From: marshmellow42 <marshmellowrf@gmail.com>
Date: Sun, 14 Feb 2016 17:06:29 +0000 (-0500)
Subject: FIX, Coverity, Argument can't be negative. CID# 212322, ftell(f) can …
X-Git-Tag: v2.3.0~7^2~12
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/7a616c0d70d3018c6bf81095f7432543a38ad3c9?hp=3d4982ddbfebc7eca00daf644ac6dee937488d61

FIX, Coverity, Argument can't be negative. CID# 212322, ftell(f) can …

…be negative. Not allowed in malloc...
from @iceman1001
---

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 59b0ddc3..a169e827 100644
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -283,8 +283,12 @@ int CmdHFiClassELoad(const char *Cmd) {
 	long fsize = ftell(f);
 	fseek(f, 0, SEEK_SET);
 
-	uint8_t *dump = malloc(fsize);
+	if (fsize < 0) {
+		PrintAndLog("Error, when getting filesize");
+		return 1;
+	}
 
+	uint8_t *dump = malloc(fsize);
 
 	size_t bytes_read = fread(dump, 1, fsize, f);
 	fclose(f);