From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 04EC64B6DF for ; Fri, 12 Jul 2024 20:46:24 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0A54C68DBA1; Fri, 12 Jul 2024 23:46:22 +0300 (EEST) Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3810368D9A4 for ; Fri, 12 Jul 2024 23:46:16 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 5C722C0003 for ; Fri, 12 Jul 2024 20:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1720817175; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=51YhwmQJE0TfBbV78xpoNXH7CM9nJUnLihtmzmn3Ikw=; b=UdTnG6Q6bGI/cbryZnNGuJks6o1rmQ1SZXExUTe4Xq+ytUi/U9tHltouYnmmHUYU2u4lUT UKqsswaUbBIsvo236cErxjyXoq8f7YvwG9O1tM8hcf3275IS7Jq9ACszNGRpSsItJPVcXW wx51WULdkhdMN1iFFjuZ+lG293XHDgkSVG6HtLUoKkrWW5qAGX5Cd6Tc3m9xQaS7eEYEYY eUbfkmsFQqdtNK1XHyDCvfnDUWA4j5SvFHiScwEhQflO4/uzELmPOhIgsL72wcIdMFOXLk fAzH3rWObByzKMJzDFeoESFBwzWdhfXrZ8OQ05DF9oFjGxaMZ1Fdl1o+Fthu5A== Date: Fri, 12 Jul 2024 22:46:14 +0200 From: Michael Niedermayer To: FFmpeg development discussions and patches Message-ID: <20240712204614.GV4991@pb2> References: <20240621193548.2923736-1-michael@niedermayer.cc> MIME-Version: 1.0 In-Reply-To: <20240621193548.2923736-1-michael@niedermayer.cc> X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [PATCH] avcodec/osq: avoid signed overflow in downsample path X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: multipart/mixed; boundary="===============6744083655814438531==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --===============6744083655814438531== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="kxzGxOQ47d/df3Gk" Content-Disposition: inline --kxzGxOQ47d/df3Gk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 21, 2024 at 09:35:48PM +0200, Michael Niedermayer wrote: > Fixes: signed integer overflow: 865309950 * 256 cannot be represented in = type 'int' > Fixes: 69191/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer= -6310214413385728 >=20 > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/t= ree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer > --- > libavcodec/osq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) will apply [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The worst form of inequality is to try to make unequal things equal. -- Aristotle --kxzGxOQ47d/df3Gk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEKAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZpGWFgAKCRBhHseHBAsP q02GAJ9HiO6pYOA3mTdr610otyDSXmNqSACdFsIthKfFB5lFBC8Rxvjz2uZ3GAQ= =Fw0M -----END PGP SIGNATURE----- --kxzGxOQ47d/df3Gk-- --===============6744083655814438531== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". --===============6744083655814438531==--