Add buffer overflow checks before allocating stack arrays.

This fixes CT-01-005: OOB writes through dynamic stack allocations (Critical)

1 files changed, 1 insertions, 1 deletions

diff --git a/rpc_misc.c b/rpc_misc.c
index c27913c..50ee3ac 100644
--- a/rpc_misc.c
+++ b/rpc_misc.c
@@ -44,7 +44,7 @@ static hal_error_t get_version(uint32_t *version)
 
 static hal_error_t get_random(void *buffer, const size_t length)
 {
-  if (buffer == NULL || length == 0)
+  if (buffer == NULL)
     return HAL_ERROR_IMPOSSIBLE;
 
   return hal_get_random(NULL, buffer, length);