From: Dave Hansen <dave.hansen@intel.com>
To: Thorsten Blum <thorsten.blum@linux.dev>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>
Cc: x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND 0/3] x86/vdso: Improve vdso=/vdso32= boot parameter validation
Date: Mon, 13 Jul 2026 16:40:55 -0700 [thread overview]
Message-ID: <b03d7122-52a5-4539-817c-15735a774ef7@intel.com> (raw)
In-Reply-To: <20260713233422.127348-5-thorsten.blum@linux.dev>
On 7/13/26 16:34, Thorsten Blum wrote:
> Replace the deprecated simple_strtoul() [1] with kstrtouint() when
> parsing the vDSO boot parameters. This provides strict input validation,
> rejects partial input, and warns when disabling vDSO for invalid values.
Hey Thorsten,
I'm curious what motivated this change. Were you trying to manipulate
the VDSO and ran into some difficulties? Or is it a larger effort to
audit and simple_strtoul() users?
next prev parent reply other threads:[~2026-07-13 23:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 23:34 [PATCH RESEND 0/3] x86/vdso: Improve vdso=/vdso32= boot parameter validation Thorsten Blum
2026-07-13 23:34 ` [PATCH RESEND 1/3] x86/vdso: Use kstrtouint() to validate vdso= boot parameter Thorsten Blum
2026-07-13 23:34 ` [PATCH RESEND 2/3] x86/vdso: Use kstrtouint() to validate vdso32= " Thorsten Blum
2026-07-13 23:34 ` [PATCH RESEND 3/3] Documentation/arch/x86: Remove obsolete vdso32=2 compatibility note Thorsten Blum
2026-07-13 23:40 ` Dave Hansen [this message]
2026-07-14 11:19 ` [PATCH RESEND 0/3] x86/vdso: Improve vdso=/vdso32= boot parameter validation Thorsten Blum
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