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<head>
<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Segmentation fault in std::string on revision 217082"
href="http://llvm.org/bugs/show_bug.cgi?id=21341">21341</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Segmentation fault in std::string on revision 217082
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>abyss.7@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The commit was found by git bisection. The commit message looks like:
Make the ASAN RAII object a nop when building w/o ASAN
I get a segfault in my app with a stacktrace:
SEGV on unknown address 0x000000000001 (pc 0x7fea212ac645 bp 0x7fffe545c840 sp
0x7fffe545c500 T0)
#0 0x7fea212ac644 in
std::__1::remove_reference<std::__1::__compressed_pair<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >::__rep,
std::__1::allocator<char> >&>::type&&
std::__1::move<std::__1::__compressed_pair<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >::__rep,
std::__1::allocator<char>
<span class="quote">>&>(std::__1::__compressed_pair<std::__1::basic_string<char,</span >
std::__1::char_traits<char>, std::__1::allocator<char> >::__rep,
std::__1::allocator<char> >&&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/type_traits:1606:5
#1 0x7fea212ac644 in std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char>
<span class="quote">>::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/string:2126
#2 0x7fea212ac644 in std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char>
<span class="quote">>::basic_string(std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/string:2134
#3 0x7fea212ac644 in void std::__1::allocator<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >
<span class="quote">>::construct<std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >
<span class="quote">>(std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >*, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/memory:1645
#4 0x7fea212ac644 in void
std::__1::allocator_traits<std::__1::allocator<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > >
<span class="quote">>::__construct<std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >
<span class="quote">>(std::__1::integral_constant<bool, true>,</span >
std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > >&, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/memory:1572
#5 0x7fea212ac644 in void
std::__1::allocator_traits<std::__1::allocator<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > >
<span class="quote">>::construct<std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> >, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >
<span class="quote">>(std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>,</span >
std::__1::allocator<char> > >&, std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/memory:1453
#6 0x7fea212ac644 in std::__1::vector<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >,
std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > > >::push_back(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> >&&)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/libcxx/exported/include/vector:1613
#7 0x7fea212ac644 in leveldb::(anonymous
namespace)::PosixEnv::GetChildren(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&,
std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > > >*)
/home/user/Projects/test_project/out/Test.gn/../../src/third_party/leveldb/exported/util/env_posix.cc:366</pre>
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