1From 9feafbc5c5cce13852062a527d719ecce6b54661 Mon Sep 17 00:00:00 2001 2From: Nick Wellnhofer <wellnhofer@aevum.de> 3Date: Sun, 13 Nov 2022 16:56:10 +0100 4Subject: [PATCH] io: Check for memory buffer early in xmlParserInputGrow 5 6Reference:https://github.com/GNOME/libxml2/commit/9feafbc5c5cce13852062a527d719ecce6b54661 7Conflict:NA 8--- 9 parserInternals.c | 8 ++++---- 10 1 file changed, 4 insertions(+), 4 deletions(-) 11 12diff --git a/parserInternals.c b/parserInternals.c 13index b8eab4b..0ef44fe 100644 14--- a/parserInternals.c 15+++ b/parserInternals.c 16@@ -310,6 +310,9 @@ xmlParserInputGrow(xmlParserInputPtr in, int len) { 17 if (in->cur == NULL) return(-1); 18 if (in->buf->buffer == NULL) return(-1); 19 20+ /* Don't grow memory buffers. */ 21+ if (in->buf->readcallback == NULL) return(0); 22+ 23 CHECK_BUFFER(in); 24 25 indx = in->cur - in->base; 26@@ -319,10 +322,7 @@ xmlParserInputGrow(xmlParserInputPtr in, int len) { 27 28 return(0); 29 } 30- if (in->buf->readcallback != NULL) { 31- ret = xmlParserInputBufferGrow(in->buf, len); 32- } else 33- return(0); 34+ ret = xmlParserInputBufferGrow(in->buf, len); 35 36 in->base = xmlBufContent(in->buf->buffer); 37 in->cur = in->base + indx; 38-- 392.27.0 40 41