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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Kees Cook <keescook@chromium.org>
Cc: Sandy Harris <sandyinchina@gmail.com>,
	Jeffrey Walton <noloader@gmail.com>,
	"Theodore Ts'o" <tytso@mit.edu>,
	tglx@breakpoint.cc, David Miller <davem@davemloft.net>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Eric Biggers <ebiggers3@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"kernel-hardening@lists.openwall.com" 
	<kernel-hardening@lists.openwall.com>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [kernel-hardening] Re: [PATCH] random: silence compiler warnings and fix race
Date: Tue, 20 Jun 2017 22:09:06 +0200	[thread overview]
Message-ID: <CAHmME9qNSUFr+NsmzELJM49pkHUnuZpRFhW4v5N7XcVn0c06rw@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5j+PQ1unqbJa6hh9OMxBx3+sKUmfycjFAb1FFH0e5C0FtQ@mail.gmail.com>

On Tue, Jun 20, 2017 at 8:14 PM, Kees Cook <keescook@chromium.org> wrote:
> How about doing this:
>
>    default DEBUG_KERNEL
>
> Most distro kernel select DEBUG_KERNEL because it unhides a bunch of
> other useful configs. Since it doesn't strictly _depend_ on
> DEBUG_KERNEL, I think it's probably a mistake to enforce a false
> dependency. Using it as a hint for the default seems maybe like a good
> middle ground. (And if people can't agree on that, then I guess
> "default n"...)

I didn't know you could do that with Kconfig. Great idea. I'll make
this change and submit a new patch to Ted.

Jason

  reply	other threads:[~2017-06-20 20:09 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-07 23:25 [PATCH v5 00/13] Unseeded In-Kernel Randomness Fixes Jason A. Donenfeld
2017-06-07 23:25 ` [PATCH v5 01/13] random: invalidate batched entropy after crng init Jason A. Donenfeld
2017-06-14 19:28   ` Sebastian Andrzej Siewior
2017-06-14 22:33     ` Jason A. Donenfeld
2017-06-16  8:31       ` Sebastian Andrzej Siewior
2017-06-16 12:12         ` Jason A. Donenfeld
2017-06-16 14:36           ` Sebastian Andrzej Siewior
2017-06-14 22:45     ` [PATCH] random: silence compiler warnings and fix race Jason A. Donenfeld
2017-06-16 14:35       ` Sebastian Andrzej Siewior
2017-06-17  0:39         ` Jason A. Donenfeld
2017-06-19  7:45           ` Sebastian Andrzej Siewior
2017-06-19 20:55             ` Jason A. Donenfeld
2017-06-20  6:44               ` Sebastian Andrzej Siewior
2017-06-19 20:57       ` Jason A. Donenfeld
2017-06-20  6:03         ` Theodore Ts'o
2017-06-20  6:27           ` [kernel-hardening] " Joel Stanley
2017-06-20  6:59           ` Michael Ellerman
2017-06-20  8:14           ` Jason A. Donenfeld
2017-06-20  8:33             ` Jeffrey Walton
2017-06-20  8:53               ` Jason A. Donenfeld
2017-06-20  9:36                 ` Theodore Ts'o
2017-06-20  9:49                   ` Jeffrey Walton
2017-06-20 17:50                     ` [kernel-hardening] " Sandy Harris
2017-06-20 18:14                       ` Kees Cook
2017-06-20 20:09                         ` Jason A. Donenfeld [this message]
2017-06-20  9:49                   ` Jason A. Donenfeld
2017-06-20 23:38                     ` Theodore Ts'o
2017-06-20 23:54                       ` Jason A. Donenfeld
2017-06-21  0:03                         ` [PATCH] random: warn when kernel uses unseeded randomness Jason A. Donenfeld
2017-06-21  0:12                           ` Kees Cook
2017-06-21  6:06                           ` [kernel-hardening] " Michael Ellerman
2017-06-21 20:38                             ` Theodore Ts'o
2017-06-22  0:04                               ` Jason A. Donenfeld
2017-06-21 23:50                       ` [PATCH] random: silence compiler warnings and fix race Jeffrey Walton
2017-06-07 23:25 ` [PATCH v5 02/13] random: add synchronous API for the urandom pool Jason A. Donenfeld
2017-06-07 23:25 ` [PATCH v5 03/13] random: add get_random_{bytes,u32,u64,int,long,once}_wait family Jason A. Donenfeld
2017-06-07 23:25 ` [PATCH v5 04/13] security/keys: ensure RNG is seeded before use Jason A. Donenfeld
2017-06-07 23:25 ` [PATCH v5 05/13] crypto/rng: ensure that the RNG is ready before using Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 06/13] iscsi: ensure RNG is seeded before use Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 07/13] ceph: ensure RNG is seeded before using Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 08/13] cifs: use get_random_u32 for 32-bit lock random Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 09/13] rhashtable: use get_random_u32 for hash_rnd Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 10/13] net/neighbor: use get_random_u32 for 32-bit hash random Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 11/13] net/route: use get_random_int for random counter Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 12/13] bluetooth/smp: ensure RNG is properly seeded before ECDH use Jason A. Donenfeld
2017-06-07 23:26 ` [PATCH v5 13/13] random: warn when kernel uses unseeded randomness Jason A. Donenfeld

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