Merge remote-tracking branch 'remotes/kraxel/tags/vga-20191220-pull-request' into...

[qemu.git] / qemu-nbd.c

diff --git a/qemu-nbd.c b/qemu-nbd.c
index caacf0ed7379749fbde1d7327040327203b78885..108a51f7eb0127d5b485107dd4be13de5c8b2d47 100644 (file)
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -833,9 +833,18 @@ int main(int argc, char **argv)
             break;
         case 'x':
             export_name = optarg;
+            if (strlen(export_name) > NBD_MAX_STRING_SIZE) {
+                error_report("export name '%s' too long", export_name);
+                exit(EXIT_FAILURE);
+            }
             break;
         case 'D':
             export_description = optarg;
+            if (strlen(export_description) > NBD_MAX_STRING_SIZE) {
+                error_report("export description '%s' too long",
+                             export_description);
+                exit(EXIT_FAILURE);
+            }
             break;
         case 'v':
             verbose = 1;