[k3b] [Bug 498378] New: k3b crashes on startup with SIGBUS when trying to load libwidevinecdm.so from local Firefox profile

[Aurélien COUDERC]

https://bugs.kde.org/show_bug.cgi?id=498378

            Bug ID: 498378
           Summary: k3b crashes on startup with SIGBUS when trying to load
                    libwidevinecdm.so from local Firefox profile
    Classification: Applications
           Product: k3b
           Version: 24.12.0
          Platform: Debian testing
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k3b at kde.org
          Reporter: coucouf at debian.org
                CC: michalm at jabster.pl, trueg at kde.org
  Target Milestone: ---

Dear maintainers,

k3b is crashing with with SIGBUS when trying to load libwidevinecdm.so from the
local Firefox profile directory.

A workaround is to set the environment variable
QTWEBENGINE_CHROMIUM_FLAGS=--widevine-path=/does-not-exist

This was reported as Debian bug #1091642 [1].

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1091642


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian testing 
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8
Qt Version: 6.7.2

ADDITIONAL INFORMATION
Logs :
===============================================================================
QGuiApplication::setDesktopFileName: the specified desktop file name ends with
.desktop. For compatibility reasons, the .desktop suffix will be removed.
Please specify a desktop file name without .desktop suffix
kf.coreaddons.kaboutdata: QGuiApplication::desktopFileName "org.kde.k3b" is
out-of-sync with KAboutData::applicationData().desktopFileName
"org.kde.k3b.desktop"
QGuiApplication::setDesktopFileName: the specified desktop file name ends with
.desktop. For compatibility reasons, the .desktop suffix will be removed.
Please specify a desktop file name without .desktop suffix
21 21
kf.coreaddons.kaboutdata: QGuiApplication::desktopFileName "org.kde.k3b" is
out-of-sync with KAboutData::applicationData().desktopFileName
"org.kde.k3b.desktop"
[124210:124210:1228/225345.267939:FATAL:zygote_host_impl_linux.cc(208)] Check
failed: . : No such file or directory (2)
fish: Job 1, 'k3b' terminated by signal SIGTRAP (Trace or breakpoint trap)
===============================================================================

Stack :
Thread 1 "k3b" received signal SIGTRAP, Trace/breakpoint trap.
0x00007fffed93a914 in logging::LogMessage::~LogMessage() () from
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
(gdb) bt
#0  0x00007fffed93a914 in logging::LogMessage::~LogMessage() () at
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#1  0x00007fffed93aa11 in logging::ErrnoLogMessage::~ErrnoLogMessage() ()
at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#2  0x00007fffed93e0aa in logging::CheckError::~CheckError() () at
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#3  0x00007fffecb05277 in
content::ZygoteHostImpl::LaunchZygote(base::CommandLine*,
base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*,
std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >) ()
at /lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#4  0x00007fffed1f4b0a in content::(anonymous
namespace)::LaunchZygoteHelper(base::CommandLine*, base::ScopedGeneric<int,
base::internal::ScopedFDCloseTraits>*) () at
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#5  0x00007fffebf8ed11 in
content::ZygoteCommunication::Init(base::OnceCallback<int
(base::CommandLine*, base::ScopedGeneric<int,
base::internal::ScopedFDCloseTraits>*)>) () at
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#6  0x00007fffebf2d785 in
content::CreateGenericZygote(base::OnceCallback<int (base::CommandLine*,
base::ScopedGeneric<int, base::internal::ScopedFDCloseTraits>*)>) () at
/lib/x86_64-linux-gnu/libQt6WebEngineCore.so.6
#7  0x0000000000000030 in ??? ()
#8  0x0000000000000000 in ??? ()

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