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 EE67243F4B for ; Sun, 18 Sep 2022 21:58:12 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 77CDE68BBEB; Mon, 19 Sep 2022 00:58:11 +0300 (EEST) Received: from vie01a-dmta-at03-2.mx.upcmail.net (vie01a-dmta-at03-2.mx.upcmail.net [62.179.121.152]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7B9CE68B747 for ; Mon, 19 Sep 2022 00:58:05 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-at03.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1oa2If-00F0Id-27 for ffmpeg-devel@ffmpeg.org; Sun, 18 Sep 2022 23:58:05 +0200 Received: from ren-mail-psmtp-mg02. ([80.109.253.241]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id a2IforEOd8s8Ua2IfoHb9H; Sun, 18 Sep 2022 23:58:05 +0200 Received: from localhost ([213.47.68.29]) by ren-mail-psmtp-mg02. with ESMTP id a2Hho5pLXbZLDa2HhoJaQT; Sun, 18 Sep 2022 23:57:05 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.4 cv=Ufwy9IeN c=1 sm=1 tr=0 ts=63279431 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=NEAV23lmAAAA:8 a=B5ecJTVlEDOtsynCxIIA:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 18 Sep 2022 23:57:04 +0200 Message-Id: <20220918215704.13793-2-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220918215704.13793-1-michael@niedermayer.cc> References: <20220918215704.13793-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfP1ySR9ebVqyPduhmBtfMOvEVV+VtLSJ9Q84eIzXq/Tz/90yZ8GojVhlQDv2p1X2rsiJojT6yMG3LuyEOQW5POpAVf/G7/58KVWBwb0KEuFugIUCF66J RNDuROnTiwbDtw3eIKHVHWYj9g2bemjnVTxvCuwTEAHmDoJtatrvr/34trRxVGD3J2RHAiBHghGpKQ== Subject: [FFmpeg-devel] [PATCH 2/2] avutil/aes: Silence fuzzer about accessing round_key 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 MIME-Version: 1.0 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: index 32 out of bounds for type 'uint8_t [16]' Fixes: 51253/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5968304170205184 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavutil/aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavutil/aes.c b/libavutil/aes.c index 029d738f870..8f3e04e7c6d 100644 --- a/libavutil/aes.c +++ b/libavutil/aes.c @@ -251,7 +251,7 @@ int av_aes_init(AVAES *a, const uint8_t *key, int key_bits, int decrypt) tk[j][i] ^= sbox[tk[j - 1][i]]; } - memcpy(a->round_key[0].u8 + t, tk, KC * 4); + memcpy((uint8_t*)a->round_key[0].u8 + t, tk, KC * 4); } if (decrypt) { -- 2.17.1 _______________________________________________ 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".