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Fix: bytecode linker: validate event and field array/sequence encoding
[lttng-modules.git]
/
lttng-events.c
diff --git
a/lttng-events.c
b/lttng-events.c
index 4c0b04a09597bef396dba066fd4d64a0733cf206..3450fa40dbcdb2966f9dac8855d3d4cb0cd1a5ed 100644
(file)
--- a/
lttng-events.c
+++ b/
lttng-events.c
@@
-77,21
+77,21
@@
int _lttng_field_statedump(struct lttng_session *session,
void synchronize_trace(void)
{
void synchronize_trace(void)
{
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(5,1,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(5,1,0))
synchronize_rcu();
#else
synchronize_sched();
#endif
synchronize_rcu();
#else
synchronize_sched();
#endif
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(3,4,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(3,4,0))
#ifdef CONFIG_PREEMPT_RT_FULL
synchronize_rcu();
#endif
#ifdef CONFIG_PREEMPT_RT_FULL
synchronize_rcu();
#endif
-#else /* (L
INUX_VERSION_CODE >=
KERNEL_VERSION(3,4,0)) */
+#else /* (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(3,4,0)) */
#ifdef CONFIG_PREEMPT_RT
synchronize_rcu();
#endif
#ifdef CONFIG_PREEMPT_RT
synchronize_rcu();
#endif
-#endif /* (L
INUX_VERSION_CODE >=
KERNEL_VERSION(3,4,0)) */
+#endif /* (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(3,4,0)) */
}
void lttng_lock_sessions(void)
}
void lttng_lock_sessions(void)
@@
-704,6
+704,8
@@
struct lttng_event *_lttng_event_create(struct lttng_channel *chan,
event_return->enabled = 0;
event_return->registered = 1;
event_return->instrumentation = itype;
event_return->enabled = 0;
event_return->registered = 1;
event_return->instrumentation = itype;
+ INIT_LIST_HEAD(&event_return->bytecode_runtime_head);
+ INIT_LIST_HEAD(&event_return->enablers_ref_head);
/*
* Populate lttng_event structure before kretprobe registration.
*/
/*
* Populate lttng_event structure before kretprobe registration.
*/
@@
-919,6
+921,8
@@
int _lttng_event_unregister(struct lttng_event *event)
static
void _lttng_event_destroy(struct lttng_event *event)
{
static
void _lttng_event_destroy(struct lttng_event *event)
{
+ struct lttng_enabler_ref *enabler_ref, *tmp_enabler_ref;
+
switch (event->instrumentation) {
case LTTNG_KERNEL_TRACEPOINT:
lttng_event_put(event->desc);
switch (event->instrumentation) {
case LTTNG_KERNEL_TRACEPOINT:
lttng_event_put(event->desc);
@@
-944,6
+948,11
@@
void _lttng_event_destroy(struct lttng_event *event)
}
list_del(&event->list);
lttng_destroy_context(event->ctx);
}
list_del(&event->list);
lttng_destroy_context(event->ctx);
+ lttng_free_event_filter_runtime(event);
+ /* Free event enabler refs */
+ list_for_each_entry_safe(enabler_ref, tmp_enabler_ref,
+ &event->enablers_ref_head, node)
+ kfree(enabler_ref);
kmem_cache_free(event_cache, event);
}
kmem_cache_free(event_cache, event);
}
@@
-2908,7
+2917,7
@@
void lttng_transport_unregister(struct lttng_transport *transport)
}
EXPORT_SYMBOL_GPL(lttng_transport_unregister);
}
EXPORT_SYMBOL_GPL(lttng_transport_unregister);
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0))
enum cpuhp_state lttng_hp_prepare;
enum cpuhp_state lttng_hp_online;
enum cpuhp_state lttng_hp_prepare;
enum cpuhp_state lttng_hp_online;
@@
-3024,7
+3033,7
@@
static void __exit lttng_exit_cpu_hotplug(void)
cpuhp_remove_multi_state(lttng_hp_prepare);
}
cpuhp_remove_multi_state(lttng_hp_prepare);
}
-#else /* #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#else /* #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
static int lttng_init_cpu_hotplug(void)
{
return 0;
static int lttng_init_cpu_hotplug(void)
{
return 0;
@@
-3032,7
+3041,7
@@
static int lttng_init_cpu_hotplug(void)
static void lttng_exit_cpu_hotplug(void)
{
}
static void lttng_exit_cpu_hotplug(void)
{
}
-#endif /* #else #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
static int __init lttng_events_init(void)
static int __init lttng_events_init(void)
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