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bug#15863: Segmentation fault when traversing long lines

From: Aaron France
Subject: bug#15863: Segmentation fault when traversing long lines
Date: Mon, 11 Nov 2013 21:46:05 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0

On 11/11/13 21:33, Eli Zaretskii wrote:
Date: Mon, 11 Nov 2013 21:04:28 +0100
From: Aaron France <address@hidden>

I seem to consistently be able to make emacs segfault in both the slime
repl and the rgrep results window. Whenever the line is unusually long
(how long? About 2-300 chars long?) and then go to the end of the line,
it segfaults.
If this is consistent, can you provide a reproducible test case,
starting with "emacs -Q"?

"emacs" -Q does not reproduce the build.
I've got the gdb backtrace, which is in this link:
Thanks, but it's hard to do anything with just this backtrace.  Can
you at least see what was the immediate reason for the crash?  E.g.,
is 'glyph' a NULL pointer?

Also, how come you get truncation glyphs on a GUI frame? did you
disable the fringes or something?

I'll dig some more

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