Hi Leena,
On Tue, Nov 16, 2010 at 02:40:48PM +0530, [email protected] wrote:
> Fix for Double free corruption during WiFi disconnect.
>
> This issue is easily reproduced after a disconnect and a connect to WiFi. On
> disconnect, __connman_tethering_update_interface is called which will free
> default_interface but since interface is null during disconnect, no strdup is
> done. Now on connect, __connman_tethering_update_interface is called which
> will also try to free the default_interface which was already freed during
> disconnect and hence the issue.
>
> If interface is NULL, making default_interface also NULL will fix the issue.
Thanks a lot, patch applied.
Cheers,
Samuel.
> ---
> src/tethering.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/src/tethering.c b/src/tethering.c
> index 8cbee09..c5e957d 100644
> --- a/src/tethering.c
> +++ b/src/tethering.c
> @@ -331,6 +331,7 @@ void __connman_tethering_update_interface(const char
> *interface)
>
> if (interface == NULL) {
> disable_nat(interface);
> + default_interface = NULL;
>
> return;
> }
> ---
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