linux-kernel - Re: [git pull] vfs.git misc stuff

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Message-ID: <YDp++xQkiawy2z2r@zeniv-ca.linux.org.uk>
Date:   Sat, 27 Feb 2021 17:18:51 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [git pull] vfs.git misc stuff

On Sat, Feb 27, 2021 at 08:21:55AM -0800, Linus Torvalds wrote:
> On Fri, Feb 26, 2021 at 10:00 PM Al Viro <viro@...iv.linux.org.uk> wrote:
> >
> > Al Viro (3):
> >       9p: fix misuse of sscanf() in v9fs_stat2inode()
> 
> Hmm. Technically this changes some of the rules. It used to check that
> i tall fit in 32 bytes. Now there could be arbitrary spaces in there
> that pushes it over the limit.
> 
> I don't think we care, but..

	I doubt that something was sending "HARDLINKCOUNT                 123"
*and* relying upon the truncation to have that parsed as 1 rather than 123...