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From: Luiz Capitulino <lcapitulino@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
	Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] test-qmp-commands reads freed memory
Date: Sat, 8 Mar 2014 11:09:33 -0500	[thread overview]
Message-ID: <20140308110933.28374e9a@redhat.com> (raw)
In-Reply-To: <CAFEAcA85eJTo4s5qksAv_YkHwG+70BZ5x1KUBUM-gtkXPuhsXg@mail.gmail.com>

On Sat, 8 Mar 2014 14:40:27 +0000
Peter Maydell <peter.maydell@linaro.org> wrote:

> The test-qmp-commands test binary seems to read from freed
> memory. This triggers the MacOSX malloc implementation's
> assertions. git bisect blames

Can you try the patch below? For the clang ones, I'll have to install it etc,
so it will take a bit longer.

I wonder how this didn't explode...

diff --git a/tests/test-qmp-commands.c b/tests/test-qmp-commands.c
index 8e62c2d..554e222 100644
--- a/tests/test-qmp-commands.c
+++ b/tests/test-qmp-commands.c
@@ -141,7 +141,7 @@ static void test_dispatch_cmd_io(void)
 
     ret3 = qobject_to_qint(test_qmp_dispatch(req));
     assert(qint_get_int(ret3) == 66);
-    QDECREF(ret);
+    QDECREF(ret3);
 
     QDECREF(req);
 }

  reply	other threads:[~2014-03-08 16:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-08 14:40 [Qemu-devel] test-qmp-commands reads freed memory Peter Maydell
2014-03-08 16:09 ` Luiz Capitulino [this message]
2014-03-08 16:41   ` Peter Maydell
2014-03-08 17:27     ` [Qemu-devel] [PATCH] tests: test-qmp-commands: Fix double free Luiz Capitulino
2014-03-10 15:49       ` Eric Blake

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