File resolv-context-leak.patch of Package glibc

2017-08-09  Florian Weimer  <fweimer@redhat.com>

	[BZ #21932]
	* nss/getXXbyYY_r.c (REENTRANT_NAME): Call __resolv_context_put
	before early return.

2017-08-03  Florian Weimer  <fweimer@redhat.com>

	[BZ #21885]
	* sysdeps/posix/getaddrinfo.c (gethosts): Release resolver context
	on memory allocation failure.

Index: glibc-2.26/nss/getXXbyYY_r.c
===================================================================
--- glibc-2.26.orig/nss/getXXbyYY_r.c
+++ glibc-2.26/nss/getXXbyYY_r.c
@@ -234,6 +234,9 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, L
 				      H_ERRNO_VAR_P))
     {
     case -1:
+# ifdef NEED__RES
+      __resolv_context_put (res_ctx);
+# endif
       return errno;
     case 1:
 #ifdef NEED_H_ERRNO
@@ -253,7 +256,12 @@ INTERNAL (REENTRANT_NAME) (ADD_PARAMS, L
       nscd_status = NSCD_NAME (ADD_VARIABLES, resbuf, buffer, buflen, result
 			       H_ERRNO_VAR);
       if (nscd_status >= 0)
-	return nscd_status;
+	{
+# ifdef NEED__RES
+	  __resolv_context_put (res_ctx);
+# endif
+	  return nscd_status;
+	}
     }
 #endif
 
Index: glibc-2.26/sysdeps/posix/getaddrinfo.c
===================================================================
--- glibc-2.26.orig/sysdeps/posix/getaddrinfo.c
+++ glibc-2.26/sysdeps/posix/getaddrinfo.c
@@ -255,6 +255,8 @@ convert_hostent_to_gaih_addrtuple (const
       break;								      \
     if (!scratch_buffer_grow (tmpbuf))					      \
       {									      \
+	__resolv_context_enable_inet6 (res_ctx, res_enable_inet6);	      \
+	__resolv_context_put (res_ctx);					      \
 	result = -EAI_MEMORY;						      \
 	goto free_and_return;						      \
       }									      \