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From: <lichun@ruijie.com.cn>
To: <pbonzini@redhat.com>, <armbru@redhat.com>
Cc: marcandre.lureau@redhat.com, qemu-devel@nongnu.org, 706701795@qq.com
Subject: Re: Re: [PATCH v2] chardev/tcp: fix error message double free error
Date: Wed, 1 Jul 2020 15:12:08 +0000	[thread overview]
Message-ID: <EEB2AE3E67807845A92E2350C6F5E02E0131DC6F73@FZEX3.ruijie.com.cn> (raw)
In-Reply-To: 309b915a-9ddc-95a7-f579-7cf66a7c0253@redhat.com

>On 01/07/20 09:06, Markus Armbruster wrote:
>> lichun <lichun@ruijie.com.cn> writes:
>>
>>> Signed-off-by: lichun <lichun@ruijie.com.cn>
>>> ---
>>>  chardev/char-socket.c | 3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
>>> index afebeec5c3..569d54c144 100644
>>> --- a/chardev/char-socket.c
>>> +++ b/chardev/char-socket.c
>>> @@ -142,6 +142,8 @@ static void check_report_connect_error(Chardev *chr,
>>>                            "Unable to connect character device %s: ",
>>>                            chr->label);
>>>          s->connect_err_reported = true;
>>> +    } else {
>>> +        error_free(err);
>>>      }
>>>      qemu_chr_socket_restart_timer(chr);
>>>  }
>>> @@ -1086,7 +1088,6 @@ static void qemu_chr_socket_connected(QIOTask *task, void *opaque)
>>>      if (qio_task_propagate_error(task, &err)) {
>>>          tcp_chr_change_state(s, TCP_CHARDEV_STATE_DISCONNECTED);
>>>          check_report_connect_error(chr, err);
>>> -        error_free(err);
>>>          goto cleanup;
>>>      }
>>
>> Reviewed-by: Markus Armbruster <armbru@redhat.com>
>>
>> and queued, thanks!
>>
>
>Can you please add a note to the commit message?
>
>    Errors are already freed by error_report_err, so we only need to call
>    error_free when that function is not called.
>  
>and Cc qemu-stable?  Or I can queue it too since it's chardev stuff. 
Ok,  I'll post v3.
>

  reply	other threads:[~2020-07-01 15:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-21 21:30 [PATCH v2] chardev/tcp: fix error message double free error lichun
2020-06-25  6:47 ` Markus Armbruster
2020-06-25  9:25   ` Marc-André Lureau
2020-06-28  2:19     ` lichun
2020-07-01  7:06 ` Markus Armbruster
2020-07-01 13:09   ` Paolo Bonzini
2020-07-01 15:12     ` lichun [this message]
2020-07-01 15:14       ` Paolo Bonzini
2020-07-02  4:25     ` Markus Armbruster

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