From: Peter Collingbourne <pcc@google.com>
To: Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <kees@kernel.org>, Andy Shevchenko <andy@kernel.org>,
Andrey Konovalov <andreyknvl@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>
Cc: Peter Collingbourne <pcc@google.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 0/2] string: Add load_unaligned_zeropad() code path to sized_strscpy()
Date: Fri, 28 Mar 2025 17:03:35 -0700 [thread overview]
Message-ID: <20250329000338.1031289-1-pcc@google.com> (raw)
This series fixes an issue where strscpy() would sometimes trigger
a false positive KASAN report with MTE.
v4:
- clarify commit message
- improve comment
v3:
- simplify test case
Peter Collingbourne (1):
string: Add load_unaligned_zeropad() code path to sized_strscpy()
Vincenzo Frascino (1):
kasan: Add strscpy() test to trigger tag fault on arm64
lib/string.c | 13 ++++++++++---
mm/kasan/kasan_test_c.c | 16 ++++++++++++++++
2 files changed, 26 insertions(+), 3 deletions(-)
--
2.49.0.472.ge94155a9ec-goog
next reply other threads:[~2025-03-29 0:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-29 0:03 Peter Collingbourne [this message]
2025-03-29 0:03 ` [PATCH v4 1/2] string: Add load_unaligned_zeropad() code path to sized_strscpy() Peter Collingbourne
2025-04-02 20:10 ` Catalin Marinas
2025-04-03 0:08 ` Peter Collingbourne
2025-04-03 9:46 ` Catalin Marinas
2025-04-03 21:15 ` David Laight
2025-03-29 0:03 ` [PATCH v4 2/2] kasan: Add strscpy() test to trigger tag fault on arm64 Peter Collingbourne
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250329000338.1031289-1-pcc@google.com \
--to=pcc@google.com \
--cc=akpm@linux-foundation.org \
--cc=andreyknvl@gmail.com \
--cc=andy@kernel.org \
--cc=brauner@kernel.org \
--cc=catalin.marinas@arm.com \
--cc=jack@suse.cz \
--cc=kees@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).