[Poppler-bugs] [Bug 76445] SEGV in RescaleDrawImage::getRow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76445

--- Comment #6 from Adrian Johnson <ajohnson at redneon.com> ---
(In reply to comment #5)
> So, if I understand correctly, the problem is that for buggy PDF documents,
> ImageStream::getLine can return NULL, right?

Correct.

> What about the other places
> where we use it too?

I would wait for a PDF that reproduces the problem before I fix it.

> Could we make getRow() return bool and abort the image
> decode when it returns false?

We want to continue on with rendering as much of the document as possible. It
is easier to return zero data when the image stream fails than to add checks
all the way up the stack trace to the drawImage function to handle an error
status.

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