From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 25 Nov 2016 18:44:40 +0000 (+0000)
Subject: [Fix] Avoid mapping of empty files
X-Git-Tag: 1.4.1~54
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1370bc0b24ab10c43b1a15877f70ae7488d851c2;p=thirdparty%2Frspamd.git

[Fix] Avoid mapping of empty files
---

diff --git a/src/libutil/util.c b/src/libutil/util.c
index 080cbd1424..3fc1c98bf1 100644
--- a/src/libutil/util.c
+++ b/src/libutil/util.c
@@ -2477,7 +2477,7 @@ rspamd_file_xmap (const char *fname, guint mode,
 		return NULL;
 	}
 
-	if (fstat (fd, &sb) == -1 || !S_ISREG (sb.st_mode)) {
+	if (fstat (fd, &sb) == -1 || !S_ISREG (sb.st_mode) || sb.st_size == 0) {
 		close (fd);
 
 		return NULL;