From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55571C13D for ; Sun, 12 Jan 2025 01:42:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736646176; cv=none; b=n/JXoXeVObc8Ad2KP+LvQMf1JCs12S4mo9XZ9Inpnd3l3z1g51GMphybBtSjwXJhPZHHa2u3syBfqXeS71xFVSoXusUZHYTODBN4rOFW8w9PUUj0EjasyYaFixY2V/+adiDSF9vazrMJnlaiJxqbdZyK4/mFXpREE1exUVAhW/Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736646176; c=relaxed/simple; bh=WywD5Z/9b6cgeQX0OHna0+yDCQt9Ki4jLwz54wbJHbs=; h=Date:To:From:Subject:Message-Id; b=s6Xb3Qa/EgD84J1d/UBfw6LEQ8lp+Y92EEFhwUcrsB/jwLB0+LgLN/cRa6OqbBZbLah3lkBFpPQ6mhfcQ69DfIv/6FBzjmZK/uCvx9kQ8erje+72tsm/xLKwpjAGVoonUCz+CtNJuI28Dnrx9QWwQ4fGL69tTCKxlxhr79VGOno= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=T51/OqQR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="T51/OqQR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BADEFC4CED2; Sun, 12 Jan 2025 01:42:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1736646175; bh=WywD5Z/9b6cgeQX0OHna0+yDCQt9Ki4jLwz54wbJHbs=; h=Date:To:From:Subject:From; b=T51/OqQRz8AH830W7WTPrSF05ZozNCn+9ctvW4VVoeHiEPHNEeiUDE8SonCLJadZg DkaH9hQxAZsi7/dtgKqJK170RZivoRwOMzor+XdEFD4QLKU+YpKZUUW3NmWsHaSyzl SYgSeBeQZqDGx3gjxfNSPIVPQtWNoXXZYd4nV8K0= Date: Sat, 11 Jan 2025 17:42:55 -0800 To: mm-commits@vger.kernel.org,skhan@linuxfoundation.org,hughd@google.com,gabriel@krisman.be,brauner@kernel.org,andrealmeid@igalia.com,karansanghvi98@gmail.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch added to mm-hotfixes-unstable branch Message-Id: <20250112014255.BADEFC4CED2@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: shmem: use signed int for version handling in casefold option has been added to the -mm mm-hotfixes-unstable branch. Its filename is mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Karan Sanghavi Subject: mm: shmem: use signed int for version handling in casefold option Date: Sat, 11 Jan 2025 15:31:30 +0000 Fixes an issue where the use of an unsigned data type in `shmem_parse_opt_casefold()` caused incorrect evaluation of negative conditions. Link: https://lkml.kernel.org/r/20250111-unsignedcompare1601569-v3-1-c861b4221831@gmail.com Fixes: 58e55efd6c72 ("tmpfs: Add casefold lookup support") Reviewed-by: André Almeida Reviewed-by: Gabriel Krisman Bertazi Signed-off-by: Karan Sanghavi Cc: Christian Brauner Cc: Hugh Dickens Cc: Shuah khan Signed-off-by: Andrew Morton --- mm/shmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/shmem.c~mm-shmem-use-signed-int-for-version-handling-in-casefold-option +++ a/mm/shmem.c @@ -4368,7 +4368,7 @@ static int shmem_parse_opt_casefold(stru bool latest_version) { struct shmem_options *ctx = fc->fs_private; - unsigned int version = UTF8_LATEST; + int version = UTF8_LATEST; struct unicode_map *encoding; char *version_str = param->string + 5; _ Patches currently in -mm which might be from karansanghvi98@gmail.com are mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch