ACK
On 14/01/15 17:04, Jan Friesse wrote:
Totem/cpg service/... adds headers to message, so even message which
fits limit becomes larger. To prevent this to happen, smaller limit is
checked.
Signed-off-by: Jan Friesse <jfriesse@xxxxxxxxxx>
---
lib/cpg.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/lib/cpg.c b/lib/cpg.c
index 4b92f44..1cc021b 100644
--- a/lib/cpg.c
+++ b/lib/cpg.c
@@ -979,6 +979,14 @@ cs_error_t cpg_mcast_joined (
msg_len += iovec[i].iov_len;
}
+ /*
+ * 512 is engineering aproximation of structure headers added by cpg/totem/...
+ * It's impossible to send larger messages
+ */
+ if (msg_len > IPC_REQUEST_SIZE - 512) {
+ return (CS_ERR_TOO_BIG);
+ }
+
req_lib_cpg_mcast.header.size = sizeof (struct req_lib_cpg_mcast) +
msg_len;
_______________________________________________
discuss mailing list
discuss@xxxxxxxxxxxx
http://lists.corosync.org/mailman/listinfo/discuss
