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Fix heap overflow when invalid encoder is used anyway

This commit is contained in:
Martijn van Beurden 2022-05-19 12:10:02 +02:00
parent 74b093f6e1
commit 5f4fa0ad73
1 changed files with 6 additions and 2 deletions
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8
src/libFLAC/stream_encoder.c
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@ -2195,7 +2195,9 @@ FLAC_API FLAC__bool FLAC__stream_encoder_process(FLAC__StreamEncoder *encoder, c
FLAC__ASSERT(0 != encoder);
FLAC__ASSERT(0 != encoder->private_);
FLAC__ASSERT(0 != encoder->protected_);
FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK)
return false;
do {
const uint32_t n = flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j);
@ -2260,7 +2262,9 @@ FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder
FLAC__ASSERT(0 != encoder);
FLAC__ASSERT(0 != encoder->private_);
FLAC__ASSERT(0 != encoder->protected_);
FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK)
return false;
j = k = 0;
/*