Warning: Permanently added '10.128.0.95' (ECDSA) to the list of known hosts.
2020/10/01 04:54:17 fuzzer started
2020/10/01 04:54:18 dialing manager at 10.128.0.105:39167
2020/10/01 04:54:18 syscalls: 3358
2020/10/01 04:54:18 code coverage: enabled
2020/10/01 04:54:18 comparison tracing: enabled
2020/10/01 04:54:18 extra coverage: enabled
2020/10/01 04:54:18 setuid sandbox: enabled
2020/10/01 04:54:18 namespace sandbox: enabled
2020/10/01 04:54:18 Android sandbox: /sys/fs/selinux/policy does not exist
2020/10/01 04:54:18 fault injection: enabled
2020/10/01 04:54:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/10/01 04:54:18 net packet injection: enabled
2020/10/01 04:54:18 net device setup: enabled
2020/10/01 04:54:18 concurrency sanitizer: enabled
2020/10/01 04:54:18 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/10/01 04:54:18 USB emulation: enabled
2020/10/01 04:54:18 hci packet injection: enabled
2020/10/01 04:54:18 wifi device emulation: enabled
2020/10/01 04:54:21 suppressing KCSAN reports in functions: 'generic_write_end' 'alloc_pid' '__mark_inode_dirty' 'do_select' 'futex_wait_queue_me' 'do_sys_poll' '__add_to_page_cache_locked' '__xa_clear_mark' 'ext4_da_write_end' 'ext4_mb_find_by_goal' 'complete_signal' 'io_sq_thread' 'do_signal_stop' '__writeback_single_inode' 'ondemand_readahead' 'snd_rawmidi_poll' '__io_cqring_fill_event' 'pcpu_alloc' 'blk_mq_rq_ctx_init' 'xas_find_marked' 'ext4_mb_good_group' 'generic_file_buffered_read' '__find_get_block' 'blk_mq_dispatch_rq_list' 'blk_mq_sched_dispatch_requests' 'wbt_done' 'kauditd_thread' 'blk_mq_request_bypass_insert' 'wg_packet_decrypt_worker' '__delayacct_blkio_end' '__mod_timer' '__ext4_new_inode' 'do_syslog' 'ext4_sync_file' 'n_tty_receive_buf_common' 'ext4_free_inodes_count' 'do_nanosleep' 'exit_mm' 'ext4_mark_iloc_dirty' 'audit_log_start' 'shmem_mknod' '__ext4_update_other_inode_time' 'ext4_free_inode' 'find_get_pages_range_tag' 'dd_has_work' 'lru_add_drain_all' 'lbmIODone' '__delete_from_page_cache' 'expire_timers' 
syzkaller login: [  131.858795][    T0] ==================================================================
[  131.866939][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer
[  131.874797][    T0] 
[  131.877141][    T0] write to 0xffffffff88164ad0 of 4 bytes by interrupt on cpu 1:
[  131.884787][    T0]  tick_sched_timer+0x214/0x230
[  131.889677][    T0]  __run_hrtimer+0x154/0x4b0
[  131.894248][    T0]  hrtimer_interrupt+0x37c/0xa40
[  131.899205][    T0]  __sysvec_apic_timer_interrupt+0xa3/0x280
[  131.905075][    T0]  asm_call_irq_on_stack+0xf/0x20
[  131.910096][    T0]  sysvec_apic_timer_interrupt+0x80/0xd0
[  131.915724][    T0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[  131.921689][    T0]  native_safe_halt+0xe/0x10
[  131.926276][    T0]  acpi_idle_do_entry+0x94/0x120
[  131.931220][    T0]  acpi_idle_enter+0x22e/0x260
[  131.935965][    T0]  cpuidle_enter_state+0x2ba/0x840
[  131.941055][    T0]  cpuidle_enter+0x3c/0x60
[  131.945448][    T0]  do_idle+0x1e7/0x2c0
[  131.949513][    T0]  cpu_startup_entry+0x15/0x20
[  131.954268][    T0]  secondary_startup_64+0xa4/0xb0
[  131.959272][    T0] 
[  131.961577][    T0] read to 0xffffffff88164ad0 of 4 bytes by task 0 on cpu 0:
[  131.968851][    T0]  tick_nohz_next_event+0x21d/0x310
[  131.974036][    T0]  tick_nohz_get_sleep_length+0xca/0x140
[  131.979647][    T0]  menu_select+0x328/0x1030
[  131.984144][    T0]  cpuidle_select+0x3d/0x50
[  131.988643][    T0]  do_idle+0x1ae/0x2c0
[  131.992704][    T0]  cpu_startup_entry+0x15/0x20
[  131.997455][    T0]  rest_init+0xd8/0xe0
[  132.001501][    T0]  arch_call_rest_init+0xa/0xb
[  132.006256][    T0]  start_kernel+0x608/0x6d0
[  132.010735][    T0]  secondary_startup_64+0xa4/0xb0
[  132.015762][    T0] 
[  132.018062][    T0] Reported by Kernel Concurrency Sanitizer on:
[  132.024192][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.9.0-rc7-syzkaller #0
[  132.032067][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  132.042107][    T0] ==================================================================
[  132.050144][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  132.056713][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.9.0-rc7-syzkaller #0
[  132.064588][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  132.074626][    T0] Call Trace:
[  132.077920][    T0]  dump_stack+0x10f/0x19d
[  132.082230][    T0]  panic+0x207/0x64a
[  132.086109][    T0]  ? vprintk_emit+0x44a/0x4f0
[  132.090768][    T0]  kcsan_report+0x684/0x690
[  132.095249][    T0]  ? kcsan_setup_watchpoint+0x41e/0x4a0
[  132.100775][    T0]  ? tick_nohz_next_event+0x21d/0x310
[  132.106156][    T0]  ? tick_nohz_get_sleep_length+0xca/0x140
[  132.111939][    T0]  ? menu_select+0x328/0x1030
[  132.116607][    T0]  ? cpuidle_select+0x3d/0x50
[  132.121260][    T0]  ? do_idle+0x1ae/0x2c0
[  132.125491][    T0]  ? cpu_startup_entry+0x15/0x20
[  132.130404][    T0]  ? rest_init+0xd8/0xe0
[  132.134624][    T0]  ? arch_call_rest_init+0xa/0xb
[  132.139554][    T0]  ? start_kernel+0x608/0x6d0
[  132.144208][    T0]  ? secondary_startup_64+0xa4/0xb0
[  132.149401][    T0]  kcsan_setup_watchpoint+0x41e/0x4a0
[  132.154752][    T0]  tick_nohz_next_event+0x21d/0x310
[  132.159948][    T0]  tick_nohz_get_sleep_length+0xca/0x140
[  132.165558][    T0]  menu_select+0x328/0x1030
[  132.170048][    T0]  ? _raw_spin_unlock_irq+0x4b/0x70
[  132.175246][    T0]  cpuidle_select+0x3d/0x50
[  132.179729][    T0]  do_idle+0x1ae/0x2c0
[  132.183778][    T0]  cpu_startup_entry+0x15/0x20
[  132.188539][    T0]  rest_init+0xd8/0xe0
[  132.192602][    T0]  ? time_init+0xc/0xc
[  132.196664][    T0]  arch_call_rest_init+0xa/0xb
[  132.201406][    T0]  start_kernel+0x608/0x6d0
[  132.205889][    T0]  secondary_startup_64+0xa4/0xb0
[  132.211982][    T0] Kernel Offset: disabled
[  132.216296][    T0] Rebooting in 86400 seconds..