Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts.
2019/10/16 22:36:05 fuzzer started
2019/10/16 22:36:06 dialing manager at 10.128.0.105:33899
2019/10/16 22:36:06 syscalls: 2524
2019/10/16 22:36:06 code coverage: enabled
2019/10/16 22:36:06 comparison tracing: enabled
2019/10/16 22:36:06 extra coverage: extra coverage is not supported by the kernel
2019/10/16 22:36:06 setuid sandbox: enabled
2019/10/16 22:36:06 namespace sandbox: enabled
2019/10/16 22:36:06 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/16 22:36:06 fault injection: enabled
2019/10/16 22:36:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/16 22:36:06 net packet injection: enabled
2019/10/16 22:36:06 net device setup: enabled
2019/10/16 22:36:06 concurrency sanitizer: enabled
syzkaller login: [   54.733795][ T7160] ==================================================================
[   54.741938][ T7160] BUG: KCSAN: data-race in tcp_poll / tcp_recvmsg
[   54.749370][ T7160] 
[   54.751684][ T7160] write to 0xffff88812547577c of 4 bytes by task 7165 on cpu 1:
[   54.759290][ T7160]  tcp_recvmsg+0xd86/0x1a30
[   54.763769][ T7160]  inet_recvmsg+0xbb/0x250
[   54.768447][ T7160]  sock_recvmsg+0x92/0xb0
[   54.772754][ T7160]  sock_read_iter+0x15f/0x1e0
[   54.777408][ T7160]  new_sync_read+0x389/0x4f0
[   54.781975][ T7160]  __vfs_read+0xb1/0xc0
[   54.786106][ T7160]  vfs_read+0x143/0x2c0
[   54.790235][ T7160]  ksys_read+0xd5/0x1b0
[   54.794375][ T7160]  __x64_sys_read+0x4c/0x60
[   54.798854][ T7160]  do_syscall_64+0xcc/0x370
[   54.803333][ T7160]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.809194][ T7160] 
[   54.811504][ T7160] read to 0xffff88812547577c of 4 bytes by task 7160 on cpu 0:
[   54.819023][ T7160]  tcp_poll+0x1cc/0x6b0
[   54.823156][ T7160]  sock_poll+0xed/0x250
[   54.827286][ T7160]  ep_item_poll.isra.0+0x90/0x190
[   54.832284][ T7160]  ep_send_events_proc+0x113/0x590
[   54.837371][ T7160]  ep_scan_ready_list.constprop.0+0x189/0x500
[   54.843413][ T7160]  ep_poll+0xe3/0x900
[   54.847369][ T7160]  do_epoll_wait+0x162/0x180
[   54.851942][ T7160]  __x64_sys_epoll_pwait+0xcd/0x180
[   54.857122][ T7160]  do_syscall_64+0xcc/0x370
[   54.861609][ T7160]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.867503][ T7160] 
[   54.869811][ T7160] Reported by Kernel Concurrency Sanitizer on:
[   54.875941][ T7160] CPU: 0 PID: 7160 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   54.883369][ T7160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.893399][ T7160] ==================================================================
[   54.901467][ T7160] Kernel panic - not syncing: panic_on_warn set ...
[   54.908029][ T7160] CPU: 0 PID: 7160 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   54.915452][ T7160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.925513][ T7160] Call Trace:
[   54.928786][ T7160]  dump_stack+0xf5/0x159
[   54.933045][ T7160]  panic+0x210/0x640
[   54.936929][ T7160]  ? do_syscall_64+0xcc/0x370
[   54.941582][ T7160]  ? vprintk_func+0x8d/0x140
[   54.946148][ T7160]  kcsan_report.cold+0xc/0x1b
[   54.950810][ T7160]  __kcsan_setup_watchpoint+0x3ee/0x510
[   54.956331][ T7160]  __tsan_read4+0x2c/0x30
[   54.960672][ T7160]  tcp_poll+0x1cc/0x6b0
[   54.964811][ T7160]  ? tcp_alloc_md5sig_pool+0x320/0x320
[   54.970248][ T7160]  sock_poll+0xed/0x250
[   54.974382][ T7160]  ? sock_read_iter+0x1e0/0x1e0
[   54.979220][ T7160]  ep_item_poll.isra.0+0x90/0x190
[   54.984225][ T7160]  ep_send_events_proc+0x113/0x590
[   54.989313][ T7160]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.994935][ T7160]  ep_scan_ready_list.constprop.0+0x189/0x500
[   55.000988][ T7160]  ? ep_loop_check_proc+0x2f0/0x2f0
[   55.006161][ T7160]  ep_poll+0xe3/0x900
[   55.010131][ T7160]  ? __fget+0xb8/0x1d0
[   55.014176][ T7160]  ? __kcsan_setup_watchpoint+0x96/0x510
[   55.019782][ T7160]  ? __fget_light+0xaf/0x190
[   55.024353][ T7160]  do_epoll_wait+0x162/0x180
[   55.028932][ T7160]  __x64_sys_epoll_pwait+0xcd/0x180
[   55.034109][ T7160]  do_syscall_64+0xcc/0x370
[   55.038598][ T7160]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.044463][ T7160] RIP: 0033:0x45b300
[   55.048338][ T7160] 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
[   55.067925][ T7160] RSP: 002b:00007ffeeda76a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   55.076318][ T7160] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045b300
[   55.084265][ T7160] RDX: 0000000000000080 RSI: 00007ffeeda76a58 RDI: 0000000000000004
[   55.092245][ T7160] RBP: 00007ffeeda77058 R08: 0000000000000000 R09: 0000000000000000
[   55.100224][ T7160] R10: 0000000000000000 R11: 0000000000000246 R12: 000000c4203bf800
[   55.108171][ T7160] R13: 0000000000000014 R14: 0000000000000000 R15: 0000000000000000
[   55.117648][ T7160] Kernel Offset: disabled
[   55.121975][ T7160] Rebooting in 86400 seconds..