File pacemaker-libcrmcommon-possible-infloop-in-buffer_print.patch of Package pacemaker.14737

commit f088b87c09786b666384bd49bc82cfd577d2bb35
Author: Jan Pokorný <jpokorny@redhat.com>
Date:   Tue Sep 22 16:56:06 2015 +0200

    Medium: libcrmcommon: fix possible infloop in buffer_print
    
    Do not expect snprintf to be self-healed without changing the
    circumstances.
    
    Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

diff --git a/lib/common/xml.c b/lib/common/xml.c
index 86810cf63..ea0adb7c1 100644
--- a/lib/common/xml.c
+++ b/lib/common/xml.c
@@ -129,6 +129,7 @@ static inline bool TRACKING_CHANGES(xmlNode *xml)
         if(buffer && rc < 0) {                                          \
             crm_perror(LOG_ERR, "snprintf failed at offset %d", offset); \
             (buffer)[(offset)] = 0;                                     \
+            break;                                                      \
         } else if(rc >= ((max) - (offset))) {                           \
             char *tmp = NULL;                                           \
             (max) = QB_MAX(CHUNK_SIZE, (max) * 2);                      \