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vorbis_synthesis_init
2004 Dec 19
1
Crash when reading OGG/Vorbis file
...cause the passed in vorbis_info
*vi points to a structure containing all 0s (and thus crashes on the
line
b->modebits = ilog2(ci->modes);
as ci is NULL.
Following the stack, I see that _vds_shared_init is called by
vorbis_synthesis_init which is called by _make_decode_ready by the line
vorbis_syntesis_init(&vf->vd, vf->vi + vf->current_link);
At this point in the vf structure, links = 7. Looking at the vb->vi
array I see that elements 0 and 5 are initialized structures, but 1, 2,
3, 4, and 6 are all 0.
My company provides a tool that reads and writes OGG/Vorbis files and
the fil...