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Code Issues Projects Releases Wiki Activity

[Core] Coverity fixes 

* [core] coverity CID 1395504 (Logically dead code)

* [core] coverity CID 1395581 (Dereference before null check)

* [core] coverity CID 1346451 (Improper use of negative value)

* [core] coverity CID 1395497 (Dereference before null check)

* [core] coverity CID 1468458 (Dereference before null check)
This commit is contained in:
Dragos Oancea 2023-03-29 19:08:18 +03:00 committed by GitHub
parent 8e5dc5a087
commit 48b8b0c4d7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 15 deletions
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16
src/switch_core_media.c
View File

@ -3057,7 +3057,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
uint32_t codec_ms = (int) (engine->read_frame.timestamp -
engine->last_ts) / (engine->read_impl.samples_per_second / 1000);
if (engine->last_seq && (int) (engine->read_frame.seq - engine->last_seq) > 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "[%s]: Correcting calculated ptime value from [%d] to [%d] to compensate for [%d] lost packet(s). \n", is_vbr?"VBR":"CBR", codec_ms, codec_ms / (int) (engine->read_frame.seq - engine->last_seq), (int) (engine->read_frame.seq - engine->last_seq - 1));
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "[CBR]: Correcting calculated ptime value from [%d] to [%d] to compensate for [%d] lost packet(s). \n", codec_ms, codec_ms / (int) (engine->read_frame.seq - engine->last_seq), (int) (engine->read_frame.seq - engine->last_seq - 1));
codec_ms = codec_ms / (int) (engine->read_frame.seq - engine->last_seq);
}
@ -3080,9 +3080,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
if (codec_ms > 120) { /* yeah right */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"[%s]: Your phone is trying to send timestamps that suggest an increment of %dms per packet\n"
"[CBR]: Your phone is trying to send timestamps that suggest an increment of %dms per packet\n"
"That seems hard to believe so I am going to go on ahead and um ignore that, mmkay?\n",
is_vbr?"VBR":"CBR",
(int) codec_ms);
engine->check_frames = MAX_CODEC_CHECK_FRAMES;
goto skip;
@ -3092,8 +3091,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
if (codec_ms != engine->cur_payload_map->codec_ms) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"[%s]: Asynchronous PTIME not supported, changing our end from %d to %d\n",
is_vbr?"VBR":"CBR",
"[CBR]: Asynchronous PTIME not supported, changing our end from %d to %d\n",
(int) engine->cur_payload_map->codec_ms,
(int) codec_ms
);
@ -3123,7 +3121,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
engine->last_ts) / (engine->read_impl.samples_per_second / 1000);
if (engine->last_seq && (int) (engine->read_frame.seq - engine->last_seq) > 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "[%s]: Correcting calculated ptime value from [%d] to [%d] to compensate for [%d] lost packet(s)\n", is_vbr?"VBR":"CBR", codec_ms, codec_ms / (int) (engine->read_frame.seq - engine->last_seq), (int) (engine->read_frame.seq - engine->last_seq - 1));
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "[VBR]: Correcting calculated ptime value from [%d] to [%d] to compensate for [%d] lost packet(s)\n", codec_ms, codec_ms / (int) (engine->read_frame.seq - engine->last_seq), (int) (engine->read_frame.seq - engine->last_seq - 1));
codec_ms = codec_ms / (int) (engine->read_frame.seq - engine->last_seq);
}
@ -3142,8 +3140,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
if (codec_ms > 120) {
/*will show too many times with packet loss*/
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG3,
"[%s]: Remote party is trying to send timestamps that suggest an increment of [%d] ms per packet, which is too high. Ignoring.\n",
is_vbr?"VBR":"CBR",
"[VBR]: Remote party is trying to send timestamps that suggest an increment of [%d] ms per packet, which is too high. Ignoring.\n",
(int) codec_ms);
engine->last_ts = engine->read_frame.timestamp;
engine->last_seq = engine->read_frame.seq;
@ -3152,8 +3149,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session
if (codec_ms != engine->cur_payload_map->codec_ms) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING,
"[%s]: Packet size change detected. Remote PTIME changed from [%d] to [%d]\n",
is_vbr?"VBR":"CBR",
"[VBR]: Packet size change detected. Remote PTIME changed from [%d] to [%d]\n",
(int) engine->cur_payload_map->codec_ms,
(int) codec_ms
);

3
src/switch_ivr_originate.c
View File

@ -909,6 +909,9 @@ static int teletone_handler(teletone_generation_session_t *ts, teletone_tone_map
return -1;
}
wrote = teletone_mux_tones(ts, map);
if (wrote <= 0) {
return -1;
}
if (tto->channels != 1) {
if (tto->mux_buflen < wrote * 2 * tto->channels) {

15
src/switch_rtp.c
View File

@ -3529,9 +3529,13 @@ SWITCH_DECLARE(dtls_state_t) switch_rtp_dtls_state(switch_rtp_t *rtp_session, dt
{
dtls_state_t s = DS_OFF;
if (!rtp_session) {
return s;
}
switch_mutex_lock(rtp_session->ice_mutex);
if (!rtp_session || (!rtp_session->dtls && !rtp_session->rtcp_dtls)) {
if (!rtp_session->dtls && !rtp_session->rtcp_dtls) {
s = DS_OFF;
goto done;
}
@ -3556,9 +3560,13 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_del_dtls(switch_rtp_t *rtp_session, d
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (!rtp_session) {
return SWITCH_STATUS_FALSE;
}
switch_mutex_lock(rtp_session->ice_mutex);
if (!rtp_session || (!rtp_session->dtls && !rtp_session->rtcp_dtls)) {
if (!rtp_session->dtls && !rtp_session->rtcp_dtls) {
switch_goto_status(SWITCH_STATUS_FALSE, done);
}
@ -6967,13 +6975,10 @@ static void check_timeout(switch_rtp_t *rtp_session)
elapsed, rtp_session->media_timeout);
if (elapsed > rtp_session->media_timeout) {
if (rtp_session->session) {
switch_channel_t *channel = switch_core_session_get_channel(rtp_session->session);
switch_channel_execute_on(channel, "execute_on_media_timeout");
switch_channel_hangup(channel, SWITCH_CAUSE_MEDIA_TIMEOUT);
}
}
}