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Fix: illegal memory access in cmd_snapshot_record
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
cmd.c
diff --git
a/src/bin/lttng-sessiond/cmd.c
b/src/bin/lttng-sessiond/cmd.c
index 48e36ccd610ee51ff4e89d7237780002df99851c..9cd1920738cec1809b7999bf455211cd1bda5e16 100644
(file)
--- a/
src/bin/lttng-sessiond/cmd.c
+++ b/
src/bin/lttng-sessiond/cmd.c
@@
-3040,10
+3040,18
@@
ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
assert(output->consumer);
list[idx].id = output->id;
list[idx].max_size = output->max_size;
assert(output->consumer);
list[idx].id = output->id;
list[idx].max_size = output->max_size;
- strncpy(list[idx].name, output->name, sizeof(list[idx].name));
+ if (lttng_strncpy(list[idx].name, output->name,
+ sizeof(list[idx].name))) {
+ ret = -LTTNG_ERR_INVALID;
+ goto error;
+ }
if (output->consumer->type == CONSUMER_DST_LOCAL) {
if (output->consumer->type == CONSUMER_DST_LOCAL) {
- strncpy(list[idx].ctrl_url, output->consumer->dst.trace_path,
- sizeof(list[idx].ctrl_url));
+ if (lttng_strncpy(list[idx].ctrl_url,
+ output->consumer->dst.trace_path,
+ sizeof(list[idx].ctrl_url))) {
+ ret = -LTTNG_ERR_INVALID;
+ goto error;
+ }
} else {
/* Control URI. */
ret = uri_to_str_url(&output->consumer->dst.net.control,
} else {
/* Control URI. */
ret = uri_to_str_url(&output->consumer->dst.net.control,
@@
-3429,8
+3437,12
@@
int cmd_snapshot_record(struct ltt_session *session,
/* Use temporary name. */
if (*output->name != '\0') {
/* Use temporary name. */
if (*output->name != '\0') {
- strncpy(tmp_output.name, output->name,
- sizeof(tmp_output.name));
+ if (lttng_strncpy(tmp_output.name, output->name,
+ sizeof(tmp_output.name))) {
+ ret = LTTNG_ERR_INVALID;
+ rcu_read_unlock();
+ goto error;
+ }
}
tmp_output.nb_snapshot = session->snapshot.nb_snapshot;
}
tmp_output.nb_snapshot = session->snapshot.nb_snapshot;
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