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[209.85.167.45]) by smtp.gmail.com with ESMTPSA id c17sm400923lfr.56.2021.06.10.14.04.20 for <io-uring@vger.kernel.org> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Jun 2021 14:04:20 -0700 (PDT) Received: by mail-lf1-f45.google.com with SMTP id r5so5329772lfr.5 for <io-uring@vger.kernel.org>; Thu, 10 Jun 2021 14:04:20 -0700 (PDT) X-Received: by 2002:a05:6512:3d13:: with SMTP id d19mr433821lfv.41.1623359060330; Thu, 10 Jun 2021 14:04:20 -0700 (PDT) MIME-Version: 1.0 References: <192c9697e379bf084636a8213108be6c3b948d0b.camel@trillion01.com> <9692dbb420eef43a9775f425cb8f6f33c9ba2db9.camel@trillion01.com> <87h7i694ij.fsf_-_@disp2133> <CAHk-=wjC7GmCHTkoz2_CkgSc_Cgy19qwSQgJGXz+v2f=KT3UOw@mail.gmail.com> <198e912402486f66214146d4eabad8cb3f010a8e.camel@trillion01.com> <87eeda7nqe.fsf@disp2133> <b8434a8987672ab16f9fb755c1fc4d51e0f4004a.camel@trillion01.com> <87pmwt6biw.fsf@disp2133> <87czst5yxh.fsf_-_@disp2133> <CAHk-=wiax83WoS0p5nWvPhU_O+hcjXwv6q3DXV8Ejb62BfynhQ@mail.gmail.com> <87y2bh4jg5.fsf@disp2133> <CAHk-=wjPiEaXjUp6PTcLZFjT8RrYX+ExtD-RY3NjFWDN7mKLbw@mail.gmail.com> <87sg1p4h0g.fsf_-_@disp2133> In-Reply-To: <87sg1p4h0g.fsf_-_@disp2133> From: Linus Torvalds <torvalds@linux-foundation.org> Date: Thu, 10 Jun 2021 14:04:04 -0700 X-Gmail-Original-Message-ID: <CAHk-=wj5_=m4DyZ=8==bfL2UCnWU=UDjQu-XCq_b92oDJh1i-Q@mail.gmail.com> Message-ID: <CAHk-=wj5_=m4DyZ=8==bfL2UCnWU=UDjQu-XCq_b92oDJh1i-Q@mail.gmail.com> Subject: Re: [PATCH] coredump: Limit what can interrupt coredumps To: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Olivier Langlois <olivier@trillion01.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-fsdevel <linux-fsdevel@vger.kernel.org>, io-uring <io-uring@vger.kernel.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Jens Axboe <axboe@kernel.dk>, "Pavel Begunkov>" <asml.silence@gmail.com>, Oleg Nesterov <oleg@redhat.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <io-uring.vger.kernel.org> X-Mailing-List: io-uring@vger.kernel.org On Thu, Jun 10, 2021 at 1:11 PM Eric W. Biederman <ebiederm@xmission.com> wrote: > > Make the coredump code more robust by explicitly testing for all of > the wakeup conditions the coredump code supports. This prevents > new wakeup conditions from breaking the coredump code, as well > as fixing the current issue. Thanks, applied. And lots of thanks to Olivier who kept debugging the odd coredump behavior he saw. Linus