masc2008 commented on code in PR #19146:
URL: https://github.com/apache/nuttx/pull/19146#discussion_r3444896331
##########
mm/mm_gran/mm_graninit.c:
##########
@@ -124,6 +124,15 @@ GRAN_HANDLE gran_initialize(FAR void *heapstart, size_t
heapsize,
alignedsize = (heapend - alignedstart) & ~mask;
ngranules = alignedsize >> log2gran;
+ /* Reject oversized pools. */
+
+ DEBUGASSERT(ngranules > 0 && ngranules <= UINT16_MAX);
+ if (ngranules == 0 || ngranules > UINT16_MAX)
+ {
+ set_errno(EINVAL);
Review Comment:
thanks, and done.
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