catalinv-ncc commented on code in PR #19139:
URL: https://github.com/apache/nuttx/pull/19139#discussion_r3410241535
##########
drivers/can/ctucanfd_pci.c:
##########
@@ -760,6 +760,14 @@ static void ctucanfd_chardev_receive(FAR struct
ctucanfd_can_s *priv)
buff[0] = ctucanfd_getreg(priv, CTUCANFD_RXDATA);
+ /* buff[0] populated the frame->fmt.rwcnt. Check before use. */
+
+ if (frame->fmt.rwcnt > sizeof(buff) / sizeof(buff[0]))
Review Comment:
@raiden00pl
Oh, I misunderstood. Change addressed as per your comment.
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