diff options
| -rw-r--r-- | fs/smb/server/transport_ipc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c index c0bb8c7722d7..0460ebea6ff0 100644 --- a/fs/smb/server/transport_ipc.c +++ b/fs/smb/server/transport_ipc.c @@ -627,6 +627,9 @@ ksmbd_ipc_spnego_authen_request(const char *spnego_blob, int blob_len) struct ksmbd_spnego_authen_request *req; struct ksmbd_spnego_authen_response *resp; + if (blob_len > KSMBD_IPC_MAX_PAYLOAD) + return NULL; + msg = ipc_msg_alloc(sizeof(struct ksmbd_spnego_authen_request) + blob_len + 1); if (!msg) @@ -806,6 +809,9 @@ struct ksmbd_rpc_command *ksmbd_rpc_write(struct ksmbd_session *sess, int handle struct ksmbd_rpc_command *req; struct ksmbd_rpc_command *resp; + if (payload_sz > KSMBD_IPC_MAX_PAYLOAD) + return NULL; + msg = ipc_msg_alloc(sizeof(struct ksmbd_rpc_command) + payload_sz + 1); if (!msg) return NULL; @@ -854,6 +860,9 @@ struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle struct ksmbd_rpc_command *req; struct ksmbd_rpc_command *resp; + if (payload_sz > KSMBD_IPC_MAX_PAYLOAD) + return NULL; + msg = ipc_msg_alloc(sizeof(struct ksmbd_rpc_command) + payload_sz + 1); if (!msg) return NULL; |