diff options
| author | Kevin Brodsky <kevin.brodsky@arm.com> | 2024-12-09 09:50:08 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-13 22:40:54 -0800 |
| commit | 5b6b2799f617b3259d551980fa94f290d96bc593 (patch) | |
| tree | 80dc91d09ba33af1ce726a2f08a92b665e66f753 /tools/testing | |
| parent | 516fb516383ef39d881d116c6447826356883ad0 (diff) | |
selftests/mm: fix strncpy() length
GCC complains (with -O2) that the length is equal to the destination size,
which is indeed invalid. Subtract 1 from the size of the array to leave
room for '\0'.
Link: https://lkml.kernel.org/r/20241209095019.1732120-4-kevin.brodsky@arm.com
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Aruna Ramakrishna <aruna.ramakrishna@oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/mm/write_to_hugetlbfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/write_to_hugetlbfs.c b/tools/testing/selftests/mm/write_to_hugetlbfs.c index 1289d311efd7..34c91f7e6128 100644 --- a/tools/testing/selftests/mm/write_to_hugetlbfs.c +++ b/tools/testing/selftests/mm/write_to_hugetlbfs.c @@ -89,7 +89,7 @@ int main(int argc, char **argv) size = atoi(optarg); break; case 'p': - strncpy(path, optarg, sizeof(path)); + strncpy(path, optarg, sizeof(path) - 1); break; case 'm': if (atoi(optarg) >= MAX_METHOD) { |