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From: Andrew Morton <akpm@osdl.org>
To: Yichen Xie <yxie@cs.stanford.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUGS] [CHECKER] 99 synchronization bugs and a lock summary database
Date: Thu, 1 Jul 2004 21:38:37 -0700	[thread overview]
Message-ID: <20040701213837.0b97c21e.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0407011747040.4015-100000@kaki.stanford.edu>

Yichen Xie <yxie@cs.stanford.edu> wrote:
>
>     http://glide.stanford.edu/linux-lock/err1.html (69 errors)
>      http://glide.stanford.edu/linux-lock/err2.html (30 errors)

ugh.  Most of these look real.

AFAICT fs/sysv/itree.c:find_shared is innocent.

fs/nfsd/nfsproc.c:nfsd_proc_link is a bit obscure.  There's a bug in a
callee of nfsd_proc_link(): nfsd_link() can forget to do an fh_unlock() on
an error path (the goto out_nfserr).  Is that what the tool is referring
to?

Anyway, I've enumerated these 109 bugs and placed a couple of text files at

   ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/stanford-locking-bugs/

so we can keep track of which of these possible bugs has been fixed or
otherwise disposed of.

If people could track the bugs by those identifiers, that would help.  I
fixed err1-10 and err1-25.

If someone wants to volunteer to maintain this list, that would be nice.

  parent reply	other threads:[~2004-07-02  4:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-02  1:01 [BUGS] [CHECKER] 99 synchronization bugs and a lock summary database Yichen Xie
2004-07-02  4:35 ` Nathan Scott
2004-07-02  7:06   ` Yichen Xie
2004-07-02  7:44     ` Andrew Morton
2004-07-02 16:48       ` Yichen Xie
2004-07-02 20:42       ` Yichen Xie
2004-07-02 21:12         ` Yichen Xie
2004-07-02 22:50           ` J. Bruce Fields
2004-07-02 23:44             ` Yichen Xie
2004-07-02  4:38 ` Andrew Morton [this message]
2004-07-02  7:20   ` Yichen Xie
2004-07-02  7:33     ` Andrew Morton
2004-07-02  7:39   ` Martin Diehl
2004-07-02 10:00   ` Matthias Urlichs
2004-07-02 22:32     ` Andrew Morton
2004-07-02  8:15 ` Andrew Morton
2004-07-02 16:53   ` Yichen Xie
2004-07-02  8:19 ` Andrew Morton
2004-07-02 16:39   ` Yichen Xie
2004-07-02 17:00     ` J. Bruce Fields
2004-07-02  8:47 ` YOSHIFUJI Hideaki / 吉藤英明

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