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