Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts.
2019/11/07 03:37:30 fuzzer started
2019/11/07 03:37:32 dialing manager at 10.128.0.105:34849
2019/11/07 03:37:33 syscalls: 2553
2019/11/07 03:37:33 code coverage: enabled
2019/11/07 03:37:33 comparison tracing: enabled
2019/11/07 03:37:33 extra coverage: extra coverage is not supported by the kernel
2019/11/07 03:37:33 setuid sandbox: enabled
2019/11/07 03:37:33 namespace sandbox: enabled
2019/11/07 03:37:33 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/07 03:37:33 fault injection: enabled
2019/11/07 03:37:33 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/07 03:37:33 net packet injection: enabled
2019/11/07 03:37:33 net device setup: enabled
2019/11/07 03:37:33 concurrency sanitizer: enabled
2019/11/07 03:37:33 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   82.994611][ T8058] KCSAN: could not find function: 'poll_schedule_timeout'
2019/11/07 03:37:38 adding functions to KCSAN blacklist: 'vm_area_dup' 'kauditd_thread' 'do_nanosleep' 'tick_nohz_idle_stop_tick' 'blk_mq_get_request' 'blk_mq_free_request' '__ext4_new_inode' 'echo_char' 'ep_poll' 'pipe_poll' 'run_timer_softirq' 'generic_permission' 'tick_sched_do_timer' 'poll_schedule_timeout' '__hrtimer_run_queues' 'find_next_bit' 'blk_mq_dispatch_rq_list' 'rcu_gp_fqs_check_wake' 'alloc_empty_file' 'generic_fillattr' 'dd_has_work' 'tick_do_update_jiffies64' 'ext4_free_inode' 'process_srcu' 'pid_update_inode' 'audit_log_start' 'taskstats_exit' 'fasync_remove_entry' 'tomoyo_supervisor' 'tcp_add_backlog' 'generic_write_end' 'fanotify_handle_event' 'blk_mq_sched_dispatch_requests' 'ktime_get_real_seconds' 'ext4_has_free_clusters' 
[  112.737469][ T8042] ==================================================================
[  112.745622][ T8042] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[  112.752537][ T8042] 
[  112.754863][ T8042] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[  112.762235][ T8042]  timer_clear_idle+0x42/0x50
[  112.766911][ T8042]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[  112.772796][ T8042]  tick_nohz_idle_exit+0x1af/0x1e0
[  112.777902][ T8042]  do_idle+0xb1/0x280
[  112.781875][ T8042]  cpu_startup_entry+0x1b/0x20
[  112.786634][ T8042]  start_secondary+0x208/0x260
[  112.791400][ T8042]  secondary_startup_64+0xa4/0xb0
[  112.796409][ T8042] 
[  112.798731][ T8042] read to 0xffff88812bf1b6e4 of 1 bytes by task 8042 on cpu 0:
[  112.806264][ T8042]  mod_timer+0x50d/0x7a0
[  112.810501][ T8042]  sk_reset_timer+0x2d/0x70
[  112.814992][ T8042]  tcp_rearm_rto+0x1e7/0x2a0
[  112.819574][ T8042]  tcp_event_new_data_sent+0x218/0x220
[  112.825025][ T8042]  tcp_write_xmit+0xa77/0x3120
[  112.829779][ T8042]  __tcp_push_pending_frames+0x7b/0x1d0
[  112.835320][ T8042]  tcp_push+0x1e9/0x3d0
[  112.839464][ T8042]  tcp_sendmsg_locked+0x1d2b/0x1fb0
[  112.844660][ T8042]  tcp_sendmsg+0x39/0x60
[  112.848893][ T8042]  inet_sendmsg+0x6d/0x90
[  112.853217][ T8042]  sock_sendmsg+0x9f/0xc0
[  112.857538][ T8042]  sock_write_iter+0x16b/0x210
[  112.862290][ T8042]  new_sync_write+0x388/0x4a0
[  112.866956][ T8042]  __vfs_write+0xb1/0xc0
[  112.871191][ T8042]  vfs_write+0x18a/0x390
[  112.875425][ T8042]  ksys_write+0xd5/0x1b0
[  112.879657][ T8042]  __x64_sys_write+0x4c/0x60
[  112.884243][ T8042]  do_syscall_64+0xcc/0x370
[  112.888739][ T8042]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  112.894609][ T8042] 
[  112.896924][ T8042] Reported by Kernel Concurrency Sanitizer on:
[  112.903072][ T8042] CPU: 0 PID: 8042 Comm: syz-fuzzer Not tainted 5.4.0-rc6+ #0
[  112.910523][ T8042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  112.920567][ T8042] ==================================================================
[  112.928617][ T8042] Kernel panic - not syncing: panic_on_warn set ...
[  112.935196][ T8042] CPU: 0 PID: 8042 Comm: syz-fuzzer Not tainted 5.4.0-rc6+ #0
[  112.942632][ T8042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  112.952671][ T8042] Call Trace:
[  112.955963][ T8042]  dump_stack+0xf5/0x159
[  112.960197][ T8042]  panic+0x210/0x640
[  112.964091][ T8042]  ? vprintk_func+0x8d/0x140
[  112.968678][ T8042]  kcsan_report.cold+0xc/0xe
[  112.973277][ T8042]  kcsan_setup_watchpoint+0x3fe/0x410
[  112.978646][ T8042]  __tsan_read1+0x13f/0x1e0
[  112.983147][ T8042]  mod_timer+0x50d/0x7a0
[  112.987392][ T8042]  ? tcp_update_skb_after_send+0x1a6/0x260
[  112.993201][ T8042]  sk_reset_timer+0x2d/0x70
[  112.997702][ T8042]  tcp_rearm_rto+0x1e7/0x2a0
[  113.002294][ T8042]  tcp_event_new_data_sent+0x218/0x220
[  113.007770][ T8042]  tcp_write_xmit+0xa77/0x3120
[  113.012543][ T8042]  ? kmem_cache_alloc_node_trace+0x273/0x670
[  113.018536][ T8042]  __tcp_push_pending_frames+0x7b/0x1d0
[  113.024079][ T8042]  tcp_push+0x1e9/0x3d0
[  113.028243][ T8042]  tcp_sendmsg_locked+0x1d2b/0x1fb0
[  113.033467][ T8042]  tcp_sendmsg+0x39/0x60
[  113.037714][ T8042]  inet_sendmsg+0x6d/0x90
[  113.042037][ T8042]  ? inet_send_prepare+0x200/0x200
[  113.047146][ T8042]  sock_sendmsg+0x9f/0xc0
[  113.051472][ T8042]  sock_write_iter+0x16b/0x210
[  113.056240][ T8042]  new_sync_write+0x388/0x4a0
[  113.060923][ T8042]  __vfs_write+0xb1/0xc0
[  113.065160][ T8042]  vfs_write+0x18a/0x390
[  113.069402][ T8042]  ksys_write+0xd5/0x1b0
[  113.073644][ T8042]  __x64_sys_write+0x4c/0x60
[  113.078234][ T8042]  do_syscall_64+0xcc/0x370
[  113.082740][ T8042]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  113.088622][ T8042] RIP: 0033:0x47c530
[  113.092519][ T8042] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30
[  113.112200][ T8042] RSP: 002b:000000c422bcb4f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
[  113.120604][ T8042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[  113.128569][ T8042] RDX: 0000000000000007 RSI: 000000c42013e200 RDI: 0000000000000003
[  113.136542][ T8042] RBP: 000000c422bcb550 R08: 0000000000000000 R09: 0000000000000000
[  113.144504][ T8042] R10: 0000000000000000 R11: 0000000000000216 R12: 000000c4200cbb00
[  113.152465][ T8042] R13: 0000000000000007 R14: 0000000000c1dc00 R15: 0000000000003e50
[  114.300499][ T8042] Shutting down cpus with NMI
[  114.306458][ T8042] Kernel Offset: disabled
[  114.310785][ T8042] Rebooting in 86400 seconds..