From: Kees Cook <kees@kernel.org>
To: Greg Ungerer <gregungerer@westnet.com.au>,
linux-kernel@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>
Cc: Kees Cook <kees@kernel.org>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Eric Biederman <ebiederm@xmission.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] binfmt_elf_fdpic: fix AUXV size calculation when ELF_HWCAP2 is defined
Date: Mon, 26 Aug 2024 13:06:04 -0700 [thread overview]
Message-ID: <172470276219.1124110.5967273192476181059.b4-ty@kernel.org> (raw)
In-Reply-To: <20240826032745.3423812-1-jcmvbkbc@gmail.com>
On Sun, 25 Aug 2024 20:27:45 -0700, Max Filippov wrote:
> create_elf_fdpic_tables() does not correctly account the space for the
> AUX vector when an architecture has ELF_HWCAP2 defined. Prior to the
> commit 10e29251be0e ("binfmt_elf_fdpic: fix /proc/<pid>/auxv") it
> resulted in the last entry of the AUX vector being set to zero, but with
> that change it results in a kernel BUG.
>
> Fix that by adding one to the number of AUXV entries (nitems) when
> ELF_HWCAP2 is defined.
>
> [...]
Applied to for-linus/execve, thanks!
[1/1] binfmt_elf_fdpic: fix AUXV size calculation when ELF_HWCAP2 is defined
https://git.kernel.org/kees/c/c6a09e342f8e
Take care,
--
Kees Cook
prev parent reply other threads:[~2024-08-26 20:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-26 3:27 Max Filippov
2024-08-26 7:00 ` Greg Ungerer
2024-08-26 20:06 ` Kees Cook [this message]
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