From eda94068959f4990c161b36541f11005b6422978 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 8 Oct 2019 22:52:56 +0200 Subject: [PATCH] avcodec/aacdec_template: Check samplerate Fixes: signed integer overflow: 2 * 1881153568 cannot be represented in type 'int' Fixes: 17996/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5687126468853760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 7730bacb413fcb59f30acef0b2c6d50c5e6382d6) Signed-off-by: Michael Niedermayer --- libavcodec/aacdec_template.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index 5fc4adcd51..a3bec6b04f 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -1156,6 +1156,9 @@ static av_cold int aac_decode_init(AVCodecContext *avctx) AACContext *ac = avctx->priv_data; int ret; + if (avctx->sample_rate > 96000) + return AVERROR_INVALIDDATA; + ret = ff_thread_once(&aac_table_init, &aac_static_table_init); if (ret != 0) return AVERROR_UNKNOWN;