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-rw-r--r--kernel/module.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/module.c b/kernel/module.c
index 250092c1d57d..41bc1189b061 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2527,6 +2527,13 @@ static int copy_module_from_fd(int fd, struct load_info *info)
err = -EFBIG;
goto out;
}
+
+ /* Don't hand 0 to vmalloc, it whines. */
+ if (stat.size == 0) {
+ err = -EINVAL;
+ goto out;
+ }
+
info->hdr = vmalloc(stat.size);
if (!info->hdr) {
err = -ENOMEM;