linux-kernel - Re: [ofa-general] Re: [PATCH 00 of 33] Set of ipath patches for 2.6.22

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Message-ID: <adahcrnoiie.fsf@cisco.com>
Date:	Tue, 10 Apr 2007 17:35:21 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	"Bryan O'Sullivan" <bos@...hscale.com>
Cc:	openib-general@...nfabrics.org, linux-kernel@...r.kernel.org
Subject: Re: [ofa-general] Re: [PATCH 00 of 33] Set of ipath patches for 2.6.22

 > Is there any chance of getting a fix for the use-after-free that can
 > be caused by allocating something from userspace, failing to mmap the
 > buffer and then exiting?  To see what happens, look at how
 > ipath_create_cq sticks a struct ipath_mmap_info into the pending mmap
 > "list" (and yes it would be much cleaner to just use struct list_head
 > here rather than reimplementing a linked list yourself), and then look
 > at how ipath_destroy_cq() frees the same structure without checking if
 > it has been removed from the pending mmap list.

By the way, would it help get this fixed if I opened a bug on openfabrics.org?
Or is that a waste of time?
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