diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libFLAC/bitwriter.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/libFLAC/bitwriter.c b/src/libFLAC/bitwriter.c index a7f3b3d4..82c72e27 100644 --- a/src/libFLAC/bitwriter.c +++ b/src/libFLAC/bitwriter.c @@ -118,9 +118,11 @@ FLAC__bool bitwriter_grow_(FLAC__BitWriter *bw, uint32_t bits_to_add) if(bw->capacity >= new_capacity) return true; - if(new_capacity * sizeof(bwword) > FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * (FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE + FLAC__MAX_EXTRA_RESIDUAL_BPS) / 8) - /* Requested new capacity is larger than the largest sane framesize. - * That means something went very wrong somewhere. To prevent chrashing, give up */ + if(new_capacity * sizeof(bwword) > (1u << FLAC__STREAM_METADATA_LENGTH_LEN)) + /* Requested new capacity is larger than the largest possible metadata block, + * which is also larger than the largest sane framesize. That means something + * went very wrong somewhere and previous checks failed. + * To prevent chrashing, give up */ return false; /* round up capacity increase to the nearest FLAC__BITWRITER_DEFAULT_INCREMENT */ |