From: Brian Pane <brianp@apache.org>
Date: Thu, 22 Nov 2001 06:03:10 +0000 (+0000)
Subject: fix for a segfault that occurred when mod_include was used to deliver files shorter... 
X-Git-Tag: 2.0.29~46
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=991b8d0ffb6d38ed72aee1ee6a8135101cff2a4d;p=apache

fix for a segfault that occurred when mod_include was used to deliver files shorter than 5 bytes


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92131 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/modules/filters/mod_include.c b/modules/filters/mod_include.c
index e1f7112566..3da84a98d5 100644
--- a/modules/filters/mod_include.c
+++ b/modules/filters/mod_include.c
@@ -418,10 +418,15 @@ static apr_bucket *find_start_sequence(apr_bucket *dptr, include_ctx_t *ctx,
         }
         
         /* Consider the case where we have <!-- at the end of the bucket. */
-        ctx->bytes_parsed += len - slen;
+        if (len > slen) {
+            ctx->bytes_parsed += (len - slen);
+            c = buf + len - slen;
+        }
+        else {
+            c = buf;
+        }
         ctx->parse_pos = 0;
 
-        c = buf + len - slen + 1;
         while (c < buf + len)
         {
             if (*c == str[ctx->parse_pos]) {