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From: Ian Jackson <ian.jackson@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>
Subject: [PATCH 4/6] libxl: vncviewer: fix use-after-free
Date: Tue, 1 Feb 2011 18:25:00 +0000	[thread overview]
Message-ID: <1296584702-20138-5-git-send-email-ian.jackson@eu.citrix.com> (raw)
In-Reply-To: <1296584702-20138-4-git-send-email-ian.jackson@eu.citrix.com>

This bug can prevent xl vncviewer from working at all.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---
 tools/libxl/libxl.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 2d2b884..374e05e 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -848,9 +848,8 @@ int libxl_vncviewer_exec(libxl_ctx *ctx, uint32_t domid, int autopass)
     }
 
 skip_autopass:
-    libxl__free_all(&gc);
     libxl__exec(autopass_fd, -1, -1, args[0], args);
-    return 0;
+    abort();
 }
 
 /******************************************************************************/
-- 
1.5.6.5

  reply	other threads:[~2011-02-01 18:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-01 18:24 [PATCH 0/6] Fix xl vncviewer Ian Jackson
2011-02-01 18:24 ` [PATCH 1/1] vnc, xen: write vnc address and password to xenstore Ian Jackson
2011-02-01 18:24   ` [PATCH 2/6] libxl: SECURITY: always honour request for vnc password Ian Jackson
2011-02-01 18:24     ` [PATCH 3/6] libxl: actually print an error when execve (in libxl__exec) fails Ian Jackson
2011-02-01 18:25       ` Ian Jackson [this message]
2011-02-01 18:25         ` [PATCH 5/6] libxl: vncviewer: unconditionally read listen port address and password Ian Jackson
2011-02-01 18:25           ` [PATCH 6/6] libxl: vncviewer: make autopass work properly Ian Jackson
2011-02-03 12:39             ` Stefano Stabellini
2011-02-03 18:40               ` Ian Jackson
2011-02-04 11:15                 ` Stefano Stabellini
2011-02-04 14:45                   ` Ian Jackson
2011-02-04 14:51                     ` Stefano Stabellini
2011-02-03 12:39           ` [PATCH 5/6] libxl: vncviewer: unconditionally read listen port address and password Stefano Stabellini
2011-02-03 18:44             ` Ian Jackson
2011-02-03 12:38   ` [PATCH 1/1] vnc, xen: write vnc address and password to xenstore Stefano Stabellini
2011-02-03 18:42     ` Ian Jackson

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