From c9c15ac3162d10a999bf71418fd710bf5676175e Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Tue, 21 May 2019 10:19:46 +0200
Subject: wcsmbs: Fix data race in __wcsmbs_clone_conv [BZ #24584]

This also adds an overflow check and documents the synchronization
requirement in <gconv.h>.
---
 iconv/gconv.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'iconv')

diff --git a/iconv/gconv.h b/iconv/gconv.h
index 5ad26c0..7ce79bc 100644
--- a/iconv/gconv.h
+++ b/iconv/gconv.h
@@ -86,6 +86,8 @@ struct __gconv_step
   struct __gconv_loaded_object *__shlib_handle;
   const char *__modname;
 
+  /* For internal use by glibc.  (Accesses to this member must occur
+     when the internal __gconv_lock mutex is acquired).  */
   int __counter;
 
   char *__from_name;
-- 
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