diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/stdlib/malloc/realloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libc/stdlib/malloc/realloc.c b/libc/stdlib/malloc/realloc.c index fa779205a..8de00665f 100644 --- a/libc/stdlib/malloc/realloc.c +++ b/libc/stdlib/malloc/realloc.c @@ -34,6 +34,9 @@ realloc (void *mem, size_t new_size) } if (! mem) return malloc (new_size); + /* This matches the check in malloc() */ + if (unlikely(((unsigned long)new_size > (unsigned long)(MALLOC_HEADER_SIZE*-2)))) + return NULL; /* Normal realloc. */ |