Pi-Hole/dnsmasq
1
0
Fork 0
mirror of https://github.com/pi-hole/dnsmasq.git synced 2025-12-19 10:18:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix use-after-free

Browse Source
This commit is contained in:
Simon Kelley
2013-02-05 14:56:02 +00:00
parent 4ead40cf67
commit 25c4198f7c
1 changed files with 12 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/dbus.c
View File

@@ -91,16 +91,19 @@ static dbus_bool_t add_watch(DBusWatch *watch, void *data)
static void remove_watch(DBusWatch *watch, void *data) static void remove_watch(DBusWatch *watch, void *data)
{ {
struct watch **up, *w; struct watch **up, *w, *tmp;
for (up = &(daemon->watches), w = daemon->watches; w; w = w->next) for (up = &(daemon->watches), w = daemon->watches; w; w = tmp)
if (w->watch == watch) {
{ tmp = w->next;
*up = w->next; if (w->watch == watch)
free(w); {
} *up = tmp;
else free(w);
up = &(w->next); }
else
up = &(w->next);
}
w = data; /* no warning */ w = data; /* no warning */
} }