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 B8332407EE for ; Sat, 29 Oct 2022 19:14:06 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 71FFE68BC89; Sat, 29 Oct 2022 22:14:04 +0300 (EEST) Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 8BE5E68BBE6 for ; Sat, 29 Oct 2022 22:13:58 +0300 (EEST) Received: (Authenticated sender: michael@niedermayer.cc) by mail.gandi.net (Postfix) with ESMTPSA id 8BD4B240002 for ; Sat, 29 Oct 2022 19:13:54 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 29 Oct 2022 21:13:50 +0200 Message-Id: <20221029191353.2973-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH 1/4] avformat/replaygain: avoid undefined / negative abs 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: signed integer overflow: -2147483648 * 100000 cannot be represented in type 'int' Fixes: 52060/clusterfuzz-testcase-minimized-ffmpeg_dem_MP3_fuzzer-5131616708329472 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavformat/replaygain.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/replaygain.c b/libavformat/replaygain.c index 24f5c74183..915bcb2382 100644 --- a/libavformat/replaygain.c +++ b/libavformat/replaygain.c @@ -60,7 +60,7 @@ static int32_t parse_value(const char *value, int32_t min) } } - if (abs(db) > (INT32_MAX - mb) / 100000) + if (llabs(db) > (INT32_MAX - mb) / 100000) return min; return db * 100000 + sign * mb; -- 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".