LU-12968 mgs: Prevent reading past end of buffer

[fs/lustre-release.git] / lustre / mgs / mgs_llog.c

diff --git a/lustre/mgs/mgs_llog.c b/lustre/mgs/mgs_llog.c
index 45f7678..6b8c0e4 100644 (file)
--- a/lustre/mgs/mgs_llog.c
+++ b/lustre/mgs/mgs_llog.c
@@ -3285,8 +3285,7 @@ static int mgs_wlp_lcfg(const struct lu_env *env,
        int rc, del;
 
        /* Erase any old settings of this same parameter */
-       memcpy(comment, ptr, MTI_NAME_MAXLEN);
-       comment[MTI_NAME_MAXLEN - 1] = 0;
+       strlcpy(comment, ptr, sizeof(comment));
        /* But don't try to match the value. */
        tmp = strchr(comment, '=');
        if (tmp != NULL)