From: "J. Bruce Fields" <bfields@fieldses.org>
To: sdrb <sdrb@onet.eu>
Cc: linux-nfs@vger.kernel.org, steved@redhat.com, chuck.lever@oracle.com
Subject: Re: Issue in nfs-utils 1.2.3
Date: Wed, 12 Jan 2011 11:04:59 -0500 [thread overview]
Message-ID: <20110112160459.GA6124@fieldses.org> (raw)
In-Reply-To: <4D2DB1D8.8030606@onet.eu>
On Wed, Jan 12, 2011 at 02:51:20PM +0100, sdrb wrote:
> I've investigated a little the sources and I noticed that probably
> there should be some pointer NULL-ed in mountlist_list() procedure
> like in patch I've attached.
>
> Anyone can confirm that such a fix is ok?
Thanks for the report.
I haven't tried to verify that it could cause the backtrace you saw, but
clearly mlist is used after that mountlist_freeall(mlist), so your patch
is necessary.
Looks like this was introduced with a8348c2c4 "mountd: Add
mountlist_freeall()".
--b.
> diff -rNup nfs-utils-1.2.3_orig/utils/mountd/rmtab.c nfs-utils-1.2.3/utils/mountd/rmtab.c
> --- nfs-utils-1.2.3/utils/mountd/rmtab.c 2010-09-28 14:24:16.000000000 +0200
> +++ nfs-utils-1.2.3/utils/mountd/rmtab.c 2011-01-12 14:44:22.320000000 +0100
> @@ -205,6 +205,7 @@ mountlist_list(void)
> }
> if (stb.st_mtime != last_mtime) {
> mountlist_freeall(mlist);
> + mlist=NULL;
> last_mtime = stb.st_mtime;
>
> setrmtabent("r");
next prev parent reply other threads:[~2011-01-12 16:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 11:31 Issue in nfs-utils 1.2.3 sdrb
2011-01-12 13:51 ` sdrb
2011-01-12 16:04 ` J. Bruce Fields [this message]
2011-01-13 15:47 ` Chuck Lever
2011-01-13 15:52 ` J. Bruce Fields
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