GNU bug report logs - #52461
spontaneous crash with portable dumper

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Message #17 received at 52461 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Pip Cet <pipcet <at> gmail.com>
Cc: 52461 <at> debbugs.gnu.org, mituharu <at> math.s.chiba-u.ac.jp
Subject: Re: bug#52461: spontaneous crash with portable dumper
Date: Mon, 13 Dec 2021 18:52:51 +0200

> From: Pip Cet <pipcet <at> gmail.com>
> Date: Mon, 13 Dec 2021 14:43:55 +0000
> Cc: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>, 52461 <at> debbugs.gnu.org
> 
> What we can try is debugging the crashing temacs binary, setting a
> breakpoint to the point where define-charset-internal calls xpalloc
> (in a very strange manner), at about line 1126 in charset.c, and zero
> the memory after the call by executing
>   memset (new_table, 0, new_size * sizeof (new_table[0]))
> in the debugger (I don't use lldb so I'm not sure precisely how to do
> that), then continuing to the memcpy.
> 
> If that fixes things, we should make the obvious change, I think.

Sounds like a plan, thanks.

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