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Adding overflow checks

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-09-02 19:43:22 -07:00
parent fcc351eba6
commit 878905c13c
4 changed files with 30 additions and 6 deletions
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src/muz/rel/dl_sparse_table.h
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@ -275,6 +275,9 @@ namespace datalog {
//the following two operations allow breaking of the object invariant!
void resize_data(unsigned sz) {
m_data_size = sz;
if (sz + sizeof(uint64) < sz) {
throw default_exception("overflow resizing data section for sparse table");
}
m_data.resize(sz + sizeof(uint64));
}