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From: Karel Zak <kzak@redhat.com>
To: Sami Kerola <kerolasa@iki.fi>
Cc: util-linux@vger.kernel.org
Subject: Re: [PATCH 00/12] pull: race fixes
Date: Mon, 9 Nov 2015 09:58:48 +0100	[thread overview]
Message-ID: <20151109085848.GR19508@ws.net.home> (raw)
In-Reply-To: <1446319284-24778-1-git-send-email-kerolasa@iki.fi>

On Sat, Oct 31, 2015 at 07:21:12PM +0000, Sami Kerola wrote:
>   login: fix stat(2) race
>   swapon: fix stat(3) and open(3) race
>   fsck: retire stat(3) when access(3) does better job
>   agetty: fix chown(3), chmod(3) and open(3) race
>   script, hwclock: check file exist with access(3) rather than stat(3)

 Applied, thanks.

>   lib/fileutils: add is_same_inode() check
>   include/blkdev: add open_blkdev_or_file() function
>   mkfs.bfs: fix block device open race
>   mkfs.minix: fix block device open race
>   mkswap: fix block device open race
>   mesg: fix multiple races
>   fdformat: fix block device open race

 Here I don't like the pattern

  open_blkdev_or_file()
  fstat()

 IMHO it would be enough to use is_same_inode() to avoid race.

    Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com

  parent reply	other threads:[~2015-11-09  8:58 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-31 19:21 [PATCH 00/12] pull: race fixes Sami Kerola
2015-10-31 19:21 ` [PATCH 01/12] login: fix stat(2) race Sami Kerola
2015-10-31 19:21 ` [PATCH 02/12] swapon: fix stat(3) and open(3) race Sami Kerola
2015-10-31 19:21 ` [PATCH 03/12] fsck: retire stat(3) when access(3) does better job Sami Kerola
2015-10-31 19:21 ` [PATCH 04/12] agetty: fix chown(3), chmod(3) and open(3) race Sami Kerola
2015-11-09  9:01   ` Karel Zak
2015-10-31 19:21 ` [PATCH 05/12] script, hwclock: check file exist with access(3) rather than stat(3) Sami Kerola
2015-11-09  8:43   ` Karel Zak
2015-10-31 19:21 ` [PATCH 06/12] lib/fileutils: add is_same_inode() check Sami Kerola
2015-11-09  8:54   ` Karel Zak
2015-10-31 19:21 ` [PATCH 07/12] include/blkdev: add open_blkdev_or_file() function Sami Kerola
2015-11-09  8:51   ` Karel Zak
2015-11-22 21:27     ` Sami Kerola
2015-10-31 19:21 ` [PATCH 08/12] mkfs.bfs: fix block device open race Sami Kerola
2015-11-09  8:48   ` Karel Zak
2015-11-22 21:24     ` Sami Kerola
2015-10-31 19:21 ` [PATCH 09/12] mkfs.minix: " Sami Kerola
2015-10-31 19:21 ` [PATCH 10/12] mkswap: " Sami Kerola
2015-10-31 19:21 ` [PATCH 11/12] mesg: fix multiple races Sami Kerola
2015-10-31 19:21 ` [PATCH 12/12] fdformat: fix block device open race Sami Kerola
2015-11-09  8:58 ` Karel Zak [this message]
2015-12-02  9:54 ` [PATCH 00/12] pull: race fixes Karel Zak

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