X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fgssd%2Fsvcgssd_proc.c;h=b3a6ae8cda53d351e2a236867094564e9df89b33;hp=14b7f17c61bd0ded02a0885f8c14230bebbadc22;hb=660809fe7e597520d17deab9225f1b371c08d65c;hpb=aa2d7a1e352a6c2190452ebc3c638b66a2cf6f9b

diff --git a/utils/gssd/svcgssd_proc.c b/utils/gssd/svcgssd_proc.c
index 14b7f17..b3a6ae8 100644
--- a/utils/gssd/svcgssd_proc.c
+++ b/utils/gssd/svcgssd_proc.c
@@ -200,7 +200,8 @@ get_ids(gss_name_t client_name, gss_OID mech, struct svc_cred *cred)
 			maj_stat, min_stat, mech);
 		goto out;
 	}
-	if (!(sname = calloc(name.length + 1, 1))) {
+	if (name.length >= 0xffff || /* be certain name.length+1 doesn't overflow */
+	    !(sname = calloc(name.length + 1, 1))) {
 		printerr(0, "WARNING: get_ids: error allocating %d bytes "
 			"for sname\n", name.length + 1);
 		gss_release_buffer(&min_stat, &name);