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smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=k9RCxh64; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6842606A328; Wed, 4 Nov 2026 07:21:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=k9RCxh64 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0CD91F000C1; Wed, 4 Nov 2026 07:21:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793776866; bh=L0psWKRkASGm46CunD1oZXPWrrP9V2HqWj0pDQuxulg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=k9RCxh64i0WDXkNSfepE9eHTvVOorBjZpHTpacgODRluwSmtEoFSbunhpgyG54Q5U mFsURCkoO62yW411T+TN8trzrlaoZUQ/EuAkCXyQNfnmofEyAxEKcnTamRK07ss6Mh DNCJVniW1Ru1rLQCXMaG40FfpVrqIPyacSxEWoQUijK+HJJKXmPZ40iPFV/hqx172h q1aCqrVggefYeB57vDP91mLheS14+HwgsALAp/Bgn+830h7DScDGOA7Rlut8QMmLr2 j+NVbh/fxdcDRqe+kZLyX9gsTHyMzaaempaf07LzQxCg00NdX5W/o9+nM8eLsk5V7y o2ht7P4ZCwZfw== Message-ID: Date: Wed, 4 Nov 2026 08:21:00 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] media: exynos4-is: Free the control handler if fimc_ctrls_create() fails To: Wentao Liang , Sylwester Nawrocki , Mauro Carvalho Chehab , Peter Griffin , Alim Akhtar Cc: linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20261103094612.1289226-1-vulab@iscas.ac.cn> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 03/11/2026 10:46, Wentao Liang wrote: > v4l2_ctrl_handler_init() allocates the handler's bucket array, and each > subsequent v4l2_ctrl_new_std() call allocates a control. When one of > those calls fails it only records the error in handler->error. > fimc_ctrls_create() returns that error with ctrls->ready left false, so > neither caller calls fimc_ctrls_delete(), and that function would not > free the handler in that state anyway. The bucket array and the > controls created so far are leaked. > > Free the handler before returning the error. > > Fixes: 9448ab7dec30 ("[media] s5p-fimc: Add color effect control") > Cc: stable@vger.kernel.org > Assisted-by: DeepSeek-V4.1-Flash and OpenAI Codex > Signed-off-by: Wentao Liang This is another posting of bot ignoring feedback and probably introducing vilnerabilities hidden in big spam posting. Best regards, Krzysztof