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author | Erik de Castro Lopo <erikd@mega-nerd.com> | 2014-12-17 19:02:26 +1100 |
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committer | Erik de Castro Lopo <erikd@mega-nerd.com> | 2014-12-22 09:05:09 +1100 |
commit | 875be0ada54aa6cd24ef57a890f6f454399f4409 (patch) | |
tree | efe67ad0849d631f82aa437b3e412aacdccf1393 /src/libFLAC/stream_decoder.c | |
parent | 775eb934f77e72e91528d857b293b4ec8c9e5be5 (diff) | |
download | flac-875be0ada54aa6cd24ef57a890f6f454399f4409.tar.gz |
src/libFLAC/stream_decoder.c : Fix NULL de-reference.
NULL de-reference can really only happen on a malformed file.
Found using afl (http://lcamtuf.coredump.cx/afl/).
Diffstat (limited to 'src/libFLAC/stream_decoder.c')
-rw-r--r-- | src/libFLAC/stream_decoder.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libFLAC/stream_decoder.c b/src/libFLAC/stream_decoder.c index d13b23b7..227a8fdd 100644 --- a/src/libFLAC/stream_decoder.c +++ b/src/libFLAC/stream_decoder.c @@ -1753,8 +1753,10 @@ FLAC__bool read_metadata_vorbiscomment_(FLAC__StreamDecoder *decoder, FLAC__Stre } else length -= 4; - if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length)) + if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length)) { + obj->num_comments = i; return false; /* read_callback_ sets the state for us */ + } if (obj->comments[i].length > 0) { if (length < obj->comments[i].length) { obj->num_comments = i; |