' '__rb_erase_color' 'snd_ctl_notify' 'blk_mq_dispatch_rq_list' 'tomoyo_check_path_acl' 'blk_mq_sched_dispatch_requests' 'do_signal_stop' 'blk_mq_run_hw_queue' 'tcp_add_backlog' 'ext4_has_free_clusters' 'rcu_gp_fqs_loop' 'generic_write_end' 'ext4_nonda_switch' 'ext4_mark_iloc_dirty' 'ext4_writepages' 'copy_process' 'run_timer_softirq' 'tick_nohz_idle_stop_tick' 'common_perm_cond' 'inactive_list_is_low' 
[  182.612482][ T7607] ==================================================================
[  182.620981][ T7607] BUG: KCSAN: data-race in handle_mm_fault / watchdog
[  182.627987][ T7607] 
[  182.630311][ T7607] read to 0xffff8881261ad050 of 8 bytes by task 1069 on cpu 1:
[  182.637849][ T7607]  watchdog+0x2c3/0x7c0
[  182.642002][ T7607]  kthread+0x1d4/0x200
[  182.646074][ T7607]  ret_from_fork+0x1f/0x30
[  182.650473][ T7607] 
[  182.653103][ T7607] write to 0xffff8881261ad050 of 8 bytes by task 7607 on cpu 0:
[  182.660941][ T7607]  handle_mm_fault+0x4a/0x530
[  182.667596][ T7607]  __do_page_fault+0x456/0x8d0
[  182.672363][ T7607]  do_page_fault+0x38/0x194
[  182.677730][ T7607]  page_fault+0x34/0x40
[  182.681880][ T7607] 
[  182.684192][ T7607] Reported by Kernel Concurrency Sanitizer on:
[  182.690781][ T7607] CPU: 0 PID: 7607 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[  182.698655][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  182.708709][ T7607] ==================================================================
[  182.716774][ T7607] Kernel panic - not syncing: panic_on_warn set ...
[  182.723363][ T7607] CPU: 0 PID: 7607 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[  182.731238][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  182.741424][ T7607] Call Trace:
[  182.745220][ T7607]  dump_stack+0x11d/0x181
[  182.749874][ T7607]  panic+0x210/0x640
[  182.753954][ T7607]  ? vprintk_func+0x8d/0x140
[  182.758551][ T7607]  kcsan_report.cold+0xc/0xd
[  182.763178][ T7607]  kcsan_setup_watchpoint+0x3fe/0x460
[  182.768565][ T7607]  __tsan_unaligned_write8+0xc4/0x100
[  182.773962][ T7607]  handle_mm_fault+0x4a/0x530
[  182.778658][ T7607]  __do_page_fault+0x456/0x8d0
[  182.783426][ T7607]  do_page_fault+0x38/0x194
[  182.787931][ T7607]  page_fault+0x34/0x40
[  182.792101][ T7607] RIP: 0033:0x41d194
[  182.795999][ T7607] Code: 48 83 c6 08 49 83 f8 08 0f 8d e7 00 00 00 48 39 de 0f 83 de 00 00 00 0f ba e2 00 0f 83 ca 00 00 00 4c 8b 4c 24 78 4e 8d 14 0e <4d> 8b 12 4d 85 d2 74 c9 4c 39 d0 77 c4 49 39 ca 73 bf 4c 89 44 24
[  182.815611][ T7607] RSP: 002b:00007ffc33fa93b0 EFLAGS: 00010283
[  182.821805][ T7607] RAX: 000000c420000000 RBX: 0000000000040000 RCX: 000000c4316e0000
[  182.829863][ T7607] RDX: 0000000000000005 RSI: 0000000000037420 RDI: 00007f54ed612000
[  182.837850][ T7607] RBP: 00007ffc33fa9418 R08: 0000000000000004 R09: 0000000001473c00
[  182.845846][ T7607] R10: 00000000014ab020 R11: 00007ffc33fa9560 R12: 000000c42d63f898
[  182.853957][ T7607] R13: 0000000000000007 R14: 0000000000c21f20 R15: 000000000000325c
[  182.863641][ T7607] Kernel Offset: disabled
[  182.867991][ T7607] Rebooting in 86400 seconds..