From: Joe Perches <joe@perches.com>
To: Alejandro Colomar <alx@kernel.org>, linux-hardening@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
"Maciej W. Rozycki" <macro@orcam.me.uk>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Andreas Schwab <schwab@linux-m68k.org>,
Andy Shevchenko <andy@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Daniel Scally <djrscally@gmail.com>,
Danilo Krummrich <dakr@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Johan Hovold <johan@kernel.org>, Kees Cook <kees@kernel.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Len Brown <lenb@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linus Walleij <linusw@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Rob Herring <robh@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Saravana Kannan <saravanak@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Tom Zanussi <zanussi@kernel.org>,
linux-acpi@vger.kernel.org, driver-core@lists.linux.dev,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-gpio@vger.kernel.org
Subject: Re: [PATCH v6 10/19] platform/x86: hp-bioscfg: Rename local variable
Date: Sat, 14 Nov 2026 08:04:56 -0800 [thread overview]
Message-ID: <7d45a8e02dc9407e6b95893d6be1591aadc24cb9.camel@perches.com> (raw)
In-Reply-To: <ec94f69d2925d2362e8bde4ca1b1f7f3893c0315.1794667407.git.alx@kernel.org>
On Sat, 2026-11-14 at 16:23 +0100, Alejandro Colomar wrote:
> strprefix shadows a function of the same name. Let's rename it.
[]
> diff --git a/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c
[]
> @@ -87,13 +87,13 @@ int hp_populate_security_buffer(u16 *authbuf, const char *authentication)
> */
>
> /* append UTF_PREFIX to part and then convert it to unicode */
> - strprefix = kasprintf(GFP_KERNEL, "%s%s", UTF_PREFIX,
> + prefix = kasprintf(GFP_KERNEL, "%s%s", UTF_PREFIX,
> authentication);
> - if (!strprefix)
> + if (!prefix)
> return -ENOMEM;
>
> - auth = hp_ascii_to_utf16_unicode(auth, strprefix);
> - kfree(strprefix);
> + auth = hp_ascii_to_utf16_unicode(auth, prefix);
unassociated defect but the auth buffer isn't apparently sized
so some write beyond buffer seems possible.
next prev parent reply other threads:[~2026-11-14 16:05 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-14 15:21 [PATCH v6 00/19] Add strprefix() and fix a bug with it Alejandro Colomar
2026-11-14 15:21 ` [PATCH v6 01/19] string: Add streq() Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 02/19] string: Add strprefix() Alejandro Colomar
2026-11-14 15:28 ` Joe Perches
2026-11-14 15:53 ` Joe Perches
2026-11-14 15:22 ` [PATCH v6 03/19] string: Document corner-case misbehavior in str_has_prefix() for empty prefix Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 04/19] device property: Fix fwnode_name_eq() for empty node names Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 05/19] stddef: Add const_cast() Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 06/19] string: Add [C]QChar_of() and QVoid_of() Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 07/19] string: Make strprefix() const-qualifier-generic Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 08/19] perf map: Use bool for return type instead of int Alejandro Colomar
2026-11-14 15:22 ` [PATCH v6 09/19] string: Make strstarts() a legacy alias for strprefix() Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 10/19] platform/x86: hp-bioscfg: Rename local variable Alejandro Colomar
2026-11-14 16:04 ` Joe Perches [this message]
2026-11-14 15:23 ` [PATCH v6 11/19] treewide: s/strstarts/strprefix/g Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 12/19] string: Remove strstarts() Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 13/19] s390/test_unwind: Use bool for booleans Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 14/19] treewide: Replace boolean uses of str_has_prefix() by strprefix() Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 15/19] treewide: Replace some " Alejandro Colomar
2026-11-14 15:23 ` [PATCH v6 16/19] string: Add strsuffix() Alejandro Colomar
2026-11-14 15:24 ` [PATCH v6 17/19] string: Make strends() a legacy alias for strsuffix() Alejandro Colomar
2026-11-14 15:24 ` [PATCH v6 18/19] treewide: s/\<strends\>/strsuffix/g Alejandro Colomar
2026-11-14 15:24 ` [PATCH v6 19/19] string: Remove strends() Alejandro Colomar
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