ffmpeg | branch: master | Zhao Zhili <zhiliz...@tencent.com> | Wed May 8 00:08:18 2024 +0800| [553c572204392f7a74bbfebcf3d33f1161976c8b] | committer: Guo Yejun
avfilter/vf_dnn_detect: Fix null pointer dereference Signed-off-by: Zhao Zhili <zhiliz...@tencent.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=553c572204392f7a74bbfebcf3d33f1161976c8b --- libavfilter/vf_dnn_detect.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/libavfilter/vf_dnn_detect.c b/libavfilter/vf_dnn_detect.c index 926966368a..1830bae181 100644 --- a/libavfilter/vf_dnn_detect.c +++ b/libavfilter/vf_dnn_detect.c @@ -807,11 +807,13 @@ static av_cold void dnn_detect_uninit(AVFilterContext *context) DnnDetectContext *ctx = context->priv; AVDetectionBBox *bbox; ff_dnn_uninit(&ctx->dnnctx); - while(av_fifo_can_read(ctx->bboxes_fifo)) { - av_fifo_read(ctx->bboxes_fifo, &bbox, 1); - av_freep(&bbox); + if (ctx->bboxes_fifo) { + while (av_fifo_can_read(ctx->bboxes_fifo)) { + av_fifo_read(ctx->bboxes_fifo, &bbox, 1); + av_freep(&bbox); + } + av_fifo_freep2(&ctx->bboxes_fifo); } - av_fifo_freep2(&ctx->bboxes_fifo); av_freep(&ctx->anchors); free_detect_labels(ctx); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
