From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
To: Eric Biggers <ebiggers@kernel.org>
Cc: <linux-crypto@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
"Suman Kumar Chakraborty" <suman.kumar.chakraborty@intel.com>,
<stable@vger.kernel.org>
Subject: Re: [PATCH] crypto: acomp - Fix CFI failure due to type punning
Date: Wed, 9 Jul 2025 08:18:26 +0100 [thread overview]
Message-ID: <aG4Xwjups+9zr+Sl@gcabiddu-mobl.ger.corp.intel.com> (raw)
In-Reply-To: <20250709005954.155842-1-ebiggers@kernel.org>
On Tue, Jul 08, 2025 at 05:59:54PM -0700, Eric Biggers wrote:
> To avoid a crash when control flow integrity is enabled, make the
> workspace ("stream") free function use a consistent type, and call it
> through a function pointer that has that same type.
>
> Fixes: 42d9f6c77479 ("crypto: acomp - Move scomp stream allocation code into acomp")
> Cc: stable@vger.kernel.org
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
> ---
> crypto/deflate.c | 7 ++++++-
> crypto/zstd.c | 7 ++++++-
> include/crypto/internal/acompress.h | 5 +----
> 3 files changed, 13 insertions(+), 6 deletions(-)
>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Regards,
--
Giovanni
next prev parent reply other threads:[~2025-07-09 7:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-09 0:59 [PATCH] crypto: acomp - Fix CFI failure due to type punning Eric Biggers
2025-07-09 7:18 ` Giovanni Cabiddu [this message]
2025-07-18 11:12 ` Herbert Xu
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