Fix possible NULL pointer dereferencing on variable label.

3b6503ff · Diego dos Santos Fronza · c8082556 · 3b6503ff
Commit 3b6503ff authored Jul 23, 2019 by Diego dos Santos Fronza
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bin/dnssec/dnssec-keyfromlabel.c bin/dnssec/dnssec-keyfromlabel.c +2 -0

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--- a/bin/dnssec/dnssec-keyfromlabel.c
+++ b/bin/dnssec/dnssec-keyfromlabel.c
@@ -218,6 +218,8 @@ main(int argc, char **argv) {
 			break;
 		case 'l':
 			label = isc_mem_strdup(mctx, isc_commandline_argument);
+            if (label == NULL)
+                fatal("Failed to allocate memory for label");
 			break;
 		case 'n':
 			nametype = isc_commandline_argument;