Clear undefined behavior in libgcry.c (GH #5167)

rsyslog · Jun 28, 2023 · 24bba05 · 24bba05
1 parent fa9ac84
commit 24bba05
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/runtime/libgcry.c b/runtime/libgcry.c
@@ -575,7 +575,7 @@ seedIV(gcryfile gf, uchar **iv)
 		if(shift == 0) { /* need new random data? */
 			rndnum = randomNumber();
 		}
-		(*iv)[i] = 0xff & ((rndnum & (0xff << shift)) >> shift);
+		(*iv)[i] = 0xff & ((rndnum & (255u << shift)) >> shift);
 	}
 finalize_it:
 	RETiRet;