+ mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch added to mm-hotfixes-unstable branch

+ mm-shmem-use-signed-int-for-version-handling-in-casefold-option.patch added to mm-hotfixes-unstable branch

[Andrew Morton]

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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

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------------------------------------------------------
From: Karan Sanghavi <karansanghvi98@gmail.com>
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 <andrealmeid@igalia.com>
Reviewed-by: Gabriel Krisman Bertazi <gabriel@krisman.be>
Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Hugh Dickens <hughd@google.com>
Cc: Shuah khan <skhan@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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