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Fix: writeback: out-of-bound reads
[lttng-modules.git]
/
lttng-context-perf-counters.c
diff --git
a/lttng-context-perf-counters.c
b/lttng-context-perf-counters.c
index 6b04d12342f061c0a0b9187ec536524d98095a14..e12c73bbdc678c9e049ff4a989a56c5275b224c4 100644
(file)
--- a/
lttng-context-perf-counters.c
+++ b/
lttng-context-perf-counters.c
@@
-59,7
+59,7
@@
void perf_counter_record(struct lttng_ctx_field *field,
chan->ops->event_write(ctx, &value, sizeof(value));
}
chan->ops->event_write(ctx, &value, sizeof(value));
}
-#if defined(CONFIG_PERF_EVENTS) && (L
INUX_VERSION_CODE >= KERNEL_VERSION(3,0,99
))
+#if defined(CONFIG_PERF_EVENTS) && (L
TTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,1,0
))
static
void overflow_callback(struct perf_event *event,
struct perf_sample_data *data,
static
void overflow_callback(struct perf_event *event,
struct perf_sample_data *data,
@@
-80,7
+80,7
@@
void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field)
{
struct perf_event **events = field->u.perf_counter->e;
{
struct perf_event **events = field->u.perf_counter->e;
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0))
{
int ret;
{
int ret;
@@
-91,7
+91,7
@@
void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field)
&field->u.perf_counter->cpuhp_prepare.node);
WARN_ON(ret);
}
&field->u.perf_counter->cpuhp_prepare.node);
WARN_ON(ret);
}
-#else /* #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#else /* #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
{
int cpu;
{
int cpu;
@@
-103,14
+103,14
@@
void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field)
unregister_cpu_notifier(&field->u.perf_counter->nb);
#endif
}
unregister_cpu_notifier(&field->u.perf_counter->nb);
#endif
}
-#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)) */
kfree(field->event_field.name);
kfree(field->u.perf_counter->attr);
lttng_kvfree(events);
kfree(field->u.perf_counter);
}
kfree(field->event_field.name);
kfree(field->u.perf_counter->attr);
lttng_kvfree(events);
kfree(field->u.perf_counter);
}
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0))
int lttng_cpuhp_perf_counter_online(unsigned int cpu,
struct lttng_cpuhp_node *node)
int lttng_cpuhp_perf_counter_online(unsigned int cpu,
struct lttng_cpuhp_node *node)
@@
-151,7
+151,7
@@
int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
return 0;
}
return 0;
}
-#else /* #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#else /* #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
#ifdef CONFIG_HOTPLUG_CPU
#ifdef CONFIG_HOTPLUG_CPU
@@
-210,7
+210,7
@@
int lttng_perf_counter_cpu_hp_callback(struct notifier_block *nb,
#endif
#endif
-#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)) */
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
@@
-264,7
+264,7
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
goto find_error;
}
goto find_error;
}
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0))
perf_field->cpuhp_prepare.component = LTTNG_CONTEXT_PERF_COUNTERS;
ret = cpuhp_state_add_instance(lttng_hp_prepare,
perf_field->cpuhp_prepare.component = LTTNG_CONTEXT_PERF_COUNTERS;
ret = cpuhp_state_add_instance(lttng_hp_prepare,
@@
-278,7
+278,7
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
if (ret)
goto cpuhp_online_error;
if (ret)
goto cpuhp_online_error;
-#else /* #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#else /* #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
{
int cpu;
{
int cpu;
@@
-304,7
+304,7
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
put_online_cpus();
perf_field->hp_enable = 1;
}
put_online_cpus();
perf_field->hp_enable = 1;
}
-#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)) */
field->destroy = lttng_destroy_perf_counter_field;
field->destroy = lttng_destroy_perf_counter_field;
@@
-324,7
+324,7
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
wrapper_vmalloc_sync_mappings();
return 0;
wrapper_vmalloc_sync_mappings();
return 0;
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0))
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0))
cpuhp_online_error:
{
int remove_ret;
cpuhp_online_error:
{
int remove_ret;
@@
-334,7
+334,7
@@
cpuhp_online_error:
WARN_ON(remove_ret);
}
cpuhp_prepare_error:
WARN_ON(remove_ret);
}
cpuhp_prepare_error:
-#else /* #if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(4,10,0)) */
+#else /* #if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(4,10,0)) */
counter_busy:
counter_error:
{
counter_busy:
counter_error:
{
@@
-349,7
+349,7
@@
counter_error:
unregister_cpu_notifier(&perf_field->nb);
#endif
}
unregister_cpu_notifier(&perf_field->nb);
#endif
}
-#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)) */
find_error:
lttng_remove_context_field(ctx, field);
append_context_error:
find_error:
lttng_remove_context_field(ctx, field);
append_context_error:
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