7447e2b337
It was possible to end up with a dangling pointer in m_listStack.
This is now avoided by using QPointer and doing nullptr checks before
accessing any QTextList pointer stored there.
We have 2 specimens of garbage that caused crashes before; now they don't.
But only fuzz20450 triggered the dangling pointer in the list stack.
The crash caused by fuzz20580 was fixed by updating md4c from upstream:
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.. | ||
bic/data | ||
cmake | ||
concurrent | ||
corelib | ||
dbus | ||
gui | ||
guiapplauncher | ||
installed_cmake | ||
network | ||
opengl | ||
other | ||
printsupport | ||
shared | ||
sql | ||
testlib | ||
tools | ||
widgets | ||
xml | ||
auto.pro | ||
network-settings.h |