Author: ngie
Date: Sat Apr 30 09:32:19 2016
New Revision: 298842
URL: https://svnweb.freebsd.org/changeset/base/298842
Log:
Don't leak PML4 in _amd64_initvtop(..) if kvm_read2(..) fails
MFC after: 1 week
Reported by: Coverity
CID: 1341474
Sponsored by: EMC / Isilon Storage Division
Modified:
head/lib/libkvm/kvm_amd64.c
Modified: head/lib/libkvm/kvm_amd64.c
==============================================================================
--- head/lib/libkvm/kvm_amd64.c Sat Apr 30 09:31:01 2016 (r298841)
+++ head/lib/libkvm/kvm_amd64.c Sat Apr 30 09:32:19 2016 (r298842)
@@ -159,6 +159,7 @@ _amd64_initvtop(kvm_t *kd)
}
if (kvm_read2(kd, pa, PML4, AMD64_PAGE_SIZE) != AMD64_PAGE_SIZE) {
_kvm_err(kd, kd->program, "cannot read KPML4phys");
+ free(PML4);
return (-1);
}
kd->vmst->PML4 = PML4;
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