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Address #4042: Prevent out-of-range access in column matrix (#4231)

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Philip Hyunsu Cho 2019-03-08 17:11:42 -08:00 committed by GitHub
parent 331cd3e4f7
commit f83e62dca5
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1 changed files with 2 additions and 1 deletions
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src/common/column_matrix.h
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@ -163,7 +163,8 @@ class ColumnMatrix {
to determine type of bin id's */
inline Column GetColumn(unsigned fid) const {
Column c(type_[fid], &index_[boundary_[fid].index_begin], index_base_[fid],
&row_ind_[boundary_[fid].row_ind_begin],
(type_[fid] == ColumnType::kSparseColumn ?
&row_ind_[boundary_[fid].row_ind_begin] : nullptr),
boundary_[fid].index_end - boundary_[fid].index_begin);
return c;
}