diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 3f52efa0f94f..c65158a8bb06 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -53,6 +53,9 @@ static struct posix_acl *f2fs_acl_from_disk(const char *value, size_t size)
 	struct f2fs_acl_entry *entry = (struct f2fs_acl_entry *)(hdr + 1);
 	const char *end = value + size;
 
+	if (size < sizeof(struct f2fs_acl_header))
+		return ERR_PTR(-EINVAL);
+
 	if (hdr->a_version != cpu_to_le32(F2FS_ACL_VERSION))
 		return ERR_PTR(-EINVAL);