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 8DB0746D15 for ; Sun, 4 Aug 2024 14:23:36 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CC68468D958; Sun, 4 Aug 2024 17:23:24 +0300 (EEST) Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id F07E968D7B0 for ; Sun, 4 Aug 2024 17:23:18 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 3823040002 for ; Sun, 4 Aug 2024 14:23:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1722781398; 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=/deivtkokgLXt6ow1SxRo+EEPYU8pVy6mUFtIYCdTbc=; b=Dssd5WmgO/Uvb5HP3e2nRjKqidNXZdhxtFKN+/1FAQiUB829CmnsXNM3sZgYhSATfOqcbm 2tHxQlhUhX1ldU/B4UqSE++ReZQ1BG08gWAscGNeQA1QllJVNP8Cdr893LttOpNRwV+aH1 lGxPoBYYa0diRcimzmiH9mzZZ86gABdvBkoCuL0m6r44WTKyIcw4AtcFJ54YqfbMiz2gaX PriI40zBPaZ2cDZU9sD7iOqDd5i/X7Ai5TYO9j7goyzRG2jgu2fJzk+EYk09IkeM9+nFvb zyjlNv4WJr3E+4qSFKZvs/S0d6GFKseJp2WmEH0Bz8ugTwz9/4FiYe7lEpfn6Q== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 4 Aug 2024 16:23:13 +0200 Message-ID: <20240804142315.1430389-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240804142315.1430389-1-michael@niedermayer.cc> References: <20240804142315.1430389-1-michael@niedermayer.cc> MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 2/4] avformat/jpegxl_anim_dec: initialize bit buffer 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: use-of-uninitialized-value Fixes: 70837/clusterfuzz-testcase-minimized-ffmpeg_dem_JPEGXL_ANIM_fuzzer-5089407768526848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/jpegxl_anim_dec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/jpegxl_anim_dec.c b/libavformat/jpegxl_anim_dec.c index ac95d3b9617..3045167e1f9 100644 --- a/libavformat/jpegxl_anim_dec.c +++ b/libavformat/jpegxl_anim_dec.c @@ -77,7 +77,7 @@ static int jpegxl_anim_read_header(AVFormatContext *s) JXLAnimDemuxContext *ctx = s->priv_data; AVIOContext *pb = s->pb; AVStream *st; - uint8_t head[256 + AV_INPUT_BUFFER_PADDING_SIZE]; + uint8_t head[256 + AV_INPUT_BUFFER_PADDING_SIZE] = {0}; const int sizeofhead = sizeof(head) - AV_INPUT_BUFFER_PADDING_SIZE; int headsize = 0, ret; FFJXLMetadata meta = { 0 }; -- 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".