https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269509
Bug ID: 269509
Summary: Memory leak in ofwbus
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
The ofwbus_attach function (in sys/dev/ofw/ofwbus.c) performs iteration over
nodes.
for (node = OF_child(node); node > 0; node = OF_peer(node)) {
if (ofw_bus_gen_setup_devinfo(&obd, node) != 0)
continue;
simplebus_add_device(dev, node, 0, NULL, -1, NULL);
}
ofw_bus_gen_setup_devinfo allocates memory to temporary buffer, however this
memory is never freed, so the change should probably look as follows:
for (node = OF_child(node); node > 0; node = OF_peer(node)) {
if (ofw_bus_gen_setup_devinfo(&obd, node) != 0)
continue;
simplebus_add_device(dev, node, 0, NULL, -1, NULL);
+ ofw_bus_gen_destroy_devinfo(&obd);
}
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