Commit 2a8fe003 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

dcb: use after free in dcb_flushapp()



The original code has a use after free bug because it's not using the
_safe() version of the list_for_each_entry() macro.
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 70bfa2d2
......@@ -1643,9 +1643,10 @@ EXPORT_SYMBOL(dcb_setapp);
static void dcb_flushapp(void)
{
struct dcb_app_type *app;
struct dcb_app_type *tmp;
spin_lock(&dcb_lock);
list_for_each_entry(app, &dcb_app_list, list) {
list_for_each_entry_safe(app, tmp, &dcb_app_list, list) {
list_del(&app->list);
kfree(app);
}
......
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