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Thu, 29 Aug 2024 16:28:10 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH/ftKnmUjyZCuqOjMEk1OFSOiaq0Iaf0lLk96xUKx8Qd1ZghN5c4b5HHa1WIK0tLHqz2+6bwA7Ogb8xZ1NyYk= X-Received: by 2002:a17:90a:7807:b0:2c9:75a7:5c25 with SMTP id 98e67ed59e1d1-2d856c7e4e8mr5697833a91.15.1724974089662; Thu, 29 Aug 2024 16:28:09 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Xingyu Li Date: Thu, 29 Aug 2024 16:27:57 -0700 Message-ID: Subject: Re: BUG: general protection fault in get_mem_cgroup_from_objcg To: Roman Gushchin Cc: hannes@cmpxchg.org, mhocko@kernel.org, shakeel.butt@linux.dev, muchun.song@linux.dev, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yu Hao , Juefei Pu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 0B844C0015 X-Stat-Signature: btnoyhdemscpadd9oesca77hdi58gfhb X-Rspam-User: X-HE-Tag: 1724974091-100717 X-HE-Meta: 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 34J205Io Wp33KtpJbD8eNAV8FZl+ZJS7em8jfZ0pPm73BbZBtKSAv+umCnjplnmejPBJFdEktu3u6wohRX17W25SpYTsQy8XyIzkMbz0DwEfADel2/+F1xw8w1iKExm9ZLmUGeT5nGdLXgKMtPITDHRt7TZwGwfGy6J4YZo5adcbRliQsLuIvRAX583ICG7zMmirGhLjIlRVAAPTRJskgihQnI6OcGzknMAPQUOvmFSBfZF9KiafoOxe/KpKwCwk2GCC+JMzXoUFIcJbKMnsxO2/lJ1VmOBaIsRNP5WHTqC/8isFgPhVxzLsZUcxwQxuKkUwDbhpexDEv1SNxG7qXZbAh/8xPnIL4VjPkkikX0aFxCYAaeCdz6CzGNt/hLqxmkRxZAbfFGqzHOmBw3xOI4k8IbFO8R0lXadQUJn//FNkA9VqkNs3w5S/5a3+iE9Yt0kXuu8AMl4Yh2OgpN/EcnoAd94WO6vdYsQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.001989, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Juefei: Can you give some input on this? On Thu, Aug 29, 2024 at 4:24=E2=80=AFPM Roman Gushchin wrote: > > On Wed, Aug 28, 2024 at 10:20:04PM -0700, Xingyu Li wrote: > > Hi, > > > > Here is the kernel config file: > > https://gist.github.com/TomAPU/64f5db0fe976a3e94a6dd2b621887cdd > > > > how long does it take to reproduce? > > Juefei will follow on this, and I just CC'ed him. > > I ran the reproducer for several hours in a vm without much success. > So in order to make any progress I'd really need a help from your side. > If you can reproduce it consistently, can you, please, try to bisect it? > > Thanks! --=20 Yours sincerely, Xingyu