executor: close fd if cant find usb port

If usb port for usbip server can't be found, fd of the server and client should be closed. If they don't closed, the number of open files will increase and may overflow the number of available open files. Signed-off-by: Pavel Nikulshin <[email protected]>
google · Jul 15, 2024 · 5dcaf4d · 5dcaf4d
1 parent 6271cc7
commit 5dcaf4d
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/executor/common_linux.h b/executor/common_linux.h
@@ -2051,6 +2051,9 @@ static long syz_usbip_server_init(volatile long a0)
 	int available_port_num = __atomic_fetch_add(&port_alloc[usb3], 1, __ATOMIC_RELAXED);
 	if (available_port_num > VHCI_HC_PORTS) {
 		debug("syz_usbip_server_init : no more available port for : %d\n", available_port_num);
+
+		close(client_fd);
+		close(server_fd);
 		return -1;
 	}
 
@@ -2067,6 +2070,8 @@ static long syz_usbip_server_init(volatile long a0)
 	sprintf(buffer, "%d %d %s %d", port_num, client_fd, "0", speed);
 
 	write_file("/sys/devices/platform/vhci_hcd.0/attach", buffer);
+
+	close(client_fd);
 	return server_fd;
 }