[akregator] [Bug 524013] New: Crashing when opening Slashdot RSS feeds

https://bugs.kde.org/show_bug.cgi?id=524013

            Bug ID: 524013
           Summary: Crashing when opening Slashdot RSS feeds
    Classification: Applications
           Product: akregator
      Version First unspecified
       Reported In:
          Platform: Gentoo Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Two days ago Akregator started consistently crashing whenever I view any post
in Slashdot's RSS feed (https://rss.slashdot.org/Slashdot/slashdot). I first
have to click on any of the available Slashdot feeds to open them in the inline
viewer, then the crash happens whenever I click on any other feed. The second
feed does not have to be the Slashdot feed but any feed at all.

I have not updated Akregator or the relevant libraries for a while so I don't
think this is a regression in the code. Since the issue only affects the
Slashdot feed I assume that something has changed on their end.

Here is a backtrace of the crash. Qtwebengine is not built with debugging
symbols but I could rebuild it if really needed. The crash always produces the
same backtrace:

Program terminated with signal SIGTRAP, Trace/breakpoint trap.
#0  0x00007ffb43d1a212 in
content::NavigationRequest::GetOriginForURLLoaderFactoryAfterResponse() () from
/usr/lib64/libQt6WebEngineCore.so.6
[Current thread is 1 (Thread 0x7ffb3745c200 (LWP 54375))]

(gdb) bt
#0  0x00007ffb43d1a212 in
content::NavigationRequest::GetOriginForURLLoaderFactoryAfterResponse() () at
/usr/lib64/libQt6WebEngineCore.so.6
#1  0x00007ffb43d1a830 in
content::NavigationRequest::ComputeCrossOriginIsolationKey() () at
/usr/lib64/libQt6WebEngineCore.so.6
#2  0x00007ffb43d2dd65 in content::NavigationRequest::GetUrlInfo() () at
/usr/lib64/libQt6WebEngineCore.so.6
#3  0x00007ffb43d4024f in
content::NavigationRequest::SelectFrameHostForOnResponseStarted(mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
bool, content::SubresourceLoaderParams) () at
/usr/lib64/libQt6WebEngineCore.so.6
#4  0x00007ffb43d410ac in
content::NavigationRequest::OnResponseStarted(mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
mojo::StructPtr<network::mojom::URLResponseHead>,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>, content::GlobalRequestID,
bool, net::NetworkAnonymizationKey, content::SubresourceLoaderParams,
content::NavigationURLLoaderDelegate::EarlyHints) () at
/usr/lib64/libQt6WebEngineCore.so.6
#5  0x00007ffb43aa1653 in
content::NavigationURLLoaderImpl::NotifyResponseStarted(mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>, content::GlobalRequestID
const&, bool, mojo::StructPtr<network::mojom::URLResponseHead>) () at
/usr/lib64/libQt6WebEngineCore.so.6
#6  0x00007ffb43a9a2e3 in
base::internal::Invoker<base::internal::FunctorTraits<void
(content::NavigationURLLoaderImpl::*&&)(mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>, content::GlobalRequestID
const&, bool, mojo::StructPtr<network::mojom::URLResponseHead>),
base::WeakPtr<content::NavigationURLLoaderImpl>&&,
mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>&&,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>&&,
content::GlobalRequestID&&, bool&&>, base::internal::BindState<true, true,
false, void
(content::NavigationURLLoaderImpl::*)(mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>, content::GlobalRequestID
const&, bool, mojo::StructPtr<network::mojom::URLResponseHead>),
base::WeakPtr<content::NavigationURLLoaderImpl>,
mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>,
mojo::ScopedHandleBase<mojo::DataPipeConsumerHandle>, content::GlobalRequestID,
bool>, void
(mojo::StructPtr<network::mojom::URLResponseHead>)>::RunOnce(base::internal::BindStateBase*,
mojo::StructPtr<network::mojom::URLResponseHead>&&) () at
/usr/lib64/libQt6WebEngineCore.so.6
#7  0x00007ffb43a9d71e in content::NavigationURLLoaderImpl::ParseHeaders(GURL
const&, mojo::StructPtr<network::mojom::URLResponseHead>,
base::OnceCallback<void (mojo::StructPtr<network::mojom::URLResponseHead>)>,
bool) () at /usr/lib64/libQt6WebEngineCore.so.6
#8  0x00007ffb43aa8ddd in
content::NavigationURLLoaderImpl::CallOnReceivedResponse(mojo::StructPtr<network::mojom::URLResponseHead>,
mojo::StructPtr<network::mojom::URLLoaderClientEndpoints>, bool) () at
/usr/lib64/libQt6WebEngineCore.so.6
#9  0x0000000000000009 in ??? ()
#10 0x0000000000000000 in ??? ()

I'm running Akregator on an XFCE desktop on X11. Here are the Gentoo versions
of all the stuff linked into Akregator's address space:
app-arch/bzip2-1.0.8-r5
app-arch/snappy-1.2.2-r1
app-arch/xz-utils-5.8.3
app-arch/zstd-1.5.7-r1
app-crypt/gpgme-2.1.2
app-crypt/libb2-0.98.1-r3
dev-cpp/gpgmepp-2.1.0
dev-libs/double-conversion-3.4.0
dev-libs/expat-2.8.2
dev-libs/glib-2.88.2
dev-libs/icu-78.3
dev-libs/ktextaddons-2.0.2
dev-libs/libassuan-3.0.0-r1
dev-libs/libffi-3.5.2
dev-libs/libgpg-error-1.61
dev-libs/libltdl-2.5.4
dev-libs/libpcre2-10.47
dev-libs/libxml2-2.15.3
dev-libs/libxslt-1.1.45
dev-libs/md4c-0.5.3
dev-libs/nspr-4.39
dev-libs/nss-3.112.5
dev-libs/openssl-3.5.7
dev-libs/qgpgme-2.1.0
dev-libs/wayland-1.24.0
dev-qt/qtbase-6.11.1
dev-qt/qtdeclarative-6.11.1-r1
dev-qt/qtwebchannel-6.11.1
dev-qt/qtwebengine-6.11.1
kde-apps/akonadi-26.04.3
kde-apps/akonadi-contacts-26.04.3
kde-apps/akonadi-mime-26.04.3
kde-apps/akregator-26.04.3
kde-apps/grantleetheme-26.04.3
kde-apps/kidentitymanagement-26.04.3
kde-apps/kmbox-26.04.3
kde-apps/kmime-26.04.3
kde-apps/kontactinterface-26.04.3
kde-apps/kpimtextedit-26.04.3
kde-apps/libgravatar-26.04.3
kde-apps/libkdepim-26.04.3
kde-apps/libkleo-26.04.3
kde-apps/messagelib-26.04.3
kde-apps/pimcommon-26.04.3
kde-frameworks/attica-6.27.0
kde-frameworks/breeze-icons-6.27.0
kde-frameworks/karchive-6.27.0
kde-frameworks/kbookmarks-6.27.0
kde-frameworks/kcodecs-6.27.0
kde-frameworks/kcolorscheme-6.27.0
kde-frameworks/kcompletion-6.27.0
kde-frameworks/kconfig-6.27.0
kde-frameworks/kconfigwidgets-6.27.0
kde-frameworks/kcontacts-6.27.0
kde-frameworks/kcoreaddons-6.27.0
kde-frameworks/kcrash-6.27.0
kde-frameworks/kglobalaccel-6.27.0
kde-frameworks/kguiaddons-6.27.0
kde-frameworks/ki18n-6.27.0
kde-frameworks/kiconthemes-6.27.0
kde-frameworks/kio-6.27.0
kde-frameworks/kitemmodels-6.27.0
kde-frameworks/kitemviews-6.27.0
kde-frameworks/kjobwidgets-6.27.0
kde-frameworks/knewstuff-6.27.0
kde-frameworks/knotifications-6.27.0
kde-frameworks/kpackage-6.27.0
kde-frameworks/kparts-6.27.0
kde-frameworks/kservice-6.27.0
kde-frameworks/kstatusnotifieritem-6.27.0
kde-frameworks/ktexttemplate-6.27.0
kde-frameworks/ktextwidgets-6.27.0
kde-frameworks/kwidgetsaddons-6.27.0
kde-frameworks/kwindowsystem-6.27.0
kde-frameworks/kxmlgui-6.27.0
kde-frameworks/prison-6.27.0
kde-frameworks/purpose-6.27.0
kde-frameworks/solid-6.27.0
kde-frameworks/sonnet-6.27.0
kde-frameworks/syndication-6.27.0
kde-frameworks/syntax-highlighting-6.27.0
media-gfx/graphite2-1.3.14_p20210810-r5
media-gfx/qrencode-4.1.1-r1
media-libs/alsa-lib-1.2.15.3
media-libs/fontconfig-2.17.1
media-libs/freetype-2.14.3
media-libs/harfbuzz-12.3.2
media-libs/lcms-2.19.1
media-libs/libcanberra-0.30-r8
media-libs/libdmtx-0.7.8
media-libs/libglvnd-1.7.0
media-libs/libjpeg-turbo-3.1.4.1
media-libs/libogg-1.3.6
media-libs/libpng-1.6.58
media-libs/libvorbis-1.3.7-r2
media-libs/libwebp-1.6.0
media-libs/mesa-25.1.9
media-libs/openh264-2.6.0
media-libs/openjpeg-2.5.4-r1
media-libs/opus-1.5.2
media-libs/tiff-4.7.1
media-libs/zxing-cpp-2.3.0-r1
net-libs/libproxy-0.5.12-r1
sys-apps/acl-2.3.2-r3
sys-apps/dbus-1.16.2
sys-apps/systemd-utils-260.1-r1
sys-apps/util-linux-2.42.2
sys-devel/gcc-15.3.0
sys-libs/glibc-2.43-r2
sys-libs/zlib-1.3.2-r1
x11-libs/libdrm-2.4.134
x11-libs/libX11-1.8.13
x11-libs/libXau-1.0.12
x11-libs/libxcb-1.17.0
x11-libs/libXcomposite-0.4.7
x11-libs/libXdamage-1.1.7
x11-libs/libXdmcp-1.1.5
x11-libs/libXext-1.3.7
x11-libs/libXfixes-6.0.2
x11-libs/libxkbcommon-1.13.2
x11-libs/libxkbfile-1.2.0
x11-libs/libXrandr-1.5.5
x11-libs/libXrender-0.9.12
x11-libs/libXtst-1.2.5
x11-libs/xcb-util-keysyms-0.4.1

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