Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts.
2019/11/19 10:01:13 fuzzer started
2019/11/19 10:01:15 dialing manager at 10.128.0.105:42849
2019/11/19 10:01:17 syscalls: 2566
2019/11/19 10:01:17 code coverage: enabled
2019/11/19 10:01:17 comparison tracing: enabled
2019/11/19 10:01:17 extra coverage: extra coverage is not supported by the kernel
2019/11/19 10:01:17 setuid sandbox: enabled
2019/11/19 10:01:17 namespace sandbox: enabled
2019/11/19 10:01:17 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/19 10:01:17 fault injection: enabled
2019/11/19 10:01:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/19 10:01:17 net packet injection: enabled
2019/11/19 10:01:17 net device setup: enabled
2019/11/19 10:01:17 concurrency sanitizer: enabled
2019/11/19 10:01:17 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   60.203336][ T7601] KCSAN: could not find function: 'poll_schedule_timeout'
2019/11/19 10:01:23 adding functions to KCSAN blacklist: 'futex_wait_queue_me' 'ext4_mark_iloc_dirty' 'do_syslog' 'run_timer_softirq' 'sbitmap_queue_clear' 'dd_has_work' 'tick_do_update_jiffies64' '__ext4_new_inode' 'generic_write_end' 'generic_fillattr' '__snd_rawmidi_transmit_ack' 'do_exit' 'ktime_get_real_seconds' 'pid_update_inode' '__hrtimer_run_queues' 'pipe_poll' 'find_next_bit' 'vm_area_dup' 'ext4_has_free_clusters' 'blk_mq_get_request' 'tick_nohz_idle_stop_tick' 'poll_schedule_timeout' 'ext4_nonda_switch' 'p9_poll_workfn' 'ep_poll' 'rcu_gp_fqs_check_wake' 'yama_ptracer_del' 'ext4_free_inodes_count' 'tomoyo_supervisor' 'tcp_add_backlog' 'ext4_free_inode' 'wbt_done' 'add_timer' 'taskstats_exit' 'tick_sched_do_timer' 'xas_clear_mark' 'lruvec_lru_size' 'blk_mq_run_hw_queue' 
[   98.463390][ T7589] ==================================================================
[   98.471591][ T7589] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   98.478671][ T7589] 
[   98.480991][ T7589] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[   98.488362][ T7589]  timer_clear_idle+0x42/0x50
[   98.493038][ T7589]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   98.498919][ T7589]  tick_nohz_idle_exit+0x1af/0x1e0
[   98.504024][ T7589]  do_idle+0xb1/0x280
[   98.508000][ T7589]  cpu_startup_entry+0x1b/0x20
[   98.512745][ T7589]  start_secondary+0x168/0x1b0
[   98.517504][ T7589]  secondary_startup_64+0xa4/0xb0
[   98.522509][ T7589] 
[   98.524826][ T7589] read to 0xffff88812bf1b6e4 of 1 bytes by task 7589 on cpu 0:
[   98.532347][ T7589]  mod_timer+0x50d/0x7a0
[   98.536572][ T7589]  sk_reset_timer+0x2d/0x70
[   98.541080][ T7589]  tcp_rearm_rto+0x1e7/0x2a0
[   98.545664][ T7589]  tcp_event_new_data_sent+0x218/0x220
[   98.551103][ T7589]  tcp_write_xmit+0xa77/0x3120
[   98.555845][ T7589]  __tcp_push_pending_frames+0x7b/0x1d0
[   98.561368][ T7589]  tcp_push+0x1e9/0x3d0
[   98.565502][ T7589]  tcp_sendmsg_locked+0x1d2b/0x1fb0
[   98.570941][ T7589]  tcp_sendmsg+0x39/0x60
[   98.575163][ T7589]  inet_sendmsg+0x6d/0x90
[   98.579471][ T7589]  sock_sendmsg+0x9f/0xc0
[   98.583778][ T7589]  sock_write_iter+0x16b/0x210
[   98.588520][ T7589]  new_sync_write+0x388/0x4a0
[   98.593178][ T7589]  __vfs_write+0xb1/0xc0
[   98.597416][ T7589]  vfs_write+0x18a/0x390
[   98.601636][ T7589]  ksys_write+0xd5/0x1b0
[   98.605858][ T7589]  __x64_sys_write+0x4c/0x60
[   98.610427][ T7589]  do_syscall_64+0xcc/0x370
[   98.614913][ T7589]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   98.620790][ T7589] 
[   98.623191][ T7589] Reported by Kernel Concurrency Sanitizer on:
[   98.629340][ T7589] CPU: 0 PID: 7589 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0
[   98.637737][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   98.647776][ T7589] ==================================================================
[   98.655816][ T7589] Kernel panic - not syncing: panic_on_warn set ...
[   98.662412][ T7589] CPU: 0 PID: 7589 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0
[   98.669863][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   98.679993][ T7589] Call Trace:
[   98.683272][ T7589]  dump_stack+0x11d/0x181
[   98.687599][ T7589]  panic+0x210/0x640
[   98.691512][ T7589]  ? vprintk_func+0x8d/0x140
[   98.696108][ T7589]  kcsan_report.cold+0xc/0xd
[   98.700704][ T7589]  kcsan_setup_watchpoint+0x3fe/0x460
[   98.706063][ T7589]  __tsan_read1+0xc2/0x100
[   98.710461][ T7589]  mod_timer+0x50d/0x7a0
[   98.714695][ T7589]  ? tcp_update_skb_after_send+0x1a6/0x260
[   98.720487][ T7589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   98.726715][ T7589]  sk_reset_timer+0x2d/0x70
[   98.731202][ T7589]  tcp_rearm_rto+0x1e7/0x2a0
[   98.735777][ T7589]  tcp_event_new_data_sent+0x218/0x220
[   98.741216][ T7589]  tcp_write_xmit+0xa77/0x3120
[   98.745973][ T7589]  ? kmem_cache_alloc_node_trace+0x273/0x670
[   98.751940][ T7589]  __tcp_push_pending_frames+0x7b/0x1d0
[   98.757490][ T7589]  tcp_push+0x1e9/0x3d0
[   98.761631][ T7589]  tcp_sendmsg_locked+0x1d2b/0x1fb0
[   98.766823][ T7589]  tcp_sendmsg+0x39/0x60
[   98.771049][ T7589]  inet_sendmsg+0x6d/0x90
[   98.775360][ T7589]  ? inet_send_prepare+0x200/0x200
[   98.780453][ T7589]  sock_sendmsg+0x9f/0xc0
[   98.784771][ T7589]  sock_write_iter+0x16b/0x210
[   98.789519][ T7589]  new_sync_write+0x388/0x4a0
[   98.794194][ T7589]  __vfs_write+0xb1/0xc0
[   98.798429][ T7589]  vfs_write+0x18a/0x390
[   98.802651][ T7589]  ksys_write+0xd5/0x1b0
[   98.806891][ T7589]  __x64_sys_write+0x4c/0x60
[   98.811475][ T7589]  do_syscall_64+0xcc/0x370
[   98.815968][ T7589]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   98.821851][ T7589] RIP: 0033:0x47c530
[   98.825730][ T7589] 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
[   98.845314][ T7589] RSP: 002b:000000c422e8f4f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
[   98.854404][ T7589] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   98.862665][ T7589] RDX: 0000000000000007 RSI: 000000c4202fa200 RDI: 0000000000000003
[   98.870638][ T7589] RBP: 000000c422e8f550 R08: 0000000000000000 R09: 0000000000000000
[   98.878594][ T7589] R10: 0000000000000000 R11: 0000000000000216 R12: 000000c4200c5b00
[   98.886548][ T7589] R13: 0000000000000007 R14: 0000000000c1ec00 R15: 000000000000488a
[  100.028338][ T7589] Shutting down cpus with NMI
[  100.034429][ T7589] Kernel Offset: disabled
[  100.038759][ T7589] Rebooting in 86400 seconds..