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From: Stephan Mueller <smueller@chronox.de>
To: Kees Cook <keescook@chromium.org>
Cc: linux-kernel@vger.kernel.org,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	linux-crypto@vger.kernel.org
Subject: Re: [PATCH] jent: use safe format string parameters
Date: Sat, 25 Jul 2015 12:14:27 +0200	[thread overview]
Message-ID: <1837679.rRPrBYE39B@tauon.atsec.com> (raw)
In-Reply-To: <20150724224127.GA29924@www.outflux.net>

Am Freitag, 24. Juli 2015, 15:41:27 schrieb Kees Cook:

Hi Kees,

>Since the API for jent_panic() does not include format string parameters,
>adjust the call to panic() to use a literal string to avoid any future
>callers from leaking format strings into the panic message.
>
>Signed-off-by: Kees Cook <keescook@chromium.org>

Thanks.

Acked-by: Stephan Mueller <smueller@chronox.de>
>---
> crypto/jitterentropy-kcapi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c
>index b32d834144cd..ceea83d13168 100644
>--- a/crypto/jitterentropy-kcapi.c
>+++ b/crypto/jitterentropy-kcapi.c
>@@ -79,7 +79,7 @@ int jent_fips_enabled(void)
>
> void jent_panic(char *s)
> {
>-	panic(s);
>+	panic("%s", s);
> }
>
> void jent_memcpy(void *dest, const void *src, unsigned int n)


Ciao
Stephan

  reply	other threads:[~2015-07-25 10:14 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-24 22:41 Kees Cook
2015-07-25 10:14 ` Stephan Mueller [this message]
2015-07-28  7:07 ` Herbert Xu

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