From 1763def25f14d94eadb194d04acc64e3f0db0b26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alvaro=20Mun=CC=83oz?= <alvaro@pwntester.com>
Date: Sat, 20 Dec 2014 14:30:08 +0100
Subject: [PATCH] fix #1878

---
 libr/core/asm.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libr/core/asm.c b/libr/core/asm.c
index 9fa398d764..5a94b28046 100644
--- a/libr/core/asm.c
+++ b/libr/core/asm.c
@@ -351,6 +351,7 @@ static int is_hit_inrange(RCoreAsmHit *hit, ut64 start_range, ut64 end_range){
 
 R_API RList *r_core_asm_bwdisassemble (RCore *core, ut64 addr, int n, int len) {
 	RList *hits = r_core_asm_hit_list_new();
+	int buflen = len;
 	RCoreAsmHit dummy_value;
 	RAsmOp op;
 	ut8 *buf = (ut8 *)malloc (len);
@@ -397,6 +398,18 @@ R_API RList *r_core_asm_bwdisassemble (RCore *core, ut64 addr, int n, int len) {
 			}
 		}
 		if (hit_count >= n) break;
+
+		if (idx == len-1) {
+			len += buflen;
+			if (!(buf = realloc (buf, len))) {
+				if (hits) {
+					r_list_purge (hits);
+					free (hits);
+				}
+				free (buf);
+				return NULL;
+			}
+		}
 	}
 
 	if (hit_count == n) {