office-gobmx/bridges
Stephan Bergmann 3bcc14b4e2 Fix handling of float vs. double values
...which had been broken ever since f424e55b4e
"INTEGRATION: CWS sixtyfour11 (1.7.22); FILE MERGED" had merged the
typelib_TypeClass_FLOAT case into the typelib_TypeClass_DOUBLE case, and which
caused

> ==612573==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7fff4e6b0700 at pc 0x7f45a9d77d9e bp 0x7fff4e6af3f0 sp 0x7fff4e6af3e8
> WRITE of size 8 at 0x7fff4e6b0700 thread T0
>  #0 in gcc3::callVirtualMethod(void*, unsigned int, void*, _typelib_TypeDescriptionReference*, bool, unsigned long*, unsigned int, unsigned long*, double*) at bridges/source/cpp_uno/gcc3_linux_x86-64/callvirtualmethod.cxx:155:51 (instdir/program/libgcc3_uno.so +0x118d9d)
>  #1 in cpp_call(bridges::cpp_uno::shared::UnoInterfaceProxy*, bridges::cpp_uno::shared::VtableSlot, _typelib_TypeDescriptionReference*, int, _typelib_MethodParameter*, void*, void**, _uno_Any**) at bridges/source/cpp_uno/gcc3_linux_x86-64/uno2cpp.cxx:233:13 (instdir/program/libgcc3_uno.so +0x112c1e)
>  #2 in unoInterfaceProxyDispatch at bridges/source/cpp_uno/gcc3_linux_x86-64/uno2cpp.cxx:330:13 (instdir/program/libgcc3_uno.so +0x10e333)
>  #3 in stoc_corefl::(anonymous namespace)::IdlAttributeFieldImpl::get(com::sun::uno::Any const&) at stoc/source/corereflection/criface.cxx:141:9 (instdir/program/libreflectionlo.so +0x1f89e0)
>  #4 in non-virtual thunk to stoc_corefl::(anonymous namespace)::IdlAttributeFieldImpl::get(com::sun::uno::Any const&) at stoc/source/corereflection/criface.cxx (instdir/program/libreflectionlo.so +0x1fc5fb)
>  #5 in cppu::PropertySetMixinImpl::Impl::getProperty(com::sun::uno::Reference<com::sun::uno::XInterface> const&, rtl::OUString const&, com::sun:🫘:PropertyState*) const at cppuhelper/source/propertysetmixin.cxx:563:24 (instdir/program/libuno_cppuhelpergcc3.so.3 +0x7d5059)
>  #6 in cppu::PropertySetMixinImpl::getPropertyValue(rtl::OUString const&) at cppuhelper/source/propertysetmixin.cxx:994:20 (instdir/program/libuno_cppuhelpergcc3.so.3 +0x7e462f)
>  #7 in reportdesign::OFixedText::getPropertyValue(rtl::OUString const&) at reportdesign/source/core/api/FixedText.cxx:143:34 (instdir/program/../program/librptlo.so +0x7452ad)
>  #8 in non-virtual thunk to reportdesign::OFixedText::getPropertyValue(rtl::OUString const&) at reportdesign/source/core/api/FixedText.cxx (instdir/program/../program/librptlo.so +0x7452eb)
>  #9 in rptui::OPropertyMediator::OPropertyMediator(com::sun::uno::Reference<com::sun:🫘:XPropertySet> const&, com::sun::uno::Reference<com::sun:🫘:XPropertySet> const&, std::__debug::map<rtl::OUString, std::pair<rtl::OUString, std::shared_ptr<rptui::AnyConverter>>, std::less<rtl::OUString>, std::allocator<std::pair<rtl::OUString const, std::pair<rtl::OUString, std::shared_ptr<rptui::AnyConverter>>>>>&&, bool) at reportdesign/source/core/sdr/PropertyForward.cxx:68:119 (instdir/program/../program/librptlo.so +0xbbbdb7)
>  #10 in rptui::OUnoObject::CreateMediator(bool) at reportdesign/source/core/sdr/RptObject.cxx:878:31 (instdir/program/../program/librptlo.so +0xc16451)
>
> Address 0x7fff4e6b0700 is located in stack of thread T0 at offset 4288 in frame
>  #0 in gcc3::callVirtualMethod(void*, unsigned int, void*, _typelib_TypeDescriptionReference*, bool, unsigned long*, unsigned int, unsigned long*, double*) at bridges/source/cpp_uno/gcc3_linux_x86-64/callvirtualmethod.cxx:50 (instdir/program/libgcc3_uno.so +0x1181d7)
>
>   This frame has 3 object(s):
>     [32, 104) 'data' (line 53)
>     [144, 160) 'longs' (line 162)
>     [176, 192) 'doubles' (line 166) <== Memory access at offset 4288 overflows this variable
> HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
>       (longjmp and C++ exceptions *are* supported)
> SUMMARY: AddressSanitizer: dynamic-stack-buffer-overflow bridges/source/cpp_uno/gcc3_linux_x86-64/callvirtualmethod.cxx:155:51 in gcc3::callVirtualMethod(void*, unsigned int, void*, _typelib_TypeDescriptionReference*, bool, unsigned long*, unsigned int, unsigned long*, double*)
> Shadow bytes around the buggy address:
>   0x7fff4e6b0480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0680: 00 00 00 00 00 00 00 00 00 00 00 00 ca ca ca ca
> =>0x7fff4e6b0700:[04]cb cb cb cb cb cb cb 00 00 00 00 00 00 00 00
>   0x7fff4e6b0780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>   0x7fff4e6b0980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> Shadow byte legend (one shadow byte represents 8 application bytes):
>   Addressable:           00
>   Partially addressable: 01 02 03 04 05 06 07
>   Heap left redzone:       fa
>   Freed heap region:       fd
>   Stack left redzone:      f1
>   Stack mid redzone:       f2
>   Stack right redzone:     f3
>   Stack after return:      f5
>   Stack use after scope:   f8
>   Global redzone:          f9
>   Global init order:       f6
>   Poisoned by user:        f7
>   Container overflow:      fc
>   Array cookie:            ac
>   Intra object redzone:    bb
>   ASan internal:           fe
>   Left alloca redzone:     ca
>   Right alloca redzone:    cb
> ==612573==ABORTING

when opening <https://bugs.documentfoundation.org/attachment.cgi?id=174542>
Example2Fields.odb attached to
<https://bugs.documentfoundation.org/show_bug.cgi?id=144072> "LibreofficeBase
crashed when 2 fields selected in report builder from different sections and
width is adjusted 2nd time" and clicking "Edit..." in the context menu of the
"RptTasks" report.

Change-Id: I318765aede68353d475a0d672e0aea36ed12af29
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155286
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2023-08-03 14:48:33 +02:00
..
inc osl::Mutex->std::mutex in ExceptionInfos 2023-02-01 17:09:12 +00:00
source Fix handling of float vs. double values 2023-08-03 14:48:33 +02:00
CustomTarget_gcc3_linux_arm.mk
Jar_java_uno.mk
Library_cpp_uno.mk android: Switch from GNU binutils to support NDK 23.x, require 21.x 2023-02-16 20:31:39 +00:00
Library_java_uno.mk
Makefile
Module_bridges.mk WASM UNO: add a minimal dummy bridge 2022-01-19 14:26:09 +01:00
Package_jnilib_java_uno.mk
README.md Updated README.md files to represent current code / use Markdown format 2021-04-07 17:47:16 +02:00

UNO Bridges

Bridges from various C++ ABIs, Java JNI, MS .NET to UNO and back. A bridge for .NET is in cli_ure.

Also implementation of the UNO Remote Protocol.