When exiting with an error because a class or common has too many
permissions, destroy the permission nodes.
This bug was found by the secilc-fuzzer.
Signed-off-by: James Carter <jwcart2@xxxxxxxxx>
---
libsepol/cil/src/cil_build_ast.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libsepol/cil/src/cil_build_ast.c b/libsepol/cil/src/cil_build_ast.c
index 87043a8f..71f14e20 100644
--- a/libsepol/cil/src/cil_build_ast.c
+++ b/libsepol/cil/src/cil_build_ast.c
@@ -444,6 +444,7 @@ int cil_gen_class(struct cil_db *db, struct cil_tree_node *parse_current, struct
}
if (class->num_perms > CIL_PERMS_PER_CLASS) {
cil_tree_log(parse_current, CIL_ERR, "Too many permissions in class '%s'", class->datum.name);
+ cil_tree_children_destroy(ast_node);
rc = SEPOL_ERR;
goto exit;
}
@@ -1019,6 +1020,7 @@ int cil_gen_common(struct cil_db *db, struct cil_tree_node *parse_current, struc
}
if (common->num_perms > CIL_PERMS_PER_CLASS) {
cil_tree_log(parse_current, CIL_ERR, "Too many permissions in common '%s'", common->datum.name);
+ cil_tree_children_destroy(ast_node);
rc = SEPOL_ERR;
goto exit;
}
--
2.26.3
