From 66e9fd66e8fbc23063640ed466ca0eef64bc088c Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 25 Dec 2022 21:26:17 +0100
Subject: [PATCH] parser: Fix infinite loop with push parser in recovery mode

Short-lived regression from commit b1f9c193. Found by OSS-Fuzz.
---
 parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/parser.c b/parser.c
index 34a3c865..5dd17a42 100644
--- a/parser.c
+++ b/parser.c
@@ -11836,7 +11836,7 @@ xmlParseTryOrFinish(xmlParserCtxtPtr ctxt, int terminate) {
                         size = XML_PARSER_BIG_BUFFER_SIZE;
                     }
                     tmp = xmlCheckCdataPush(ctxt->input->cur, size, 0);
-                    if (tmp < 0) {
+                    if (tmp <= 0) {
                         tmp = -tmp;
                         ctxt->input->cur += tmp;
                         goto encoding_error;