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Date: Wed, 12 Dec 2012 16:43:21 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Stephan Mueller <smueller@...onox.de> Cc: "Ted Ts'o" <tytso@....edu>, lkml <linux-kernel@...r.kernel.org>, Jeff Liu <jeff.liu@...cle.com>, Kees Cook <keescook@...omium.org> Subject: Re: [PATCH] avoid entropy starvation due to stack protection On Tue, 11 Dec 2012 13:33:04 +0100 Stephan Mueller <smueller@...onox.de> wrote: > Some time ago, I noticed the fact that for every newly > executed process, the function create_elf_tables requests 16 bytes of > randomness from get_random_bytes. This is easily visible when calling > > while [ 1 ] > do > cat /proc/sys/kernel/random/entropy_avail > sleep 1 > done Please see http://ozlabs.org/~akpm/mmotm/broken-out/binfmt_elfc-use-get_random_int-to-fix-entropy-depleting.patch That patch is about one week from a mainline merge, btw. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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