--- /dev/null
+From 2272f6421cabc916fabae78faad568b1c96af618 Mon Sep 17 00:00:00 2001
+From: Nick Bowler <nbowler@elliptictech.com>
+Date: Wed, 10 Nov 2010 10:11:36 -0500
+Subject: [PATCH] xcb_auth: Fix memory leak in _xcb_get_auth_info.
+
+If the initial get_peer_sock_name(getpeername ...) succeeds, the
+pointer to allocated memory is overwritten by the later call to
+get_peer_sock_name(getsockname ...). Fix that up by freeing
+the allocated memory before overwriting the pointer.
+
+Signed-off-by: Nick Bowler <nbowler@draconx.ca>
+---
+ src/xcb_auth.c | 11 ++++++++---
+ 1 files changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/src/xcb_auth.c b/src/xcb_auth.c
+index 1af27fc..4839b78 100644
+--- a/src/xcb_auth.c
++++ b/src/xcb_auth.c
+@@ -327,10 +327,15 @@ int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display)
+ if (!info->namelen)
+ goto no_auth; /* out of memory */
+
+- if (!gotsockname && (sockname = get_peer_sock_name(getsockname, fd)) == NULL)
++ if (!gotsockname)
+ {
+- free(info->name);
+- goto no_auth; /* can only authenticate sockets */
++ free(sockname);
++
++ if ((sockname = get_peer_sock_name(getsockname, fd)) == NULL)
++ {
++ free(info->name);
++ goto no_auth; /* can only authenticate sockets */
++ }
+ }
+
+ ret = compute_auth(info, authptr, sockname);
+--
+1.7.2.2
+