From: Eric Bollengier <eric@baculasystems.com>
Date: Wed, 15 Sep 2021 15:15:29 +0000 (+0200)
Subject: Fix #8142 Skip XATTR larger than MaximumNetworkBuffer
X-Git-Tag: Release-11.3.2~324
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f336c69ec12c7d2550fda8cb983ccab7969861e;p=thirdparty%2Fbacula.git

Fix #8142 Skip XATTR larger than MaximumNetworkBuffer
---

diff --git a/bacula/src/filed/bxattr_osx.c b/bacula/src/filed/bxattr_osx.c
index 9acc9db51..ccaf10f09 100644
--- a/bacula/src/filed/bxattr_osx.c
+++ b/bacula/src/filed/bxattr_osx.c
@@ -204,7 +204,11 @@ bRC_BXATTR BXATTR_OSX::os_get_xattr_value (JCR *jcr, char * name, char ** pvalue
          break;
    }
 
-   if (len > 0){
+   if (len >= me->max_network_buffer_size) {
+      DMmsg2(100, jcr->errmsg, _("xattr maximum length %d is greater than MaximumNetworkBufferSize on file \"%s\"\n"), len, jcr->last_fname);
+      return bRC_BXATTR_error;
+
+   } else if (len > 0){
       /*
        * allocate memory for the extented attribute value
        * default size is a 256B for PM_MESSAGE, so we need to check required size