From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 92182280281 for ; Wed, 17 Jan 2018 03:56:32 -0500 (EST) Received: by mail-wm0-f69.google.com with SMTP id g65so3743758wmf.7 for ; Wed, 17 Jan 2018 00:56:32 -0800 (PST) Received: from atrey.karlin.mff.cuni.cz (atrey.karlin.mff.cuni.cz. [195.113.26.193]) by mx.google.com with ESMTPS id c29si3351627wmi.226.2018.01.17.00.56.31 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 17 Jan 2018 00:56:31 -0800 (PST) Date: Wed, 17 Jan 2018 09:56:29 +0100 From: Pavel Machek Subject: Re: [PATCH 0/1] Re: kernel BUG at fs/userfaultfd.c:LINE! Message-ID: <20180117085629.GA20303@amd> References: <20171222222346.GB28786@zzz.localdomain> <20171223002505.593-1-aarcange@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tKW2IUtsqtDRztdT" Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Dmitry Vyukov Cc: Andrea Arcangeli , Andrew Morton , Eric Biggers , Mike Rapoport , LKML , linux-fsdevel@vger.kernel.org, Al Viro , Linux-MM , syzkaller-bugs@googlegroups.com --tKW2IUtsqtDRztdT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > Andrea Arcangeli (1): > > userfaultfd: clear the vma->vm_userfaultfd_ctx if UFFD_EVENT_FORK > > fails > > > > fs/userfaultfd.c | 20 ++++++++++++++++++-- > > 1 file changed, 18 insertions(+), 2 deletions(-) >=20 > The original report footer was stripped, so: >=20 > Please credit me with: Reported-by: syzbot Please don't. We don't credit our CPUs, and we don't credit Qemu. We credit humans. > and we also need to tell syzbot about the fix with: >=20 > #syz fix: > userfaultfd: clear the vma->vm_userfaultfd_ctx if UFFD_EVENT_FORK fails Now you claimed you care about bugs being fixed. What about actually testing Andrea's fix and telling us if it fixes the problem or not, and maybe saying "thank you"? Thank you, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --tKW2IUtsqtDRztdT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlpfD70ACgkQMOfwapXb+vJ4mwCbBiOye7rXY81/XZEDrhf/d3ZQ 9ZMAn0XYMRhiZrQEC0i+QA5adVGWvKRN =a93L -----END PGP SIGNATURE----- --tKW2IUtsqtDRztdT-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org