[libvirt] [PATCH] qemuxml2argvtest: Don't leak TPM unix path
Michal Privoznik
mprivozn at redhat.com
Thu Jun 14 09:09:59 UTC 2018
On 06/14/2018 10:39 AM, Andrea Bolognani wrote:
> On Wed, 2018-06-13 at 15:58 +0200, Michal Privoznik wrote:
>> When testing a domain XML with TPM we overwrite UNIX socket path
>> to mimic what qemuTPMEmulatorPrepareHost() is doing (because
>> *PrepareHost() functions are not called from the test). But we
>> are not doing it fully - we need to set the chardev's type too so
>> that virDomainTPMDefFree() can free the path.
>>
>> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
>> ---
>> tests/qemuxml2argvtest.c | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
>> index f630185de1..daa8d4ceeb 100644
>> --- a/tests/qemuxml2argvtest.c
>> +++ b/tests/qemuxml2argvtest.c
>> @@ -551,9 +551,11 @@ testCompareXMLToArgv(const void *data)
>> if (vm->def->tpm) {
>> switch (vm->def->tpm->type) {
>> case VIR_DOMAIN_TPM_TYPE_EMULATOR:
>> + VIR_FREE(vm->def->tpm->data.emulator.source.data.file.path);
>> if (VIR_STRDUP(vm->def->tpm->data.emulator.source.data.file.path,
>> "/dev/test") < 0)
>> goto cleanup;
>> + vm->def->tpm->data.emulator.source.type = VIR_DOMAIN_CHR_TYPE_UNIX;
>
> Looking at virDomainChrSourceDefClear(), called by
> virDomainTPMDefFree(), when type is CHR_TYPE_UNIX data.nix.path
> will be VIR_FREE()d, so I think you want to set type to
> CHR_TYPE_FILE instead.
>
Ah, good point. Do you trust me enough that I can fix this before
pushing or do you want to see v2? ;-)
Michal
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