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Fix: unchecked buffer size for communication header
[lttng-tools.git]
/
src
/
common
/
event-rule
/
event-rule.c
diff --git
a/src/common/event-rule/event-rule.c
b/src/common/event-rule/event-rule.c
index cdf3e0dedbea19b357fcb68a8342a26cf27c44ef..b6a0e96e7388cef1bdc4ef40f0a2e05e5545c40e 100644
(file)
--- a/
src/common/event-rule/event-rule.c
+++ b/
src/common/event-rule/event-rule.c
@@
-145,16
+145,24
@@
ssize_t lttng_event_rule_create_from_payload(
struct lttng_event_rule **event_rule)
{
ssize_t ret, consumed = 0;
struct lttng_event_rule **event_rule)
{
ssize_t ret, consumed = 0;
- const struct lttng_event_rule_comm *event_rule_comm;
event_rule_create_from_payload_cb create_from_payload = NULL;
event_rule_create_from_payload_cb create_from_payload = NULL;
+ const struct lttng_event_rule_comm *event_rule_comm;
+ const struct lttng_payload_view event_rule_comm_view =
+ lttng_payload_view_from_view(
+ view, 0, sizeof(*event_rule_comm));
if (!view || !event_rule) {
ret = -1;
goto end;
}
if (!view || !event_rule) {
ret = -1;
goto end;
}
+ if (!lttng_payload_view_is_valid(&event_rule_comm_view)) {
+ ret = -1;
+ goto end;
+ }
+
DBG("Deserializing event_rule from payload.");
DBG("Deserializing event_rule from payload.");
- event_rule_comm = (const struct lttng_event_rule_comm *)
view->
buffer.data;
+ event_rule_comm = (const struct lttng_event_rule_comm *)
event_rule_comm_view.
buffer.data;
consumed += sizeof(*event_rule_comm);
switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
consumed += sizeof(*event_rule_comm);
switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
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