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 6728F4B3A1 for ; Fri, 5 Jul 2024 00:23:29 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6393A68DB0F; Fri, 5 Jul 2024 03:22:26 +0300 (EEST) Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 25AA068DAD6 for ; Fri, 5 Jul 2024 03:22:03 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 6B52A1C0003 for ; Fri, 5 Jul 2024 00:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1720138922; 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=NUSUn3xL6Q7FO+1EuyXIqkd5UO3/pBbtPrnazgB73Pg=; b=lAMPI1TdAe/UNgsIvYGuFcP45IeBorg06zRmMeEqt5iDyFfV2yBY/5yc4ZNZYyrPWZpWvi 4Igv47tQM1lsTzmfsKUZgpDRsZXYzSpsdodjJG/rWcLt29nl3gxw47nfPjN1ReIEt/ek90 FisOhxqmeSwakP6pBqiM0OEVlq+SFVJOVodPEcYbU1BvXka2p3ZxfWLmOMNt2B6OEZAIuc Kcy2xg+8yDvMdCpqz2dE2LxTetz7Xvk9dLf2moyArThP+5HH+FswkkZ9to6jfVMu6AjGKJ axuaOBcozEET8xuXkvDiZ7y62DgGVF/4vBo3FzLaJTygS4//Dks1YaSeiVNNmA== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 5 Jul 2024 02:21:48 +0200 Message-ID: <20240705002156.1964272-7-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240705002156.1964272-1-michael@niedermayer.cc> References: <20240705002156.1964272-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 07/15] avcodec/iff: Use signed count 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: This is more a style fix than a bugfix (CID1604392 Overflowed constant) Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer --- libavcodec/iff.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/iff.c b/libavcodec/iff.c index 4b3e8e0c21e..13010b451ef 100644 --- a/libavcodec/iff.c +++ b/libavcodec/iff.c @@ -523,7 +523,7 @@ static int decode_byterun2(uint8_t *dst, int height, int line_size, GetByteContext *gb) { GetByteContext cmds; - unsigned count; + int count; int i, y_pos = 0, x_pos = 0; if (bytestream2_get_be32(gb) != MKBETAG('V', 'D', 'A', 'T')) @@ -531,7 +531,7 @@ static int decode_byterun2(uint8_t *dst, int height, int line_size, bytestream2_skip(gb, 4); count = bytestream2_get_be16(gb) - 2; - if (bytestream2_get_bytes_left(gb) < count) + if (count < 0 || bytestream2_get_bytes_left(gb) < count) return 0; bytestream2_init(&cmds, gb->buffer, count); -- 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".