Commit edadf711a9 for ffmpeg

commit edadf711a9d0210c38f9fc9f438624e3c374b3ed
Author: Michael Niedermayer <michael@niedermayer.cc>
Date:   Tue Oct 6 16:22:51 2026 +0200

    avformat/flacdec: do not feed the parser after the EOF flush in flac_read_timestamp()

    Once a read failed, only flush the parser until it returns no more data.

    Found during triage of the security report QjW951nk93s9

    Fixes: QjW951nk93s9

diff --git a/libavformat/flacdec.c b/libavformat/flacdec.c
index e80b49307d..8d907bdc30 100644
--- a/libavformat/flacdec.c
+++ b/libavformat/flacdec.c
@@ -284,7 +284,7 @@ av_unused static int64_t flac_read_timestamp(AVFormatContext *s, int stream_inde
     AVPacket *const pkt = si->parse_pkt;
     AVStream *st = s->streams[stream_index];
     AVCodecParserContext *parser;
-    int ret;
+    int ret = 0;
     int64_t pts = AV_NOPTS_VALUE;

     if (avio_seek(s->pb, *ppos, SEEK_SET) < 0)
@@ -309,7 +309,8 @@ av_unused static int64_t flac_read_timestamp(AVFormatContext *s, int stream_inde
         uint8_t *data;
         int size;

-        ret = ff_raw_read_partial_packet(s, pkt);
+        if (ret >= 0 || ret == AVERROR(EAGAIN))
+            ret = ff_raw_read_partial_packet(s, pkt);
         if (ret < 0){
             if (ret == AVERROR(EAGAIN))
                 continue;