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From: =?utf-8?q?Guido_G=C3=BCnther?= <agx@sigxcpu.org>
Date: Wed, 15 Nov 2017 18:36:58 +0100
Subject: [PATCH] Handle vorbis_analysis_headerout errors
This is related to
https://github.com/xiph/vorbis/pull/34
but could also happen today with on other errors in the called function.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=882236
Forwarded: sox-devel@lists.sourceforge.net
---
src/vorbis.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/vorbis.c b/src/vorbis.c
index 267fb80..1afaa01 100644
--- a/src/vorbis.c
+++ b/src/vorbis.c
@@ -270,8 +270,11 @@ static int write_vorbis_header(sox_format_t * ft, vorbis_enc_t * ve)
vc.comment_lengths[i] = strlen(text);
}
}
- vorbis_analysis_headerout( /* Build the packets */
- &ve->vd, &vc, &header_main, &header_comments, &header_codebooks);
+ if (vorbis_analysis_headerout( /* Build the packets */
+ &ve->vd, &vc, &header_main, &header_comments, &header_codebooks) < 0) {
+ ret = HEADER_ERROR;
+ goto cleanup;
+ }
ogg_stream_packetin(&ve->os, &header_main); /* And stream them out */
ogg_stream_packetin(&ve->os, &header_comments);
@@ -280,6 +283,7 @@ static int write_vorbis_header(sox_format_t * ft, vorbis_enc_t * ve)
while (ogg_stream_flush(&ve->os, &ve->og) && ret == HEADER_OK)
if (!oe_write_page(&ve->og, ft))
ret = HEADER_ERROR;
+cleanup:
for (i = 0; i < vc.comments; ++i)
free(vc.user_comments[i]);
free(vc.user_comments);
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