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lang: ast: fix nullptr deref in expr_finalise_arith when calculating ast node bounds

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max 🍓
2025-05-12 15:53:06 +01:00
parent 7580b714f0
commit d746ea5234
1 changed files with 17 additions and 7 deletions
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24
lang/ast/expr/arith.c
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@@ -379,18 +379,28 @@ enum ivy_status expr_finalise_arith(
op = op_node->n_op; op = op_node->n_op;
tmp = b_queue_pop_back(&q); tmp = b_queue_pop_back(&q);
op_node->n_right = b_unbox(struct ivy_ast_node, tmp, n_entry); op_node->n_right = b_unbox(struct ivy_ast_node, tmp, n_entry);
op_node->n_right->n_parent = (struct ivy_ast_node *)op_node;
ivy_ast_node_extend_bounds_recursive( if (op_node->n_right) {
(struct ivy_ast_node *)op_node, (struct ivy_ast_node *)tmp); op_node->n_right->n_parent = (struct ivy_ast_node *)op_node;
ivy_ast_node_extend_bounds_recursive(
(struct ivy_ast_node *)op_node,
(struct ivy_ast_node *)tmp);
}
if (op->op_arity == IVY_OP_BINARY) { if (op->op_arity == IVY_OP_BINARY) {
tmp = b_queue_pop_back(&q); tmp = b_queue_pop_back(&q);
op_node->n_left op_node->n_left
= b_unbox(struct ivy_ast_node, tmp, n_entry); = b_unbox(struct ivy_ast_node, tmp, n_entry);
op_node->n_left->n_parent = (struct ivy_ast_node *)op_node;
ivy_ast_node_extend_bounds_recursive( if (op_node->n_left) {
(struct ivy_ast_node *)op_node, op_node->n_left->n_parent
(struct ivy_ast_node *)tmp); = (struct ivy_ast_node *)op_node;
ivy_ast_node_extend_bounds_recursive(
(struct ivy_ast_node *)op_node,
(struct ivy_ast_node *)tmp);
}
} }
/* ...and push the newly-completed operator node to the operand /* ...and push the newly-completed operator node to the operand