daemon crashed with SIGABRT during XRouter service call #620
Description
daemon wallet crashed with SIGABRT, possibly while making an XRouter service call. No clues in the debug.log but a coredump was produced.
Core was generated by `blocknetd'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f55856197bb in raise () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7f54e9ffb700 (LWP 12765))]
(gdb) bt
#0 0x00007f55856197bb in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f5585604535 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x0000562c0a360bf1 in potential_deadlock_detected (mismatch={...},
mismatch={...}, s2=..., s1=...) at sync.cpp:109
#3 push_lock (locklocation=..., c=<optimized out>) at sync.cpp:133
#4 EnterCritical (pszName=<optimized out>, pszFile=<optimized out>,
nLine=<optimized out>, cs=<optimized out>, fTry=fTry@entry=false)
at sync.cpp:144
#5 0x0000562c0a3da5ce in UniqueLock<AnnotatedMixin<std::recursive_mutex>, std::unique_lock<std::recursive_mutex> >::Enter (nLine=<optimized out>,
pszFile=<optimized out>, pszName=<optimized out>, this=0x7f54e9ff7220)
at ./sync.h:122
#6 UniqueLock<AnnotatedMixin<std::recursive_mutex>, std::unique_lock<std::recursive_mutex> >::UniqueLock (this=0x7f54e9ff7220, mutexIn=...,
pszName=<optimized out>, pszFile=<optimized out>, nLine=<optimized out>,
fTry=<optimized out>) at ./sync.h:150
#7 0x0000562c0a9f4733 in xrouter::App::<lambda(CNode*)>::operator()(CNode *) const (__closure=<optimized out>, pnode=0x7f5504026970)
at xrouter/xrouterapp.cpp:1921
#8 0x0000562c0a9f48c0 in CConnman::ForEachNode<xrouter::App::checkSnodeBan(const NodeAddr&, int)::<lambda(CNode*)> > (func=..., this=<optimized out>)
at /usr/include/c++/8/bits/stl_iterator.h:783
#9 xrouter::App::checkSnodeBan (score=<optimized out>,
node="144.91.116.146:41412", this=<optimized out>)
at xrouter/xrouterapp.cpp:1917
#10 xrouter::App::checkSnodeBan (this=<optimized out>,
node="144.91.116.146:41412", score=<optimized out>)
at xrouter/xrouterapp.cpp:1914
#11 0x0000562c0a9f96b0 in xrouter::App::xrouterCall (
this=0x562c0b0c6180 <xrouter::App::instance()::app>,
command=command@entry=xrouter::xrService,
uuidRet="0acd337a-52aa-4a99-ae6b-150eadd0fad4",
fqServiceName="cpfairprice", confirmations=@0x7f54e9ff9830: 0, params=...)
at xrouter/xrouterapp.cpp:1371
#12 0x0000562c0a9c9f52 in xrService (request=...)
at xrouter/rpcxrouter.cpp:1029
#13 0x0000562c0a5144f5 in CRPCTable::execute (this=<optimized out>,
request=...) at rpc/server.cpp:581
#14 0x0000562c0a62a4d3 in HTTPReq_JSONRPC (req=0x7f5508202310)
at httprpc.cpp:192
#15 0x0000562c0a62b2a9 in std::function<bool (HTTPRequest*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::operator()(HTTPRequest*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const (__args#1="", __args#0=<optimized out>,
this=0x7f5508078230) at /usr/include/c++/8/bits/std_function.h:682
#16 HTTPWorkItem::operator() (this=0x7f5508078200) at httpserver.cpp:54
#17 WorkQueue<HTTPClosure>::Run (this=0x562c0c914cc0) at httpserver.cpp:113
#18 HTTPWorkQueueRun (queue=0x562c0c914cc0) at httpserver.cpp:347
#19 0x00007f55859fdb2f in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#20 0x00007f5585adcfa3 in start_thread ()
from /lib/x86_64-linux-gnu/libpthread.so.0
#21 0x00007f55856db4cf in clone () from /lib/x86_64-linux-gnu/libc.so.6
The backtrace is different than that in #604 although it ends up in the same place.