Fix integer overflow in filesystem stat implementation. Resolve pycom…

…#409. (pycom#129) Co-authored-by: Andreas Motl <[email protected]>
X-Ryl669 · Jun 10, 2020 · 9afddc8 · 9afddc8
1 parent 291d364
commit 9afddc8
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/esp32/littlefs/vfs_littlefs.c b/esp32/littlefs/vfs_littlefs.c
@@ -669,9 +669,9 @@ STATIC mp_obj_t littlefs_vfs_stat(mp_obj_t vfs_in, mp_obj_t path_param) {
     else {
         t->items[6] = mp_obj_new_int_from_uint(0); // st_size
     }
-    t->items[7] = MP_OBJ_NEW_SMALL_INT(seconds); // st_atime
-    t->items[8] = MP_OBJ_NEW_SMALL_INT(seconds); // st_mtime
-    t->items[9] = MP_OBJ_NEW_SMALL_INT(seconds); // st_ctime
+    t->items[7] = mp_obj_new_int_from_uint(seconds); // st_atime
+    t->items[8] = mp_obj_new_int_from_uint(seconds); // st_mtime
+    t->items[9] = mp_obj_new_int_from_uint(seconds); // st_ctime
 
     return MP_OBJ_FROM_PTR(t);
 }

diff --git a/extmod/vfs_fat.c b/extmod/vfs_fat.c
@@ -365,9 +365,9 @@ STATIC mp_obj_t fat_vfs_stat(mp_obj_t vfs_in, mp_obj_t path_in) {
     t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
     t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
     t->items[6] = mp_obj_new_int_from_uint(fno.fsize); // st_size
-    t->items[7] = MP_OBJ_NEW_SMALL_INT(seconds); // st_atime
-    t->items[8] = MP_OBJ_NEW_SMALL_INT(seconds); // st_mtime
-    t->items[9] = MP_OBJ_NEW_SMALL_INT(seconds); // st_ctime
+    t->items[7] = mp_obj_new_int_from_uint(seconds); // st_atime
+    t->items[8] = mp_obj_new_int_from_uint(seconds); // st_mtime
+    t->items[9] = mp_obj_new_int_from_uint(seconds); // st_ctime
 
     return MP_OBJ_FROM_PTR(t);
 }