fix some oss-fuzz (#1218)

* fix oss-fuzz 18138.

* fix oss-fuzz 20079.

* fix oss-fuzz 20209.

* fix oss-fuzz 20210.

* fix oss-fuzz 20262.

* rollback.

* rollback.

* fix oss-fuzz 20079.

* fix oss-fuzz 20179.

* fix oss-fuzz 20195.

* fix oss-fuzz 20206.

* fix oss-fuzz 20207.

* fix oss-fuzz 20265.

* fix oss-fuzz 20285.

* fix oss-fuzz 20868.

* fix oss-fuzz 20908.

* fix oss-fuzz 20909.

* fix oss-fuzz 20914.

* fix oss-fuzz 20922.

* fix oss-fuzz 20928.

* remove warnigs.

qemu/tcg/tcg-op.h

@@ -2079,7 +2079,7 @@ static inline void tcg_gen_deposit_i32(TCGContext *s, TCGv_i32 ret, TCGv_i32 arg
         return;
     }
 
-    mask = (1u << len) - 1;
+    mask = (1u << (len & 0x1f)) - 1;
     t1 = tcg_temp_new_i32(s);
 
     if (ofs + len < 32) {