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From: Theodore Ts'o <tytso@mit.edu>
To: David Miller <davem@davemloft.net>
Cc: torvalds@linux-foundation.org, herbert@gondor.apana.org.au,
	linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: Crypto Fixes for 4.12
Date: Fri, 16 Jun 2017 08:50:07 -0400
Message-ID: <20170616125007.v7t4dlcagy5p3q6u@thunk.org> (raw)
In-Reply-To: <20170615.110118.912361155799259361.davem@davemloft.net>

On Thu, Jun 15, 2017 at 11:01:18AM -0400, David Miller wrote:
> As a side note, ext4 does something similar with a private
> implementation, but it doesn't use something the evaluates to an
> alloca.  Instead it uses a fixed 4-byte size for the shash context
> value in the on-stack declaration.

In ext4's case, we're doing it inside an inline function, and then
using the "return" value from inside the calling function.  Assuming
that gcc actually inlines the function, are we in danger of tripping
over the bug?

						- Ted

  reply index

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-19 10:27 Crypto Fixes for 4.9 Herbert Xu
2016-11-23  5:36 ` Herbert Xu
2016-12-05  6:37 ` Herbert Xu
2016-12-10  6:01   ` Herbert Xu
2016-12-13 13:24 ` Crypto Update for 4.10 Herbert Xu
2017-02-23 12:51   ` Crypto Update for 4.11 Herbert Xu
2017-05-01 14:26     ` Crypto Update for 4.12 Herbert Xu
2017-07-05 13:01     ` Crypto Update for 4.13 Herbert Xu
2017-07-05 20:02       ` Linus Torvalds
2017-07-06  2:19         ` Herbert Xu
2017-07-14 14:18     ` Crypto Fixes " Herbert Xu
2017-07-28  8:49       ` Herbert Xu
2017-08-09 12:04         ` Herbert Xu
2017-08-14  9:43           ` Herbert Xu
2017-09-01  7:53             ` Herbert Xu
2017-09-22  8:44       ` Crypto Fixes for 4.14 Herbert Xu
2017-10-12 10:51         ` Herbert Xu
2017-10-30  7:20           ` Herbert Xu
2017-11-06  6:37             ` Herbert Xu
2017-11-28 23:09         ` Crypto Fixes for 4.15 Herbert Xu
2017-12-11  7:22           ` Herbert Xu
2017-12-22  6:49           ` Herbert Xu
2018-01-05  7:38             ` Herbert Xu
2018-01-12  6:44               ` Herbert Xu
2018-02-12  3:17               ` Crypto Fixes for 4.16 Herbert Xu
2018-04-28  8:05                 ` Crypto Fixes for 4.17 Herbert Xu
2018-05-30 16:17                   ` Herbert Xu
2018-06-22 14:54                   ` Crypto Fixes for 4.18 Herbert Xu
2018-07-08 16:20                     ` Herbert Xu
2018-07-08 18:31                       ` Linus Torvalds
2018-07-09  9:47                         ` Ondrej Mosnáček
2018-07-09 15:52                           ` Linus Torvalds
2018-07-19  7:39                     ` Herbert Xu
2018-08-03  5:44                       ` Herbert Xu
2018-08-09  5:47                         ` Herbert Xu
2018-08-29  3:33                     ` Crypto Fixes for 4.19 Herbert Xu
2018-09-19  6:22                       ` Herbert Xu
2018-09-19 13:23                         ` Greg KH
2018-09-19 16:10                           ` process? [Re: Crypto Fixes for 4.19] Randy Dunlap
2018-09-19 16:40                             ` Greg KH
2018-09-19 16:48                               ` Randy Dunlap
2018-09-19 17:00                                 ` Willy Tarreau
2018-10-05  2:08                         ` Crypto Fixes for 4.19 Herbert Xu
2018-10-05 15:37                           ` Greg KH
2018-11-16  6:31                       ` Crypto Fixes for 4.20 Herbert Xu
2018-12-07  6:14                         ` Herbert Xu
2019-01-18 10:40                           ` Crypto Fixes for 5.0 Herbert Xu
2019-02-01  5:42                             ` Herbert Xu
2019-02-01  7:37                               ` Linus Torvalds
2019-02-15  2:47                               ` [GIT] " Herbert Xu
2019-02-15 17:10                                 ` pr-tracker-bot
2019-02-28  5:56                                 ` Herbert Xu
2019-03-02  0:20                                   ` pr-tracker-bot
2019-03-02  2:42                                   ` Herbert Xu
2019-03-02 17:10                                     ` pr-tracker-bot
2019-03-05  8:11                                 ` [GIT] Crypto Update for 5.1 Herbert Xu
2019-03-05 17:40                                   ` pr-tracker-bot
2019-05-06  3:29                                   ` [GIT] Crypto Update for 5.2 Herbert Xu
2019-05-07  3:25                                     ` pr-tracker-bot
2019-07-08 15:08                                     ` [GIT] Crypto Update for 5.3 Herbert Xu
2019-07-09  4:45                                       ` pr-tracker-bot
2019-03-12  4:58                                 ` [GIT] Crypto Fixes for 5.1 Herbert Xu
2019-03-13 17:10                                   ` pr-tracker-bot
2019-04-08  5:48                                   ` Herbert Xu
2019-04-08  6:25                                     ` pr-tracker-bot
2019-04-18  5:17                                     ` Herbert Xu
2019-04-18 15:20                                       ` pr-tracker-bot
2019-04-25  7:26                                       ` Herbert Xu
2019-04-25 16:25                                         ` pr-tracker-bot
2019-05-15  6:05                                   ` [GIT] Crypto Fixes for 5.2 Herbert Xu
2019-05-15 16:10                                     ` pr-tracker-bot
2019-05-21 12:58                                     ` Herbert Xu
2019-05-21 19:55                                       ` pr-tracker-bot
2019-06-06  6:03                                     ` Herbert Xu
2019-06-06 20:20                                       ` pr-tracker-bot
2019-07-05  4:24                                       ` Herbert Xu
2019-07-05  4:40                                         ` pr-tracker-bot
2019-07-19  3:12                                     ` [GIT] Crypto Fixes for 5.3 Herbert Xu
2019-07-19 19:45                                       ` pr-tracker-bot
2019-08-09  6:15                                       ` Herbert Xu
2019-08-09 16:35                                         ` pr-tracker-bot
2019-08-30  7:39                                         ` Herbert Xu
2019-08-31  2:01                                           ` Linus Torvalds
2019-08-31 12:12                                             ` Herbert Xu
2019-08-31  2:10                                           ` pr-tracker-bot
2017-09-04 10:12     ` Crypto Update for 4.14 Herbert Xu
2017-11-13  7:43       ` Crypto Update for 4.15 Herbert Xu
2018-01-29 14:50         ` Crypto Update for 4.16 Herbert Xu
2018-04-04 15:27           ` Crypto Update for 4.17 Herbert Xu
2018-06-04 17:15             ` Crypto Update for 4.18 Herbert Xu
2018-08-15 12:05               ` Crypto Update for 4.19 Herbert Xu
2018-10-23 10:09         ` Crypto Update for 4.20 Herbert Xu
2018-10-25 23:46           ` Linus Torvalds
2018-12-26 13:22           ` Crypto Update for 4.21 Herbert Xu
2018-12-26 16:49             ` Eric Biggers
2018-12-27  1:03               ` Herbert Xu
2016-12-15 16:07 ` Crypto Fixes for 4.10 Herbert Xu
2016-12-27  9:45   ` Herbert Xu
2016-12-30 10:19     ` Herbert Xu
2017-01-11 11:56   ` Herbert Xu
2017-02-01  9:04     ` Herbert Xu
2017-02-06  9:25       ` Herbert Xu
2017-03-04  7:41     ` Crypto Fixes for 4.11 Herbert Xu
2017-03-15  6:31       ` Herbert Xu
2017-03-24 13:46         ` Herbert Xu
2017-03-31 10:29           ` Herbert Xu
2017-04-10 11:04             ` Herbert Xu
2017-04-18 10:27               ` Herbert Xu
2017-05-23  3:42       ` Crypto Fixes for 4.12 Herbert Xu
2017-06-08  9:23         ` Herbert Xu
2017-06-08 14:05           ` David Miller
2017-06-09  2:52             ` Herbert Xu
2017-06-15  0:54           ` Herbert Xu
2017-06-15  9:04             ` Linus Torvalds
2017-06-15  9:05               ` Linus Torvalds
2017-06-15  9:42               ` Herbert Xu
2017-06-15 15:02                 ` David Miller
2017-06-15 15:01               ` David Miller
2017-06-16 12:50                 ` Theodore Ts'o [this message]
2017-06-16 16:49                   ` David Miller

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