From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: Re: WARNING: ODEBUG bug in process_one_req Date: Thu, 22 Mar 2018 16:29:00 +0200 Message-ID: <20180322142900.GD19440@mtr-leonro.local> References: <94eb2c0bc3aa8b2432056623c735@google.com> <20180322124823.GB19440@mtr-leonro.local> <20180322132031.GC19440@mtr-leonro.local> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="HtrkgkD3uBADSQLK" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Dmitry Vyukov Cc: syzbot , danielj@mellanox.com, dledford@redhat.com, Jason Gunthorpe , Johannes Berg , LKML , linux-rdma@vger.kernel.org, monis@mellanox.com, Paolo Abeni , parav@mellanox.com, Roland Dreier , syzkaller-bugs@googlegroups.com, yuval.shaia@oracle.com List-Id: linux-rdma@vger.kernel.org --HtrkgkD3uBADSQLK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Mar 22, 2018 at 02:36:55PM +0100, Dmitry Vyukov wrote: > On Thu, Mar 22, 2018 at 2:20 PM, Leon Romanovsky wrote: > > On Thu, Mar 22, 2018 at 02:10:21PM +0100, Dmitry Vyukov wrote: > >> This bug is actively happening several times per day, if such bug is > >> closed syzbot will open another bug on the next crash. > >> This bug has a reproducer, why do you think it is invalid? > > > > I tried to reproduce it on latest rdma-next and failed, so wanted to > > start from clean page and see if it is still relevant. > > Ah, I see. > You can now see the current status on dashboard: > https://syzkaller.appspot.com/bug?id=d4ac7bfeafac8a3d6d06123e078462ac765415e7 > Yes, it still happens. > > syzbot has already reported another incarnation of this bug, you can > see the link to dashboard in the email: > https://syzkaller.appspot.com/bug?extid=b8d5eb964e412cfd2678 > and it contains a link to the first version with reproducer. > > > Does it still reproduce on latest rdma-next? > > syzbot does not test rdma-next. > > But can you reproduce it on upstream tree where syzbot hits it? Just > to make sure, you have ODEBUG enabled, right? Thanks for the tip, I added more debug options and returned to try the repro on clean v4.16-rc1, it looks like I still don't have all needed config options (SELinux). mount(selinuxfs) failed (errno 2) Can you please cancel my email that closes this bug? Thanks --HtrkgkD3uBADSQLK Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEkhr/r4Op1/04yqaB5GN7iDZyWKcFAlqzvawACgkQ5GN7iDZy WKccUA/+LbBHJ0iMv/ogS7qC2Lc8Uflh7l/he/6nRHkQMoRtZzdTQyuY38tOrHtN YKQH+TyA6wgmH7WVGMJG1qkHCo878i7RX4JyDBKzSgAabL2WGsG1f5ZBxp5u3DSE sWws0IxRCRVde4VYhiBj+Az/WbtTXzz4vmua0q5dGNrIHGftReOu5nojw+hFCX4P KPT7EOFSE7na7n9Qv1TJEuLFzu5fZiFXAS5aVIjJ+7axJwJ7gAArNML//lLW9d01 YJyM1eEXRWEAfKBJZEYylGEJTKG4jlzPJJdbPtTeVCERApDLUX9G0QG7vDqSHT+r XEfS44e9XbrNjL6iyZYIU7CBukewKXxxHGLiWptOkAzOue/d5SGXRFryDea6JnZP nYPV+xKwWD+tevax4WxjEKSe82s6hwyqou+Gs2Iv0YQUagjul7Weep/DGFryiir/ meGv/AxN5mbn2KNtKHwh7cZQkTKb7I5TnhW/bIR18RIN2gj6f6SQZsz+jMohI5Yn pAqZtP54XjxBhBHybdOXJOP5eu7pOOP5IcHVjozENhhywliLZayGtWTv8D+N0PbJ VQ3z9w3YfmadHyub/DLYP4b56m45Uf5xsnG4FkezMWL9ugou0wAi2DXdTWLWkRua EzwC9RrP577dwCykxq1P/iGw3nk9GD+7wtHNeNVMAOsMP3w/728= =sXbH -----END PGP SIGNATURE----- --HtrkgkD3uBADSQLK--