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 9A62F4ACEA for ; Thu, 18 Jul 2024 22:16:17 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 6C90B68D8B3; Fri, 19 Jul 2024 01:16:14 +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 132CC68D9BE for ; Fri, 19 Jul 2024 01:16:08 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 2319C40002 for ; Thu, 18 Jul 2024 22:16:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1721340967; 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; bh=GrymO10VWP6hMDsyXuJBqBKJM8IKfP9QDLeBeYHuTeE=; b=RNyj3klZChKSWtfpur9AE1rTEtvVOnlguk/rr+5FCuGOiqhzFDfSPbk0wtE+6fieGB0EKp 71HHNxLrqLtyadZfkTibs5OSqmVUE8V5dq0eY7qhSGOr3bV5YSeSDekM8VNjRRamCk0fhk eNPisT2grxv8wn8EE47HmEn/t6n66nO4eTDSrIqOZu9wehuMIV8ItqLynZnuRfyVg4Gczk n5iUPm72OQAIUK3oe+nWuNbqWjdcK6UF7dNgDlnPnZCPwGQdFj2yMfITdCaHxXpRXdgiac VcecTzTlBA8uV/b+Hj4p79Ft6zpseYerClTzVs+pfFyC7D4enlgom0jM2r0JXw== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Fri, 19 Jul 2024 00:16:05 +0200 Message-ID: <20240718221606.3710874-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 1/2] avformat/mov: Check extradata in mov_read_iacb() 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: MemLeak Fixes: 69853/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4660448545275904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index ce95842ce58..82fce7ef5c1 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -897,6 +897,8 @@ static int mov_read_iacb(MOVContext *c, AVIOContext *pb, MOVAtom atom) st = c->fc->streams[c->fc->nb_streams - 1]; sc = st->priv_data; + if (st->codecpar->extradata) + return AVERROR_INVALIDDATA; sc->iamf = av_mallocz(sizeof(*sc->iamf)); if (!sc->iamf) -- 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".