From d53b6a9132f2ed7ca86d329ce434770df019f960 Mon Sep 17 00:00:00 2001
From: toddouska <todd@wolfssl.com>
Date: Fri, 23 Oct 2015 16:19:26 -0700
Subject: [PATCH] handle sniffer realloc failure w/o leak

---
 src/sniffer.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/sniffer.c b/src/sniffer.c
index a304e49c7..cd33c738f 100644
--- a/src/sniffer.c
+++ b/src/sniffer.c
@@ -3077,12 +3077,16 @@ doPart:
                     ret = ssl->buffers.clearOutputBuffer.length;
                     TraceGotData(ret);
                     if (ret) {  /* may be blank message */
-                        *data = realloc(*data, decoded + ret);
-                        if (*data == NULL) {
+                        byte* tmpData;  /* don't leak on realloc free */
+                        tmpData = (byte*)realloc(*data, decoded + ret);
+                        if (tmpData == NULL) {
+                            free(*data);
+                            *data = NULL;
                             SetError(MEMORY_STR, error, session,
                                      FATAL_ERROR_STATE);
                             return -1;
                         }
+                        *data = tmpData;
                         XMEMCPY(*data + decoded,
                                 ssl->buffers.clearOutputBuffer.buffer, ret);
                         TraceAddedData(ret, decoded);