[PATCH 3/3] KVM: s390: memory leak in guest debug handling
Christian Borntraeger <[email protected]>
| Newsgroups | org.kernel.vger.linux-s390,org.kernel.vger.kvm |
|---|---|
| Message-ID | <[email protected]> |
bp_data is freed only for the error case by kfree(bp_data).
Every successful KVM_SET_GUEST_DEBUG will leak bp_data.
Fixes: 27291e2165b6 ("KVM: s390: hardware support for guest debugging")
Signed-off-by: Christian Borntraeger <[email protected]>
---
arch/s390/kvm/guestdbg.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/s390/kvm/guestdbg.c b/arch/s390/kvm/guestdbg.c
index 69835e1d4f20..4c02dbebb2eb 100644
--- a/arch/s390/kvm/guestdbg.c
+++ b/arch/s390/kvm/guestdbg.c
@@ -267,6 +267,7 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu,
vcpu->arch.guestdbg.hw_bp_info = bp_info;
vcpu->arch.guestdbg.nr_hw_wp = nr_wp;
vcpu->arch.guestdbg.hw_wp_info = wp_info;
+ kfree(bp_data);
return 0;
error:
kfree(bp_data);
--
2.53.0