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 9AA3744D6B for ; Sun, 22 Oct 2023 00:35:58 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9AFDA68CAB5; Sun, 22 Oct 2023 03:35:33 +0300 (EEST) Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id F30EA68C968 for ; Sun, 22 Oct 2023 03:35:24 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 2871FE0003 for ; Sun, 22 Oct 2023 00:35:23 +0000 (UTC) From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 22 Oct 2023 02:35:18 +0200 Message-Id: <20231022003520.17154-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231022003520.17154-1-michael@niedermayer.cc> References: <20231022003520.17154-1-michael@niedermayer.cc> X-GND-Sasl: michael@niedermayer.cc Subject: [FFmpeg-devel] [PATCH 4/6] avcodec/dovi_rpu: Use 64 bit in get_us/se_coeff() 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: shift exponent 32 is too large for 32-bit type 'int' Fixes: 63151/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5067531154751488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/dovi_rpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/dovi_rpu.c b/libavcodec/dovi_rpu.c index f6485256c45..a6b23f4dd11 100644 --- a/libavcodec/dovi_rpu.c +++ b/libavcodec/dovi_rpu.c @@ -149,7 +149,7 @@ static inline uint64_t get_ue_coef(GetBitContext *gb, const AVDOVIRpuDataHeader case RPU_COEFF_FLOAT: fpart.u32 = get_bits_long(gb, 32); - return fpart.f32 * (1 << hdr->coef_log2_denom); + return fpart.f32 * (1LL << hdr->coef_log2_denom); } return 0; /* unreachable */ @@ -168,7 +168,7 @@ static inline int64_t get_se_coef(GetBitContext *gb, const AVDOVIRpuDataHeader * case RPU_COEFF_FLOAT: fpart.u32 = get_bits_long(gb, 32); - return fpart.f32 * (1 << hdr->coef_log2_denom); + return fpart.f32 * (1LL << hdr->coef_log2_denom); } return 0; /* unreachable */ -- 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".