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Date: Mon, 26 Nov 2007 16:56:01 +0100 From: Patrick McHardy <kaber@...sh.net> To: Herbert Xu <herbert@...dor.apana.org.au> CC: "David S. Miller" <davem@...emloft.net>, Linux Netdev List <netdev@...r.kernel.org> Subject: Re: [XFRM]: Fix leak of expired xfrm_states Herbert Xu wrote: > On Mon, Nov 26, 2007 at 04:51:42PM +0100, Patrick McHardy wrote: >> It actually won't get freed at all currently since nothing is >> calling __xfrm_state_destroy(). __xfrm_state_delete() uses >> __xfrm_state_put(), which only decrements the refcount, but >> doesn't perform destruction. >> >> This is visible when looking at the xfrm[46]_mode_{tunnel,transport} >> module reference counts, they climb higher and higher over time. > > Oh I see. How about just removing those double underscores then? That should work as long as we keep the del_timer_sync to avoid a use-after-free. It seems a bit fragile though. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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