GNU bug report logs - #79156
igc: igc_xpalloc_ambig SEGV

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Message #14 received at 79156 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Pip Cet <pipcet <at> protonmail.com>, eller.helmut <at> gmail.com,
 79156 <at> debbugs.gnu.org
Subject: Re: bug#79156: igc: igc_xpalloc_ambig SEGV
Date: Sat, 02 Aug 2025 18:41:19 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Ouch. That seems to me to be a bug in how charset.c calls xpalloc, but
>> I'm not sure whether there are other callers that rely on this behavior,
>> so it's safest to work around it.
>
> xpalloc handles this case:
>
>   if (! pa)
>     *nitems = 0;

Yeah, I'd rather check the other igc variants of xpalloc, to make sure
they are compatible with the original, even if no one else uses that
particular feature.

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