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Re: [PATCH 03/17] qapi: Fix crash on stray double quote character


From: Juan Quintela
Subject: Re: [PATCH 03/17] qapi: Fix crash on stray double quote character
Date: Fri, 28 Apr 2023 19:54:16 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux)

Markus Armbruster <armbru@redhat.com> wrote:
> When the lexer chokes on a stray character, its shows the characters
> until the next structural character in the error message.

You have a problem

> It uses a regular expression

You use regular expresions.

Now you have two problems.

Yes, I had to do it.

> to match a non-empty string of non-structural
> characters.  Bug: the regular expression treats '"' as structural.
> When the lexer chokes on '"', the match fails, and trips
> must_match()'s assertion.  Fix the regular expression.
>
> Fixes: 14c32795024c (qapi: Improve reporting of lexical errors)
> Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>




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