ACK
On 14/01/15 17:04, Jan Friesse wrote:
Corosync limit to send/receive message is 1 megabyte. Patch ensures this limit is never overrun. Signed-off-by: Jan Friesse <[email protected]> --- exec/main.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/exec/main.c b/exec/main.c index cd972b5..3068ac9 100644 --- a/exec/main.c +++ b/exec/main.c @@ -714,10 +714,25 @@ int main_mcast ( const struct qb_ipc_request_header *req = iovec->iov_base; int32_t service; int32_t fn_id; + size_t msg_len; + unsigned int i; service = req->id >> 16; fn_id = req->id & 0xffff; + msg_len = 0; + + for (msg_len = 0, i = 0; i < iov_len; msg_len += iovec[i].iov_len, i++) + ; + + if (msg_len > MESSAGE_SIZE_MAX) { + log_printf(LOGSYS_LEVEL_ERROR, + "IPC client is trying to send message larger (%zu bytes) then allowed maximum %u bytes", + msg_len, MESSAGE_SIZE_MAX); + + return (-1); + } + if (corosync_service[service]) { icmap_fast_inc(service_stats_tx[service][fn_id]); }
_______________________________________________ discuss mailing list [email protected] http://lists.corosync.org/mailman/listinfo/discuss
