procmail/procmail-3.22-CVE-2017-16844.patch

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diff --git a/src/formisc.c b/src/formisc.c
index 5c2869d..54fd013 100644
--- a/src/formisc.c
+++ b/src/formisc.c
@@ -103,7 +103,7 @@ void loadsaved(sp)const struct saved*const sp; /* load some saved text */
}
/* append to buf */
void loadbuf(text,len)const char*const text;const size_t len;
-{ if(buffilled+len>buflen) /* buf can't hold the text */
+{ while(buffilled+len>buflen) /* buf can't hold the text */
buf=realloc(buf,buflen+=Bsize);
tmemmove(buf+buffilled,text,len);buffilled+=len;
}