bug#20331: 24.5.50; stack trace of a segfault when using eww

[Lars Ingebrigtsen <larsi@gnus.org>]

Richard Kim <Richard.Kim1@synopsys.com> writes:

> You should be able to save this email as an org file for more pleasant
> viewing.  The table of contents of this email is
>
>   Summary of the problem
>   Stack Trace
>     bt full
>   Info inserted by M-x report-emacs-bug
>
> * Summary of the problem
>
>   Emacs segfaults very often; just using eww (and even w3m) for few
>   minutes usually does it for me. So I compiled latest emacs from
>   emacs-24 branch with CFLAGS=-ggdb3 among others.  I then started first
>   emacs, then launched second emacs under gdb of the first.  I was able
>   to get a stack trace of the segfault when I was using eww.
>
> * Stack Trace
>
>    The stack trace seems to have resulted due to derefencing a null
>    pointer in line image.c:7469 shown here
>
>    : img->corners[TOP_CORNER] = gif->SavedImages[0].ImageDesc.Top;
>
>    where =gif=>SavedImages= is 0 as shown below:

Do you have an example image that makes Emacs segfault?

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   bloggy blog: http://lars.ingebrigtsen.no