linux-kernel - Re: [PATCH] afs: Replace simple_strtoul with kstrtoul in afs_parse

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Message-ID: <685978.1748597572@warthog.procyon.org.uk>
Date: Fri, 30 May 2025 10:32:52 +0100
From: David Howells <dhowells@...hat.com>
To: Su Hui <suhui@...china.com>
Cc: dhowells@...hat.com, marc.dionne@...istor.com,
    linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org,
    kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] afs: Replace simple_strtoul with kstrtoul in afs_parse_address

Su Hui <suhui@...china.com> wrote:

> kstrtoul() is better because simple_strtoul() ignores overflow which
> may lead to unexpected results.

Overflow in what sense?  Are we talking about a mathematical overflow or not
checking the text beyond the end of the number?

David