Rangeanalysis: Filter useless modulo results.

2025-12-16 16:53:25 +01:00 · 2023-11-02 15:29:56 +01:00
parent 7bf271fb6c
commit f2b52650d5
1 changed files with 1 additions and 0 deletions
--- a/shared/rangeanalysis/codeql/rangeanalysis/ModulusAnalysis.qll
+++ b/shared/rangeanalysis/codeql/rangeanalysis/ModulusAnalysis.qll
@@ -268,6 +268,7 @@ module ModulusAnalysis<
      exprModulus(mid, b, v, m1) and
      e = modExpr(mid, m2) and
      mod = m1.gcd(m2) and
+      mod != 1 and
      val = remainder(v, mod)
    )
    or