From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:45000 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751355AbYEDWso (ORCPT ); Sun, 4 May 2008 18:48:44 -0400 Subject: Re: mac80211 truesize bugs From: Johannes Berg To: David Miller Cc: herbert@gondor.apana.org.au, mb@bu3sch.de, netdev@vger.kernel.org, linux-wireless@vger.kernel.org In-Reply-To: <20080504.154540.214129591.davem@davemloft.net> References: <1209904088.4065.11.camel@johannes.berg> <20080504124542.GA1455@gondor.apana.org.au> <1209909990.3753.0.camel@johannes.berg> <20080504.154540.214129591.davem@davemloft.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-wiiaCynr+lpV8e7XFNY+" Date: Mon, 05 May 2008 00:48:31 +0200 Message-Id: <1209941311.3981.13.camel@johannes.berg> (sfid-20080505_004806_943831_4AD01810) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-wiiaCynr+lpV8e7XFNY+ Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2008-05-04 at 15:45 -0700, David Miller wrote: > From: Johannes Berg > Date: Sun, 04 May 2008 16:06:30 +0200 >=20 > > [ 256.241496] KERNEL: assertion (!atomic_read(&sk->sk_wmem_alloc)) > > failed at net/packet/af_packet.c (225) > >=20 > > any ideas about that? >=20 > This is exactly what happens if you change skb->truesize > when a socket is still attached to the skb. Ok, that makes sense. Then it also makes sense I never got that warning again, I had left one of my test patches in too long. johannes --=-wiiaCynr+lpV8e7XFNY+ Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUASB49PaVg1VMiehFYAQKJ3RAAoXTvAuBKbxvTD3REHfplf6JKTt1Mf2Mt kQNKKA5S3pDEEp3Gl9gD20ALtjT3ascyk/cfbUK+9urThpDwZQ9dfsvK8ykuXIXA 1kgLxMA+awSav9rhm2xpkzCqqoRxfkMD0dpaS2GeJi/dp/P7eAoxWvi2LkS3ovNb 3PGa7HKHEcIsgyBCQBwh/ODOzLISW+m7mOBJeJSZK1aJ2Ys37sjD//T8UkKy4KAy kct0kklYBbeM2yajRS6B6ImBM61myITPAblvJMJd8qOueqRUuPlIzkx4ezEmBm/5 qOlPdKd8uTBYpTCxghcxXz7xlaX1ePxuPiPJpWPPslX/2f/AXCwg55wi5l3mZFaj e/98gCyJLhkO2dTpSNqD+tOGO5/HXHV7CCrMVBbLvLgHvS6HLjbKRhSkieWYSbNB YasnM2EYl69YNU+FSOOxXIKRHFz8oZh6iLvTEwi3SaaKNfvY0Kn8FYzMGs4Ph0P4 hBpgHo6pHxXQdR8xNWTIToeNZcT/KCq0D0J/O8zdeNmcGPXPk8USGeOgXvCEN7mn rLRA+4rww04NgayFeAdl6WKYbE5ClKgE8qXtj7fGL7G/LhKISMEXTlVfmePT5TQK xsXQ+xUHLZ0fQw+s2pHDh2AnOSgl3wfzeMNOjhUWcg4psRm1/iMo3rF2dyi17ykr TEi3xqBLlYA= =9cNC -----END PGP SIGNATURE----- --=-wiiaCynr+lpV8e7XFNY+--