GNU bug report logs - #18832
24.4; emacs crashed by eww on some webpages

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Message #23 received at 18832 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Antipov <dmantipov <at> yandex.ru>
To: Евгений Терешков
 <evg-krsk <at> yandex.ru>, Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 18832 <at> debbugs.gnu.org
Subject: Re: bug#18832: 24.4; emacs crashed by eww on some webpages
Date: Tue, 11 Nov 2014 06:15:45 +0300

On 11/11/2014 04:55 AM, Евгений Терешков wrote:

> How can I check wherevers it is problem in my libxml2 build or emacs
> itself?

How do you configure and compile libxml2?  In particular, do you have
--with-debug/--with-mem-debug/--with-run-debug options enabled?

From your backtrace:

...
#14 0x00000000005c3adf in imagemagick_load_image (f=0x2, img=0x7fff55375e30, contents=0x1d16168 \
    "\211PNG\r\n\032\n", size=1384, filename=0x0) at ../../src/image.c:8206
#15 0x00000000005c77f0 in lookup_image (f=f <at> entry=0x114e308, spec=spec <at> entry=29760774) at ../../src/image.c:1694
...

0x114e308 looks like a valid 'struct frame *' pointer, but 0x2 is definitely not.
Usually this means a kind of heap or stack corruption.  It may be useful to compile
Emacs with '-O0 -g3' and run *undumped* (temacs) under valgrind.

Dmitry

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