Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts.
2020/12/15 10:59:28 fuzzer started
2020/12/15 10:59:29 dialing manager at 10.128.0.105:32975
2020/12/15 10:59:35 syscalls: 3465
2020/12/15 10:59:35 code coverage: enabled
2020/12/15 10:59:35 comparison tracing: enabled
2020/12/15 10:59:35 extra coverage: enabled
2020/12/15 10:59:35 setuid sandbox: enabled
2020/12/15 10:59:35 namespace sandbox: enabled
2020/12/15 10:59:35 Android sandbox: /sys/fs/selinux/policy does not exist
2020/12/15 10:59:35 fault injection: enabled
2020/12/15 10:59:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/12/15 10:59:35 net packet injection: enabled
2020/12/15 10:59:35 net device setup: enabled
2020/12/15 10:59:35 concurrency sanitizer: enabled
2020/12/15 10:59:35 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/12/15 10:59:35 USB emulation: enabled
2020/12/15 10:59:35 hci packet injection: enabled
2020/12/15 10:59:35 wifi device emulation: enabled
2020/12/15 10:59:38 suppressing KCSAN reports in functions: 'generic_file_buffered_read' 'blk_mq_rq_ctx_init' 'ext4_mb_regular_allocator' 'alloc_pid' 'expire_timers' 'n_tty_receive_buf_common' '__writeback_single_inode' 'exit_mm' 'do_nanosleep' 'blk_mq_sched_dispatch_requests' 'ext4_ext_insert_extent' 'do_notify_parent_cldstop' '__ext4_new_inode' 'generic_write_end' 'pcpu_alloc' '__xa_clear_mark' 'isolate_migratepages_block' 'xas_clear_mark' 'snd_rawmidi_poll' '__mod_timer' 'audit_log_start' 'do_select' 'find_get_pages_range_tag' 'blk_mq_dispatch_rq_list' 'kauditd_thread' 'ext4_ext_try_to_merge_right' 'dd_has_work' 'do_signal_stop' 'ext4_free_inode' 'complete_signal' '__ext4_update_other_inode_time' '__delete_from_page_cache' 'ext4_mb_good_group' 
[   94.073484][    T0] ==================================================================
[   94.081599][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer
[   94.089561][    T0] 
[   94.091887][    T0] write to 0xffffffff86fc1220 of 4 bytes by interrupt on cpu 0:
[   94.099516][    T0]  tick_sched_timer+0x1e7/0x200
[   94.104549][    T0]  __run_hrtimer+0x133/0x420
[   94.109115][    T0]  hrtimer_interrupt+0x36e/0xa10
[   94.114030][    T0]  __sysvec_apic_timer_interrupt+0x6f/0x200
[   94.119906][    T0]  asm_call_irq_on_stack+0xf/0x20
[   94.124901][    T0]  sysvec_apic_timer_interrupt+0x52/0x90
[   94.130521][    T0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[   94.136486][    T0]  __sanitizer_cov_trace_const_cmp8+0x4/0x90
[   94.142450][    T0]  __virt_addr_valid+0x97/0x1a0
[   94.147318][    T0]  __check_object_size+0xa8/0x310
[   94.152333][    T0]  simple_copy_to_iter+0x3e/0x60
[   94.157252][    T0]  __skb_datagram_iter+0x231/0x4f0
[   94.162344][    T0]  skb_copy_datagram_iter+0x39/0xf0
[   94.167514][    T0]  tcp_recvmsg+0xb37/0x1d00
[   94.171986][    T0]  inet_recvmsg+0xa3/0x210
[   94.176376][    T0]  sock_read_iter+0x19e/0x1e0
[   94.181023][    T0]  vfs_read+0x552/0x5c0
[   94.185156][    T0]  ksys_read+0xce/0x180
[   94.189294][    T0]  __x64_sys_read+0x3e/0x50
[   94.193769][    T0]  do_syscall_64+0x39/0x80
[   94.198170][    T0]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   94.204477][    T0] 
[   94.206795][    T0] read to 0xffffffff86fc1220 of 4 bytes by task 0 on cpu 1:
[   94.214064][    T0]  tick_nohz_next_event+0x217/0x300
[   94.219242][    T0]  tick_nohz_get_sleep_length+0x121/0x270
[   94.225211][    T0]  menu_select+0x2fa/0xf40
[   94.229625][    T0]  cpuidle_select+0x3d/0x50
[   94.234121][    T0]  do_idle+0x15f/0x230
[   94.238162][    T0]  cpu_startup_entry+0x15/0x20
[   94.242985][    T0]  secondary_startup_64_no_verify+0xb0/0xbb
[   94.248846][    T0] 
[   94.251144][    T0] Reported by Kernel Concurrency Sanitizer on:
[   94.257277][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.0-syzkaller #0
[   94.264897][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   94.274946][    T0] ==================================================================
[   94.283001][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   94.289569][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.0-syzkaller #0
[   94.297351][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   94.307417][    T0] Call Trace:
[   94.310686][    T0]  dump_stack+0x116/0x15d
[   94.315000][    T0]  panic+0x1e7/0x5fa
[   94.318880][    T0]  ? vprintk_emit+0x2f2/0x370
[   94.323546][    T0]  kcsan_report+0x67b/0x680
[   94.328036][    T0]  ? kcsan_setup_watchpoint+0x47b/0x4e0
[   94.333563][    T0]  ? tick_nohz_next_event+0x217/0x300
[   94.338998][    T0]  ? tick_nohz_get_sleep_length+0x121/0x270
[   94.344895][    T0]  ? menu_select+0x2fa/0xf40
[   94.349549][    T0]  ? cpuidle_select+0x3d/0x50
[   94.354228][    T0]  ? do_idle+0x15f/0x230
[   94.358473][    T0]  ? cpu_startup_entry+0x15/0x20
[   94.363427][    T0]  ? secondary_startup_64_no_verify+0xb0/0xbb
[   94.369498][    T0]  ? ktime_get+0x1b0/0x1e0
[   94.373896][    T0]  kcsan_setup_watchpoint+0x47b/0x4e0
[   94.379271][    T0]  tick_nohz_next_event+0x217/0x300
[   94.384471][    T0]  tick_nohz_get_sleep_length+0x121/0x270
[   94.390167][    T0]  menu_select+0x2fa/0xf40
[   94.394559][    T0]  ? _raw_spin_unlock_irq+0x22/0x40
[   94.399733][    T0]  ? finish_task_switch+0x90/0x3a0
[   94.404824][    T0]  cpuidle_select+0x3d/0x50
[   94.409381][    T0]  do_idle+0x15f/0x230
[   94.413420][    T0]  cpu_startup_entry+0x15/0x20
[   94.418161][    T0]  secondary_startup_64_no_verify+0xb0/0xbb
[   94.424692][    T0] Kernel Offset: disabled
[   94.429007][    T0] Rebooting in 86400 seconds..