Got TCP connection from 127.0.0.1:57575
/usr/include/c++/8/bits/stl_vector.h:932: std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = char
; _Alloc = std::allocator<char>; std::vector<_Tp, _Alloc>::reference = char&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]: Assertion '__builtin_expect(__n
< this->size(), true)' failed.

Thread 7 "dnsdist" received signal SIGABRT, Aborted.
[Switching to Thread 0x7ffff0e95700 (LWP 12970)]
0x00007ffff5964f2b in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x00007ffff5964f2b in raise () from /lib64/libc.so.6
#1  0x00007ffff594f561 in abort () from /lib64/libc.so.6
#2  0x00005555555f38d8 in std::__replacement_assert(char const*, int, char const*, char const*) ()
#3  0x00005555557a54bd in tcpClientThread(int) ()
#4  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6                                                                                                              #5  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007ffff5a2800f in clone () from /lib64/libc.so.6
(gdb) thread apply all bt

Thread 11 (Thread 0x7fffea7fc700 (LWP 12974)):
#0  0x00007ffff59f4900 in nanosleep () from /lib64/libc.so.6
#1  0x00007ffff59f47da in sleep () from /lib64/libc.so.6
#2  0x00005555556004a8 in healthChecksThread() ()
#3  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#4  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#5  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fffeaffd700 (LWP 12973)):
#0  0x00007ffff663ba74 in read () from /lib64/libpthread.so.0
#1  0x00005555557d03aa in readn2(int, void*, unsigned long) ()
#2  0x00005555557a51c0 in tcpClientThread(int) ()
#3  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#4  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#5  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fffeb7fe700 (LWP 12972)):
#0  0x00007ffff59f4900 in nanosleep () from /lib64/libc.so.6
#1  0x00007ffff59f47da in sleep () from /lib64/libc.so.6
#2  0x00005555555fc89c in maintThread() ()
#3  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#4  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#5  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fffebfff700 (LWP 12971)):
#0  0x00007ffff59f4900 in nanosleep () from /lib64/libc.so.6
#1  0x00007ffff59f47da in sleep () from /lib64/libc.so.6
#2  0x0000555555626ef6 in carbonDumpThread() ()
#3  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#4  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#5  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7ffff0e95700 (LWP 12970)):
#0  0x00007ffff5964f2b in raise () from /lib64/libc.so.6
#1  0x00007ffff594f561 in abort () from /lib64/libc.so.6
#2  0x00005555555f38d8 in std::__replacement_assert(char const*, int, char const*, char const*) ()
#3  0x00005555557a54bd in tcpClientThread(int) ()
#4  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#5  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7ffff1696700 (LWP 12969)):
#0  0x00007ffff5a2991f in accept4 () from /lib64/libc.so.6
#1  0x00005555557a576e in tcpAcceptorThread(void*) ()
#2  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#3  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#4  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7ffff1e97700 (LWP 12968)):
#0  0x00007ffff5a2991f in accept4 () from /lib64/libc.so.6
#1  0x00005555557a576e in tcpAcceptorThread(void*) ()
#2  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#3  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#4  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7ffff2698700 (LWP 12967)):
#0  0x00007ffff663cc57 in recvmsg () from /lib64/libpthread.so.0
#1  0x0000555555604790 in udpClientThread(ClientState*) ()
#2  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#3  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#4  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7ffff2e99700 (LWP 12966)):
#0  0x00007ffff663bf1e in recv () from /lib64/libpthread.so.0
#1  0x00005555555fdba4 in responderThread(std::shared_ptr<DownstreamState>) ()
#2  0x0000555555609f03 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void* (*)(std::shared_ptr<DownstreamState>), std::shared_ptr<DownstreamState> > > >:
---Type <return> to continue, or q <return> to quit---
:_M_run() ()
#3  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#4  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#5  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7ffff369a700 (LWP 12965)):
#0  0x00007ffff5a1d589 in poll () from /lib64/libc.so.6
#1  0x00005555557cb873 in waitForRWData(int, bool, int, int, bool*, bool*) ()
#2  0x0000555555614255 in ObjectPipe<DelayPipe<DelayedPacket>::Combo>::readTimeout(DelayPipe<DelayedPacket>::Combo*, double) ()
#3  0x000055555561839d in DelayPipe<DelayedPacket>::worker() ()
#4  0x00007ffff6358513 in ?? () from /lib64/libstdc++.so.6
#5  0x00007ffff6632594 in start_thread () from /lib64/libpthread.so.0
#6  0x00007ffff5a2800f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7ffff7fca540 (LWP 12955)):
#0  0x00007ffff663ba74 in read () from /lib64/libpthread.so.0
#1  0x00007ffff7935502 in read_char () from /lib64/libedit.so.0
#2  0x00007ffff79358c0 in el_wgetc () from /lib64/libedit.so.0
#3  0x00007ffff7935a1b in el_wgets () from /lib64/libedit.so.0
#4  0x00007ffff7930ef7 in el_gets () from /lib64/libedit.so.0
#5  0x00007ffff794345a in readline () from /lib64/libedit.so.0
#6  0x000055555562bc4f in doConsole() ()
#7  0x00005555555cf4cf in main ()
(gdb)