https://lists.gnu.org/archive/html/bug-bash/2023-01/msg00016.html
https://git.savannah.gnu.org/cgit/bash.git/commit/?h=devel&id=0647e53bd15c8982d89a03c2db1643aedd7cd649

--- lib/sh/random.c
+++ lib/sh/random.c
@@ -75,7 +75,7 @@ u_bits32_t last;
   /* Can't seed with 0. */
   ret = (last == 0) ? 123459876 : last;
   h = ret / 127773;
-  l = ret - (127773 * h);
+  l = ret % 127773;
   t = 16807 * l - 2836 * h;
   ret = (t < 0) ? t + 0x7fffffff : t;
