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[34.83.118.50]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23de42b3c3fsm57700265ad.88.2025.07.11.11.00.18 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 11 Jul 2025 11:00:18 -0700 (PDT) From: Andreas Rheinhardt X-Google-Original-From: Andreas Rheinhardt Message-Id: <233b56270ed18056d74e71f020ff2e45b8b7d23d.1752256807.git.ffmpegagent@gmail.com> In-Reply-To: References: X-Original-From: Andreas Rheinhardt Date: Fri, 11 Jul 2025 18:00:02 +0000 Fcc: Sent MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH 1/5] avcodec/av1dec, libdav1d, wbmpdec: Avoid direct access to GetByteContext 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 Cc: Andreas Rheinhardt 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: From: Andreas Rheinhardt Signed-off-by: Andreas Rheinhardt --- libavcodec/av1dec.c | 2 +- libavcodec/libdav1d.c | 2 +- libavcodec/wbmpdec.c | 3 ++- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c index 8ff1bf394c..dcbe4ef2ce 100644 --- a/libavcodec/av1dec.c +++ b/libavcodec/av1dec.c @@ -1024,7 +1024,7 @@ FF_ENABLE_DEPRECATION_WARNINGS provider_oriented_code != 0x800) break; - ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, gb.buffer_end - gb.buffer, + ret = ff_dovi_rpu_parse(&s->dovi, gb.buffer, bytestream2_get_bytes_left(&gb), avctx->err_recognition); if (ret < 0) { av_log(avctx, AV_LOG_WARNING, "Error parsing DOVI OBU.\n"); diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c index f4cbc927b5..f24d00ca38 100644 --- a/libavcodec/libdav1d.c +++ b/libavcodec/libdav1d.c @@ -576,7 +576,7 @@ FF_ENABLE_DEPRECATION_WARNINGS provider_oriented_code != 0x800) break; - res = ff_dovi_rpu_parse(&dav1d->dovi, gb.buffer, gb.buffer_end - gb.buffer, + res = ff_dovi_rpu_parse(&dav1d->dovi, gb.buffer, bytestream2_get_bytes_left(&gb), c->err_recognition); if (res < 0) { av_log(c, AV_LOG_WARNING, "Error parsing DOVI OBU.\n"); diff --git a/libavcodec/wbmpdec.c b/libavcodec/wbmpdec.c index 50c729047d..5a61510a88 100644 --- a/libavcodec/wbmpdec.c +++ b/libavcodec/wbmpdec.c @@ -72,7 +72,8 @@ static int wbmp_decode_frame(AVCodecContext *avctx, AVFrame *p, if (p->linesize[0] == (width + 7) / 8) bytestream2_get_buffer(&gb, p->data[0], height * ((width + 7) / 8)); else - readbits(p->data[0], width, height, p->linesize[0], gb.buffer, gb.buffer_end - gb.buffer); + readbits(p->data[0], width, height, p->linesize[0], + gb.buffer, bytestream2_get_bytes_left(&gb)); *got_frame = 1; -- ffmpeg-codebot _______________________________________________ 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".