From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69827271456 for ; Mon, 24 Nov 2025 14:46:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763995579; cv=none; b=FXCW431rdsgurM39ISHoSUEMi+6ZwCEY7vFJRC7L5EWGovmr8nY8cvdO6zcbztG6/yOx+0adszv1lfB3wsH6SoEan8QC1tUVm4FfgM6JS2kCjsoZuEkfHQSZyx6wvEUHb1obh5/RAudaroC20+kJJY/2ig5gK9ewA2q5elXCfR4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763995579; c=relaxed/simple; bh=zI2+Mj4GhjBZHnIeCnnVOMGHFc8lgLnTznYBNR619zs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=M0ORgyOGjFQib5EkQK8Fgzt8pF7TTFF/pgocVFjR8dXS5EYBSp6OLcidvTaZfMkC7SD+L1CkXVWFt4LbGViSS6q7bxyWeULVFDGIQA23RTRZWlc5wkgHa3dDjIyzGgJwhnSHYuXG2x8zFvPzhoVqahhi16rdjcu+tcGPBGR0a1U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=C6oQkJk2; arc=none smtp.client-ip=209.85.218.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="C6oQkJk2" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-b7636c96b9aso587792266b.2 for ; Mon, 24 Nov 2025 06:46:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1763995576; x=1764600376; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=JLvhfge4CIb6yyH43/7pRWYExkyIBhwpYjakYPjPkMY=; b=C6oQkJk2LC3gZycjxPwisEm23jmSgKz88KGli1/VeWGxvJKXTLfaVEjQwUcIpe1ra1 IRm0Co4U5DECCFq3q+ah4WCyaIxmWzRcGxhwKaAZVA3uXWlIheN2PsP3mVwvci7jBXsz G3cL+kQrLeCpLB1tK7UuPS386VsZDSJdE4q6oekf5AZMVsHNLFf0SmynRqPWgBnMe+r/ bjfC0HtVDjyaN43OXSefbMi/u+gTGh1YS+rkVv9++nzftxwPXDbTfpdLbjTdDRmrTo5S CWNqIFEEsTMvkNgw5K4A1aZAj741XWl+5VAfHTl11DObgXXVHh9+90q3jltmSGY91N5H boag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763995576; x=1764600376; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JLvhfge4CIb6yyH43/7pRWYExkyIBhwpYjakYPjPkMY=; b=AgqbWXxGr6kwhgjNLVvKNs58vlva19iZLaIV6KTr2fyM67LptbElqUhelH7BCLSFEi srg9nZYHxF3hqvU/mtvExNdknwsw72/9ZS5WhydlBaiu9JwhB29iiQEWlBmJnggCNesg U/xxJt33vIW16b6jBzFDa0aZa2bVmDl3u5UCxouUUFr9ccr0SF9S27dMBOlV68AKvoUz KUwbpp8e0aS8Dq6plQdUKK3WezvuXhHghDZFQH/UXcWDV2B68CBnNqjCpVZaRCYSzZFU aAf8kS2gsPWQMmJsyvRcCdMeDr/QYCnUnTCdbJcFQqc40kKM2Fdv1obOGwqqF2Kf7XSc aXGA== X-Gm-Message-State: AOJu0YyQyfNB03IOgFcSz3hbuOWaSpGByIt4f37vcXY0IH22TqMhu0b8 eeOGTzyPqynpgbO5cXZ7VvwtpPj8JeFFsotkwfN3m6PgCkPINH0EdQfrSaa93oleD/Q= X-Gm-Gg: ASbGncsVAQWpN0J+0Au6n8HcAZ3h3BQOf81X0IaLc7I4s6FQbijiJvqLRtqZHbAjdEm wWPr3qyiYQgWA3d+vVjiEPRwDkQZV8HBSdFgCJfxHDDvpWsiuLGVoru696nXcSCWQgNFG9iNj/l 60hZ+49kB1fYOxV2ijivrF1Z20wwkRpo2JscL1PMrLKn4pd2kJEHxTwSqdmbu3QXjg51Yhdm9Do 7TWn+N9rAndjVbzQejU8ftFJIKAiaVh72y9AwlNvJtt7V+yqE/hftb6CJ85HHUMkPPZxDB56tl4 9u2eeBgCZjyy16b9J31b3iqTLFPoqP/XNumIHS3XFFdYzUeQL/mU0WJhrwqfpr92RyRSaCulJB3 HVevoJC3EuFx8kODvqWZPn+wAUIWj5hEH+A8DnY91TqvHtFbCfldufOE5RVHidT4yhTvaL/tgKB OWru9uWPC0ZaXN4R2L X-Google-Smtp-Source: AGHT+IGRM/cCRanTrnOOcNdigYUiq6u7agISTsEp/ACdJMSubOF6fgLmulduAOOECZNchcsT6yHC9w== X-Received: by 2002:a17:906:fd83:b0:b73:3f7d:3ce with SMTP id a640c23a62f3a-b767184c12cmr1229208366b.46.1763995575588; Mon, 24 Nov 2025 06:46:15 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with UTF8SMTPSA id a640c23a62f3a-b7654d3bfcesm1299411666b.15.2025.11.24.06.46.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Nov 2025 06:46:15 -0800 (PST) Date: Mon, 24 Nov 2025 17:46:11 +0300 From: Dan Carpenter To: Toomas Soome Cc: smatch@vger.kernel.org Subject: Re: apparent bug about check_free_strict Message-ID: References: <719690CC-A1F0-47B7-AD43-0A1EBD632081@me.com> <13919A78-B19A-4A44-95F1-A729562C50BF@me.com> Precedence: bulk X-Mailing-List: smatch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Toomas, I've recently re-written the check for use after frees. Could you retest? I have another fix for use after free which I'm going to send tomorrow hopefully... regards, dan carpenter