From: Jiazi Li <jqqlijiazi@gmail.com>
To: Kees Cook <kees@kernel.org>, Andy Shevchenko <andy@kernel.org>,
Julia Lawall <Julia.Lawall@inria.fr>,
Nicolas Palix <nicolas.palix@imag.fr>
Cc: Jiazi Li <jqqlijiazi@gmail.com>, linux-hardening@vger.kernel.org
Subject: [PATCH 0/2] Add str_alloc_free()/str_free_alloc helper and related rules
Date: Wed, 29 Apr 2026 19:22:18 +0800 [thread overview]
Message-ID: <cover.1777369070.git.jqqlijiazi@gmail.com> (raw)
Currently finds 4 locations:
./drivers/net/wireless/realtek/rtw89/fw.c:2557:7-12: opportunity for str_alloc_free(valid)
./drivers/net/wireless/realtek/rtw89/fw.c:2693:7-12: opportunity for str_alloc_free(valid)
./drivers/android/tests/binder_alloc_kunit.c:196:6-21: opportunity for str_alloc_free(alloc -> pages [ i ])
./mm/slub.c:1634:3-8: opportunity for str_alloc_free(alloc)
Jiazi Li (2):
lib/string_choices: Add str_alloc_free() helper
coccinelle: Add rules to find str_alloc_free() replacements
include/linux/string_choices.h | 6 ++++
scripts/coccinelle/api/string_choices.cocci | 38 +++++++++++++++++++++
2 files changed, 44 insertions(+)
--
2.49.0
next reply other threads:[~2026-04-29 11:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-29 11:22 Jiazi Li [this message]
2026-04-29 11:23 ` [PATCH 1/2] lib/string_choices: Add str_alloc_free() helper Jiazi Li
2026-04-29 13:26 ` Andy Shevchenko
2026-04-29 11:23 ` [PATCH 2/2] coccinelle: Add rules to find str_alloc_free() replacements Jiazi Li
2026-04-29 13:28 ` Andy Shevchenko
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