https://github.com/libical/libical/commit/eeccee80d0485bdd3951924b294a82e8bc39a5f8
https://bugs.gentoo.org/876622

From: Allen Winter <allen.winter@kdab.com>
Date: Mon, 10 Oct 2022 14:58:29 -0400
Subject: [PATCH] Revert "src/libical/icalparser.c - fix a fuzz issue for
 integer overflow"

This reverts commit ca3e2ad983771b90da259994b7a6d7de1fd1abdc.
--- a/src/libical/icalparser.c
+++ b/src/libical/icalparser.c
@@ -630,7 +630,6 @@ icalcomponent *icalparser_parse(icalparser *parser,
                                 icalparser_line_gen_func line_gen_func)
 {
     char *line;
-    unsigned int cnt = 0;
     icalcomponent *c = 0;
     icalcomponent *root = 0;
     icalerrorstate es = icalerror_get_error_state(ICAL_MALFORMEDDATA_ERROR);
@@ -641,7 +640,6 @@ icalcomponent *icalparser_parse(icalparser *parser,
     icalerror_set_error_state(ICAL_MALFORMEDDATA_ERROR, ICAL_ERROR_NONFATAL);
 
     do {
-        cnt++;
         line = icalparser_get_line(parser, line_gen_func);
 
         if ((c = icalparser_add_line(parser, line)) != 0) {
@@ -681,7 +679,7 @@ icalcomponent *icalparser_parse(icalparser *parser,
             icalmemory_free_buffer(line);
             cont = 1;
         }
-    } while (cont && cnt < TMP_BUF_SIZE);
+    } while (cont);
 
     icalerror_set_error_state(ICAL_MALFORMEDDATA_ERROR, es);