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Mon, 10 Nov 2025 01:38:10 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Sun, 09 Nov 2025 23:38:10 -0000 Message-ID: <176273149076.25.12651154162456861458@2cb04c0e5124> Message-ID-Hash: ZTSZH6VUQRMMOZFU6LRNOH22SBFP36JK X-Message-ID-Hash: ZTSZH6VUQRMMOZFU6LRNOH22SBFP36JK X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH] avcodec/rv60dec: Clear blk_info (PR #20878) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: michaelni via ffmpeg-devel Cc: michaelni Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #20878 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20878 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20878.patch Fixes: use of uninitialized memory Fixes: 418335931/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-5103986067963904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer >>From fcc23a774c8d1a3d77f9ea60a04572587d7f6146 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 9 Nov 2025 16:03:32 +0100 Subject: [PATCH] avcodec/rv60dec: Clear blk_info Fixes: use of uninitialized memory Fixes: 418335931/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-5103986067963904 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/rv60dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/rv60dec.c b/libavcodec/rv60dec.c index b7b4f46512..76caa6a361 100644 --- a/libavcodec/rv60dec.c +++ b/libavcodec/rv60dec.c @@ -311,6 +311,7 @@ static int update_dimensions_clear_info(RV60Context *s, int width, int height) return ret; memset(s->pu_info, 0, s->pu_stride * (s->cu_height << 3) * sizeof(s->pu_info[0])); + memset(s->blk_info, 0, s->blk_stride * (s->cu_height << 4) * sizeof(s->blk_info[0])); for (int j = 0; j < s->cu_height << 4; j++) for (int i = 0; i < s->cu_width << 4; i++) -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org