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544cc7957b
Installing a cil module with invalid mlsconstrain syntax currently results in a segfault. In the following module, the right-hand side of the second operand of the OR is a list (mlstrustedobject): $ cat test.cil (class test (foo) ) (classorder (unordered test)) (mlsconstrain (test (foo)) (or (dom h1 h2) (eq t2 (mlstrustedobject)) ) ) $ sudo semodule -i test.cil zsh: segmentation fault sudo semodule -i test.cil This syntax is invalid and should error accordingly, rather than segfaulting. This patch provides this syntax error for the same module: $ sudo semodule -i test.cil t1, t2, r1, r2, u1, u2 cannot be used on the left side with a list on the right side Bad expression tree for constraint Bad constrain declaration at /var/lib/selinux/mls/tmp/modules/400/test/cil:4 semodule: Failed! Signed-off-by: Mike Palmiotto <mike.palmiotto@crunchydata.com> |
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