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Wed, 11 Feb 2026 01:41:37 +0200 (EET) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Tue, 10 Feb 2026 23:40:49 -0000 Message-ID: <177076738197.25.5968191385090028391@009cbcb3d8cd> Message-ID-Hash: 4T3F66ATKZECWNNCVGHUK6FVJADCDLOA X-Message-ID-Hash: 4T3F66ATKZECWNNCVGHUK6FVJADCDLOA 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] [PR] avcodec/tmv: Move space check before buffer allocation (PR #21716) 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 #21716 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21716 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21716.patch Fixes: Timeout Fixes: 471664630/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TMV_fuzzer-5291752530706432 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer >>From db077da15d7e88dfc4a9903be54d8916c11b02ee Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 10 Feb 2026 13:41:29 +0100 Subject: [PATCH] avcodec/tmv: Move space check before buffer allocation Fixes: Timeout Fixes: 471664630/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TMV_fuzzer-5291752530706432 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/tmv.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/tmv.c b/libavcodec/tmv.c index 0eedc258c3..6aa76fbcc3 100644 --- a/libavcodec/tmv.c +++ b/libavcodec/tmv.c @@ -47,9 +47,6 @@ static int tmv_decode_frame(AVCodecContext *avctx, AVFrame *frame, unsigned x, y, fg, bg, c; int ret; - if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) - return ret; - if (avpkt->size < 2*char_rows*char_cols) { av_log(avctx, AV_LOG_ERROR, "Input buffer too small, truncated sample?\n"); @@ -57,6 +54,9 @@ static int tmv_decode_frame(AVCodecContext *avctx, AVFrame *frame, return AVERROR_INVALIDDATA; } + if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) + return ret; + dst = frame->data[0]; memcpy(frame->data[1], ff_cga_palette, 16 * 4); -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org