From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:44351 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753582AbYEDRr5 (ORCPT ); Sun, 4 May 2008 13:47:57 -0400 Subject: Re: mac80211 truesize bugs From: Johannes Berg To: Herbert Xu Cc: David Miller , mb@bu3sch.de, netdev@vger.kernel.org, linux-wireless@vger.kernel.org In-Reply-To: <1209917006.3753.2.camel@johannes.berg> (sfid-20080504_180307_553231_1D0CF66C) References: <1209866916.6210.39.camel@johannes.berg> <20080504021213.GA30660@gondor.apana.org.au> <1209867740.6210.46.camel@johannes.berg> <20080504031652.GA30993@gondor.apana.org.au> <1209890847.6210.51.camel@johannes.berg> <1209892489.6210.56.camel@johannes.berg> <20080504094444.GA541@gondor.apana.org.au> <1209894754.6210.58.camel@johannes.berg> <1209900355.6210.64.camel@johannes.berg> <1209904088.4065.11.camel@johannes.berg> <20080504124542.GA1455@gondor.apana.org.au> <1209909990.3753.0.camel@johannes.berg> (sfid-20080504_160619_267031_C8D61782) <1209917006.3753.2.camel@johannes.berg> (sfid-20080504_180307_553231_1D0CF66C) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-gpAn2hDt8EKy96+lvFWr" Date: Sun, 04 May 2008 19:47:40 +0200 Message-Id: <1209923260.3655.2.camel@johannes.berg> (sfid-20080504_194721_979379_07EB6D7A) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-gpAn2hDt8EKy96+lvFWr Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > > [ 256.241496] KERNEL: assertion (!atomic_read(&sk->sk_wmem_alloc)) > > failed at net/packet/af_packet.c (225) >=20 > Except for that,=20 Oddly, I haven't been able to reproduce this, so I'll clean up the patches now. If I have a device that needs 100 bytes headroom (not unheard of), there will of course still be packets that don't have enough headroom. Should we skb_orphan them? johannes --=-gpAn2hDt8EKy96+lvFWr Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUASB32u6Vg1VMiehFYAQIudw/+Na3Nw9rYuA7K4quD16gDGC+Z+yMKsqe2 R6mRF9NPpKBnO+RyOEr6IPdA84CcMX8GJAc7lmlPTFq9C8M1qPrTO2cISfnNQbdI 32T1CYsgbyDubO+N4/KApi1ehFkO7pr3NwRG6rHZvCZ7xFhR88gJI2BcCK0zslwk ONlNlh1gs49e7J9eJXUU+8dj6so88+dj6gWHiHjlTRWXwZxQ3RhJUJlJtj3NX8Hq 71Adx+U5xX1goHLWcsHv8Zxch2jLlS7QI3gbBs+rD0Tw6vlYGrxH007VSzXxMgIE gpzVB1vMMidHz75erE7vzjmwlNggVyzlVQItD5TuEqXsPych8c39MyVUde/VoPL1 3Z4fg31Eug1drNenr2l5RV9+87MvS3WJs9b2axiv2N19IH8auB9ZkJ+WafRoJgTM OrgIWcZurc74H+YRaaGkCPd6eoiqjD3fgyGv9kaLB5slovyCty2no5n4mvCAYozl 4GfcQ83pikpIMRx6zjXhxYlDsRtyHiLsEPmkJohsgTHMwaTwsQbS9wZ418vC0UKd O9Nj7OUlp1px2nw+ch94oRSagiTSzarH3TU/sxpeAOJFERSuGqlExoA7GDjvmfOo fcYSaTwCRzqc7olvH1Emq3eXx3JAf1EbNhiidI4rdFrC6t16AyuU9ny7PGw+XOWp Tsp+CguoP9Q= =6eYc -----END PGP SIGNATURE----- --=-gpAn2hDt8EKy96+lvFWr--