linux-kernel - Re: [PATCH] isofs: fix undefined behavior in iso

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Message-ID: <CAKdjhyD8Nn+h77xGRcaHvDNA+Xw_UBzr7TBAoSs-=geUs+f0eQ@mail.gmail.com>
Date:   Thu, 13 Jul 2023 15:22:42 +0800
From:   linke li <lilinke99@...il.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Linke Li <lilinke99@...mail.com>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH] isofs: fix undefined behavior in iso_date()

Thanks for your reply.
> This certainly fixes the problem, but wouldn't it be easier to get the
> compiler to do the work for us?
 I don't know which solution is better, but it does avoid this problem.
Like
    tz = (int)(signed char)p[6];