Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts.
2021/02/05 02:12:54 fuzzer started
2021/02/05 02:12:55 dialing manager at 10.128.0.163:35513
2021/02/05 02:12:59 syscalls: 3470
2021/02/05 02:12:59 code coverage: enabled
2021/02/05 02:12:59 comparison tracing: enabled
2021/02/05 02:12:59 extra coverage: enabled
2021/02/05 02:12:59 setuid sandbox: enabled
2021/02/05 02:12:59 namespace sandbox: enabled
2021/02/05 02:12:59 Android sandbox: /sys/fs/selinux/policy does not exist
2021/02/05 02:12:59 fault injection: enabled
2021/02/05 02:12:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/02/05 02:12:59 net packet injection: enabled
2021/02/05 02:12:59 net device setup: enabled
2021/02/05 02:12:59 concurrency sanitizer: enabled
2021/02/05 02:12:59 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/02/05 02:12:59 USB emulation: enabled
2021/02/05 02:12:59 hci packet injection: enabled
2021/02/05 02:12:59 wifi device emulation: enabled
2021/02/05 02:13:01 suppressing KCSAN reports in functions: '_prb_read_valid' '__delete_from_page_cache' 'n_tty_receive_buf_common' 'jbd2_journal_commit_transaction' 'ext4_free_inodes_count' 'jbd2_journal_dirty_metadata' 'dd_has_work' '__mod_timer' 'pcpu_alloc' 'blk_mq_rq_ctx_init' 'blk_mq_sched_dispatch_requests' 'ext4_mb_regular_allocator' '__jbd2_journal_file_buffer' 'wbt_done' 'generic_write_end' '__xa_clear_mark' 'blk_mq_dispatch_rq_list' '__blkdev_get' 'ext4_writepages' 'ext4_mb_good_group' 'find_get_pages_range_tag' 'do_nanosleep' 'do_select' 'futex_wait_queue_me' '__ext4_journal_start_sb' '__mark_inode_dirty' 'start_this_handle' 'ext4_mark_iloc_dirty' 'alloc_pid' 'kauditd_thread' 
2021/02/05 02:13:01 fetching corpus: 0, signal 0/2000 (executing program)
2021/02/05 02:13:01 fetching corpus: 44, signal 19727/23483 (executing program)
2021/02/05 02:13:01 fetching corpus: 94, signal 32572/37959 (executing program)
2021/02/05 02:13:01 fetching corpus: 144, signal 44436/51332 (executing program)
2021/02/05 02:13:01 fetching corpus: 194, signal 51586/60019 (executing program)
2021/02/05 02:13:02 fetching corpus: 244, signal 55969/65945 (executing program)
[   36.803658][    T0] ==================================================================
[   36.811772][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer
[   36.819675][    T0] 
[   36.822017][    T0] write to 0xffffffff879c10e0 of 4 bytes by interrupt on cpu 0:
[   36.829647][    T0]  tick_sched_timer+0x1f5/0x210
[   36.834521][    T0]  __run_hrtimer+0x163/0x460
[   36.839184][    T0]  hrtimer_interrupt+0x36e/0xa30
[   36.844134][    T0]  __sysvec_apic_timer_interrupt+0x6f/0x200
2021/02/05 02:13:02 fetching corpus: 294, signal 61562/72972 (executing program)
[   36.850020][    T0]  asm_call_irq_on_stack+0xf/0x20
[   36.855047][    T0]  sysvec_apic_timer_interrupt+0x52/0x90
[   36.861043][    T0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[   36.867036][    T0]  acpi_idle_enter+0x25b/0x2e0
[   36.871830][    T0]  cpuidle_enter_state+0x2b6/0x7c0
[   36.877060][    T0]  cpuidle_enter+0x3c/0x60
[   36.881482][    T0]  do_idle+0x193/0x230
[   36.885572][    T0]  cpu_startup_entry+0x15/0x20
[   36.890336][    T0]  rest_init+0xd7/0xe0
[   36.894403][    T0]  arch_call_rest_init+0xa/0xb
[   36.899230][    T0]  start_kernel+0x5a1/0x626
[   36.903769][    T0]  secondary_startup_64_no_verify+0xb0/0xbb
[   36.909669][    T0] 
[   36.911977][    T0] read to 0xffffffff879c10e0 of 4 bytes by task 0 on cpu 1:
[   36.919288][    T0]  tick_nohz_next_event+0x217/0x300
[   36.924480][    T0]  tick_nohz_get_sleep_length+0x121/0x280
[   36.930203][    T0]  menu_select+0x2f6/0x1000
[   36.934696][    T0]  cpuidle_select+0x3d/0x50
[   36.939226][    T0]  do_idle+0x15f/0x230
[   36.943372][    T0]  cpu_startup_entry+0x15/0x20
2021/02/05 02:13:02 fetching corpus: 343, signal 66483/79286 (executing program)
[   36.948148][    T0]  secondary_startup_64_no_verify+0xb0/0xbb
[   36.954901][    T0] 
[   36.957219][    T0] Reported by Kernel Concurrency Sanitizer on:
[   36.963358][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.11.0-rc6-syzkaller #0
[   36.971353][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   36.981395][    T0] ==================================================================
[   36.989452][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   36.996018][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.11.0-rc6-syzkaller #0
[   37.004017][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.014176][    T0] Call Trace:
[   37.017457][    T0]  dump_stack+0x116/0x15d
[   37.021852][    T0]  panic+0x1e7/0x5fa
[   37.025762][    T0]  ? vprintk_emit+0x2e2/0x360
[   37.030442][    T0]  kcsan_report+0x67b/0x680
[   37.034959][    T0]  ? kcsan_setup_watchpoint+0x472/0x4d0
[   37.040513][    T0]  ? tick_nohz_next_event+0x217/0x300
[   37.046152][    T0]  ? tick_nohz_get_sleep_length+0x121/0x280
[   37.052045][    T0]  ? menu_select+0x2f6/0x1000
[   37.056716][    T0]  ? cpuidle_select+0x3d/0x50
[   37.061400][    T0]  ? do_idle+0x15f/0x230
[   37.065645][    T0]  ? cpu_startup_entry+0x15/0x20
[   37.070598][    T0]  ? secondary_startup_64_no_verify+0xb0/0xbb
[   37.076706][    T0]  kcsan_setup_watchpoint+0x472/0x4d0
[   37.082096][    T0]  tick_nohz_next_event+0x217/0x300
[   37.087514][    T0]  tick_nohz_get_sleep_length+0x121/0x280
[   37.093244][    T0]  menu_select+0x2f6/0x1000
[   37.097734][    T0]  ? sched_clock_cpu+0x11/0x1a0
[   37.102578][    T0]  ? prandom_u32_state+0x9/0x80
[   37.107507][    T0]  cpuidle_select+0x3d/0x50
[   37.112027][    T0]  do_idle+0x15f/0x230
[   37.116090][    T0]  cpu_startup_entry+0x15/0x20
[   37.121117][    T0]  secondary_startup_64_no_verify+0xb0/0xbb
[   37.127741][    T0] Kernel Offset: disabled
[   37.132065][    T0] Rebooting in 86400 seconds..