Merge pull request #176 from Whali3n51/whali3n51

fix a bug of out-of-bounds reading in the domlsd() function in the ls.c
jedisct1 · Sep 18, 2024 · 6c88ff8 · 6c88ff8
2 parents 8a847f5 + 350d66f
commit 6c88ff8
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/ls.c b/src/ls.c
@@ -1051,8 +1051,8 @@ void domlsd(const char *base)
 
     if (*base != 0 && chdir(base) != 0) {
         if (*base++ == '-') {
-            while (!isspace((unsigned char) *base++));
-            while (isspace((unsigned char) *base++));
+            while (*base!=0 && !isspace((unsigned char) *base++));
+            while (*base!=0 && isspace((unsigned char) *base++));
             if (*base != 0 && chdir(base) != 0) {
                 addreply_noformat(550, MSG_STAT_FAILURE2);
                 return;