Warning: Permanently added '10.128.0.154' (ECDSA) to the list of known hosts.
2021/02/22 20:25:22 fuzzer started
2021/02/22 20:25:22 dialing manager at 10.128.0.163:36051
2021/02/22 20:25:22 syscalls: 3541
2021/02/22 20:25:22 code coverage: enabled
2021/02/22 20:25:22 comparison tracing: enabled
2021/02/22 20:25:22 extra coverage: enabled
2021/02/22 20:25:22 setuid sandbox: enabled
2021/02/22 20:25:22 namespace sandbox: enabled
2021/02/22 20:25:22 Android sandbox: /sys/fs/selinux/policy does not exist
2021/02/22 20:25:22 fault injection: enabled
2021/02/22 20:25:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/02/22 20:25:22 net packet injection: enabled
2021/02/22 20:25:22 net device setup: enabled
2021/02/22 20:25:22 concurrency sanitizer: enabled
2021/02/22 20:25:22 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/02/22 20:25:22 USB emulation: enabled
2021/02/22 20:25:22 hci packet injection: enabled
2021/02/22 20:25:22 wifi device emulation: enabled
2021/02/22 20:25:22 802.15.4 emulation: enabled
2021/02/22 20:25:26 suppressing KCSAN reports in functions: 'jbd2_journal_commit_transaction' '__add_to_page_cache_locked' 'n_tty_receive_char_special' 'generic_write_end' 'futex_wait_queue_me' 'exit_mm' 'xas_find_marked' 'ext4_free_inode' 'ext4_mb_regular_allocator' '__process_echoes' 'jbd2_journal_dirty_metadata' 'blk_mq_dispatch_rq_list' 'blk_mq_sched_dispatch_requests' 'complete_signal' 'do_select' 'find_get_pages_range_tag' 'tick_sched_timer' 'do_signal_stop' 'shmem_add_to_page_cache' 'caching_thread' 'compaction_alloc' 'n_tty_receive_buf_common' '__xa_clear_mark' '__ext4_unlink' 'expire_timers' 'ext4_mark_iloc_dirty' 'dd_has_work' 'prandom_seed' 'fuse_abort_conn' 'fsnotify' 'wbt_done' '__mod_timer' '__jbd2_journal_file_buffer' 'do_nanosleep' 'pcpu_alloc' 'ext4_free_inodes_count' 'kauditd_thread' 'tick_nohz_next_event' 'dev_get_tstats64' 'start_this_handle' '_prb_read_valid' 'ext4_fc_commit' 'ext4_writepages' '__mark_inode_dirty' 'wbt_issue' 'blk_mq_rq_ctx_init' 'alloc_pid' 'isolate_migratepages_block' 'do_sys_poll' 
2021/02/22 20:25:26 fetching corpus: 0, signal 0/2000 (executing program)
2021/02/22 20:25:26 fetching corpus: 50, signal 18084/21876 (executing program)
2021/02/22 20:25:27 fetching corpus: 100, signal 27103/32608 (executing program)
[   35.260852][ T8314] ==================================================================
[   35.271702][ T8314] BUG: KCSAN: data-race in do_epoll_wait / do_epoll_wait
[   35.281009][ T8314] 
[   35.288038][ T8314] write to 0xffff888107a8ba18 of 8 bytes by task 8316 on cpu 0:
[   35.296645][ T8314]  do_epoll_wait+0x4d3/0xf00
[   35.302501][ T8314]  __se_sys_epoll_pwait+0xfb/0x210
[   35.309552][ T8314]  __x64_sys_epoll_pwait+0x74/0x80
[   35.316090][ T8314]  do_syscall_64+0x39/0x80
[   35.321215][ T8314]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   35.328183][ T8314] 
[   35.330585][ T8314] read to 0xffff888107a8ba18 of 8 bytes by task 8314 on cpu 1:
[   35.338674][ T8314]  do_epoll_wait+0x292/0xf00
[   35.343735][ T8314]  __se_sys_epoll_pwait+0xfb/0x210
[   35.349558][ T8314]  __x64_sys_epoll_pwait+0x74/0x80
[   35.356055][ T8314]  do_syscall_64+0x39/0x80
[   35.361225][ T8314]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   35.368149][ T8314] 
[   35.370638][ T8314] Reported by Kernel Concurrency Sanitizer on:
[   35.378161][ T8314] CPU: 1 PID: 8314 Comm: syz-fuzzer Not tainted 5.11.0-syzkaller #0
[   35.388424][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.400421][ T8314] ==================================================================
[   35.411412][ T8314] Kernel panic - not syncing: panic_on_warn set ...
[   35.418846][ T8314] CPU: 1 PID: 8314 Comm: syz-fuzzer Not tainted 5.11.0-syzkaller #0
[   35.427575][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.438904][ T8314] Call Trace:
[   35.442263][ T8314]  dump_stack+0x137/0x19d
[   35.447469][ T8314]  panic+0x1e7/0x5fa
[   35.451987][ T8314]  ? vprintk_emit+0x2fa/0x3e0
[   35.457724][ T8314]  kcsan_report+0x67b/0x680
[   35.463347][ T8314]  ? kcsan_setup_watchpoint+0x40b/0x470
[   35.470229][ T8314]  ? do_epoll_wait+0x292/0xf00
[   35.476138][ T8314]  ? __se_sys_epoll_pwait+0xfb/0x210
[   35.483116][ T8314]  ? __x64_sys_epoll_pwait+0x74/0x80
[   35.489475][ T8314]  ? do_syscall_64+0x39/0x80
[   35.494321][ T8314]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   35.501445][ T8314]  ? do_futex+0x1062/0x1cd0
[   35.507386][ T8314]  ? tcp_delack_timer_handler+0x350/0x3c0
[   35.514473][ T8314]  ? __rcu_read_unlock+0x5c/0x250
[   35.520782][ T8314]  kcsan_setup_watchpoint+0x40b/0x470
[   35.527300][ T8314]  do_epoll_wait+0x292/0xf00
[   35.532403][ T8314]  ? __send_signal+0x691/0x790
[   35.537806][ T8314]  ? _copy_from_user+0x94/0xd0
[   35.543450][ T8314]  ? ktime_get+0x1b0/0x1e0
[   35.548362][ T8314]  __se_sys_epoll_pwait+0xfb/0x210
[   35.554151][ T8314]  __x64_sys_epoll_pwait+0x74/0x80
[   35.560052][ T8314]  do_syscall_64+0x39/0x80
[   35.564888][ T8314]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   35.571457][ T8314] RIP: 0033:0x46e380
[   35.575609][ T8314] Code: 0f 05 89 44 24 20 c3 cc cc cc 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 44 8b 54 24 1c 49 c7 c0 00 00 00 00 b8 19 01 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
[   35.597541][ T8314] RSP: 002b:000000c00003b8f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   35.607218][ T8314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000046e380
[   35.616317][ T8314] RDX: 0000000000000080 RSI: 000000c00003b940 RDI: 0000000000000003
[   35.625968][ T8314] RBP: 000000c00003bf40 R08: 0000000000000000 R09: 0000000000000010
[   35.635244][ T8314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
[   35.646680][ T8314] R13: 0000000000b7a860 R14: 0000000000000000 R15: 0000000000000000
[   35.659116][ T8314] Kernel Offset: disabled
[   35.663991][ T8314] Rebooting in 86400 seconds..