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AJvYcCX30oiQI2ZdcbyXDGbgH5vrHUYO/34CpiuuF6t+Vh5NRkC1hpHZozHPGSTJZsvPfd7Vk/4x5zK0hg==@vger.kernel.org X-Gm-Message-State: AOJu0YzL8Uq2yV4X77IVMI+IgOyLLBYyVeV01Ng5oMaYVob8q3XzuCHK 2oM9ZhxW9AFXCjhFpXqYfo63vXpXtCxnVLvCjh+xdI1mSSdeYkT+1dYDHNFp81E= X-Google-Smtp-Source: AGHT+IF482qm71OBg3dA9iPtz3GXklywXbZ8iO2oGy5tKPfIAb/pGMdrJk3Kh+CMA8pz8uQTeQT01Q== X-Received: by 2002:adf:9c09:0:b0:374:c3a2:2b5e with SMTP id ffacd0b85a97d-378c2d5b1cbmr10327577f8f.37.1726640203319; Tue, 17 Sep 2024 23:16:43 -0700 (PDT) Received: from [192.168.0.216] ([185.44.53.103]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-378e78044easm11411043f8f.91.2024.09.17.23.16.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Sep 2024 23:16:42 -0700 (PDT) Message-ID: <5237b4c0-973f-44cc-a6ee-08302871fd19@kernel.dk> Date: Wed, 18 Sep 2024 00:16:41 -0600 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/1] io_uring/sqpoll: do not allow pinning outside of cpuset To: "Lai, Yi" , Felix Moessbauer Cc: asml.silence@gmail.com, linux-kernel@vger.kernel.org, io-uring@vger.kernel.org, cgroups@vger.kernel.org, dqminh@cloudflare.com, longman@redhat.com, adriaan.schmidt@siemens.com, florian.bezdeka@siemens.com, stable@vger.kernel.org, syzkaller-bugs@googlegroups.com, pengfei.xu@intel.com, yi1.lai@intel.com References: <20240909150036.55921-1-felix.moessbauer@siemens.com> Content-Language: en-US From: Jens Axboe In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/17/24 9:56 PM, Lai, Yi wrote: > Hi Felix Moessbauer, > > Greetings! > > I used Syzkaller and found that there is KASAN: use-after-free Read in io_sq_offload_create in Linux-next tree - next-20240916. > > After bisection and the first bad commit is: > " > f011c9cf04c0 io_uring/sqpoll: do not allow pinning outside of cpuset > " This is known and fixed: https://git.kernel.dk/cgit/linux/commit/?h=for-6.12/io_uring&id=a09c17240bdf2e9fa6d0591afa9448b59785f7d4 -- Jens Axboe