diff options
| -rw-r--r-- | mm/util.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c index db3091116b7c..499b6b5767ed 100644 --- a/mm/util.c +++ b/mm/util.c @@ -593,6 +593,10 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node) if (ret || size <= PAGE_SIZE) return ret; + /* Don't even allow crazy sizes */ + if (WARN_ON_ONCE(size > INT_MAX)) + return NULL; + return __vmalloc_node(size, 1, flags, node, __builtin_return_address(0)); } |