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harden a few API methods against longjumps in set_error. Memory leak exposed in #1297

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-11 09:53:02 -07:00
parent 09ea370ea3
commit c093e6d4b9
4 changed files with 26 additions and 22 deletions
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3
src/api/api_solver.cpp
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@ -442,6 +442,7 @@ extern "C" {
unsigned sz = __assumptions.size();
for (unsigned i = 0; i < sz; ++i) {
if (!is_expr(__assumptions[i])) {
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
SET_ERROR_CODE(Z3_INVALID_USAGE);
return Z3_L_UNDEF;
}
@ -451,6 +452,7 @@ extern "C" {
sz = __variables.size();
for (unsigned i = 0; i < sz; ++i) {
if (!is_expr(__variables[i])) {
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
SET_ERROR_CODE(Z3_INVALID_USAGE);
return Z3_L_UNDEF;
}
@ -471,6 +473,7 @@ extern "C" {
}
catch (z3_exception & ex) {
to_solver_ref(s)->set_reason_unknown(eh);
_assumptions.finalize(); _consequences.finalize(); _variables.finalize();
mk_c(c)->handle_exception(ex);
return Z3_L_UNDEF;
}