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([2a01:4b00:d20e:7300:6f87:1ca5:9107:75]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-429ed649019sm8768855e9.8.2024.08.15.18.27.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Aug 2024 18:28:00 -0700 (PDT) Message-ID: <393fbdf0-7e56-486b-b932-3c7561e83740@gmail.com> Date: Fri, 16 Aug 2024 02:27:58 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] kunit/overflow: Fix UB in overflow_allocation_test To: Andrew Morton Cc: kees@kernel.org, davidgow@google.com, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, erhard_f@mailbox.org References: <20240815000431.401869-1-ivan.orlov0322@gmail.com> <20240815160402.a4c80b075082f537853fe2d0@linux-foundation.org> Content-Language: en-US From: Ivan Orlov In-Reply-To: <20240815160402.a4c80b075082f537853fe2d0@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/16/24 00:04, Andrew Morton wrote: > On Thu, 15 Aug 2024 01:04:31 +0100 Ivan Orlov wrote: > >> Subject: [PATCH] kunit/overflow: Fix UB in overflow_allocation_test > > What's "UB", btw? UB in the patch title stands for "undefined behavior", since passing a pointer with such a short lifetime to kunit_device_register causes one. I was not sure about how to call this type of issues (misallocation, probably?), so I decided to give it a generic name :) -- Kind regards, Ivan Orlov