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Fix: illegal memory access in list_lttng_channels
[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 9cd1920738cec1809b7999bf455211cd1bda5e16..ff61166d735190754a6315130270b9428c42bf9d 100644
(file)
--- a/
src/bin/lttng-sessiond/cmd.c
+++ b/
src/bin/lttng-sessiond/cmd.c
@@
-170,7
+170,10
@@
static void list_lttng_channels(int domain, struct ltt_session *session,
rcu_read_lock();
cds_lfht_for_each_entry(session->ust_session->domain_global.channels->ht,
&iter.iter, uchan, node.node) {
rcu_read_lock();
cds_lfht_for_each_entry(session->ust_session->domain_global.channels->ht,
&iter.iter, uchan, node.node) {
- strncpy(channels[i].name, uchan->name, LTTNG_SYMBOL_NAME_LEN);
+ if (lttng_strncpy(channels[i].name, uchan->name,
+ LTTNG_SYMBOL_NAME_LEN)) {
+ break;
+ }
channels[i].attr.overwrite = uchan->attr.overwrite;
channels[i].attr.subbuf_size = uchan->attr.subbuf_size;
channels[i].attr.num_subbuf = uchan->attr.num_subbuf;
channels[i].attr.overwrite = uchan->attr.overwrite;
channels[i].attr.subbuf_size = uchan->attr.subbuf_size;
channels[i].attr.num_subbuf = uchan->attr.num_subbuf;
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