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libtremor: merge upstream revision 17511 'Add checks/rejection for absurdly huge codebooks.'

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28745 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2010-12-06 16:40:05 +00:00
parent 4487107d25
commit 8a239cf4f7
1 changed files with 2 additions and 0 deletions
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apps/codecs/libtremor/codebook.c
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@ -38,6 +38,8 @@ int vorbis_staticbook_unpack(oggpack_buffer *opb,static_codebook *s){
s->entries=oggpack_read(opb,24);
if(s->entries==-1)goto _eofout;
if(_ilog(s->dim)+_ilog(s->entries)>24)goto _eofout;
/* codeword ordering.... length ordered or unordered? */
switch((int)oggpack_read(opb,1)){
case 0: