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<base href="https://bugs.llvm.org/">
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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 - Cross-dso CFI crash: Assertion `SanOpts.has(Checked[0].second)' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=37898">37898</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Cross-dso CFI crash: Assertion `SanOpts.has(Checked[0].second)' failed.
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</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>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>eugeni.stepanov@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ touch 1.c
$ echo 'src:*' >1.txt
$ bin/clang -c 1.c -fsanitize-blacklist=1.txt -fsanitize=cfi-vcall -flto
-fsanitize-cfi-cross-dso -fvisibility=default -fno-sanitize-trap=all
clang-7.0: /code/llvm-project/clang/lib/CodeGen/CGExpr.cpp:2914: void
clang::CodeGen::CodeGenFunction::EmitCheck(ArrayRef<std::pair<llvm::Value *,
SanitizerMask> >, clang::CodeGen::SanitizerHandler, ArrayRef<llvm::Constant *>,
ArrayRef<llvm::Value *>): Assertion `SanOpts.has(Checked[0].second)' failed.
Stack dump:
0. Program arguments: /code/build-llvm/bin/clang-7.0 -cc1 -triple
x86_64-unknown-linux-gnu -emit-llvm-bc -flto -flto-unit -disable-free
-main-file-name 1.c -mrelocation-model pic -pic-level 2 -pic-is-pie
-mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose
-mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64
-dwarf-column-info -debugger-tuning=gdb -coverage-notes-file
/code/build-llvm/1.gcno -resource-dir /code/build-llvm/lib/clang/7.0.0
-internal-isystem /usr/local/include -internal-isystem
/code/build-llvm/lib/clang/7.0.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdebug-compilation-dir /code/build-llvm
-ferror-limit 19 -fmessage-length 128 -fvisibility default -fsanitize=cfi-vcall
-fsanitize-blacklist=/code/build-llvm/lib/clang/7.0.0/share/cfi_blacklist.txt
-fsanitize-blacklist=1.txt -fdepfile-entry=1.txt -fsanitize-cfi-cross-dso
-fobjc-runtime=gcc -fdiagnostics-show-option -fcolor-diagnostics -o 1.o -x c
1.c
1. <eof> parser at end of file
2. Per-file LLVM IR generation
#0 0x00000000021906b9 PrintStackTraceSignalHandler(void*)
(/code/build-llvm/bin/clang-7.0+0x21906b9)
#1 0x000000000218e655 llvm::sys::RunSignalHandlers()
(/code/build-llvm/bin/clang-7.0+0x218e655)
#2 0x0000000002190864 SignalHandler(int)
(/code/build-llvm/bin/clang-7.0+0x2190864)
#3 0x00007fa87f5cd0c0 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x110c0)
#4 0x00007fa87e15efcf gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x32fcf)
#5 0x00007fa87e1603fa abort (/lib/x86_64-linux-gnu/libc.so.6+0x343fa)
#6 0x00007fa87e157e37 (/lib/x86_64-linux-gnu/libc.so.6+0x2be37)
#7 0x00007fa87e157ee2 (/lib/x86_64-linux-gnu/libc.so.6+0x2bee2)
#8 0x00000000025be810
clang::CodeGen::CodeGenFunction::LoadPassedObjectSize(clang::Expr const*,
clang::QualType) (/code/build-llvm/bin/clang-7.0+0x25be810)
#9 0x00000000025d196e clang::CodeGen::CodeGenFunction::EmitCfiCheckFail()
(/code/build-llvm/bin/clang-7.0+0x25d196e)
#10 0x0000000002410a30 clang::CodeGen::CodeGenModule::Release()
(/code/build-llvm/bin/clang-7.0+0x2410a30)
#11 0x0000000002c4d0f8 (anonymous
namespace)::CodeGeneratorImpl::HandleTranslationUnit(clang::ASTContext&)
(/code/build-llvm/bin/clang-7.0+0x2c4d0f8)
#12 0x0000000002c4a4f7
clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&)
(/code/build-llvm/bin/clang-7.0+0x2c4a4f7)
#13 0x00000000034ac6b4 clang::ParseAST(clang::Sema&, bool, bool)
(/code/build-llvm/bin/clang-7.0+0x34ac6b4)
#14 0x000000000286d93b clang::FrontendAction::Execute()
(/code/build-llvm/bin/clang-7.0+0x286d93b)
#15 0x000000000282a331
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/code/build-llvm/bin/clang-7.0+0x282a331)
#16 0x00000000029596a1
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/code/build-llvm/bin/clang-7.0+0x29596a1)
#17 0x0000000000916442 cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/code/build-llvm/bin/clang-7.0+0x916442)
#18 0x0000000000914a91 main (/code/build-llvm/bin/clang-7.0+0x914a91)
#19 0x00007fa87e14c2b1 __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x202b1)
#20 0x0000000000911b8a _start (/code/build-llvm/bin/clang-7.0+0x911b8a)</pre>
</div>
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