[Gnash-commit] [bug #39404] invalid read from XMLNode_as::clearChildren()

[Sandro Santilli]

Follow-up Comment #8, bug #39404 (project gnash):

Yes, as explained on IRC if the GC cleans the parent before the child, the
child will find it's _parent member to be NULL, as set by the parent's
destructor (which won't access the child if the child was deleted before as it
will unlink self from parent).

A testcase would need to run for multiple frames as GC only runs on frame
boundary _and_ only if enough GCResources were allocated since last run. So
it'd take some onEnterFrame and big builds of XML, then deletion and more
builds. Could be a fun task.

Maybe gg0 wants to try this one :)

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