[lttng-dev] [PATCH lttng-tools] Fix: NULL pointer dereference in relay_index_get_by_id_or_create

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Tue May 17 14:44:25 UTC 2016


Found by Coverity:

CID 1323134 (#1 of 1): Dereference after null check (FORWARD_NULL)34.
var_deref_op: Dereferencing null pointer index.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
---
 src/bin/lttng-relayd/index.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bin/lttng-relayd/index.c b/src/bin/lttng-relayd/index.c
index 9c30779..80a4bb9 100644
--- a/src/bin/lttng-relayd/index.c
+++ b/src/bin/lttng-relayd/index.c
@@ -162,7 +162,7 @@ struct relay_index *relay_index_get_by_id_or_create(struct relay_stream *stream,
 end:
 	rcu_read_unlock();
 	DBG2("Index %sfound or created in HT for stream ID %" PRIu64 " and seqnum %" PRIu64,
-			(index == NULL) ? "NOT " : "", index->stream->stream_handle, net_seq_num);
+			(index == NULL) ? "NOT " : "", stream->stream_handle, net_seq_num);
 	return index;
 }
 
-- 
2.1.4



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