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Re: [Qemu-devel] [PATCH] websock: fix handshake leak


From: Daniel P . Berrangé
Subject: Re: [Qemu-devel] [PATCH] websock: fix handshake leak
Date: Fri, 19 Oct 2018 11:26:47 +0100
User-agent: Mutt/1.10.1 (2018-07-13)

On Fri, Oct 19, 2018 at 02:13:46PM +0400, Marc-André Lureau wrote:
> Thanks Valgrind:
> 
> ==955== 217 bytes in 1 blocks are definitely lost in loss record 275 of 321
> ==955==    at 0x483A965: realloc (vg_replace_malloc.c:785)
> ==955==    by 0x50B6839: __vasprintf_chk (in /usr/lib64/libc-2.28.so)
> ==955==    by 0x49AA05C: g_vasprintf (in /usr/lib64/libglib-2.0.so.0.5800.1)
> ==955==    by 0x4983440: g_strdup_vprintf (in 
> /usr/lib64/libglib-2.0.so.0.5800.1)
> ==955==    by 0x126048: qio_channel_websock_handshake_send_res 
> (channel-websock.c:162)
> ==955==    by 0x1266E6: qio_channel_websock_handshake_send_res_ok 
> (channel-websock.c:362)
> ==955==    by 0x126D3E: qio_channel_websock_handshake_process 
> (channel-websock.c:468)
> ==955==    by 0x126EF2: qio_channel_websock_handshake_read 
> (channel-websock.c:511)
> ==955==    by 0x12715B: qio_channel_websock_handshake_io 
> (channel-websock.c:571)
> ==955==    by 0x125027: qio_channel_fd_source_dispatch (channel-watch.c:84)
> ==955==    by 0x496326C: g_main_context_dispatch (in 
> /usr/lib64/libglib-2.0.so.0.5800.1)
> ==955==    by 0x169EC3: glib_pollfds_poll (main-loop.c:215)
> 
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
>  io/channel-websock.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/io/channel-websock.c b/io/channel-websock.c
> index e6608b969d..dc43dc6bb9 100644
> --- a/io/channel-websock.c
> +++ b/io/channel-websock.c
> @@ -163,6 +163,7 @@ qio_channel_websock_handshake_send_res(QIOChannelWebsock 
> *ioc,
>      responselen = strlen(response);
>      buffer_reserve(&ioc->encoutput, responselen);
>      buffer_append(&ioc->encoutput, response, responselen);
> +    g_free(response);
>      va_end(vargs);
>  }

Reviewed-by: Daniel P. Berrangé <address@hidden>


Regards,
Daniel
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