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 D3D614C002 for ; Sat, 20 Jul 2024 00:54:06 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DA0EF68DAC3; Sat, 20 Jul 2024 03:53:00 +0300 (EEST) Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7A73C68DA2A for ; Sat, 20 Jul 2024 03:52:49 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id DD02DFF805 for ; Sat, 20 Jul 2024 00:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1721436769; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SB84ornLtUlGTU8R3nsZaKTxvMZeJhuKBUTWjjkDmkg=; b=NiryB6jEok1sZUJflqP7+2ACqob6Z9dh6bJ060CmBMkhEdUoEukoXAWUJ6AwpYMH0VwYwi D1cBBq2iQDlMtW6eFaKvl87CX/a5kppNMNOSCn+im5P1/LaLbBZaeHvEi4WWdgaR7pm8Ok o5DFI7BUl0CDnpHcNgeGM3G4UGcNB8C0+ps4pQL28+J4177J9Di7ghqcw6morEl6Obs5dm PouBa4Rn2umXnxN+56ZZReO/7JKQv1eBvAHq+5ZLloSSamJIXKLMhpNvm+G1zTsapTWPX6 FDQzgOXujQOZa87VPFyWDBQIOj+MM35Hj/+lCIz3R/JbVRmCJPkcoLZsMOWXQw== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 20 Jul 2024 02:52:38 +0200 Message-ID: <20240720005241.726089-8-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240720005241.726089-1-michael@niedermayer.cc> References: <20240720005241.726089-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 08/11] avcodec/osq: fix integer overflow when applying factor 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: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Fixes: signed integer overflow: -35511773 * 256 cannot be represented in type 'int' Fixes: 70406/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6545326804434944 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/osq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/osq.c b/libavcodec/osq.c index 42a46b25ce5..4e921896c0d 100644 --- a/libavcodec/osq.c +++ b/libavcodec/osq.c @@ -356,7 +356,7 @@ static int osq_decode_block(AVCodecContext *avctx, AVFrame *frame) const int nb_channels = avctx->ch_layout.nb_channels; const int nb_samples = frame->nb_samples; OSQContext *s = avctx->priv_data; - const int factor = s->factor; + const unsigned factor = s->factor; int ret, decorrelate, downsample; GetBitContext *gb = &s->gb; -- 2.45.2 _______________________________________________ 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".