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- From 427d61131a1af5eed48d5428e723ab4602b56cc1 Mon Sep 17 00:00:00 2001
- From: Mark Harris <mark.hsj@gmail.com>
- Date: Tue, 29 Dec 2020 01:43:37 -0800
- Subject: [PATCH] Fix use of uninitialized serialno
-
- Also do not crash if OPE_GET_SERIALNO_REQUEST is used after draining.
- ---
- src/opusenc.c | 14 +++++++++++---
- 1 file changed, 11 insertions(+), 3 deletions(-)
-
- --- a/src/opusenc.c
- +++ b/src/opusenc.c
- @@ -356,6 +356,11 @@ fail:
- return NULL;
- }
-
- +static void stream_generate_serialno(EncStream *stream) {
- + stream->serialno = rand();
- + stream->serialno_is_set = 1;
- +}
- +
- static void stream_destroy(EncStream *stream) {
- if (stream->comment) free(stream->comment);
- free(stream);
- @@ -512,9 +517,7 @@ int ope_encoder_deferred_init_with_mappi
-
- static void init_stream(OggOpusEnc *enc) {
- assert(!enc->streams->stream_is_init);
- - if (!enc->streams->serialno_is_set) {
- - enc->streams->serialno = rand();
- - }
- + if (!enc->streams->serialno_is_set) stream_generate_serialno(enc->streams);
-
- if (enc->oggp != NULL) oggp_chain(enc->oggp, enc->streams->serialno);
- else {
- @@ -1071,6 +1074,11 @@ int ope_encoder_ctl(OggOpusEnc *enc, int
- case OPE_GET_SERIALNO_REQUEST:
- {
- opus_int32 *value = va_arg(ap, opus_int32*);
- + if (!enc->last_stream) {
- + ret = OPE_TOO_LATE;
- + break;
- + }
- + if (!enc->last_stream->serialno_is_set) stream_generate_serialno(enc->last_stream);
- *value = enc->last_stream->serialno;
- }
- break;
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