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From: Eli Zaretskii <eliz@gnu.org>
To: Pip Cet <pipcet@gmail.com>
Cc: 52461@debbugs.gnu.org
Subject: bug#52461: spontaneous crash with portable dumper
Date: Mon, 13 Dec 2021 18:52:51 +0200	[thread overview]
Message-ID: <83zgp4la58.fsf@gnu.org> (raw)
In-Reply-To: <CAOqdjBeCQuTO503suUZCo0nQWgD9-44HyUQAp1xjL5NBXHZLFg@mail.gmail.com> (message from Pip Cet on Mon, 13 Dec 2021 14:43:55 +0000)

> From: Pip Cet <pipcet@gmail.com>
> Date: Mon, 13 Dec 2021 14:43:55 +0000
> Cc: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>, 52461@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.





  reply	other threads:[~2021-12-13 16:52 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-13  1:38 bug#52461: spontaneous crash with portable dumper YAMAMOTO Mitsuharu
2021-12-13  1:44 ` YAMAMOTO Mitsuharu
2021-12-13 13:31 ` Eli Zaretskii
2021-12-13 14:43   ` Pip Cet
2021-12-13 16:52     ` Eli Zaretskii [this message]
2021-12-14  8:04       ` YAMAMOTO Mitsuharu
2021-12-14 13:20         ` Eli Zaretskii
2021-12-15  3:04           ` YAMAMOTO Mitsuharu
2021-12-15  3:24             ` YAMAMOTO Mitsuharu
2021-12-15  3:30             ` Eli Zaretskii
2021-12-15  4:15               ` YAMAMOTO Mitsuharu

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