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From: Anton Khirnov <anton@khirnov.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH] lavc/binkaudio: reset input packet on errors
Date: Sat, 17 Jun 2023 04:54:42 +0200
Message-ID: <20230617025442.1621-1-anton@khirnov.net> (raw)

Make sure we don't repeatedly try to decode the same packet, making no
progress and possibly causing an infinite loop.
---
 libavcodec/binkaudio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c
index f28ecba760..265f93a822 100644
--- a/libavcodec/binkaudio.c
+++ b/libavcodec/binkaudio.c
@@ -325,7 +325,7 @@ again:
     if (s->ch_offset == 0) {
         frame->nb_samples = s->frame_len;
         if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
-            return ret;
+            goto fail;
         if (!new_pkt)
             frame->pts = AV_NOPTS_VALUE;
     }
@@ -334,8 +334,8 @@ again:
                      avctx->codec->id == AV_CODEC_ID_BINKAUDIO_DCT,
                      FFMIN(MAX_CHANNELS, s->channels - s->ch_offset), s->ch_offset)) {
         av_log(avctx, AV_LOG_ERROR, "Incomplete packet\n");
-        s->ch_offset = 0;
-        return AVERROR_INVALIDDATA;
+        ret = AVERROR_INVALIDDATA;
+        goto fail;
     }
     s->ch_offset += MAX_CHANNELS;
     get_bits_align32(gb);
-- 
2.40.1

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             reply	other threads:[~2023-06-17  2:54 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-17  2:54 Anton Khirnov [this message]
2023-06-17  6:35 ` Paul B Mahol
2023-06-17  7:16   ` Anton Khirnov
2023-06-17  7:39     ` Paul B Mahol
2023-06-17  7:46       ` Anton Khirnov
2023-06-17  7:49         ` Paul B Mahol

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