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Re: Segfault during fontification of rgrep buffers [HELP NEEDED]

From: Herwig Hochleitner
Subject: Re: Segfault during fontification of rgrep buffers [HELP NEEDED]
Date: Wed, 26 Oct 2016 20:44:55 +0200

2016-10-26 20:36 GMT+02:00 Noam Postavsky <address@hidden>:
On Wed, Oct 26, 2016 at 12:09 PM, Herwig Hochleitner
<address@hidden> wrote:
> Hi,
> I've been hunting a segfault during usage of rgrep for some time, now I've
> managed to catch it in gdb. From the looks of it, BEGV_ADDR is changed
> during a single run of search_buffer, which leaves a stale pointer in a
> local variable.

This is almost certainly the same bug as #24358. You can try building
with REL_ALLOC=no, or applying

That looks like the issue. I'll do a test build, and if successful, will add the patch to NixOS' emacs 25.1 build.


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