PR #23121 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23121 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23121.patch
Fixes: ada-3-poc.mpd Found-by: Claude and Ada Logics. This issue was found by Anthropic from using agents to study security of open source projects, and I am from Ada Logics helping validate the found issues and report to maintainers. Signed-off-by: Michael Niedermayer <[email protected]> >From c432b0b60d9f1b3054a05a30095f1f0fbdc9769e Mon Sep 17 00:00:00 2001 From: David Korczynski <[email protected]> Date: Sat, 16 May 2026 20:35:11 +0200 Subject: [PATCH] avformat/dashdec: Skip the per-Representation metadata-attachment block when the inner format context produced zero streams. Fixes: ada-3-poc.mpd Found-by: Claude and Ada Logics. This issue was found by Anthropic from using agents to study security of open source projects, and I am from Ada Logics helping validate the found issues and report to maintainers. Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/dashdec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c index cf6c542d5f..b4ead34b31 100644 --- a/libavformat/dashdec.c +++ b/libavformat/dashdec.c @@ -2205,6 +2205,8 @@ static int dash_read_header(AVFormatContext *s) for (i = 0; i < c->n_videos; i++) { rep = c->videos[i]; + if (rep->ctx->nb_streams == 0) + continue; rep->assoc_stream = av_malloc_array(rep->ctx->nb_streams, sizeof(*rep->assoc_stream)); if (!rep->assoc_stream) return AVERROR(ENOMEM); @@ -2219,6 +2221,8 @@ static int dash_read_header(AVFormatContext *s) } for (i = 0; i < c->n_audios; i++) { rep = c->audios[i]; + if (rep->ctx->nb_streams == 0) + continue; rep->assoc_stream = av_malloc_array(rep->ctx->nb_streams, sizeof(*rep->assoc_stream)); if (!rep->assoc_stream) return AVERROR(ENOMEM); @@ -2234,6 +2238,8 @@ static int dash_read_header(AVFormatContext *s) } for (i = 0; i < c->n_subtitles; i++) { rep = c->subtitles[i]; + if (rep->ctx->nb_streams == 0) + continue; rep->assoc_stream = av_malloc_array(rep->ctx->nb_streams, sizeof(*rep->assoc_stream)); if (!rep->assoc_stream) return AVERROR(ENOMEM); -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
