https://bugs.kde.org/show_bug.cgi?id=412410
Bug ID: 412410
Summary: Segfault when mouse over on a typedef
Product: kdevelop
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Language Support: CPP (Clang-based)
Assignee: kdevelop-bugs-n...@kde.org
Reporter: alex.mur...@gmx.ch
Target Milestone: ---
SUMMARY
KDevelop will crash when hovering the mouse over a typedef'd forward declared
struct.
STEPS TO REPRODUCE
1) Add foo.h header file to project with following content:
typedef struct foo foo;
void bar(foo* bla);
2) hover your mouse over the type "foo".
OBSERVED RESULT
KDevelop segfaults. GDB backtrace:
#0 0x00007ffff6edf7fe in
KDevelop::PersistentSymbolTable::declarations(KDevelop::IndexedQualifiedIdentifier
const&) const () from /usr/lib64/libKDevPlatformLanguage.so.54
#1 0x00007ffff6ee17f4 in
KDevelop::PersistentSymbolTable::filteredDeclarations(KDevelop::IndexedQualifiedIdentifier
const&, Utils::StorableSet<KDevelop::IndexedTopDUContext,
KDevelop::IndexedTopDUContextIndexConversion,
KDevelop::RecursiveImportRepository, true, Utils::DummyLocker> const&) const ()
from /usr/lib64/libKDevPlatformLanguage.so.54
#2 0x00007ffff6ef32c7 in
KDevelop::DeclarationId::declaration(KDevelop::TopDUContext const*, bool) const
() from /usr/lib64/libKDevPlatformLanguage.so.54
#3 0x00007ffff6e58da0 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#4 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#5 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#6 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#7 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#8 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#9 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#10 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#11 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#12 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#13 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#14 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#15 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#16 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#17 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#18 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#19 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#20 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#21 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#22 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#23 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
#24 0x00007ffff6e58db9 in
KDevelop::AbstractDeclarationNavigationContext::declarationSizeInformation(KDevelop::DUChainPointer<KDevelop::Declaration>
const&, KDevelop::TopDUContext const*) () from
/usr/lib64/libKDevPlatformLanguage.so.54
etc...
Looks like a stack overflow, as there are tens of thousands of the same
function.
EXPECTED RESULT
It shouldn't crash!
SOFTWARE/OS VERSIONS
I'm using dev-util/kdevelop-5.4.1 from Gentoo's package manager.
4.19.66-gentoo #1 SMP Mon Aug 26 14:56:58 CEST 2019 x86_64 AMD Ryzen
Threadripper 1950X 16-Core Processor AuthenticAMD GNU/Linux
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