From: Andrew Morton <akpm@digeo.com>
To: Oleg Drokin <green@namesys.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.5] double free in ext2?
Date: Fri, 7 Mar 2003 02:11:39 -0800 [thread overview]
Message-ID: <20030307021139.5268cc44.akpm@digeo.com> (raw)
In-Reply-To: <20030307130655.A17819@namesys.com>
Oleg Drokin <green@namesys.com> wrote:
>
> Hello!
>
> I am playing with smatch and while testing my improved version of
> unfree.pl, I seems to have found a double free condition in ext2:
>
> fs/ext2/super.c::ext2_fill_super() (I am looking at yesterday's 2.5 snapshot)
>
> in line 784 we do kfree(sbi->s_group_desc); (then print "EXT2-fs: unable to read group descriptors\n")
> and go to failed_mount_group_desc, which reads (from line 821):
> failed_mount_group_desc:
> kfree(sbi->s_group_desc);
>
yes, bug. Thanks.
prev parent reply other threads:[~2003-03-07 10:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-07 10:06 Oleg Drokin
2003-03-07 10:11 ` Andrew Morton [this message]
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