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qemu: fix release of virDomainObjPtr in SSH key APIs

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The qemuDomainObjFromDomain() API must be paired with
the virDomainObjEndAPI API. The qemuDomainAuthorizedSSHKeysGet
method simply did 'return -1' leaking a reference and lock
in two paths.

The qemuDomainAuthorizedSSHKeysSet method marked the object
as an autoptr while also have some code paths that will call
virDomainObjEndAPI. As a result the object will be released
but not unlocked in error paths.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-01-22 14:51:17 +00:00
parent 69977ff105
commit bed26ed508
1 changed files with 7 additions and 5 deletions
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12
src/qemu/qemu_driver.c
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@ -20256,10 +20256,10 @@ qemuDomainAuthorizedSSHKeysGet(virDomainPtr dom,
return -1;
if (virDomainAuthorizedSshKeysGetEnsureACL(dom->conn, vm->def) < 0)
return -1;
goto cleanup;
if (qemuDomainObjBeginAgentJob(driver, vm, QEMU_AGENT_JOB_QUERY) < 0)
return -1;
goto cleanup;
if (!qemuDomainAgentAvailable(vm, true))
goto endagentjob;
@ -20270,6 +20270,7 @@ qemuDomainAuthorizedSSHKeysGet(virDomainPtr dom,
endagentjob:
qemuDomainObjEndAgentJob(vm);
cleanup:
virDomainObjEndAPI(&vm);
return rv;
}
@ -20283,7 +20284,7 @@ qemuDomainAuthorizedSSHKeysSet(virDomainPtr dom,
unsigned int flags)
{
virQEMUDriverPtr driver = dom->conn->privateData;
g_autoptr(virDomainObj) vm = NULL;
virDomainObjPtr vm = NULL;
qemuAgentPtr agent;
const bool append = flags & VIR_DOMAIN_AUTHORIZED_SSH_KEYS_SET_APPEND;
const bool remove = flags & VIR_DOMAIN_AUTHORIZED_SSH_KEYS_SET_REMOVE;
@ -20296,10 +20297,10 @@ qemuDomainAuthorizedSSHKeysSet(virDomainPtr dom,
return -1;
if (virDomainAuthorizedSshKeysSetEnsureACL(dom->conn, vm->def) < 0)
return -1;
goto cleanup;
if (qemuDomainObjBeginAgentJob(driver, vm, QEMU_AGENT_JOB_QUERY) < 0)
return -1;
goto cleanup;
if (!qemuDomainAgentAvailable(vm, true))
goto endagentjob;
@ -20313,6 +20314,7 @@ qemuDomainAuthorizedSSHKeysSet(virDomainPtr dom,
endagentjob:
qemuDomainObjEndAgentJob(vm);
cleanup:
virDomainObjEndAPI(&vm);
return rv;
}