Fix #2450 ASAN crash in code analysis

radareorg · Apr 27, 2015 · 92e5d07 · 92e5d07
1 parent 876ac12
commit 92e5d07
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libr/anal/fcn.c b/libr/anal/fcn.c
@@ -273,6 +273,9 @@ static int fcn_recurse(RAnal *anal, RAnalFunction *fcn, ut64 addr, ut8 *buf, ut6
 				break;
 		}
 repeat:
+		if ((len-idx)<5) {
+			break;
+		}
 		r_anal_op_fini (&op);
 		if (buf[idx]==buf[idx+1] && buf[idx]==0xff && buf[idx+2]==0xff) {
 			FITFCNSZ();