From 884705e90a6c80314d3826c1016206d56614d817 Mon Sep 17 00:00:00 2001
From: ngie <ngie@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Fri, 13 May 2016 09:49:52 +0000
Subject: [PATCH] MFC r298842:

Don't leak PML4 in _amd64_initvtop(..) if kvm_read2(..) fails

CID: 1341474


git-svn-id: svn://svn.freebsd.org/base/stable/10@299649 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 lib/libkvm/kvm_amd64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/libkvm/kvm_amd64.c b/lib/libkvm/kvm_amd64.c
index 65d697c96..b64ea77e2 100644
--- a/lib/libkvm/kvm_amd64.c
+++ b/lib/libkvm/kvm_amd64.c
@@ -200,6 +200,7 @@ _kvm_initvtop(kvm_t *kd)
 	PML4 = _kvm_malloc(kd, PAGE_SIZE);
 	if (kvm_read(kd, pa, PML4, PAGE_SIZE) != PAGE_SIZE) {
 		_kvm_err(kd, kd->program, "cannot read KPML4phys");
+		free(PML4);
 		return (-1);
 	}
 	kd->vmst->PML4 = PML4;
-- 
2.45.0