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 D4F1A4B8D6 for ; Sat, 20 Jul 2024 00:53:20 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DA35768DA33; Sat, 20 Jul 2024 03:52:54 +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 2479868D8EC for ; Sat, 20 Jul 2024 03:52:46 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 67548FF803 for ; Sat, 20 Jul 2024 00:52:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1721436765; 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=NZ6NGSHzbpCdLnEymXFWlHoa4xR0kUCuHAmQSADHyfU=; b=OuofK0WVYRGSSUk/Ms0HuXv6Op2/nS4zj2UKSqk137+nUZtxE8Yf4nxUtyLw1eGxpUdtqE D82hZLyMUPII5dSEtyZGpQoKEBQNBmT/obpVwNz1xU3NpF5zCXZiNonOglD6NGHQo5l9ID FPTD4lo9F4y1aqgmp6J0OV/xgcmpX6Jp5+spKTdSH/BiS0qrfypGIZ/BYFNCA6QYDlsIFd hm5RHAJN7WFcCNueHy7iTDGBxPQf6bs/J2uSE8gwsDm+yVYhq3A1x2f/5uJyHSO1zC3DGf ZXnBMzkJU84ktcLpIbMUYwghRpWvaMlA3/RBp+uzdJ5z/tJRV60x66vkLDPmgA== From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 20 Jul 2024 02:52:34 +0200 Message-ID: <20240720005241.726089-4-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 04/11] avcodec/aac/aacdec_usac: Dont leave invalid max_sfb in the context 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: out of array read Fixes: 70363/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-6723855293415424.fuzz Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/aac/aacdec_usac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/aac/aacdec_usac.c b/libavcodec/aac/aacdec_usac.c index 32b3c534bf1..1b79d19a30f 100644 --- a/libavcodec/aac/aacdec_usac.c +++ b/libavcodec/aac/aacdec_usac.c @@ -834,6 +834,7 @@ static int setup_sce(AACDecContext *ac, SingleChannelElement *sce, "Number of scalefactor bands in group (%d) " "exceeds limit (%d).\n", ics->max_sfb, ics->num_swb); + ics->max_sfb = 0; return AVERROR(EINVAL); } -- 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".