Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. 2019/11/04 15:17:49 fuzzer started 2019/11/04 15:17:52 dialing manager at 10.128.0.105:42499 2019/11/04 15:17:52 syscalls: 2553 2019/11/04 15:17:52 code coverage: enabled 2019/11/04 15:17:52 comparison tracing: enabled 2019/11/04 15:17:52 extra coverage: extra coverage is not supported by the kernel 2019/11/04 15:17:52 setuid sandbox: enabled 2019/11/04 15:17:52 namespace sandbox: enabled 2019/11/04 15:17:52 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/04 15:17:52 fault injection: enabled 2019/11/04 15:17:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/04 15:17:52 net packet injection: enabled 2019/11/04 15:17:52 net device setup: enabled 2019/11/04 15:17:52 concurrency sanitizer: enabled 2019/11/04 15:17:52 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 66.827065][ T8045] KCSAN: could not find function: 'poll_schedule_timeout' 2019/11/04 15:17:57 adding functions to KCSAN blacklist: 'p9_poll_workfn' 'vm_area_dup' 'generic_permission' 'find_get_pages_range_tag' 'task_dump_owner' 'add_timer' 'inet_putpeer' 'generic_write_end' 'tick_sched_do_timer' 'tick_do_update_jiffies64' 'ep_poll' 'ext4_free_inode' 'wbt_issue' 'poll_schedule_timeout' 'ext4_has_free_clusters' 'pid_update_inode' 'do_wait' '__skb_try_recv_from_queue' 'do_nanosleep' 'tcp_add_backlog' '__hrtimer_run_queues' 'ktime_get_real_seconds' 'ktime_get_seconds' 'tomoyo_supervisor' 'run_timer_softirq' 'rcu_gp_fqs_check_wake' 'pipe_poll' 'rcu_gp_fqs_loop' 'dd_has_work' 'find_next_bit' 'blk_mq_get_request' 'kauditd_thread' 'audit_log_start' 'blk_mq_sched_dispatch_requests' [ 85.923263][ T0] ================================================================== [ 85.931380][ T0] BUG: KCSAN: data-race in mod_timer / timer_clear_idle [ 85.938287][ T0] [ 85.940610][ T0] read to 0xffff88812bf1b6e4 of 1 bytes by task 8046 on cpu 0: [ 85.948145][ T0] mod_timer+0x50d/0x7a0 [ 85.952368][ T0] sk_reset_timer+0x2d/0x70 [ 85.956850][ T0] tcp_rearm_rto+0x1e7/0x2a0 [ 85.961422][ T0] tcp_event_new_data_sent+0x218/0x220 [ 85.966863][ T0] tcp_write_xmit+0xa77/0x3120 [ 85.971623][ T0] __tcp_push_pending_frames+0x7b/0x1d0 [ 85.977172][ T0] tcp_push+0x1e9/0x3d0 [ 85.981357][ T0] tcp_sendmsg_locked+0x1d2b/0x1fb0 [ 85.986537][ T0] tcp_sendmsg+0x39/0x60 [ 85.990767][ T0] inet_sendmsg+0x6d/0x90 [ 85.995079][ T0] sock_sendmsg+0x9f/0xc0 [ 85.999511][ T0] sock_write_iter+0x16b/0x210 [ 86.004259][ T0] new_sync_write+0x388/0x4a0 [ 86.008947][ T0] __vfs_write+0xb1/0xc0 [ 86.013174][ T0] vfs_write+0x18a/0x390 [ 86.017397][ T0] ksys_write+0xd5/0x1b0 [ 86.021621][ T0] __x64_sys_write+0x4c/0x60 [ 86.026191][ T0] do_syscall_64+0xcc/0x370 [ 86.030686][ T0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 86.036549][ T0] [ 86.038859][ T0] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1: [ 86.046209][ T0] timer_clear_idle+0x42/0x50 [ 86.050867][ T0] tick_nohz_next_event+0x15d/0x370 [ 86.056046][ T0] tick_nohz_idle_stop_tick+0x3c2/0x670 [ 86.061569][ T0] do_idle+0x1a5/0x280 [ 86.065630][ T0] cpu_startup_entry+0x1b/0x20 [ 86.070377][ T0] start_secondary+0x208/0x260 [ 86.075131][ T0] secondary_startup_64+0xa4/0xb0 [ 86.080127][ T0] [ 86.082431][ T0] Reported by Kernel Concurrency Sanitizer on: [ 86.088565][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0 [ 86.095646][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.105676][ T0] ================================================================== [ 86.113713][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 86.120276][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0 [ 86.127367][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.137396][ T0] Call Trace: [ 86.140682][ T0] dump_stack+0xf5/0x159 [ 86.144916][ T0] panic+0x210/0x640 [ 86.148806][ T0] ? vprintk_func+0x8d/0x140 [ 86.153392][ T0] kcsan_report.cold+0xc/0xe [ 86.157965][ T0] kcsan_setup_watchpoint+0x3fe/0x410 [ 86.163321][ T0] __tsan_unaligned_write1+0x13d/0x1e0 [ 86.168760][ T0] timer_clear_idle+0x42/0x50 [ 86.173419][ T0] tick_nohz_next_event+0x15d/0x370 [ 86.178604][ T0] tick_nohz_idle_stop_tick+0x3c2/0x670 [ 86.184162][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.190385][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.196617][ T0] ? debug_smp_processor_id+0x4c/0x172 [ 86.202059][ T0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.208288][ T0] do_idle+0x1a5/0x280 [ 86.212340][ T0] ? complete+0x44/0x50 [ 86.216487][ T0] cpu_startup_entry+0x1b/0x20 [ 86.221235][ T0] start_secondary+0x208/0x260 [ 86.225982][ T0] secondary_startup_64+0xa4/0xb0 [ 86.232190][ T0] Kernel Offset: disabled [ 86.236514][ T0] Rebooting in 86400 seconds..