executor/common_lunux.h/usbip_server_init: Close fd if can't 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 for the process. Signed-off-by: Pavel Nikulshin <[email protected]>
google · Jun 26, 2024 · 87392e5 · 87392e5
1 parent 6271cc7
commit 87392e5
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;
 }