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Set d_call to null to prevent potential use after free #739

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merged 1 commit into from
Dec 4, 2022
Merged

Set d_call to null to prevent potential use after free #739

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5 changes: 4 additions & 1 deletion trunk-recorder/recorders/p25_recorder_decode.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ p25_recorder_decode::~p25_recorder_decode() {

void p25_recorder_decode::stop() {
wav_sink->stop_recording();
d_call = NULL;
}

void p25_recorder_decode::start(Call *call) {
Expand Down Expand Up @@ -112,7 +113,9 @@ void p25_recorder_decode::initialize(int silence_frames) {
}

void p25_recorder_decode::plugin_callback_handler(int16_t *samples, int sampleCount) {
plugman_audio_callback(d_call, d_recorder, samples, sampleCount);
if (d_call) {
plugman_audio_callback(d_call, d_recorder, samples, sampleCount);
}
}

double p25_recorder_decode::get_output_sample_rate() {
Expand Down