diff options
| -rw-r--r-- | src/nvim/undo.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/nvim/undo.c b/src/nvim/undo.c index 83c171d66a..571ad7204f 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -967,12 +967,12 @@ static u_entry_T *unserialize_uep(bufinfo_T * bi, bool *error, uep->ue_lcount = undo_read_4c(bi); uep->ue_size = undo_read_4c(bi); - char_u **array; + char_u **array = NULL; if (uep->ue_size > 0) { - array = xmalloc(sizeof(char_u *) * (size_t)uep->ue_size); - memset(array, 0, sizeof(char_u *) * (size_t)uep->ue_size); - } else { - array = NULL; + if ((size_t)uep->ue_size < SIZE_MAX / sizeof(char_u *)) { + array = xmalloc(sizeof(char_u *) * (size_t)uep->ue_size); + memset(array, 0, sizeof(char_u *) * (size_t)uep->ue_size); + } } uep->ue_array = array; |