<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - data race in lld/COFF/ICF.cpp"
href="https://bugs.llvm.org/show_bug.cgi?id=36823">36823</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>data race in lld/COFF/ICF.cpp
</td>
</tr>
<tr>
<th>Product</th>
<td>lld
</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>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>COFF
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>llvm@inglorion.net
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>WARNING: ThreadSanitizer: data race (pid=46028)
Write of size 8 at 0x7ba000075f80 by thread T11:
#0 __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> ></span >
std::__stable_partition_adaptive<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, lld::coff::SectionChunk**,</span >
__gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long, unsigned
long, bool)::$_0>,
long>(__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,</span >
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long,</span >
unsigned long, bool)::$_0>, long, lld::coff::SectionChunk**, long)
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1572
(lld+0xe7c6d8)
#1 __stable_partition<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk
**, std::vector<lld::coff::SectionChunk *,
std::allocator<lld::coff::SectionChunk *> > >,
__gnu_cxx::__ops::_Iter_pred<(lambda at
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:103:59)> >
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1626
(lld+0xe7a265)
#2 stable_partition<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk
**, std::vector<lld::coff::SectionChunk *,
std::allocator<lld::coff::SectionChunk *> > >, (lambda at
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:103:59)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1661
(lld+0xe7a265)
#3 segregate /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:102
(lld+0xe7a265)
#4 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:247
(lld+0xe7f45d)
#5 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7f45d)
#6 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe7d514)
#7 forEachClassRange
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:185 (lld+0xe7d514)
#8 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:205
(lld+0xe7d514)
#9 operator()
/usr/local/google/home/inglorion/llvm/llvm/include/llvm/Support/Parallel.h:179
(lld+0xe7d514)
#10 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7d514)
#11 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe89790)
#12 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:134
(lld+0xe89790)
#13 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe89790)
#14 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe88fa2)
#15 work
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:111
(lld+0xe88fa2)
#16 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80
(lld+0xe890f3)
#17 __invoke_impl<void, (lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:60
(lld+0xe890f3)
#18 __invoke<(lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:95
(lld+0xe890f3)
#19 _M_invoke<0>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:234
(lld+0xe890f3)
#20 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:243
(lld+0xe890f3)
#21 _M_run
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:186
(lld+0xe890f3)
#22 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Previous read of size 8 at 0x7ba000075f80 by thread T10:
#0 findBoundary /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:173
(lld+0xe7d715)
#1 forEachClassRange
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:181 (lld+0xe7d715)
#2 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:205
(lld+0xe7d715)
#3 operator()
/usr/local/google/home/inglorion/llvm/llvm/include/llvm/Support/Parallel.h:179
(lld+0xe7d715)
#4 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7d715)
#5 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe89790)
#6 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:134
(lld+0xe89790)
#7 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe89790)
#8 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe88fa2)
#9 work
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:111
(lld+0xe88fa2)
#10 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80
(lld+0xe890f3)
#11 __invoke_impl<void, (lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:60
(lld+0xe890f3)
#12 __invoke<(lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:95
(lld+0xe890f3)
#13 _M_invoke<0>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:234
(lld+0xe890f3)
#14 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:243
(lld+0xe890f3)
#15 _M_run
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:186
(lld+0xe890f3)
#16 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Location is heap block of size 16384 at 0x7ba000074000 allocated by main
thread:
#0 operator new(unsigned long)
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_new_delete.cc:57
(lld+0xdd10c9)
#1 allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/ext/new_allocator.h:111
(lld+0xe7b311)
#2 allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/alloc_traits.h:436
(lld+0xe7b311)
#3 _M_allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_vector.h:172
(lld+0xe7b311)
#4 _M_realloc_insert<lld::coff::SectionChunk *const &>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/vector.tcc:406
(lld+0xe7b311)
#5 push_back
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_vector.h:948
(lld+0xe7b311)
#6 run /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:221
(lld+0xe7b311)
#7 lld::coff::doICF(llvm::ArrayRef<lld::coff::Chunk*>)
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:272 (lld+0xe7ba9c)
#8 lld::coff::LinkerDriver::link(llvm::ArrayRef<char const*>)
/usr/local/google/home/inglorion/llvm/lld/COFF/Driver.cpp:1459 (lld+0xe55cdc)
#9 lld::coff::link(llvm::ArrayRef<char const*>, bool, llvm::raw_ostream&)
/usr/local/google/home/inglorion/llvm/lld/COFF/Driver.cpp:72 (lld+0xe4a93f)
#10 main /usr/local/google/home/inglorion/llvm/lld/tools/lld/lld.cpp:129
(lld+0xdd216b)
Thread T11 (tid=46096, running) created by thread T9 at:
#0 pthread_create
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:965
(lld+0xd68655)
#1 std::thread::_M_start_thread(std::unique_ptr<std::thread::_State,
std::default_delete<std::thread::_State> >, void (*)()) ??:?
(libstdc++.so.6+0xbca98)
#2 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Thread T10 (tid=46095, running) created by thread T9 at:
#0 pthread_create
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:965
(lld+0xd68655)
#1 std::thread::_M_start_thread(std::unique_ptr<std::thread::_State,
std::default_delete<std::thread::_State> >, void (*)()) ??:?
(libstdc++.so.6+0xbca98)
#2 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
SUMMARY: ThreadSanitizer: data race
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1572
in __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> ></span >
std::__stable_partition_adaptive<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, lld::coff::SectionChunk**,</span >
__gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long, unsigned
long, bool)::$_0>,
long>(__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,</span >
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long,</span >
unsigned long, bool)::$_0>, long, lld::coff::SectionChunk**, long)
==================
==================
WARNING: ThreadSanitizer: data race (pid=46028)
Write of size 8 at 0x7ba000075f88 by thread T11:
#0 memmove
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/../sanitizer_common/sanitizer_common_interceptors.inc:775
(lld+0xd71f8d)
#1 __copy_m<lld::coff::SectionChunk *>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algobase.h:368
(lld+0xe7c741)
#2 __copy_move_a<true, lld::coff::SectionChunk **, lld::coff::SectionChunk
**>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algobase.h:385
(lld+0xe7c741)
#3 __copy_move_a2<true, lld::coff::SectionChunk **,
__gnu_cxx::__normal_iterator<lld::coff::SectionChunk **,
std::vector<lld::coff::SectionChunk *, std::allocator<lld::coff::SectionChunk
*> > > >
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algobase.h:422
(lld+0xe7c741)
#4 move<lld::coff::SectionChunk **,
__gnu_cxx::__normal_iterator<lld::coff::SectionChunk **,
std::vector<lld::coff::SectionChunk *, std::allocator<lld::coff::SectionChunk
*> > > >
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algobase.h:487
(lld+0xe7c741)
#5 __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> ></span >
std::__stable_partition_adaptive<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, lld::coff::SectionChunk**,</span >
__gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long, unsigned
long, bool)::$_0>,
long>(__gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__normal_iterator<lld::coff::SectionChunk**,</span >
std::vector<lld::coff::SectionChunk*, std::allocator<lld::coff::SectionChunk*>
<span class="quote">> >, __gnu_cxx::__ops::_Iter_pred<lld::coff::ICF::segregate(unsigned long,</span >
unsigned long, bool)::$_0>, long, lld::coff::SectionChunk**, long)
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1581
(lld+0xe7c741)
#6 __stable_partition<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk
**, std::vector<lld::coff::SectionChunk *,
std::allocator<lld::coff::SectionChunk *> > >,
__gnu_cxx::__ops::_Iter_pred<(lambda at
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:103:59)> >
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1626
(lld+0xe7a265)
#7 stable_partition<__gnu_cxx::__normal_iterator<lld::coff::SectionChunk
**, std::vector<lld::coff::SectionChunk *,
std::allocator<lld::coff::SectionChunk *> > >, (lambda at
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:103:59)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algo.h:1661
(lld+0xe7a265)
#8 segregate /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:102
(lld+0xe7a265)
#9 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:247
(lld+0xe7f45d)
#10 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7f45d)
#11 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe7d514)
#12 forEachClassRange
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:185 (lld+0xe7d514)
#13 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:205
(lld+0xe7d514)
#14 operator()
/usr/local/google/home/inglorion/llvm/llvm/include/llvm/Support/Parallel.h:179
(lld+0xe7d514)
#15 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7d514)
#16 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe89790)
#17 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:134
(lld+0xe89790)
#18 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe89790)
#19 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe88fa2)
#20 work
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:111
(lld+0xe88fa2)
#21 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80
(lld+0xe890f3)
#22 __invoke_impl<void, (lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:60
(lld+0xe890f3)
#23 __invoke<(lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:95
(lld+0xe890f3)
#24 _M_invoke<0>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:234
(lld+0xe890f3)
#25 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:243
(lld+0xe890f3)
#26 _M_run
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:186
(lld+0xe890f3)
#27 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Previous read of size 8 at 0x7ba000075f88 by thread T10:
#0 findBoundary /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:173
(lld+0xe7d715)
#1 forEachClassRange
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:181 (lld+0xe7d715)
#2 operator() /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:205
(lld+0xe7d715)
#3 operator()
/usr/local/google/home/inglorion/llvm/llvm/include/llvm/Support/Parallel.h:179
(lld+0xe7d715)
#4 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe7d715)
#5 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe89790)
#6 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:134
(lld+0xe89790)
#7 _M_invoke
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:316
(lld+0xe89790)
#8 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/std_function.h:706
(lld+0xe88fa2)
#9 work
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:111
(lld+0xe88fa2)
#10 operator()
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80
(lld+0xe890f3)
#11 __invoke_impl<void, (lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:60
(lld+0xe890f3)
#12 __invoke<(lambda at
/usr/local/google/home/inglorion/llvm/llvm/lib/Support/Parallel.cpp:80:21)>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/invoke.h:95
(lld+0xe890f3)
#13 _M_invoke<0>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:234
(lld+0xe890f3)
#14 operator()
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:243
(lld+0xe890f3)
#15 _M_run
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/thread:186
(lld+0xe890f3)
#16 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Location is heap block of size 16384 at 0x7ba000074000 allocated by main
thread:
#0 operator new(unsigned long)
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_new_delete.cc:57
(lld+0xdd10c9)
#1 allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/ext/new_allocator.h:111
(lld+0xe7b311)
#2 allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/alloc_traits.h:436
(lld+0xe7b311)
#3 _M_allocate
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_vector.h:172
(lld+0xe7b311)
#4 _M_realloc_insert<lld::coff::SectionChunk *const &>
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/vector.tcc:406
(lld+0xe7b311)
#5 push_back
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_vector.h:948
(lld+0xe7b311)
#6 run /usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:221
(lld+0xe7b311)
#7 lld::coff::doICF(llvm::ArrayRef<lld::coff::Chunk*>)
/usr/local/google/home/inglorion/llvm/lld/COFF/ICF.cpp:272 (lld+0xe7ba9c)
#8 lld::coff::LinkerDriver::link(llvm::ArrayRef<char const*>)
/usr/local/google/home/inglorion/llvm/lld/COFF/Driver.cpp:1459 (lld+0xe55cdc)
#9 lld::coff::link(llvm::ArrayRef<char const*>, bool, llvm::raw_ostream&)
/usr/local/google/home/inglorion/llvm/lld/COFF/Driver.cpp:72 (lld+0xe4a93f)
#10 main /usr/local/google/home/inglorion/llvm/lld/tools/lld/lld.cpp:129
(lld+0xdd216b)
Thread T11 (tid=46096, running) created by thread T9 at:
#0 pthread_create
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:965
(lld+0xd68655)
#1 std::thread::_M_start_thread(std::unique_ptr<std::thread::_State,
std::default_delete<std::thread::_State> >, void (*)()) ??:?
(libstdc++.so.6+0xbca98)
#2 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
Thread T10 (tid=46095, running) created by thread T9 at:
#0 pthread_create
/usr/local/google/home/inglorion/llvm/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:965
(lld+0xd68655)
#1 std::thread::_M_start_thread(std::unique_ptr<std::thread::_State,
std::default_delete<std::thread::_State> >, void (*)()) ??:?
(libstdc++.so.6+0xbca98)
#2 std::error_code::default_error_condition() const ??:?
(libstdc++.so.6+0xbc7e2)
SUMMARY: ThreadSanitizer: data race
/usr/lib/gcc/x86_64-linux-gnu/7.3.0/../../../../include/c++/7.3.0/bits/stl_algobase.h:368
in __copy_m<lld::coff::SectionChunk *>
==================
ThreadSanitizer: reported 2 warnings</pre>
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