From: Al Viro <viro@ZenIV.linux.org.uk>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] vfs: fix vmplice_to_user()
Date: Tue, 27 May 2014 18:51:57 +0100 [thread overview]
Message-ID: <20140527175157.GU18016@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20140527144116.GK17233@tucsk.piliscsaba.szeredi.hu>
On Tue, May 27, 2014 at 04:41:16PM +0200, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@suse.cz>
>
> Commit 6130f5315ee8 "switch vmsplice_to_user() to copy_page_to_iter()" in
> v3.15-rc1 broke vmsplice(2).
>
> This patch fixes two bugs:
>
> - count is not initialized to a proper value, which resulted in no data
> being copied
>
> - if rw_copy_check_uvector() returns negative then the iov might be leaked.
>
> Tested OK.
Applied, will push tonight.
next prev parent reply other threads:[~2014-05-27 17:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-27 14:41 [PATCH] vfs: fix vmplice_to_user() Miklos Szeredi
2014-05-27 17:04 ` Linus Torvalds
2014-05-27 17:57 ` Al Viro
2014-05-27 17:51 ` Al Viro [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-05-27 19:25 George Spelvin
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