Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts.
2019/10/13 16:19:51 fuzzer started
2019/10/13 16:19:52 dialing manager at 10.128.0.105:40973
2019/10/13 16:19:52 syscalls: 2523
2019/10/13 16:19:52 code coverage: enabled
2019/10/13 16:19:52 comparison tracing: enabled
2019/10/13 16:19:52 extra coverage: extra coverage is not supported by the kernel
2019/10/13 16:19:52 setuid sandbox: enabled
2019/10/13 16:19:52 namespace sandbox: enabled
2019/10/13 16:19:52 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/13 16:19:52 fault injection: enabled
2019/10/13 16:19:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/13 16:19:52 net packet injection: enabled
2019/10/13 16:19:52 net device setup: enabled
2019/10/13 16:19:52 concurrency sanitizer: enabled
[   51.740278][ T7390] ==================================================================
[   51.748422][ T7390] BUG: KCSAN: data-race in tcp_poll / tcp_recvmsg
[   51.754829][ T7390] 
[   51.757163][ T7390] write to 0xffff88812a278e74 of 4 bytes by task 7388 on cpu 0:
[   51.765151][ T7390]  tcp_recvmsg+0xd86/0x1a30
[   51.769838][ T7390]  inet_recvmsg+0xbb/0x250
[   51.774451][ T7390]  sock_recvmsg+0x92/0xb0
[   51.778789][ T7390]  sock_read_iter+0x15f/0x1e0
[   51.783561][ T7390]  new_sync_read+0x389/0x4f0
[   51.788155][ T7390]  __vfs_read+0xb1/0xc0
[   51.793167][ T7390]  vfs_read+0x143/0x2c0
[   51.797336][ T7390]  ksys_read+0xd5/0x1b0
[   51.801945][ T7390]  __x64_sys_read+0x4c/0x60
[   51.806451][ T7390]  do_syscall_64+0xcf/0x2f0
[   51.810970][ T7390]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   51.816843][ T7390] 
[   51.819179][ T7390] read to 0xffff88812a278e74 of 4 bytes by task 7390 on cpu 1:
[   51.826710][ T7390]  tcp_poll+0x1cc/0x6b0
[   51.830853][ T7390]  sock_poll+0xed/0x250
[   51.835004][ T7390]  ep_item_poll.isra.0+0x90/0x190
[   51.840019][ T7390]  ep_send_events_proc+0x113/0x5c0
[   51.845120][ T7390]  ep_scan_ready_list.constprop.0+0x189/0x500
[   51.851173][ T7390]  ep_poll+0xe3/0x900
[   51.855246][ T7390]  do_epoll_wait+0x162/0x180
[   51.860083][ T7390]  __x64_sys_epoll_pwait+0xcd/0x170
[   51.865268][ T7390]  do_syscall_64+0xcf/0x2f0
[   51.869757][ T7390]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   51.875625][ T7390] 
[   51.877935][ T7390] Reported by Kernel Concurrency Sanitizer on:
[   51.884087][ T7390] CPU: 1 PID: 7390 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   51.891178][ T7390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.901229][ T7390] ==================================================================
[   51.909279][ T7390] Kernel panic - not syncing: panic_on_warn set ...
[   51.915856][ T7390] CPU: 1 PID: 7390 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   51.922945][ T7390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   51.932981][ T7390] Call Trace:
[   51.936261][ T7390]  dump_stack+0xf5/0x159
[   51.940493][ T7390]  panic+0x209/0x639
[   51.944379][ T7390]  ? do_syscall_64+0xcf/0x2f0
[   51.949045][ T7390]  ? vprintk_func+0x8d/0x140
[   51.953625][ T7390]  kcsan_report.cold+0xc/0x1b
[   51.959075][ T7390]  __kcsan_setup_watchpoint+0x3ee/0x510
[   51.964613][ T7390]  __tsan_read4+0x2c/0x30
[   51.968947][ T7390]  tcp_poll+0x1cc/0x6b0
[   51.973098][ T7390]  ? tcp_alloc_md5sig_pool+0x320/0x320
[   51.978547][ T7390]  sock_poll+0xed/0x250
[   51.983911][ T7390]  ? sock_read_iter+0x1e0/0x1e0
[   51.988757][ T7390]  ep_item_poll.isra.0+0x90/0x190
[   51.993779][ T7390]  ep_send_events_proc+0x113/0x5c0
[   51.998887][ T7390]  ? _raw_spin_unlock_irqrestore+0x70/0x80
[   52.004947][ T7390]  ? __kcsan_setup_watchpoint+0x96/0x510
[   52.010595][ T7390]  ep_scan_ready_list.constprop.0+0x189/0x500
[   52.016690][ T7390]  ? ep_loop_check_proc+0x2f0/0x2f0
[   52.021910][ T7390]  ep_poll+0xe3/0x900
[   52.025894][ T7390]  ? wake_up_q+0x70/0x70
[   52.030130][ T7390]  do_epoll_wait+0x162/0x180
[   52.034729][ T7390]  __x64_sys_epoll_pwait+0xcd/0x170
[   52.039925][ T7390]  do_syscall_64+0xcf/0x2f0
[   52.044506][ T7390]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.050389][ T7390] RIP: 0033:0x45b300
[   52.054282][ T7390] 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 8b 7c 24 08 48 c7
[   52.074138][ T7390] RSP: 002b:000000c42004b860 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   52.082715][ T7390] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 000000000045b300
[   52.090674][ T7390] RDX: 0000000000000080 RSI: 000000c42004b8a0 RDI: 0000000000000004
[   52.098635][ T7390] RBP: 000000c42004bea0 R08: 0000000000000000 R09: 000000c420000900
[   52.106597][ T7390] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000001000
[   52.114828][ T7390] R13: 000000000000000d R14: 00007f9157f62000 R15: 0000000000000004
[   52.124762][ T7390] Kernel Offset: disabled
[   52.129095][ T7390] Rebooting in 86400 seconds..